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comparison python/cvutils.py @ 346:5f75d6c23ed5

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added opencv function to destroy OpenCV windows (seems to work only on Windows)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 26 Jun 2013 15:42:45 -0400
parents 6b65b26c1e46
children 22ddb8f85495
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345:fa64b2e3a64f 346:5f75d6c23ed5
107 if ret: 107 if ret:
108 print('frame {0}'.format(frameNum)) 108 print('frame {0}'.format(frameNum))
109 frameNum+=1 109 frameNum+=1
110 cv2.imshow('frame', img) 110 cv2.imshow('frame', img)
111 key = cv2.waitKey(wait) 111 key = cv2.waitKey(wait)
112 cv2.destroyAllWindows()
112 113
113 def getImagesFromVideo(filename, nImages = 1, saveImage = False): 114 def getImagesFromVideo(filename, nImages = 1, saveImage = False):
114 '''Returns nImages images from the video sequence''' 115 '''Returns nImages images from the video sequence'''
115 images = [] 116 images = []
116 capture = cv2.VideoCapture(filename) 117 capture = cv2.VideoCapture(filename)
160 cv2.imshow('frame', img) 161 cv2.imshow('frame', img)
161 key = cv2.waitKey() 162 key = cv2.waitKey()
162 if saveKey(key): 163 if saveKey(key):
163 cv2.imwrite('image.png', img) 164 cv2.imwrite('image.png', img)
164 frameNum += 1 165 frameNum += 1
166 cv2.destroyAllWindows()
165 167
166 def printCvMat(cvmat, out = stdout): 168 def printCvMat(cvmat, out = stdout):
167 '''Prints the cvmat to out''' 169 '''Prints the cvmat to out'''
168 for i in xrange(cvmat.rows): 170 for i in xrange(cvmat.rows):
169 for j in xrange(cvmat.cols): 171 for j in xrange(cvmat.cols):