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adjust cosine threshold in squares.py

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Alexander Mordvintsev 2011-07-17 19:23:24 +00:00
parent c071f5487e
commit af99bee344
1 changed files with 1 additions and 1 deletions
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samples/python2/squares.py
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@ -23,7 +23,7 @@ def find_squares(img):
if len(cnt) == 4 and cv2.contourArea(cnt) > 1000 and cv2.isContourConvex(cnt): if len(cnt) == 4 and cv2.contourArea(cnt) > 1000 and cv2.isContourConvex(cnt):
cnt = cnt.reshape(-1, 2) cnt = cnt.reshape(-1, 2)
max_cos = np.max([angle_cos( cnt[i], cnt[(i+1) % 4], cnt[(i+2) % 4] ) for i in xrange(4)]) max_cos = np.max([angle_cos( cnt[i], cnt[(i+1) % 4], cnt[(i+2) % 4] ) for i in xrange(4)])
if max_cos < 0.3: if max_cos < 0.1:
squares.append(cnt) squares.append(cnt)
return squares return squares