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84 lines
2.6 KiB
84 lines
2.6 KiB
2 years ago
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import argparse
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from pathlib import Path
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import cv2
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import numpy as np
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from config import CLASSES, COLORS
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from models.utils import blob, det_postprocess, letterbox, path_to_list
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def main(args: argparse.Namespace) -> None:
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if args.method == 'cudart':
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from models.cudart_api import TRTEngine
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elif args.method == 'pycuda':
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from models.pycuda_api import TRTEngine
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else:
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raise NotImplementedError
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Engine = TRTEngine(args.engine)
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H, W = Engine.inp_info[0].shape[-2:]
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images = path_to_list(args.imgs)
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save_path = Path(args.out_dir)
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if not args.show and not save_path.exists():
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save_path.mkdir(parents=True, exist_ok=True)
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for image in images:
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save_image = save_path / image.name
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bgr = cv2.imread(str(image))
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draw = bgr.copy()
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bgr, ratio, dwdh = letterbox(bgr, (W, H))
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rgb = cv2.cvtColor(bgr, cv2.COLOR_BGR2RGB)
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tensor = blob(rgb, return_seg=False)
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dwdh = np.array(dwdh * 2, dtype=np.float32)
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tensor = np.ascontiguousarray(tensor)
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# inference
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data = Engine(tensor)
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bboxes, scores, labels = det_postprocess(data)
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bboxes -= dwdh
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bboxes /= ratio
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for (bbox, score, label) in zip(bboxes, scores, labels):
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bbox = bbox.round().astype(np.int32).tolist()
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cls_id = int(label)
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cls = CLASSES[cls_id]
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color = COLORS[cls]
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cv2.rectangle(draw, bbox[:2], bbox[2:], color, 2)
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cv2.putText(draw,
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f'{cls}:{score:.3f}', (bbox[0], bbox[1] - 2),
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cv2.FONT_HERSHEY_SIMPLEX,
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0.75, [225, 255, 255],
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thickness=2)
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if args.show:
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cv2.imshow('result', draw)
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cv2.waitKey(0)
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else:
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cv2.imwrite(str(save_image), draw)
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def parse_args():
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parser = argparse.ArgumentParser()
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parser.add_argument('--engine', type=str, help='Engine file')
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parser.add_argument('--imgs', type=str, help='Images file')
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parser.add_argument('--show',
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action='store_true',
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help='Show the detection results')
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parser.add_argument('--out-dir',
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type=str,
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default='./output',
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help='Path to output file')
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parser.add_argument('--method',
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type=str,
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default='cudart',
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help='CUDART pipeline')
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args = parser.parse_args()
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return args
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if __name__ == '__main__':
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args = parse_args()
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main(args)
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