我有一个代码:与OpenCV中的色彩噪声的图像比较?
def compare_frames(frame1, frame2):
# cropping ranges of two images
frame1, frame2 = similize(frame1, frame2)
sc = 0
h = numpy.zeros((300,256,3))
frame1= cv2.cvtColor(frame1,cv2.COLOR_BGR2HSV)
frame2= cv2.cvtColor(frame2,cv2.COLOR_BGR2HSV)
bins = numpy.arange(256).reshape(256,1)
color = [ (255,0,0),(0,255,0),(0,0,255) ]
for ch, col in enumerate(color):
hist_item1 = cv2.calcHist([frame1],[ch],None,[256],[0,255])
hist_item2 = cv2.calcHist([frame2],[ch],None,[256],[0,255])
cv2.normalize(hist_item1,hist_item1,0,255,cv2.NORM_MINMAX)
cv2.normalize(hist_item2,hist_item2,0,255,cv2.NORM_MINMAX)
sc = sc + (cv2.compareHist(hist_item1, hist_item2, cv2.cv.CV_COMP_CORREL)/len(color))
return sc
它的工作原理,但如果图像具有色噪声(更多变暗/变亮色调),它不工作,并给相似度等于0.5。 (需要0.8)
2的图像更加变暗比图像1.
你建议我FAST比较algorythm忽略光,模糊,噪点上的图像或修改?
注:
我有模板匹配algorythm太:
但工程进展缓慢比我更需要,虽然相似度0.95。
def match_frames(frame1, frame2):
# cropping ranges of two images
frame1, frame2 = similize(frame1, frame2)
result = cv2.matchTemplate(frame1,frame2,cv2.TM_CCOEFF_NORMED)
return numpy.amax(result)
感谢
任何示例或链接? – xercool