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import cv2
from function.ColorImageProcess.HSIProcess import hsvProcess
def rgb2cmy(img,H,S,V):
if img.shape[2] == 4:
img = cv2.cvtColor(img,cv2.COLOR_RGBA2RGB)
(b,g,r) = cv2.split(img)
b = 1 - b/b.max()
g = 1 - g/g.max()
r = 1 - r/r.max()
img_1 = cv2.merge([255*b,255*g,255*r])
img_result = hsvProcess(img_1,H,S,V)
return img_result