Mercurial > hg > nsaunier > traffic-intelligence

comparison python/cvutils.py @ 171:8e7b354666ec

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corrected bug in to get images from video
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 17 Oct 2011 14:16:50 -0400
parents b0719b3ad3db
children e2f31813ade6
comparison
equal deleted inserted replaced
170:e99f6c44a655 171:8e7b354666ec
101 images = [] 101 images = []
102 capture = cv2.VideoCapture(filename) 102 capture = cv2.VideoCapture(filename)
103 if capture.isOpened(): 103 if capture.isOpened():
104 ret = False 104 ret = False
105 while len(images)<nImages: 105 while len(images)<nImages:
106 ret, img = capture.read()
106 while not ret: 107 while not ret:
107 ret, img = capture.read() 108 ret, img = capture.read()
108 if img.size>0: 109 if img.size>0:
109 images.append(img) 110 images.append(img)
110 return images 111 return images
111 112
112 def printCvMat(cvmat, out = stdout): 113 def printCvMat(cvmat, out = stdout):
113 '''Prints the cvmat to out''' 114 '''Prints the cvmat to out'''
114 for i in xrange(cvmat.rows): 115 for i in xrange(cvmat.rows):