使用opencv将透明背景图片转变为白色背景图片

code python cv

Created At : 2022-02-02 00:00

Count:40 Views 👀 :

import cv2
def alpha2white_opencv2(img):
    sp=img.shape
    width=sp[0]
    height=sp[1]
    for yh in range(height):
        for xw in range(width):
            color_d=img[xw,yh]
            if(color_d[3]==0):
                img[xw,yh]=[255,255,255,255]
    return img

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