Example #1
0
def main():
    args = parse_args()

    print('Loading ground truth and results information')
    gt_load_func = getattr(bt.datasets, 'load_' + args.gt_type)
    res_load_func = getattr(bt.datasets, 'load_' + args.res_type)
    gt_infos, gt_cls = gt_load_func(img_dir=args.img_dir,
                                    ann_dir=args.gt_ann_dir,
                                    classes=args.classes,
                                    nproc=args.nproc)
    res_infos, res_cls = res_load_func(img_dir=args.img_dir,
                                       ann_dir=args.res_ann_dir,
                                       classes=args.classes,
                                       nproc=args.nproc)
    bt.change_cls_order(res_infos, res_cls, gt_cls)

    print('Parsing ground truth and results information')
    id_mapper = {info['id']: i for i, info in enumerate(res_infos)}
    gts, res = [], []
    for gt_info in gt_infos:
        img_id = gt_info['id']
        res_info = res_infos[id_mapper[img_id]]
        assert 'scores' in res_info['ann'], \
                "f{args.res_type} don't have scores information"

        res_bboxes = res_info['ann']['bboxes']
        res_labels = res_info['ann']['labels']
        res_scores = res_info['ann']['scores']
        res_dets = np.concatenate([res_bboxes, res_scores[..., None]], axis=1)
        res_dets = [res_dets[res_labels == i] for i in range(len(gt_cls))]
        res.append(res_dets)

        gt_bboxes = gt_info['ann']['bboxes']
        gt_labels = gt_info['ann']['labels']
        diffs = gt_info['ann'].get('diffs',
                                   np.zeros(gt_bboxes.shape[0], dtype=np.int))
        gt_ann = {}
        if args.ign_diff > 0:
            gt_ann['bboxes_ignore'] = gt_bboxes[diffs == 1]
            gt_ann['labels_ignore'] = gt_labels[diffs == 1]
            gt_bboxes = gt_bboxes[diffs == 0]
            gt_labels = gt_labels[diffs == 0]
        gt_ann['bboxes'] = gt_bboxes
        gt_ann['labels'] = gt_labels
        gts.append(gt_ann)

    print('Starting calculating mAP')
    bt.eval_map(res,
                gts,
                iou_thr=args.iou_thr,
                use_07_metric=args.voc_metric == '07',
                nproc=args.nproc,
                dataset=gt_cls)
Example #2
0
 def get_subset_by_classes(self):
     bt.change_cls_order(self.data_infos, self.ori_CLASSES, self.CLASSES)
     return self.data_infos