Exemplo n.º 1
0
    def get_item(self, idx):

        label_url = self.get_label_url(idx)
        ori_url = self.get_original_url(idx)
        src_url = self.get_src_url(idx)

        gt = cv2.imread(label_url, 0)
        ori = cv2.imread(ori_url, 0)
        src = cv2.imread(src_url)

        if src.shape[0] != self.resize or src.shape[1] != self.resize:
            src = imutils.resize(src, width=self.resize)
            src = src[:self.resize, :self.resize]  # ensure size

        if gt.shape[0] != self.resize or gt.shape[1] != self.resize:
            gt = imutils.resize(gt, width=self.resize)
            gt = gt[:self.resize, :self.resize]  # ensure size
            gt = ((gt > 0) * 255).astype(np.uint8)

        if ori.shape[0] != self.resize or ori.shape[1] != self.resize:

            ori = imutils.resize(ori, width=self.resize)
            ori = ori[:self.resize, :self.resize]  # ensure size

        gt = self.one2three(gt)

        obj = ObjectImageAndMaskTransform(src, gt.astype(np.float32) / 255)

        if self.transform:
            obj = self.transform(obj)
        obj = obj.to_dict()
        obj['ori'] = ori.astype(np.float32) / 255

        return obj
Exemplo n.º 2
0
    def __getitem__(self, idx):
        image, label = self.data[idx]
        image_t = utility.to_channels(image, ch=self.num_channels)
        label_t = np.zeros((label.shape[0], label.shape[1], 2))
        label_t[:, :, 0] = (label < 1)
        label_t[:, :, 1] = (label >= 1)

        obj = ObjectImageAndMaskTransform(image_t, label_t)
        if self.transform:
            obj = self.transform(obj)
        return obj.to_dict()
Exemplo n.º 3
0
    def __getitem__(self, idx):

        idx = idx % len(self.data)
        image, label = self.data[idx]
        image_t = utility.to_channels(image, ch=self.num_channels)

        label_t = (label > 127).astype(np.uint8)

        obj = ObjectImageAndMaskTransform(image_t, label_t)
        if self.transform:
            obj = self.transform(obj)
        return obj.to_dict()
Exemplo n.º 4
0
    def __getitem__(self, idx):

        idx = idx % len(self.data)
        image, label = self.data[idx]
        image_t = utility.to_channels(image, ch=self.num_channels)
        label_t = np.zeros_like(label)
        label_t[:, :, 0] = (label[..., 0] == 0)
        label_t[:, :, 1] = (label[..., 0] == 1)
        label_t[:, :, 2] = (label[..., 0] >= 2)

        obj = ObjectImageAndMaskTransform(image_t, label_t)
        if self.transform:
            obj = self.transform(obj)
        return obj.to_dict()
Exemplo n.º 5
0
    def __getitem__(self, idx):   

        idx = idx%len(self.data)
        image, mask = self.data[idx] 

        image_t = utility.to_channels(image, ch=self.num_channels )
        label_t = np.zeros( (mask.shape[0], mask.shape[1], 2) )
        label_t[:,:,0] = (mask < 0)
        label_t[:,:,1] = (mask > 0)

        obj = ObjectImageAndMaskTransform( image_t, label_t  )
        if self.transform: 
            sample = self.transform( obj )

        return obj.to_dict()
Exemplo n.º 6
0
    def __getitem__(self, idx):

        idx = idx % len(self.data)
        image, label, contours = self.data[idx]
        image_t = utility.to_channels(image, ch=self.num_channels)

        label_t = np.zeros((label.shape[0], label.shape[1], 3))
        label_t[:, :, 0] = (label < 128)
        label_t[:, :, 1] = (label > 128)
        label_t[:, :, 2] = (contours > 128)

        obj = ObjectImageAndMaskTransform(image_t, label_t)
        if self.transform:
            obj = self.transform(obj)
        return obj.to_dict()
Exemplo n.º 7
0
    def __getitem__(self, idx):

        idx = idx % len(self.data)
        data = self.data[idx]

        if self.use_weight:
            image, label, weight = data
        elif self.load_segments:
            image, label, segs = data
            if self.shuffle_segments:
                segs = segs[..., np.random.permutation(segs.shape[-1])]
        else:
            image, label = data

        image_t = utility.to_channels(image, ch=self.num_channels)

        label = to_one_hot(label, self.num_classes)

        if self.use_weight:
            obj = ObjectImageMaskAndWeightTransform(image_t, label, weight)
        elif self.load_segments:
            obj = ObjectImageMaskAndSegmentationsTransform(
                image_t, label, segs)
        else:
            obj = ObjectImageAndMaskTransform(image_t, label)

        if self.transform:
            obj = self.transform(obj)

        obj = obj.to_dict()
        obj['segment'] = preprocessing.apply_preprocessing(
            obj['segment'], self.middle_proc)

        if self.load_segments:  ## Warring!
            axis = np.argmin(obj['segment'].shape)

            if self.use_ori:
                if self.transform:
                    inputs = torch.cat((obj['image'], obj['segment']),
                                       dim=axis)
                else:
                    inputs = np.concatenate((obj['image'], obj['segment']),
                                            axis=axis)
                obj['image'] = inputs

            else:
                obj['image'] = obj['segment']

            obj.pop('segment')

        return obj
Exemplo n.º 8
0
    def __getitem__(self, idx):

        idx = idx % len(self.data)
        data = self.data[idx]
        if self.use_weight:
            image, label, weight = data
        else:
            image, label = data

        label = (label == 255).astype(float)  # 1024, 1024, 3, max= 1

        # image: 1024, 1024, 3, max = 255
        image_t = utility.to_channels(image, ch=self.num_channels)
        # image_t: 1024, 1024, 3, max = 255

        if self.use_weight:
            obj = ObjectImageMaskAndWeightTransform(image_t, label, weight)
        else:
            obj = ObjectImageAndMaskTransform(image_t, label)

        if self.transform:
            obj = self.transform(obj)
        return obj.to_dict()