Python apis.inference_detector方法代碼示例

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def main():
    parser = ArgumentParser()
    parser.add_argument('img', help='Image file')
    parser.add_argument('config', help='Config file')
    parser.add_argument('checkpoint', help='Checkpoint file')
    parser.add_argument(
        '--device', default='cuda:0', help='Device used for inference')
    parser.add_argument(
        '--score-thr', type=float, default=0.3, help='bbox score threshold')
    args = parser.parse_args()

    # build the model from a config file and a checkpoint file
    model = init_detector(args.config, args.checkpoint, device=args.device)
    # test a single image
    result = inference_detector(model, args.img)
    # show the results
    show_result_pyplot(model, args.img, result, score_thr=args.score_thr) 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def main():
    args = parse_args()

    device = torch.device(args.device)

    model = init_detector(args.config, args.checkpoint, device=device)

    camera = cv2.VideoCapture(args.camera_id)

    print('Press "Esc", "q" or "Q" to exit.')
    while True:
        ret_val, img = camera.read()
        result = inference_detector(model, img)

        ch = cv2.waitKey(1)
        if ch == 27 or ch == ord('q') or ch == ord('Q'):
            break

        model.show_result(
            img, result, score_thr=args.score_thr, wait_time=1, show=True) 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def main():
    args = parse_args()

    model = init_detector(
        args.config, args.checkpoint, device=torch.device('cuda', args.device))

    camera = cv2.VideoCapture(args.camera_id)

    print('Press "Esc", "q" or "Q" to exit.')
    while True:
        ret_val, img = camera.read()
        result = inference_detector(model, img)

        ch = cv2.waitKey(1)
        if ch == 27 or ch == ord('q') or ch == ord('Q'):
            break

        show_result(
            img, result, model.CLASSES, score_thr=args.score_thr, wait_time=1) 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def inference_model(
        images,
        detection_model,
        skeleton_model,
):
    batch_size = images.size()[0]
    skeleton_results = dict()
    # process each batch image by image
    for idx, b in enumerate(batch_size):
        # get person bboxes
        image = images[b, :, :, :]
        bbox_result = inference_detector(detection_model, image)
        from IPython import embed
        embed()
    #     person_bboxes = bbox_result_filter(bbox_result)
    #     # get skeleton estimation
    #     if person_bboxes.shape[0] > 0:
    #         image, meta = preprocess_skeleton_inputs(image, person_bboxes)
    #         skeleton_result, maxval= inference_twodimestimator(skeleton_model, image)
    #         skeleton_results[str(idx)] = skeleton_result
    # return skeleton_results 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def inference_single(self, imagname, slide_size, chip_size):
        img = mmcv.imread(imagname)
        height, width, channel = img.shape
        slide_h, slide_w = slide_size
        hn, wn = chip_size
        # TODO: check the corner case
        # import pdb; pdb.set_trace()
        total_detections = [np.zeros((0, 9)) for _ in range(len(self.classnames))]

        for i in tqdm(range(int(width / slide_w + 1))):
            for j in range(int(height / slide_h) + 1):
                subimg = np.zeros((hn, wn, channel))
                # print('i: ', i, 'j: ', j)
                chip = img[j*slide_h:j*slide_h + hn, i*slide_w:i*slide_w + wn, :3]
                subimg[:chip.shape[0], :chip.shape[1], :] = chip

                chip_detections = inference_detector(self.model, subimg)

                # print('result: ', result)
                for cls_id, name in enumerate(self.classnames):
                    chip_detections[cls_id][:, :8][:, ::2] = chip_detections[cls_id][:, :8][:, ::2] + i * slide_w
                    chip_detections[cls_id][:, :8][:, 1::2] = chip_detections[cls_id][:, :8][:, 1::2] + j * slide_h
                    # import pdb;pdb.set_trace()
                    try:
                        total_detections[cls_id] = np.concatenate((total_detections[cls_id], chip_detections[cls_id]))
                    except:
                        import pdb; pdb.set_trace()
        # nms
        for i in range(len(self.classnames)):
            keep = py_cpu_nms_poly_fast_np(total_detections[i], 0.1)
            total_detections[i] = total_detections[i][keep]
        return total_detections 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def main():
    args = parse_args()

    # build the model from a config file and a checkpoint file
    model = init_detector(args.config_file, args.checkpoint, device='cuda:0')

    # test a single image and show the results
    img = args.input
    result = inference_detector(model, img)

    # visualize the results in a new window
    # or save the visualization results to image files
    show_result(
        img, result, model.CLASSES, out_file=img.split('.')[0] + '_result.jpg') 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def main():
    args = parse_args()
    model = init_detector(args.config, args.checkpoint, device='cuda:0')
    result = inference_detector(model, args.input)
    result = result[:-1]  # ignore dummy
    show_result(
        args.input,
        result,
        CLASS_NAMES,
        show=False,
        out_file=args.output,
    ) 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def human_boxes_get(model, img, score_thr=0.5):
    if isinstance(img, str):
        img = mmcv.imread(img)
    result = inference_detector(model, img, cfg, device='cuda:0')
    bboxes, scores = re_result(result, score_thr=score_thr)
    return bboxes, scores 

# 需要導入模塊: from mmdet import apis [as 別名]
# 或者: from mmdet.apis import inference_detector [as 別名]
def worker(video_file, index, detection_cfg, skeleton_cfg, skeleon_data_cfg,
           device, result_queue):
    os.environ["CUDA_VISIBLE_DEVICES"] = str(device)
    video_frames = mmcv.VideoReader(video_file)

    # load model
    detection_model_file = detection_cfg.model_cfg
    detection_checkpoint_file = get_mmskeleton_url(
        detection_cfg.checkpoint_file)
    detection_model = init_detector(detection_model_file,
                                    detection_checkpoint_file,
                                    device='cpu')
    skeleton_model_file = skeleton_cfg.model_cfg
    skeletion_checkpoint_file = skeleton_cfg.checkpoint_file
    skeleton_model = init_twodimestimator(skeleton_model_file,
                                          skeletion_checkpoint_file,
                                          device='cpu')

    detection_model = detection_model.cuda()
    skeleton_model = skeleton_model.cuda()

    for idx in index:
        skeleton_result = dict()
        image = video_frames[idx]
        draw_image = image.copy()
        bbox_result = inference_detector(detection_model, image)

        person_bbox, labels = VideoDemo.bbox_filter(bbox_result,
                                                    detection_cfg.bbox_thre)

        if len(person_bbox) > 0:
            person, meta = VideoDemo.skeleton_preprocess(
                image[:, :, ::-1], person_bbox, skeleon_data_cfg)
            preds, maxvals = inference_twodimestimator(skeleton_model,
                                                       person.cuda(), meta,
                                                       True)
            results = VideoDemo.skeleton_postprocess(preds, maxvals, meta)
            if skeleon_data_cfg.save_video:
                file = os.path.join(skeleon_data_cfg.img_dir,
                                    '{}.png'.format(idx))
                mmcv.imshow_det_bboxes(draw_image,
                                       person_bbox,
                                       labels,
                                       detection_model.CLASSES,
                                       score_thr=detection_cfg.bbox_thre,
                                       show=False,
                                       wait_time=0)
                save(image, draw_image, results, file)

        else:
            preds, maxvals = None, None
            if skeleon_data_cfg.save_video:
                file = os.path.join(skeleon_data_cfg.img_dir,
                                    '{}.png'.format(idx))
                mmcv.imwrite(image, file)
        skeleton_result['frame_index'] = idx
        skeleton_result['position_preds'] = preds
        skeleton_result['position_maxvals'] = maxvals
        result_queue.put(skeleton_result)