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Open Source Computer Vision Library
https://opencv.org/
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37 lines
748 B
37 lines
748 B
13 years ago
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'''
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MSER detector demo
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==================
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Usage:
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------
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mser.py [<video source>]
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Keys:
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-----
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ESC - exit
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'''
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import numpy as np
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import cv2
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import video
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if __name__ == '__main__':
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import sys
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try: video_src = sys.argv[1]
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except: video_src = 0
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cam = video.create_capture(video_src)
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mser = cv2.MSER()
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while True:
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ret, img = cam.read()
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gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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vis = img.copy()
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regions = mser.detect(gray, None)
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hulls = [cv2.convexHull(p.reshape(-1, 1, 2)) for p in regions]
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cv2.polylines(vis, hulls, 1, (0, 255, 0))
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cv2.imshow('img', vis)
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if cv2.waitKey(5) == 27:
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break
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