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Open Source Computer Vision Library
https://opencv.org/
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42 lines
791 B
42 lines
791 B
#!/usr/bin/env python |
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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: |
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video_src = sys.argv[1] |
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except: |
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video_src = 0 |
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cam = video.create_capture(video_src) |
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mser = cv2.MSER_create() |
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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.detectRegions(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 0xFF & cv2.waitKey(5) == 27: |
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break |
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cv2.destroyAllWindows()
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