OpenCV Exercises in Python | Beechtree Tech: " gray = cvCreateImage(cvSize(cvGetSize(img).width, cvGetSize(img).height), IPL_DEPTH_8U, 1)
cvCvtColor(img,gray,CV_BGR2GRAY)
if (gray.nChannels != 1):
return False
out = cvCreateImage(cvSize(cvGetSize(gray).width, cvGetSize(gray).height), IPL_DEPTH_8U, 1)
cvCanny(gray, out, lowThresh, highThresh, aperature)
return out
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