def HOG_features(im): #start_time1=time.time() hog = cv2.HOGDescriptor() winStride = (8, 8) padding = (8, 8) hist = hog.compute(im, winStride, padding) hist = hist.reshape((-1,)) #stop_time1=time.time() #print (stop_time1-start_time1) return hist
原文：https://www.cnblogs.com/wjjcjj/p/14631760.html