class SingleShotDetectorTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.det_visualizer = DetVisualizer(configer)
        self.det_parser = DetParser(configer)
        self.det_model_manager = DetModelManager(configer)
        self.det_data_loader = DataLoader(configer)
        self.ssd_priorbox_layer = SSDPriorBoxLayer(configer)
        self.ssd_target_generator = SSDTargetGenerator(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.det_net = None

        self._init_model()

    def _init_model(self):
        self.det_net = self.det_model_manager.object_detector()
        self.det_net = RunnerHelper.load_net(self, self.det_net)
        self.det_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        img = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))
        ori_img_bgr = ImageHelper.get_cv2_bgr(img,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))

        inputs = self.blob_helper.make_input(img,
                                             input_size=self.configer.get(
                                                 'test', 'input_size'),
                                             scale=1.0)

        with torch.no_grad():
            feat_list, bbox, cls = self.det_net(inputs)

        batch_detections = self.decode(
            bbox, cls,
            self.ssd_priorbox_layer(feat_list,
                                    self.configer.get('test', 'input_size')),
            self.configer, [inputs.size(3), inputs.size(2)])
        json_dict = self.__get_info_tree(
            batch_detections[0], ori_img_bgr,
            [inputs.size(3), inputs.size(2)])

        image_canvas = self.det_parser.draw_bboxes(
            ori_img_bgr.copy(),
            json_dict,
            conf_threshold=self.configer.get('res', 'vis_conf_thre'))
        cv2.imwrite(vis_path, image_canvas)
        cv2.imwrite(raw_path, ori_img_bgr)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    @staticmethod
    def decode(bbox, conf, default_boxes, configer, input_size):
        loc = bbox
        if configer.get('phase') != 'debug':
            conf = F.softmax(conf, dim=-1)

        default_boxes = default_boxes.unsqueeze(0).repeat(loc.size(0), 1,
                                                          1).to(bbox.device)

        variances = [0.1, 0.2]
        wh = torch.exp(loc[:, :, 2:] * variances[1]) * default_boxes[:, :, 2:]
        cxcy = loc[:, :, :2] * variances[
            0] * default_boxes[:, :, 2:] + default_boxes[:, :, :2]
        boxes = torch.cat([cxcy - wh / 2, cxcy + wh / 2], 2)  # [b, 8732,4]

        batch_size, num_priors, _ = boxes.size()
        boxes = boxes.unsqueeze(2).repeat(1, 1,
                                          configer.get('data', 'num_classes'),
                                          1)
        boxes = boxes.contiguous().view(boxes.size(0), -1, 4)

        # clip bounding box
        boxes[:, :, 0::2] = boxes[:, :, 0::2].clamp(min=0,
                                                    max=input_size[0] - 1)
        boxes[:, :, 1::2] = boxes[:, :, 1::2].clamp(min=0,
                                                    max=input_size[1] - 1)

        labels = torch.Tensor([
            i for i in range(configer.get('data', 'num_classes'))
        ]).to(boxes.device)
        labels = labels.view(1, 1, -1,
                             1).repeat(batch_size, num_priors, 1,
                                       1).contiguous().view(batch_size, -1, 1)
        max_conf = conf.contiguous().view(batch_size, -1, 1)

        # max_conf, labels = conf.max(2, keepdim=True)  # [b, 8732,1]
        predictions = torch.cat((boxes, max_conf.float(), labels.float()), 2)
        output = [None for _ in range(len(predictions))]
        for image_i, image_pred in enumerate(predictions):
            ids = labels[image_i].squeeze(1).nonzero().contiguous().view(-1, )
            if ids.numel() == 0:
                continue

            valid_preds = image_pred[ids]
            _, order = valid_preds[:, 4].sort(0, descending=True)
            order = order[:configer.get('nms', 'pre_nms')]
            valid_preds = valid_preds[order]
            valid_preds = valid_preds[
                valid_preds[:, 4] > configer.get('res', 'val_conf_thre')]
            if valid_preds.numel() == 0:
                continue

            valid_preds = DetHelper.cls_nms(
                valid_preds[:, :6],
                labels=valid_preds[:, 5],
                max_threshold=configer.get('nms', 'max_threshold'),
                cls_keep_num=configer.get('res', 'cls_keep_num'))

            _, order = valid_preds[:, 4].sort(0, descending=True)
            order = order[:configer.get('res', 'max_per_image')]
            output[image_i] = valid_preds[order]

        return output

    def __get_info_tree(self, detections, image_raw, input_size):
        height, width, _ = image_raw.shape
        in_width, in_height = input_size
        json_dict = dict()
        object_list = list()
        if detections is not None:
            for x1, y1, x2, y2, conf, cls_pred in detections:
                object_dict = dict()
                xmin = x1.cpu().item() / in_width * width
                ymin = y1.cpu().item() / in_height * height
                xmax = x2.cpu().item() / in_width * width
                ymax = y2.cpu().item() / in_height * height
                object_dict['bbox'] = [xmin, ymin, xmax, ymax]
                object_dict['label'] = int(cls_pred.cpu().item()) - 1
                object_dict['score'] = float('%.2f' % conf.cpu().item())

                object_list.append(object_dict)

        json_dict['objects'] = object_list

        return json_dict

    def debug(self, vis_dir):
        count = 0
        for i, data_dict in enumerate(self.det_data_loader.get_trainloader()):
            inputs = data_dict['img']
            batch_gt_bboxes = data_dict['bboxes']
            batch_gt_labels = data_dict['labels']
            input_size = [inputs.size(3), inputs.size(2)]
            feat_list = list()
            for stride in self.configer.get('network', 'stride_list'):
                feat_list.append(
                    torch.zeros((inputs.size(0), 1, input_size[1] // stride,
                                 input_size[0] // stride)))

            bboxes, labels = self.ssd_target_generator(feat_list,
                                                       batch_gt_bboxes,
                                                       batch_gt_labels,
                                                       input_size)
            eye_matrix = torch.eye(self.configer.get('data', 'num_classes'))
            labels_target = eye_matrix[labels.view(-1)].view(
                inputs.size(0), -1, self.configer.get('data', 'num_classes'))
            batch_detections = self.decode(
                bboxes, labels_target,
                self.ssd_priorbox_layer(feat_list, input_size), self.configer,
                input_size)
            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(inputs[j])

                self.det_visualizer.vis_default_bboxes(
                    ori_img_bgr,
                    self.ssd_priorbox_layer(feat_list, input_size), labels[j])
                json_dict = self.__get_info_tree(batch_detections[j],
                                                 ori_img_bgr, input_size)
                image_canvas = self.det_parser.draw_bboxes(
                    ori_img_bgr.copy(),
                    json_dict,
                    conf_threshold=self.configer.get('res', 'vis_conf_thre'))

                cv2.imwrite(
                    os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
class FCNSegmentorTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.seg_visualizer = SegVisualizer(configer)
        self.seg_parser = SegParser(configer)
        self.seg_model_manager = SegModelManager(configer)
        self.seg_data_loader = DataLoader(configer)
        self.device = torch.device('cpu' if self.configer.get('gpu') is None else 'cuda')
        self.seg_net = None

        self._init_model()

    def _init_model(self):
        self.seg_net = self.seg_model_manager.semantic_segmentor()
        self.seg_net = RunnerHelper.load_net(self, self.seg_net)
        self.seg_net.eval()

    def _get_blob(self, ori_image, scale=None):
        assert scale is not None
        image = None
        if self.configer.exists('test', 'input_size'):
            image = self.blob_helper.make_input(image=ori_image,
                                                input_size=self.configer.get('test', 'input_size'),
                                                scale=scale)

        elif self.configer.exists('test', 'min_side_length') and not self.configer.exists('test', 'max_side_length'):
            image = self.blob_helper.make_input(image=ori_image,
                                                min_side_length=self.configer.get('test', 'min_side_length'),
                                                scale=scale)

        elif not self.configer.exists('test', 'min_side_length') and self.configer.exists('test', 'max_side_length'):
            image = self.blob_helper.make_input(image=ori_image,
                                                max_side_length=self.configer.get('test', 'max_side_length'),
                                                scale=scale)

        elif self.configer.exists('test', 'min_side_length') and self.configer.exists('test', 'max_side_length'):
            image = self.blob_helper.make_input(image=ori_image,
                                                min_side_length=self.configer.get('test', 'min_side_length'),
                                                max_side_length=self.configer.get('test', 'max_side_length'),
                                                scale=scale)

        else:
            Log.error('Test setting error')
            exit(1)

        b, c, h, w = image.size()
        border_hw = [h, w]
        if self.configer.exists('test', 'fit_stride'):
            stride = self.configer.get('test', 'fit_stride')

            pad_w = 0 if (w % stride == 0) else stride - (w % stride)  # right
            pad_h = 0 if (h % stride == 0) else stride - (h % stride)  # down

            expand_image = torch.zeros((b, c, h + pad_h, w + pad_w)).to(image.device)
            expand_image[:, :, 0:h, 0:w] = image
            image = expand_image

        return image, border_hw

    def test_img(self, image_path, label_path, vis_path, raw_path):
        Log.info('Image Path: {}'.format(image_path))
        ori_image = ImageHelper.read_image(image_path,
                                           tool=self.configer.get('data', 'image_tool'),
                                           mode=self.configer.get('data', 'input_mode'))
        total_logits = None
        if self.configer.get('test', 'mode') == 'ss_test':
            total_logits = self.ss_test(ori_image)

        elif self.configer.get('test', 'mode') == 'sscrop_test':
            total_logits = self.sscrop_test(ori_image)

        elif self.configer.get('test', 'mode') == 'ms_test':
            total_logits = self.ms_test(ori_image)

        elif self.configer.get('test', 'mode') == 'mscrop_test':
            total_logits = self.mscrop_test(ori_image)

        else:
            Log.error('Invalid test mode:{}'.format(self.configer.get('test', 'mode')))
            exit(1)

        label_map = np.argmax(total_logits, axis=-1)
        label_img = np.array(label_map, dtype=np.uint8)
        ori_img_bgr = ImageHelper.get_cv2_bgr(ori_image, mode=self.configer.get('data', 'input_mode'))
        image_canvas = self.seg_parser.colorize(label_img, image_canvas=ori_img_bgr)
        ImageHelper.save(image_canvas, save_path=vis_path)
        ImageHelper.save(ori_image, save_path=raw_path)

        if self.configer.exists('data', 'label_list'):
            label_img = self.__relabel(label_img)

        if self.configer.exists('data', 'reduce_zero_label') and self.configer.get('data', 'reduce_zero_label'):
            label_img = label_img + 1
            label_img = label_img.astype(np.uint8)

        label_img = Image.fromarray(label_img, 'P')
        Log.info('Label Path: {}'.format(label_path))
        ImageHelper.save(label_img, label_path)

    def ss_test(self, ori_image):
        ori_width, ori_height = ImageHelper.get_size(ori_image)
        total_logits = np.zeros((ori_height, ori_width, self.configer.get('data', 'num_classes')), np.float32)
        image, border_hw = self._get_blob(ori_image, scale=1.0)
        results = self._predict(image)
        results = cv2.resize(results[:border_hw[0], :border_hw[1]],
                             (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)
        total_logits += results
        return total_logits

    def sscrop_test(self, ori_image):
        ori_width, ori_height = ImageHelper.get_size(ori_image)
        total_logits = np.zeros((ori_height, ori_width, self.configer.get('data', 'num_classes')), np.float32)
        image, _ = self._get_blob(ori_image, scale=1.0)
        crop_size = self.configer.get('test', 'crop_size')
        if image.size()[3] > crop_size[0] and image.size()[2] > crop_size[1]:
            results = self._crop_predict(image, crop_size)
        else:
            results = self._predict(image)

        results = cv2.resize(results, (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)
        total_logits += results
        return total_logits

    def mscrop_test(self, ori_image):
        ori_width, ori_height = ImageHelper.get_size(ori_image)
        total_logits = np.zeros((ori_height, ori_width, self.configer.get('data', 'num_classes')), np.float32)
        for scale in self.configer.get('test', 'scale_search'):
            image, _ = self._get_blob(ori_image, scale=scale)
            crop_size = self.configer.get('test', 'crop_size')
            if image.size()[3] > crop_size[0] and image.size()[2] > crop_size[1]:
                results = self._crop_predict(image, crop_size)
            else:
                results = self._predict(image)

            results = cv2.resize(results, (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)
            total_logits += results

        return total_logits

    def ms_test(self, ori_image):
        ori_width, ori_height = ImageHelper.get_size(ori_image)
        total_logits = np.zeros((ori_height, ori_width, self.configer.get('data', 'num_classes')), np.float32)
        for scale in self.configer.get('test', 'scale_search'):
            image, border_hw = self._get_blob(ori_image, scale=scale)
            results = self._predict(image)
            results = cv2.resize(results[:border_hw[0], :border_hw[1]],
                                 (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)
            total_logits += results

        if self.configer.get('data', 'image_tool') == 'cv2':
            mirror_image = cv2.flip(ori_image, 1)
        else:
            mirror_image = ori_image.transpose(Image.FLIP_LEFT_RIGHT)

        image, border_hw = self._get_blob(mirror_image, scale=1.0)
        results = self._predict(image)
        results = results[:border_hw[0], :border_hw[1]]
        results = cv2.resize(results[:, ::-1], (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)
        total_logits += results
        return total_logits

    def _crop_predict(self, image, crop_size):
        height, width = image.size()[2:]
        np_image = image.squeeze(0).permute(1, 2, 0).cpu().numpy()
        height_starts = self._decide_intersection(height, crop_size[1])
        width_starts = self._decide_intersection(width, crop_size[0])
        split_crops = []
        for height in height_starts:
            for width in width_starts:
                image_crop = np_image[height:height + crop_size[1], width:width + crop_size[0]]
                split_crops.append(image_crop[np.newaxis, :])

        split_crops = np.concatenate(split_crops, axis=0)  # (n, crop_image_size, crop_image_size, 3)
        inputs = torch.from_numpy(split_crops).permute(0, 3, 1, 2).to(self.device)
        with torch.no_grad():
            results = self.seg_net.forward(inputs)
            results = results[-1].permute(0, 2, 3, 1).cpu().numpy()

        reassemble = np.zeros((np_image.shape[0], np_image.shape[1], results.shape[-1]), np.float32)
        index = 0
        for height in height_starts:
            for width in width_starts:
                reassemble[height:height+crop_size[1], width:width+crop_size[0]] += results[index]
                index += 1

        return reassemble

    def _decide_intersection(self, total_length, crop_length):
        stride = int(crop_length * self.configer.get('test', 'crop_stride_ratio'))            # set the stride as the paper do
        times = (total_length - crop_length) // stride + 1
        cropped_starting = []
        for i in range(times):
            cropped_starting.append(stride*i)

        if total_length - cropped_starting[-1] > crop_length:
            cropped_starting.append(total_length - crop_length)  # must cover the total image

        return cropped_starting

    def _predict(self, inputs):
        with torch.no_grad():
            results = self.seg_net.forward(inputs)
            results = results[-1].squeeze(0).permute(1, 2, 0).cpu().numpy()

        return results

    def __relabel(self, label_map):
        height, width = label_map.shape
        label_dst = np.zeros((height, width), dtype=np.uint8)
        for i in range(self.configer.get('data', 'num_classes')):
            label_dst[label_map == i] = self.configer.get('data', 'label_list')[i]

        label_dst = np.array(label_dst, dtype=np.uint8)

        return label_dst

    def debug(self, vis_dir):
        count = 0
        for i, data_dict in enumerate(self.seg_data_loader.get_trainloader()):
            inputs = data_dict['img']
            targets = data_dict['labelmap']
            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                image_bgr = self.blob_helper.tensor2bgr(inputs[j])
                label_map = targets[j].numpy()
                image_canvas = self.seg_parser.colorize(label_map, image_canvas=image_bgr)
                cv2.imwrite(os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)), image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
Example #3
0
class YOLOv3Test(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.det_visualizer = DetVisualizer(configer)
        self.det_parser = DetParser(configer)
        self.det_model_manager = ModelManager(configer)
        self.det_data_loader = DataLoader(configer)
        self.yolo_target_generator = YOLOTargetGenerator(configer)
        self.yolo_detection_layer = YOLODetectionLayer(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.det_net = None

        self._init_model()

    def _init_model(self):
        self.det_net = self.det_model_manager.object_detector()
        self.det_net = RunnerHelper.load_net(self, self.det_net)
        self.det_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        img = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))
        ori_img_bgr = ImageHelper.get_cv2_bgr(img,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))

        inputs = self.blob_helper.make_input(img,
                                             input_size=self.configer.get(
                                                 'data', 'input_size'),
                                             scale=1.0)

        with torch.no_grad():
            inputs = inputs.unsqueeze(0).to(self.device)
            _, _, detections = self.det_net(inputs)

        batch_detections = self.decode(detections, self.configer)
        json_dict = self.__get_info_tree(batch_detections[0], ori_img_bgr)

        image_canvas = self.det_parser.draw_bboxes(
            ori_img_bgr.copy(),
            json_dict,
            conf_threshold=self.configer.get('res', 'vis_conf_thre'))
        ImageHelper.save(ori_img_bgr, raw_path)
        ImageHelper.save(image_canvas, vis_path)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    @staticmethod
    def decode(batch_pred_bboxes, configer, input_size):
        box_corner = batch_pred_bboxes.new(batch_pred_bboxes.shape)
        box_corner[:, :,
                   0] = batch_pred_bboxes[:, :,
                                          0] - batch_pred_bboxes[:, :, 2] / 2
        box_corner[:, :,
                   1] = batch_pred_bboxes[:, :,
                                          1] - batch_pred_bboxes[:, :, 3] / 2
        box_corner[:, :,
                   2] = batch_pred_bboxes[:, :,
                                          0] + batch_pred_bboxes[:, :, 2] / 2
        box_corner[:, :,
                   3] = batch_pred_bboxes[:, :,
                                          1] + batch_pred_bboxes[:, :, 3] / 2

        # clip bounding box
        box_corner[:, :, 0::2] = box_corner[:, :, 0::2].clamp(min=0, max=1.0)
        box_corner[:, :, 1::2] = box_corner[:, :, 1::2].clamp(min=0, max=1.0)

        batch_pred_bboxes[:, :, :4] = box_corner[:, :, :4]
        batch_pred_bboxes[:, :, 0::2] *= input_size[0]
        batch_pred_bboxes[:, :, 1::2] *= input_size[1]
        output = [None for _ in range(len(batch_pred_bboxes))]
        for image_i, image_pred in enumerate(batch_pred_bboxes):
            # Filter out confidence scores below threshold
            conf_mask = (image_pred[:, 4] > configer.get(
                'res', 'val_conf_thre')).squeeze()
            image_pred = image_pred[conf_mask]
            # If none are remaining => process next image
            if image_pred.numel() == 0:
                continue

            # Get score and class with highest confidence
            class_conf, class_pred = torch.max(
                image_pred[:, 5:5 + configer.get('data', 'num_classes')],
                1,
                keepdim=True)
            # Detections ordered as (x1, y1, x2, y2, obj_conf, class_conf, class_pred)
            detections = torch.cat(
                (image_pred[:, :5], class_conf.float(), class_pred.float()), 1)
            output[image_i] = DetHelper.cls_nms(detections,
                                                labels=class_pred.squeeze(1),
                                                max_threshold=configer.get(
                                                    'res',
                                                    'nms')['max_threshold'])

        return output

    def __get_info_tree(self, detections, image_raw, input_size):
        height, width, _ = image_raw.shape
        json_dict = dict()
        object_list = list()
        if detections is not None:
            for x1, y1, x2, y2, conf, cls_conf, cls_pred in detections:
                object_dict = dict()
                xmin = x1.cpu().item() / input_size[0] * width
                ymin = y1.cpu().item() / input_size[1] * height
                xmax = x2.cpu().item() / input_size[0] * width
                ymax = y2.cpu().item() / input_size[1] * height
                object_dict['bbox'] = [xmin, ymin, xmax, ymax]
                object_dict['label'] = int(cls_pred.cpu().item())
                object_dict['score'] = float('%.2f' % conf.cpu().item())

                object_list.append(object_dict)

        json_dict['objects'] = object_list

        return json_dict

    def debug(self, vis_dir):
        count = 0
        for i, data_dict in enumerate(self.det_data_loader.get_trainloader()):
            inputs = data_dict['img']
            batch_gt_bboxes = data_dict['bboxes']
            batch_gt_labels = data_dict['labels']
            input_size = [inputs.size(3), inputs.size(2)]
            feat_list = list()
            for stride in self.configer.get('network', 'stride_list'):
                feat_list.append(
                    torch.zeros((inputs.size(0), 1, input_size[1] // stride,
                                 input_size[0] // stride)))

            targets, _, _ = self.yolo_target_generator(feat_list,
                                                       batch_gt_bboxes,
                                                       batch_gt_labels,
                                                       input_size)
            targets = targets.to(self.device)
            anchors_list = self.configer.get('gt', 'anchors_list')
            output_list = list()
            be_c = 0
            for f_index, anchors in enumerate(anchors_list):
                feat_stride = self.configer.get('network',
                                                'stride_list')[f_index]
                fm_size = [
                    int(round(border / feat_stride)) for border in input_size
                ]
                num_c = len(anchors) * fm_size[0] * fm_size[1]
                output_list.append(
                    targets[:, be_c:be_c + num_c].contiguous().view(
                        targets.size(0), len(anchors), fm_size[1], fm_size[0],
                        -1).permute(0, 1, 4, 2, 3).contiguous().view(
                            targets.size(0), -1, fm_size[1], fm_size[0]))

                be_c += num_c

            batch_detections = self.decode(
                self.yolo_detection_layer(output_list)[2], self.configer,
                input_size)

            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(inputs[j])

                json_dict = self.__get_info_tree(batch_detections[j],
                                                 ori_img_bgr, input_size)

                image_canvas = self.det_parser.draw_bboxes(
                    ori_img_bgr.copy(),
                    json_dict,
                    conf_threshold=self.configer.get('vis', 'obj_threshold'))

                cv2.imwrite(
                    os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
Example #4
0
class FastRCNNTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.det_visualizer = DetVisualizer(configer)
        self.det_parser = DetParser(configer)
        self.det_model_manager = DetModelManager(configer)
        self.det_data_loader = DetDataLoader(configer)
        self.roi_sampler = FRRoiSampleLayer(configer)
        self.module_utilizer = ModuleUtilizer(configer)
        self.rpn_target_generator = RPNTargetGenerator(configer)
        self.fr_priorbox_layer = FRPriorBoxLayer(configer)
        self.fr_roi_generator = FRRoiGenerator(configer)
        self.data_transformer = DataTransformer(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.det_net = None

        self._init_model()

    def _init_model(self):
        self.det_net = self.det_model_manager.object_detector()
        self.det_net = self.module_utilizer.load_net(self.det_net)
        self.det_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        img = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))
        ori_img_bgr = ImageHelper.get_cv2_bgr(img,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))
        img, scale = BoundResize()(img)
        inputs = self.blob_helper.make_input(img, scale=1.0)
        with torch.no_grad():
            # Forward pass.
            test_group = self.det_net(inputs, scale)

            test_indices_and_rois, test_roi_locs, test_roi_scores, test_rois_num = test_group

        batch_detections = self.decode(test_roi_locs, test_roi_scores,
                                       test_indices_and_rois,
                                       test_rois_num, self.configer,
                                       ImageHelper.get_size(img))
        json_dict = self.__get_info_tree(batch_detections[0],
                                         ori_img_bgr,
                                         scale=scale)

        image_canvas = self.det_parser.draw_bboxes(
            ori_img_bgr.copy(),
            json_dict,
            conf_threshold=self.configer.get('vis', 'conf_threshold'))
        cv2.imwrite(vis_path, image_canvas)
        cv2.imwrite(raw_path, ori_img_bgr)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    @staticmethod
    def decode(roi_locs, roi_scores, indices_and_rois, test_rois_num, configer,
               input_size):
        roi_locs = roi_locs.cpu()
        roi_scores = roi_scores.cpu()
        indices_and_rois = indices_and_rois.cpu()
        num_classes = configer.get('data', 'num_classes')
        mean = torch.Tensor(configer.get(
            'roi', 'loc_normalize_mean')).repeat(num_classes)[None]
        std = torch.Tensor(configer.get(
            'roi', 'loc_normalize_std')).repeat(num_classes)[None]
        mean = mean.to(roi_locs.device)
        std = std.to(roi_locs.device)

        roi_locs = (roi_locs * std + mean)
        roi_locs = roi_locs.contiguous().view(-1, num_classes, 4)
        # roi_locs = roi_locs[:,:, [1, 0, 3, 2]]

        rois = indices_and_rois[:, 1:]
        rois = rois.contiguous().view(-1, 1, 4).expand_as(roi_locs)
        wh = torch.exp(roi_locs[:, :, 2:]) * (rois[:, :, 2:] - rois[:, :, :2])
        cxcy = roi_locs[:, :, :2] * (rois[:, :, 2:] - rois[:, :, :2]) + (
            rois[:, :, :2] + rois[:, :, 2:]) / 2
        dst_bbox = torch.cat([cxcy - wh / 2, cxcy + wh / 2], 2)  # [b, 8732,4]

        # clip bounding box
        dst_bbox[:, :, 0::2] = (dst_bbox[:, :,
                                         0::2]).clamp(min=0,
                                                      max=input_size[0] - 1)
        dst_bbox[:, :, 1::2] = (dst_bbox[:, :,
                                         1::2]).clamp(min=0,
                                                      max=input_size[1] - 1)

        if configer.get('phase') != 'debug':
            cls_prob = F.softmax(roi_scores, dim=1)
        else:
            cls_prob = roi_scores

        cls_label = torch.LongTensor([i for i in range(num_classes)])\
            .contiguous().view(1, num_classes).repeat(indices_and_rois.size(0), 1)

        output = [None for _ in range(test_rois_num.size(0))]
        start_index = 0
        for i in range(test_rois_num.size(0)):
            # batch_index = (indices_and_rois[:, 0] == i).nonzero().contiguous().view(-1,)
            # tmp_dst_bbox = dst_bbox[batch_index]
            # tmp_cls_prob = cls_prob[batch_index]
            # tmp_cls_label = cls_label[batch_index]
            tmp_dst_bbox = dst_bbox[start_index:start_index + test_rois_num[i]]
            tmp_cls_prob = cls_prob[start_index:start_index + test_rois_num[i]]
            tmp_cls_label = cls_label[start_index:start_index +
                                      test_rois_num[i]]
            start_index += test_rois_num[i]

            mask = (tmp_cls_prob > configer.get(
                'vis', 'conf_threshold')) & (tmp_cls_label > 0)

            tmp_dst_bbox = tmp_dst_bbox[mask].contiguous().view(-1, 4)
            if tmp_dst_bbox.numel() == 0:
                continue

            tmp_cls_prob = tmp_cls_prob[mask].contiguous().view(
                -1, ).unsqueeze(1)
            tmp_cls_label = tmp_cls_label[mask].contiguous().view(
                -1, ).unsqueeze(1)

            valid_preds = torch.cat(
                (tmp_dst_bbox, tmp_cls_prob.float(), tmp_cls_label.float()), 1)

            keep = DetHelper.cls_nms(valid_preds[:, :4],
                                     scores=valid_preds[:, 4],
                                     labels=valid_preds[:, 5],
                                     nms_threshold=configer.get(
                                         'nms', 'overlap_threshold'),
                                     iou_mode=configer.get('nms', 'mode'))

            output[i] = valid_preds[keep]

        return output

    def __make_tensor(self, gt_bboxes, gt_labels):
        len_arr = [gt_labels[i].numel() for i in range(len(gt_bboxes))]
        batch_maxlen = max(max(len_arr), 1)
        target_bboxes = torch.zeros((len(gt_bboxes), batch_maxlen, 4)).float()
        target_labels = torch.zeros((len(gt_bboxes), batch_maxlen)).long()
        for i in range(len(gt_bboxes)):
            target_bboxes[i, :len_arr[i], :] = gt_bboxes[i]
            target_labels[i, :len_arr[i]] = gt_labels[i]

        target_bboxes_num = torch.Tensor(len_arr).long()
        return target_bboxes, target_bboxes_num, target_labels

    def __get_info_tree(self, detections, image_raw, scale=1.0):
        height, width, _ = image_raw.shape
        json_dict = dict()
        object_list = list()
        if detections is not None:
            for x1, y1, x2, y2, conf, cls_pred in detections:
                object_dict = dict()
                xmin = min(x1.cpu().item() / scale, width - 1)
                ymin = min(y1.cpu().item() / scale, height - 1)
                xmax = min(x2.cpu().item() / scale, width - 1)
                ymax = min(y2.cpu().item() / scale, height - 1)
                object_dict['bbox'] = [xmin, ymin, xmax, ymax]
                object_dict['label'] = int(cls_pred.cpu().item()) - 1
                object_dict['score'] = float('%.2f' % conf.cpu().item())

                object_list.append(object_dict)

        json_dict['objects'] = object_list

        return json_dict

    def test(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'val/results/det',
                                self.configer.get('dataset'))

        test_img = self.configer.get('test_img')
        test_dir = self.configer.get('test_dir')
        if test_img is None and test_dir is None:
            Log.error('test_img & test_dir not exists.')
            exit(1)

        if test_img is not None and test_dir is not None:
            Log.error('Either test_img or test_dir.')
            exit(1)

        if test_img is not None:
            base_dir = os.path.join(base_dir, 'test_img')
            filename = test_img.rstrip().split('/')[-1]
            json_path = os.path.join(
                base_dir, 'json',
                '{}.json'.format('.'.join(filename.split('.')[:-1])))
            raw_path = os.path.join(base_dir, 'raw', filename)
            vis_path = os.path.join(
                base_dir, 'vis',
                '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
            FileHelper.make_dirs(json_path, is_file=True)
            FileHelper.make_dirs(raw_path, is_file=True)
            FileHelper.make_dirs(vis_path, is_file=True)
            self.__test_img(test_img, json_path, raw_path, vis_path)

        else:
            base_dir = os.path.join(base_dir, 'test_dir',
                                    test_dir.rstrip('/').split('/')[-1])
            FileHelper.make_dirs(base_dir)

            for filename in FileHelper.list_dir(test_dir):
                image_path = os.path.join(test_dir, filename)
                json_path = os.path.join(
                    base_dir, 'json',
                    '{}.json'.format('.'.join(filename.split('.')[:-1])))
                raw_path = os.path.join(base_dir, 'raw', filename)
                vis_path = os.path.join(
                    base_dir, 'vis',
                    '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
                FileHelper.make_dirs(json_path, is_file=True)
                FileHelper.make_dirs(raw_path, is_file=True)
                FileHelper.make_dirs(vis_path, is_file=True)

                self.__test_img(image_path, json_path, raw_path, vis_path)

    def debug(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'vis/results/det',
                                self.configer.get('dataset'), 'debug')

        if not os.path.exists(base_dir):
            os.makedirs(base_dir)

        count = 0
        for i, data_dict in enumerate(self.det_data_loader.get_trainloader()):
            img_scale = data_dict['imgscale']
            inputs = data_dict['img']
            batch_gt_bboxes = data_dict['bboxes']
            # batch_gt_bboxes = ResizeBoxes()(inputs, data_dict['bboxes'])
            batch_gt_labels = data_dict['labels']

            input_size = [inputs.size(3), inputs.size(2)]
            feat_list = list()
            for stride in self.configer.get('rpn', 'stride_list'):
                feat_list.append(
                    torch.zeros((inputs.size(0), 1, input_size[1] // stride,
                                 input_size[0] // stride)))

            gt_rpn_locs, gt_rpn_labels = self.rpn_target_generator(
                feat_list, batch_gt_bboxes, input_size)
            eye_matrix = torch.eye(2)
            gt_rpn_labels[gt_rpn_labels == -1] = 0
            gt_rpn_scores = eye_matrix[gt_rpn_labels.view(-1)].view(
                inputs.size(0), -1, 2)
            test_indices_and_rois, _ = self.fr_roi_generator(
                feat_list, gt_rpn_locs, gt_rpn_scores,
                self.configer.get('rpn', 'n_test_pre_nms'),
                self.configer.get('rpn', 'n_test_post_nms'), input_size,
                img_scale)

            gt_bboxes, gt_nums, gt_labels = self.__make_tensor(
                batch_gt_bboxes, batch_gt_labels)
            sample_rois, gt_roi_locs, gt_roi_labels = self.roi_sampler(
                test_indices_and_rois, gt_bboxes, gt_nums, gt_labels,
                input_size)

            self.det_visualizer.vis_rois(inputs,
                                         sample_rois[gt_roi_labels > 0])
            gt_cls_roi_locs = torch.zeros(
                (gt_roi_locs.size(0), self.configer.get('data',
                                                        'num_classes'), 4))
            gt_cls_roi_locs[torch.arange(0, sample_rois.size(0)).long(),
                            gt_roi_labels.long()] = gt_roi_locs
            gt_cls_roi_locs = gt_cls_roi_locs.contiguous().view(
                -1, 4 * self.configer.get('data', 'num_classes'))
            eye_matrix = torch.eye(self.configer.get('data', 'num_classes'))

            gt_roi_scores = eye_matrix[gt_roi_labels.view(-1)].view(
                gt_roi_labels.size(0),
                self.configer.get('data', 'num_classes'))
            test_rois_num = torch.zeros((len(gt_bboxes), )).long()
            for batch_id in range(len(gt_bboxes)):
                batch_index = (
                    sample_rois[:, 0] == batch_id).nonzero().contiguous().view(
                        -1, )
                test_rois_num[batch_id] = batch_index.numel()

            batch_detections = FastRCNNTest.decode(gt_cls_roi_locs,
                                                   gt_roi_scores, sample_rois,
                                                   test_rois_num,
                                                   self.configer, input_size)

            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(inputs[j])

                self.det_visualizer.vis_default_bboxes(
                    ori_img_bgr, self.fr_priorbox_layer(feat_list, input_size),
                    gt_rpn_labels[j])
                json_dict = self.__get_info_tree(batch_detections[j],
                                                 ori_img_bgr)
                image_canvas = self.det_parser.draw_bboxes(
                    ori_img_bgr.copy(),
                    json_dict,
                    conf_threshold=self.configer.get('vis', 'conf_threshold'))

                cv2.imwrite(
                    os.path.join(base_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
Example #5
0
class OpenPoseTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.pose_visualizer = PoseVisualizer(configer)
        self.pose_parser = PoseParser(configer)
        self.pose_model_manager = PoseModelManager(configer)
        self.pose_data_loader = DataLoader(configer)
        self.heatmap_generator = HeatmapGenerator(configer)
        self.paf_generator = PafGenerator(configer)
        self.device = torch.device('cpu' if self.configer.get('gpu') is None else 'cuda')
        self.pose_net = None

        self._init_model()

    def _init_model(self):
        self.pose_net = self.pose_model_manager.multi_pose_detector()
        self.pose_net = RunnerHelper.load_net(self, self.pose_net)
        self.pose_net.eval()

    def _get_blob(self, ori_image, scale=None):
        assert scale is not None
        image = self.blob_helper.make_input(image=ori_image, scale=scale)

        b, c, h, w = image.size()
        border_hw = [h, w]
        if self.configer.exists('test', 'fit_stride'):
            stride = self.configer.get('test', 'fit_stride')

            pad_w = 0 if (w % stride == 0) else stride - (w % stride)  # right
            pad_h = 0 if (h % stride == 0) else stride - (h % stride)  # down

            expand_image = torch.zeros((b, c, h + pad_h, w + pad_w)).to(image.device)
            expand_image[:, :, 0:h, 0:w] = image
            image = expand_image

        return image, border_hw

    def __test_img(self, image_path, json_path, raw_path, vis_path):

        Log.info('Image Path: {}'.format(image_path))
        ori_image = ImageHelper.read_image(image_path,
                                           tool=self.configer.get('data', 'image_tool'),
                                           mode=self.configer.get('data', 'input_mode'))

        ori_width, ori_height = ImageHelper.get_size(ori_image)
        ori_img_bgr = ImageHelper.get_cv2_bgr(ori_image, mode=self.configer.get('data', 'input_mode'))
        heatmap_avg = np.zeros((ori_height, ori_width, self.configer.get('network', 'heatmap_out')))
        paf_avg = np.zeros((ori_height, ori_width, self.configer.get('network', 'paf_out')))
        multiplier = [scale * self.configer.get('test', 'input_size')[1] / ori_height
                      for scale in self.configer.get('test', 'scale_search')]
        stride = self.configer.get('network', 'stride')
        for i, scale in enumerate(multiplier):
            image, border_hw = self._get_blob(ori_image, scale=scale)
            with torch.no_grad():
                paf_out_list, heatmap_out_list = self.pose_net(image)
                paf_out = paf_out_list[-1]
                heatmap_out = heatmap_out_list[-1]

                # extract outputs, resize, and remove padding
                heatmap = heatmap_out.squeeze(0).cpu().numpy().transpose(1, 2, 0)

                heatmap = cv2.resize(heatmap, None, fx=stride, fy=stride, interpolation=cv2.INTER_CUBIC)
                heatmap = cv2.resize(heatmap[:border_hw[0], :border_hw[1]],
                                     (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)

                paf = paf_out.squeeze(0).cpu().numpy().transpose(1, 2, 0)
                paf = cv2.resize(paf, None, fx=stride, fy=stride, interpolation=cv2.INTER_CUBIC)
                paf = cv2.resize(paf[:border_hw[0], :border_hw[1]],
                                 (ori_width, ori_height), interpolation=cv2.INTER_CUBIC)

                heatmap_avg = heatmap_avg + heatmap / len(multiplier)
                paf_avg = paf_avg + paf / len(multiplier)

        all_peaks = self.__extract_heatmap_info(heatmap_avg)
        special_k, connection_all = self.__extract_paf_info(ori_img_bgr, paf_avg, all_peaks)
        subset, candidate = self.__get_subsets(connection_all, special_k, all_peaks)
        json_dict = self.__get_info_tree(ori_img_bgr, subset, candidate)

        image_canvas = self.pose_parser.draw_points(ori_img_bgr.copy(), json_dict)
        image_canvas = self.pose_parser.link_points(image_canvas, json_dict)

        ImageHelper.save(image_canvas, vis_path)
        ImageHelper.save(ori_img_bgr, raw_path)
        Log.info('Json Save Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)

    def __get_info_tree(self, image_raw, subset, candidate):
        json_dict = dict()
        height, width, _ = image_raw.shape
        json_dict['image_height'] = height
        json_dict['image_width'] = width
        object_list = list()
        for n in range(len(subset)):
            if subset[n][-1] < self.configer.get('res', 'num_threshold'):
                continue

            if subset[n][-2] / subset[n][-1] < self.configer.get('res', 'avg_threshold'):
                continue

            object_dict = dict()
            object_dict['kpts'] = np.zeros((self.configer.get('data', 'num_kpts'), 3)).tolist()
            for j in range(self.configer.get('data', 'num_kpts')):
                index = subset[n][j]
                if index == -1:
                    object_dict['kpts'][j][0] = -1
                    object_dict['kpts'][j][1] = -1
                    object_dict['kpts'][j][2] = -1

                else:
                    object_dict['kpts'][j][0] = candidate[index.astype(int)][0]
                    object_dict['kpts'][j][1] = candidate[index.astype(int)][1]
                    object_dict['kpts'][j][2] = 1

            object_dict['score'] = subset[n][-2]
            object_list.append(object_dict)

        json_dict['objects'] = object_list
        return json_dict

    def __extract_heatmap_info(self, heatmap_avg):
        all_peaks = []
        peak_counter = 0

        for part in range(self.configer.get('data', 'num_kpts')):
            map_ori = heatmap_avg[:, :, part]
            map_gau = gaussian_filter(map_ori, sigma=3)

            map_left = np.zeros(map_gau.shape)
            map_left[1:, :] = map_gau[:-1, :]
            map_right = np.zeros(map_gau.shape)
            map_right[:-1, :] = map_gau[1:, :]
            map_up = np.zeros(map_gau.shape)
            map_up[:, 1:] = map_gau[:, :-1]
            map_down = np.zeros(map_gau.shape)
            map_down[:, :-1] = map_gau[:, 1:]

            peaks_binary = np.logical_and.reduce(
                (map_gau >= map_left, map_gau >= map_right, map_gau >= map_up,
                 map_gau >= map_down, map_gau > self.configer.get('res', 'part_threshold')))

            peaks = zip(np.nonzero(peaks_binary)[1], np.nonzero(peaks_binary)[0])  # note reverse
            peaks = list(peaks)

            '''
            del_flag = [0 for i in range(len(peaks))]
            for i in range(len(peaks)):
                if del_flag[i] == 0:
                    for j in range(i+1, len(peaks)):
                        if max(abs(peaks[i][0] - peaks[j][0]), abs(peaks[i][1] - peaks[j][1])) <= 6:
                            del_flag[j] = 1

            new_peaks = list()
            for i in range(len(peaks)):
                if del_flag[i] == 0:
                    new_peaks.append(peaks[i])

            peaks = new_peaks
            '''

            peaks_with_score = [x + (map_ori[x[1], x[0]],) for x in peaks]
            ids = range(peak_counter, peak_counter + len(peaks))
            peaks_with_score_and_id = [peaks_with_score[i] + (ids[i],) for i in range(len(ids))]

            all_peaks.append(peaks_with_score_and_id)
            peak_counter += len(peaks)

        return all_peaks

    def __extract_paf_info(self, img_raw, paf_avg, all_peaks):
        connection_all = []
        special_k = []
        mid_num = self.configer.get('res', 'mid_point_num')

        for k in range(len(self.configer.get('details', 'limb_seq'))):
            score_mid = paf_avg[:, :, [k*2, k*2+1]]
            candA = all_peaks[self.configer.get('details', 'limb_seq')[k][0] - 1]
            candB = all_peaks[self.configer.get('details', 'limb_seq')[k][1] - 1]
            nA = len(candA)
            nB = len(candB)
            if nA != 0 and nB != 0:
                connection_candidate = []
                for i in range(nA):
                    for j in range(nB):
                        vec = np.subtract(candB[j][:2], candA[i][:2])
                        norm = math.sqrt(vec[0] * vec[0] + vec[1] * vec[1]) + 1e-9
                        vec = np.divide(vec, norm)

                        startend = zip(np.linspace(candA[i][0], candB[j][0], num=mid_num),
                                       np.linspace(candA[i][1], candB[j][1], num=mid_num))
                        startend = list(startend)

                        vec_x = np.array([score_mid[int(round(startend[I][1])), int(round(startend[I][0])), 0]
                                          for I in range(len(startend))])
                        vec_y = np.array([score_mid[int(round(startend[I][1])), int(round(startend[I][0])), 1]
                                          for I in range(len(startend))])

                        score_midpts = np.multiply(vec_x, vec[0]) + np.multiply(vec_y, vec[1])
                        score_with_dist_prior = sum(score_midpts) / len(score_midpts)
                        score_with_dist_prior += min(0.5 * img_raw.shape[0] / norm - 1, 0)

                        num_positive = len(np.nonzero(score_midpts > self.configer.get('res', 'limb_threshold'))[0])
                        criterion1 = num_positive > int(self.configer.get('res', 'limb_pos_ratio') * len(score_midpts))
                        criterion2 = score_with_dist_prior > 0
                        if criterion1 and criterion2:
                            connection_candidate.append(
                                [i, j, score_with_dist_prior, score_with_dist_prior + candA[i][2] + candB[j][2]])

                connection_candidate = sorted(connection_candidate, key=lambda x: x[2], reverse=True)
                connection = np.zeros((0, 5))
                for c in range(len(connection_candidate)):
                    i, j, s = connection_candidate[c][0:3]
                    if i not in connection[:, 3] and j not in connection[:, 4]:
                        connection = np.vstack([connection, [candA[i][3], candB[j][3], s, i, j]])
                        if len(connection) >= min(nA, nB):
                            break

                connection_all.append(connection)
            else:
                special_k.append(k)
                connection_all.append([])

        return special_k, connection_all

    def __get_subsets(self, connection_all, special_k, all_peaks):
        # last number in each row is the total parts number of that person
        # the second last number in each row is the score of the overall configuration
        subset = -1 * np.ones((0, self.configer.get('data', 'num_kpts') + 2))
        candidate = np.array([item for sublist in all_peaks for item in sublist])

        for k in self.configer.get('details', 'mini_tree'):
            if k not in special_k:
                partAs = connection_all[k][:, 0]
                partBs = connection_all[k][:, 1]
                indexA, indexB = np.array(self.configer.get('details', 'limb_seq')[k]) - 1

                for i in range(len(connection_all[k])):  # = 1:size(temp,1)
                    found = 0
                    subset_idx = [-1, -1]
                    for j in range(len(subset)):  # 1:size(subset,1):
                        if subset[j][indexA] == partAs[i] or subset[j][indexB] == partBs[i]:
                            subset_idx[found] = j
                            found += 1

                    if found == 1:
                        j = subset_idx[0]
                        if (subset[j][indexB] != partBs[i]):
                            subset[j][indexB] = partBs[i]
                            subset[j][-1] += 1
                            subset[j][-2] += candidate[partBs[i].astype(int), 2] + connection_all[k][i][2]
                    elif found == 2:  # if found 2 and disjoint, merge them
                        j1, j2 = subset_idx
                        membership = ((subset[j1] >= 0).astype(int) + (subset[j2] >= 0).astype(int))[:-2]
                        if len(np.nonzero(membership == 2)[0]) == 0:  # merge
                            subset[j1][:-2] += (subset[j2][:-2] + 1)
                            subset[j1][-2:] += subset[j2][-2:]
                            subset[j1][-2] += connection_all[k][i][2]
                            subset = np.delete(subset, j2, 0)
                        else:  # as like found == 1
                            subset[j1][indexB] = partBs[i]
                            subset[j1][-1] += 1
                            subset[j1][-2] += candidate[partBs[i].astype(int), 2] + connection_all[k][i][2]

                    # if find no partA in the subset, create a new subset
                    elif not found:
                        row = -1 * np.ones(self.configer.get('data', 'num_kpts') + 2)
                        row[indexA] = partAs[i]
                        row[indexB] = partBs[i]
                        row[-1] = 2
                        row[-2] = sum(candidate[connection_all[k][i, :2].astype(int), 2]) + connection_all[k][i][2]
                        subset = np.vstack([subset, row])

        return subset, candidate

    def debug(self, vis_dir):
        for i, data_dict in enumerate(self.pose_data_loader.get_trainloader()):
            inputs = data_dict['img']
            maskmap = data_dict['maskmap']
            heatmap = data_dict['heatmap']
            vecmap = data_dict['vecmap']
            for j in range(inputs.size(0)):
                count = count + 1
                if count > 10:
                    exit(1)

                Log.info(heatmap.size())
                image_bgr = self.blob_helper.tensor2bgr(inputs[j])
                mask_canvas = maskmap[j].repeat(3, 1, 1).numpy().transpose(1, 2, 0)
                mask_canvas = (mask_canvas * 255).astype(np.uint8)
                mask_canvas = cv2.resize(mask_canvas, (0, 0), fx=self.configer.get('network', 'stride'),
                                         fy=self.configer.get('network', 'stride'), interpolation=cv2.INTER_CUBIC)

                image_bgr = cv2.addWeighted(image_bgr, 0.6, mask_canvas, 0.4, 0)
                heatmap_avg = heatmap[j].numpy().transpose(1, 2, 0)
                heatmap_avg = cv2.resize(heatmap_avg, (0, 0), fx=self.configer.get('network', 'stride'),
                                     fy=self.configer.get('network', 'stride'), interpolation=cv2.INTER_CUBIC)
                paf_avg = vecmap[j].numpy().transpose(1, 2, 0)
                paf_avg = cv2.resize(paf_avg, (0, 0), fx=self.configer.get('network', 'stride'),
                                     fy=self.configer.get('network', 'stride'), interpolation=cv2.INTER_CUBIC)
                self.pose_visualizer.vis_peaks(heatmap_avg, image_bgr)
                self.pose_visualizer.vis_paf(paf_avg, image_bgr)
                all_peaks = self.__extract_heatmap_info(heatmap_avg)
                special_k, connection_all = self.__extract_paf_info(image_bgr, paf_avg, all_peaks)
                subset, candidate = self.__get_subsets(connection_all, special_k, all_peaks)
                json_dict = self.__get_info_tree(image_bgr, subset, candidate)
                image_canvas = self.pose_parser.draw_points(image_bgr, json_dict)
                image_canvas = self.pose_parser.link_points(image_canvas, json_dict)
                cv2.imwrite(os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)), image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
class ConvPoseMachineTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.pose_vis = PoseVisualizer(configer)
        self.pose_model_manager = ModelManager(configer)
        self.pose_data_loader = DataLoader(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.pose_net = None

        self._init_model()

    def _init_model(self):
        self.pose_net = self.pose_model_manager.multi_pose_detector()
        self.pose_net = RunnerHelper.load_net(self, self.pose_net)
        self.pose_net.eval()

    def __test_img(self, image_path, save_path):
        Log.info('Image Path: {}'.format(image_path))
        ori_image = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))

        ori_width, ori_height = ImageHelper.get_size(ori_image)
        ori_img_bgr = ImageHelper.get_cv2_bgr(ori_image,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))
        heatmap_avg = np.zeros(
            (ori_height, ori_width, self.configer.get('network',
                                                      'heatmap_out')))
        for i, scale in enumerate(self.configer.get('test', 'scale_search')):
            image = self.blob_helper.make_input(ori_image,
                                                input_size=self.configer.get(
                                                    'test', 'input_size'),
                                                scale=scale)
            with torch.no_grad():
                heatmap_out_list = self.pose_net(image)
                heatmap_out = heatmap_out_list[-1]

                # extract outputs, resize, and remove padding
                heatmap = heatmap_out.squeeze(0).cpu().numpy().transpose(
                    1, 2, 0)
                heatmap = cv2.resize(heatmap, (ori_width, ori_height),
                                     interpolation=cv2.INTER_CUBIC)

                heatmap_avg = heatmap_avg + heatmap / len(
                    self.configer.get('test', 'scale_search'))

        all_peaks = self.__extract_heatmap_info(heatmap_avg)
        image_canvas = self.__draw_key_point(all_peaks, ori_img_bgr)
        ImageHelper.save(image_canvas, save_path)

    def __extract_heatmap_info(self, heatmap_avg):
        all_peaks = []

        for part in range(self.configer.get('network', 'heatmap_out') - 1):
            map_ori = heatmap_avg[:, :, part]
            map_gau = gaussian_filter(map_ori, sigma=3)

            map_left = np.zeros(map_gau.shape)
            map_left[1:, :] = map_gau[:-1, :]
            map_right = np.zeros(map_gau.shape)
            map_right[:-1, :] = map_gau[1:, :]
            map_up = np.zeros(map_gau.shape)
            map_up[:, 1:] = map_gau[:, :-1]
            map_down = np.zeros(map_gau.shape)
            map_down[:, :-1] = map_gau[:, 1:]

            peaks_binary = np.logical_and.reduce(
                (map_gau >= map_left, map_gau >= map_right, map_gau >= map_up,
                 map_gau >= map_down,
                 map_gau > self.configer.get('vis', 'part_threshold')))

            peaks = zip(
                np.nonzero(peaks_binary)[1],
                np.nonzero(peaks_binary)[0])  # note reverse
            peaks = list(peaks)
            peaks_with_score = [x + (map_ori[x[1], x[0]], ) for x in peaks]

            all_peaks.append(peaks_with_score)

        return all_peaks

    def __draw_key_point(self, all_peaks, img_raw):
        img_canvas = img_raw.copy()  # B,G,R order

        for i in range(self.configer.get('network', 'heatmap_out') - 1):
            for j in range(len(all_peaks[i])):
                cv2.circle(img_canvas,
                           all_peaks[i][j][0:2],
                           self.configer.get('vis', 'stick_width'),
                           self.configer.get('details', 'color_list')[i],
                           thickness=-1)

        return img_canvas

    def debug(self, vis_dir):

        for i, data_dict in enumerate(self.pose_data_loader.get_trainloader()):
            inputs = data_dict['img']
            heatmap = data_dict['heatmap']

            for j in range(inputs.size(0)):
                image_bgr = self.blob_helper.tensor2bgr(inputs[j])
                heatmap_avg = heatmap[j].numpy().transpose(1, 2, 0)
                heatmap_avg = cv2.resize(
                    heatmap_avg, (0, 0),
                    fx=self.configer.get('network', 'stride'),
                    fy=self.configer.get('network', 'stride'),
                    interpolation=cv2.INTER_CUBIC)
                all_peaks = self.__extract_heatmap_info(heatmap_avg)
                image_save = self.__draw_key_point(all_peaks, image_bgr)
                cv2.imwrite(
                    os.path.join(vis_dir, '{}_{}_result.jpg'.format(i, j)),
                    image_save)
Example #7
0
class FCClassifierTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.cls_model_manager = ClsModelManager(configer)
        self.cls_data_loader = ClsDataLoader(configer)
        self.module_utilizer = ModuleUtilizer(configer)
        self.cls_parser = ClsParser(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.cls_net = None
        if self.configer.get('dataset') == 'imagenet':
            with open(
                    os.path.join(
                        self.configer.get('project_dir'),
                        'datasets/cls/imagenet/imagenet_class_index.json')
            ) as json_stream:
                name_dict = json.load(json_stream)
                name_seq = [
                    name_dict[str(i)][1]
                    for i in range(self.configer.get('data', 'num_classes'))
                ]
                self.configer.add_key_value(['details', 'name_seq'], name_seq)

        self._init_model()

    def _init_model(self):
        self.cls_net = self.cls_model_manager.image_classifier()
        self.cls_net = self.module_utilizer.load_net(self.cls_net)
        self.cls_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        img = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))

        trans = None
        if self.configer.get('dataset') == 'imagenet':
            if self.configer.get('data', 'image_tool') == 'cv2':
                img = Image.fromarray(img)

            trans = transforms.Compose([
                transforms.Scale(256),
                transforms.CenterCrop(224),
            ])

        assert trans is not None
        img = trans(img)

        ori_img_bgr = ImageHelper.get_cv2_bgr(img,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))

        inputs = self.blob_helper.make_input(img,
                                             input_size=self.configer.get(
                                                 'test', 'input_size'),
                                             scale=1.0)

        with torch.no_grad():
            outputs = self.cls_net(inputs)

        json_dict = self.__get_info_tree(outputs, image_path)

        image_canvas = self.cls_parser.draw_label(ori_img_bgr.copy(),
                                                  json_dict['label'])
        cv2.imwrite(vis_path, image_canvas)
        cv2.imwrite(raw_path, ori_img_bgr)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    def __get_info_tree(self, outputs, image_path=None):
        json_dict = dict()
        if image_path is not None:
            json_dict['image_path'] = image_path

        topk = (1, 3, 5)
        maxk = max(topk)

        _, pred = outputs.topk(maxk, 1, True, True)
        pred = pred.t()
        for k in topk:
            if k == 1:
                json_dict['label'] = pred[0][0]

            else:
                json_dict['label_top{}'.format(k)] = pred[0][:k]

        return json_dict

    def test(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'val/results/cls',
                                self.configer.get('dataset'))

        test_img = self.configer.get('test_img')
        test_dir = self.configer.get('test_dir')
        if test_img is None and test_dir is None:
            Log.error('test_img & test_dir not exists.')
            exit(1)

        if test_img is not None and test_dir is not None:
            Log.error('Either test_img or test_dir.')
            exit(1)

        if test_img is not None:
            base_dir = os.path.join(base_dir, 'test_img')
            filename = test_img.rstrip().split('/')[-1]
            json_path = os.path.join(
                base_dir, 'json',
                '{}.json'.format('.'.join(filename.split('.')[:-1])))
            raw_path = os.path.join(base_dir, 'raw', filename)
            vis_path = os.path.join(
                base_dir, 'vis',
                '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
            FileHelper.make_dirs(json_path, is_file=True)
            FileHelper.make_dirs(raw_path, is_file=True)
            FileHelper.make_dirs(vis_path, is_file=True)

            self.__test_img(test_img, json_path, raw_path, vis_path)

        else:
            base_dir = os.path.join(base_dir, 'test_dir',
                                    test_dir.rstrip('/').split('/')[-1])
            FileHelper.make_dirs(base_dir)

            for filename in FileHelper.list_dir(test_dir):
                image_path = os.path.join(test_dir, filename)
                json_path = os.path.join(
                    base_dir, 'json',
                    '{}.json'.format('.'.join(filename.split('.')[:-1])))
                raw_path = os.path.join(base_dir, 'raw', filename)
                vis_path = os.path.join(
                    base_dir, 'vis',
                    '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
                FileHelper.make_dirs(json_path, is_file=True)
                FileHelper.make_dirs(raw_path, is_file=True)
                FileHelper.make_dirs(vis_path, is_file=True)

                self.__test_img(image_path, json_path, raw_path, vis_path)

    def debug(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'vis/results/cls',
                                self.configer.get('dataset'), 'debug')

        if not os.path.exists(base_dir):
            os.makedirs(base_dir)

        count = 0
        for i, data_dict in enumerate(self.cls_data_loader.get_trainloader()):
            inputs = data_dict['img']
            labels = data_dict['label']
            eye_matrix = torch.eye(self.configer.get('data', 'num_classes'))
            labels_target = eye_matrix[labels.view(-1)].view(
                inputs.size(0), self.configer.get('data', 'num_classes'))

            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(inputs[j])

                json_dict = self.__get_info_tree(labels_target)
                image_canvas = self.cls_parser.draw_label(
                    ori_img_bgr.copy(), json_dict['label'])

                cv2.imwrite(
                    os.path.join(base_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
Example #8
0
class FastRCNNTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.det_visualizer = DetVisualizer(configer)
        self.det_parser = DetParser(configer)
        self.det_model_manager = DetModelManager(configer)
        self.det_data_loader = DataLoader(configer)
        self.roi_sampler = FRROISampler(configer)
        self.rpn_target_generator = RPNTargetAssigner(configer)
        self.fr_priorbox_layer = FRPriorBoxLayer(configer)
        self.fr_roi_generator = FRROIGenerator(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.det_net = None

        self._init_model()

    def _init_model(self):
        self.det_net = self.det_model_manager.object_detector()
        self.det_net = RunnerHelper.load_net(self, self.det_net)
        self.det_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        image = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))
        ori_img_bgr = ImageHelper.get_cv2_bgr(image,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))
        width, height = ImageHelper.get_size(image)
        scale1 = self.configer.get('test', 'resize_bound')[0] / min(
            width, height)
        scale2 = self.configer.get('test', 'resize_bound')[1] / max(
            width, height)
        scale = min(scale1, scale2)
        inputs = self.blob_helper.make_input(image, scale=scale)
        b, c, h, w = inputs.size()
        border_wh = [w, h]
        if self.configer.exists('test', 'fit_stride'):
            stride = self.configer.get('test', 'fit_stride')

            pad_w = 0 if (w % stride == 0) else stride - (w % stride)  # right
            pad_h = 0 if (h % stride == 0) else stride - (h % stride)  # down

            expand_image = torch.zeros(
                (b, c, h + pad_h, w + pad_w)).to(inputs.device)
            expand_image[:, :, 0:h, 0:w] = inputs
            inputs = expand_image

        data_dict = dict(
            img=inputs,
            meta=DataContainer([[
                dict(ori_img_size=ImageHelper.get_size(ori_img_bgr),
                     aug_img_size=border_wh,
                     img_scale=scale,
                     input_size=[inputs.size(3),
                                 inputs.size(2)])
            ]],
                               cpu_only=True))

        with torch.no_grad():
            # Forward pass.
            test_group = self.det_net(data_dict)

            test_indices_and_rois, test_roi_locs, test_roi_scores, test_rois_num = test_group

        batch_detections = self.decode(test_roi_locs, test_roi_scores,
                                       test_indices_and_rois, test_rois_num,
                                       self.configer,
                                       DCHelper.tolist(data_dict['meta']))
        json_dict = self.__get_info_tree(batch_detections[0],
                                         ori_img_bgr,
                                         scale=scale)

        image_canvas = self.det_parser.draw_bboxes(
            ori_img_bgr.copy(),
            json_dict,
            conf_threshold=self.configer.get('res', 'vis_conf_thre'))
        cv2.imwrite(vis_path, image_canvas)
        cv2.imwrite(raw_path, ori_img_bgr)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    @staticmethod
    def decode(roi_locs, roi_scores, indices_and_rois, test_rois_num, configer,
               metas):
        indices_and_rois = indices_and_rois
        num_classes = configer.get('data', 'num_classes')
        mean = torch.Tensor(configer.get(
            'roi', 'loc_normalize_mean')).repeat(num_classes)[None]
        std = torch.Tensor(configer.get(
            'roi', 'loc_normalize_std')).repeat(num_classes)[None]
        mean = mean.to(roi_locs.device)
        std = std.to(roi_locs.device)

        roi_locs = (roi_locs * std + mean)
        roi_locs = roi_locs.contiguous().view(-1, num_classes, 4)
        # roi_locs = roi_locs[:,:, [1, 0, 3, 2]]

        rois = indices_and_rois[:, 1:]
        rois = rois.contiguous().view(-1, 1, 4).expand_as(roi_locs)
        wh = torch.exp(roi_locs[:, :, 2:]) * (rois[:, :, 2:] - rois[:, :, :2])
        cxcy = roi_locs[:, :, :2] * (rois[:, :, 2:] - rois[:, :, :2]) + (
            rois[:, :, :2] + rois[:, :, 2:]) / 2
        dst_bbox = torch.cat([cxcy - wh / 2, cxcy + wh / 2], 2)  # [b, 8732,4]

        if configer.get('phase') != 'debug':
            cls_prob = F.softmax(roi_scores, dim=1)
        else:
            cls_prob = roi_scores

        cls_label = torch.LongTensor([i for i in range(num_classes)])\
            .contiguous().view(1, num_classes).repeat(indices_and_rois.size(0), 1).to(roi_locs.device)

        output = [None for _ in range(test_rois_num.size(0))]
        start_index = 0
        for i in range(test_rois_num.size(0)):
            # batch_index = (indices_and_rois[:, 0] == i).nonzero().contiguous().view(-1,)
            # tmp_dst_bbox = dst_bbox[batch_index]
            # tmp_cls_prob = cls_prob[batch_index]
            # tmp_cls_label = cls_label[batch_index]
            tmp_dst_bbox = dst_bbox[start_index:start_index + test_rois_num[i]]
            # clip bounding box
            tmp_dst_bbox[:, :, 0::2] = tmp_dst_bbox[:, :, 0::2].clamp(
                min=0, max=metas[i]['border_size'][0] - 1)
            tmp_dst_bbox[:, :, 1::2] = tmp_dst_bbox[:, :, 1::2].clamp(
                min=0, max=metas[i]['border_size'][1] - 1)

            tmp_cls_prob = cls_prob[start_index:start_index + test_rois_num[i]]
            tmp_cls_label = cls_label[start_index:start_index +
                                      test_rois_num[i]]
            start_index += test_rois_num[i]

            mask = (tmp_cls_prob > configer.get(
                'res', 'val_conf_thre')) & (tmp_cls_label > 0)

            tmp_dst_bbox = tmp_dst_bbox[mask].contiguous().view(-1, 4)
            if tmp_dst_bbox.numel() == 0:
                continue

            tmp_cls_prob = tmp_cls_prob[mask].contiguous().view(
                -1, ).unsqueeze(1)
            tmp_cls_label = tmp_cls_label[mask].contiguous().view(
                -1, ).unsqueeze(1)

            valid_preds = torch.cat(
                (tmp_dst_bbox, tmp_cls_prob.float(), tmp_cls_label.float()), 1)

            output[i] = DetHelper.cls_nms(valid_preds,
                                          labels=valid_preds[:, 5],
                                          max_threshold=configer.get(
                                              'nms', 'max_threshold'))

        return output

    def __get_info_tree(self, detections, image_raw, scale=1.0):
        height, width, _ = image_raw.shape
        json_dict = dict()
        object_list = list()
        if detections is not None:
            for x1, y1, x2, y2, conf, cls_pred in detections:
                object_dict = dict()
                xmin = min(x1.cpu().item() / scale, width - 1)
                ymin = min(y1.cpu().item() / scale, height - 1)
                xmax = min(x2.cpu().item() / scale, width - 1)
                ymax = min(y2.cpu().item() / scale, height - 1)
                object_dict['bbox'] = [xmin, ymin, xmax, ymax]
                object_dict['label'] = int(cls_pred.cpu().item()) - 1
                object_dict['score'] = float('%.2f' % conf.cpu().item())

                object_list.append(object_dict)

        json_dict['objects'] = object_list

        return json_dict

    def debug(self, vis_dir):
        count = 0
        for i, data_dict in enumerate(self.det_data_loader.get_trainloader()):
            feat_list = list()
            input_size = data_dict['meta'][0]['input_size']
            for stride in self.configer.get('rpn', 'stride_list'):
                feat_list.append(
                    torch.zeros(
                        (data_dict['img'].size(0), 1, input_size[1] // stride,
                         input_size[0] // stride)))

            gt_rpn_locs, gt_rpn_labels = self.rpn_target_generator(
                feat_list, data_dict['bboxes'], data_dict['meta'])
            eye_matrix = torch.eye(2)
            gt_rpn_labels[gt_rpn_labels == -1] = 0
            gt_rpn_scores = eye_matrix[gt_rpn_labels.view(-1)].view(
                data_dict['img'].size(0), -1, 2)
            test_indices_and_rois, _ = self.fr_roi_generator(
                feat_list, gt_rpn_locs, gt_rpn_scores,
                self.configer.get('rpn', 'n_test_pre_nms'),
                self.configer.get('rpn', 'n_test_post_nms'), data_dict['meta'])

            sample_rois, gt_roi_locs, gt_roi_labels = self.roi_sampler(
                test_indices_and_rois, data_dict['bboxes'],
                data_dict['labels'], data_dict['meta'])

            self.det_visualizer.vis_rois(data_dict['img'],
                                         sample_rois[gt_roi_labels > 0])
            gt_cls_roi_locs = torch.zeros(
                (gt_roi_locs.size(0), self.configer.get('data',
                                                        'num_classes'), 4))
            gt_cls_roi_locs[torch.arange(0, sample_rois.size(0)).long(),
                            gt_roi_labels.long()] = gt_roi_locs
            gt_cls_roi_locs = gt_cls_roi_locs.contiguous().view(
                -1, 4 * self.configer.get('data', 'num_classes'))
            eye_matrix = torch.eye(self.configer.get('data', 'num_classes'))

            gt_roi_scores = eye_matrix[gt_roi_labels.view(-1)].view(
                gt_roi_labels.size(0),
                self.configer.get('data', 'num_classes'))
            test_rois_num = torch.zeros((len(data_dict['bboxes']), )).long()
            for batch_id in range(len(data_dict['bboxes'])):
                batch_index = (
                    sample_rois[:, 0] == batch_id).nonzero().contiguous().view(
                        -1, )
                test_rois_num[batch_id] = batch_index.numel()

            batch_detections = FastRCNNTest.decode(gt_cls_roi_locs,
                                                   gt_roi_scores, sample_rois,
                                                   test_rois_num,
                                                   self.configer,
                                                   data_dict['meta'])

            for j in range(data_dict['img'].size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(data_dict['img'][j])

                self.det_visualizer.vis_default_bboxes(
                    ori_img_bgr, self.fr_priorbox_layer(feat_list, input_size),
                    gt_rpn_labels[j])
                json_dict = self.__get_info_tree(batch_detections[j],
                                                 ori_img_bgr)
                image_canvas = self.det_parser.draw_bboxes(
                    ori_img_bgr.copy(),
                    json_dict,
                    conf_threshold=self.configer.get('res', 'vis_conf_thre'))

                cv2.imwrite(
                    os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
Example #9
0
class FCNSegmentorTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.seg_visualizer = SegVisualizer(configer)
        self.seg_parser = SegParser(configer)
        self.seg_model_manager = SegModelManager(configer)
        self.seg_data_loader = SegDataLoader(configer)
        self.module_utilizer = ModuleUtilizer(configer)
        self.data_transformer = DataTransformer(configer)
        self.device = torch.device('cpu' if self.configer.get('gpu') is None else 'cuda')
        self.seg_net = None

        self._init_model()

    def _init_model(self):
        self.seg_net = self.seg_model_manager.semantic_segmentor()
        self.seg_net = self.module_utilizer.load_net(self.seg_net)
        self.seg_net.eval()

    def __test_img(self, image_path, label_path, vis_path, raw_path):
        Log.info('Image Path: {}'.format(image_path))
        ori_image = ImageHelper.read_image(image_path,
                                           tool=self.configer.get('data', 'image_tool'),
                                           mode=self.configer.get('data', 'input_mode'))

        ori_width, ori_height = ImageHelper.get_size(ori_image)

        total_logits = np.zeros((ori_height, ori_width, self.configer.get('data', 'num_classes')), np.float32)
        for scale in self.configer.get('test', 'scale_search'):
            image = self.blob_helper.make_input(image=ori_image,
                                                input_size=self.configer.get('test', 'input_size'),
                                                scale=scale)
            if self.configer.get('test', 'crop_test'):
                crop_size = self.configer.get('test', 'crop_size')
                if image.size()[3] > crop_size[0] and image.size()[2] > crop_size[1]:
                    results = self._crop_predict(image, crop_size)
                else:
                    results = self._predict(image)
            else:
                results = self._predict(image)

            results = cv2.resize(results, (ori_width, ori_height), interpolation=cv2.INTER_LINEAR)
            total_logits += results

        if self.configer.get('test', 'mirror'):
            if self.configer.get('data', 'image_tool') == 'cv2':
                image = cv2.flip(ori_image, 1)
            else:
                image = ori_image.transpose(Image.FLIP_LEFT_RIGHT)

            image = self.blob_helper.make_input(image, input_size=self.configer.get('test', 'input_size'), scale=1.0)
            if self.configer.get('test', 'crop_test'):
                crop_size = self.configer.get('test', 'crop_size')
                if image.size()[3] > crop_size[0] and image.size()[2] > crop_size[1]:
                    results = self._crop_predict(image, crop_size)
                else:
                    results = self._predict(image)
            else:
                results = self._predict(image)

            results = cv2.resize(results[:, ::-1], (ori_width, ori_height), interpolation=cv2.INTER_LINEAR)
            total_logits += results

        label_map = np.argmax(total_logits, axis=-1)
        label_img = np.array(label_map, dtype=np.uint8)
        image_bgr = cv2.cvtColor(np.array(ori_image), cv2.COLOR_RGB2BGR)
        image_canvas = self.seg_parser.colorize(label_img, image_canvas=image_bgr)
        ImageHelper.save(image_canvas, save_path=vis_path)
        ImageHelper.save(ori_image, save_path=raw_path)

        if not self.configer.is_empty('data', 'label_list'):
            label_img = self.__relabel(label_img)

        label_img = Image.fromarray(label_img, 'P')
        Log.info('Label Path: {}'.format(label_path))
        ImageHelper.save(label_img, label_path)

    def _crop_predict(self, image, crop_size):
        height, width = image.size()[2:]
        np_image = image.squeeze(0).permute(1, 2, 0).cpu().numpy()
        height_starts = self._decide_intersection(height, crop_size[1])
        width_starts = self._decide_intersection(width, crop_size[0])
        split_crops = []
        for height in height_starts:
            for width in width_starts:
                image_crop = np_image[height:height + crop_size[1], width:width + crop_size[0]]
                split_crops.append(image_crop[np.newaxis, :])

        split_crops = np.concatenate(split_crops, axis=0)  # (n, crop_image_size, crop_image_size, 3)
        inputs = torch.from_numpy(split_crops).permute(0, 3, 1, 2).to(self.device)
        with torch.no_grad():
            results = self.seg_net.forward(inputs)
            results = results[0].permute(0, 2, 3, 1).cpu().numpy()

        reassemble = np.zeros((np_image.shape[0], np_image.shape[1], results.shape[-1]), np.float32)
        index = 0
        for height in height_starts:
            for width in width_starts:
                reassemble[height:height+crop_size[1], width:width+crop_size[0]] += results[index]
                index += 1

        return reassemble

    def _decide_intersection(self, total_length, crop_length):
        stride = int(crop_length * self.configer.get('test', 'crop_stride_ratio'))            # set the stride as the paper do
        times = (total_length - crop_length) // stride + 1
        cropped_starting = []
        for i in range(times):
            cropped_starting.append(stride*i)

        if total_length - cropped_starting[-1] > crop_length:
            cropped_starting.append(total_length - crop_length)  # must cover the total image

        return cropped_starting

    def _predict(self, inputs):
        with torch.no_grad():
            results = self.seg_net.forward(inputs)
            results = results[0].squeeze().permute(1, 2, 0).cpu().numpy()

        return results

    def __relabel(self, label_map):
        height, width = label_map.shape
        label_dst = np.zeros((height, width), dtype=np.uint8)
        for i in range(self.configer.get('data', 'num_classes')):
            label_dst[label_map == i] = self.configer.get('data', 'label_list')[i]

        label_dst = np.array(label_dst, dtype=np.uint8)

        return label_dst

    def test(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'val/results/seg', self.configer.get('dataset'))

        test_img = self.configer.get('test_img')
        test_dir = self.configer.get('test_dir')
        if test_img is None and test_dir is None:
            Log.error('test_img & test_dir not exists.')
            exit(1)

        if test_img is not None and test_dir is not None:
            Log.error('Either test_img or test_dir.')
            exit(1)

        if test_img is not None:
            base_dir = os.path.join(base_dir, 'test_img')
            filename = test_img.rstrip().split('/')[-1]
            label_path = os.path.join(base_dir, 'label', '{}.png'.format('.'.join(filename.split('.')[:-1])))
            raw_path = os.path.join(base_dir, 'raw', filename)
            vis_path = os.path.join(base_dir, 'vis', '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
            FileHelper.make_dirs(label_path, is_file=True)
            FileHelper.make_dirs(raw_path, is_file=True)
            FileHelper.make_dirs(vis_path, is_file=True)

            self.__test_img(test_img, label_path, vis_path, raw_path)

        else:
            base_dir = os.path.join(base_dir, 'test_dir', test_dir.rstrip('/').split('/')[-1])
            FileHelper.make_dirs(base_dir)

            for filename in FileHelper.list_dir(test_dir):
                image_path = os.path.join(test_dir, filename)
                label_path = os.path.join(base_dir, 'label', '{}.png'.format('.'.join(filename.split('.')[:-1])))
                raw_path = os.path.join(base_dir, 'raw', filename)
                vis_path = os.path.join(base_dir, 'vis', '{}_vis.png'.format('.'.join(filename.split('.')[:-1])))
                FileHelper.make_dirs(label_path, is_file=True)
                FileHelper.make_dirs(raw_path, is_file=True)
                FileHelper.make_dirs(vis_path, is_file=True)

                self.__test_img(image_path, label_path, vis_path, raw_path)

    def debug(self):
        base_dir = os.path.join(self.configer.get('project_dir'),
                                'vis/results/seg', self.configer.get('dataset'), 'debug')

        if not os.path.exists(base_dir):
            os.makedirs(base_dir)

        count = 0
        for i, data_dict in enumerate(self.seg_data_loader.get_trainloader()):
            inputs = data_dict['img']
            targets = data_dict['labelmap']
            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                image_bgr = self.blob_helper.tensor2bgr(inputs[j])
                label_map = targets[j].numpy()
                image_canvas = self.seg_parser.colorize(label_map, image_canvas=image_bgr)
                cv2.imwrite(os.path.join(base_dir, '{}_{}_vis.png'.format(i, j)), image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()
class FCClassifierTest(object):
    def __init__(self, configer):
        self.configer = configer
        self.blob_helper = BlobHelper(configer)
        self.cls_model_manager = ClsModelManager(configer)
        self.cls_data_loader = DataLoader(configer)
        self.cls_parser = ClsParser(configer)
        self.device = torch.device(
            'cpu' if self.configer.get('gpu') is None else 'cuda')
        self.cls_net = None
        if self.configer.get('dataset') == 'imagenet':
            with open(
                    os.path.join(
                        self.configer.get('project_dir'),
                        'datasets/cls/imagenet/imagenet_class_index.json')
            ) as json_stream:
                name_dict = json.load(json_stream)
                name_seq = [
                    name_dict[str(i)][1]
                    for i in range(self.configer.get('data', 'num_classes'))
                ]
                self.configer.add(['details', 'name_seq'], name_seq)

        self._init_model()

    def _init_model(self):
        self.cls_net = self.cls_model_manager.image_classifier()
        self.cls_net = RunnerHelper.load_net(self, self.cls_net)
        self.cls_net.eval()

    def __test_img(self, image_path, json_path, raw_path, vis_path):
        Log.info('Image Path: {}'.format(image_path))
        img = ImageHelper.read_image(
            image_path,
            tool=self.configer.get('data', 'image_tool'),
            mode=self.configer.get('data', 'input_mode'))

        trans = None
        if self.configer.get('dataset') == 'imagenet':
            if self.configer.get('data', 'image_tool') == 'cv2':
                img = Image.fromarray(img)

            trans = transforms.Compose([
                transforms.Scale(256),
                transforms.CenterCrop(224),
            ])

        assert trans is not None
        img = trans(img)

        ori_img_bgr = ImageHelper.get_cv2_bgr(img,
                                              mode=self.configer.get(
                                                  'data', 'input_mode'))

        inputs = self.blob_helper.make_input(img,
                                             input_size=self.configer.get(
                                                 'test', 'input_size'),
                                             scale=1.0)

        with torch.no_grad():
            outputs = self.cls_net(inputs)

        json_dict = self.__get_info_tree(outputs, image_path)

        image_canvas = self.cls_parser.draw_label(ori_img_bgr.copy(),
                                                  json_dict['label'])
        cv2.imwrite(vis_path, image_canvas)
        cv2.imwrite(raw_path, ori_img_bgr)

        Log.info('Json Path: {}'.format(json_path))
        JsonHelper.save_file(json_dict, json_path)
        return json_dict

    def __get_info_tree(self, outputs, image_path=None):
        json_dict = dict()
        if image_path is not None:
            json_dict['image_path'] = image_path

        topk = (1, 3, 5)
        maxk = max(topk)

        _, pred = outputs.topk(maxk, 0, True, True)
        for k in topk:
            if k == 1:
                json_dict['label'] = pred[0]

            else:
                json_dict['label_top{}'.format(k)] = pred[:k]

        return json_dict

    def debug(self, vis_dir):
        count = 0
        for i, data_dict in enumerate(self.cls_data_loader.get_trainloader()):
            inputs = data_dict['img']
            labels = data_dict['label']
            eye_matrix = torch.eye(self.configer.get('data', 'num_classes'))
            labels_target = eye_matrix[labels.view(-1)].view(
                inputs.size(0), self.configer.get('data', 'num_classes'))

            for j in range(inputs.size(0)):
                count = count + 1
                if count > 20:
                    exit(1)

                ori_img_bgr = self.blob_helper.tensor2bgr(inputs[j])

                json_dict = self.__get_info_tree(labels_target[j])
                image_canvas = self.cls_parser.draw_label(
                    ori_img_bgr.copy(), json_dict['label'])

                cv2.imwrite(
                    os.path.join(vis_dir, '{}_{}_vis.png'.format(i, j)),
                    image_canvas)
                cv2.imshow('main', image_canvas)
                cv2.waitKey()