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本文教大家通过Python程序替换证件照背景颜色，以后更换证件照背景就不会再苦恼了。
思路：
1.先去掉原照片的背景颜色
2.再添上新的背景颜色
步骤很简单，思路清晰，操作起来也很简单，十行代码就可以搞定，保证看完你肯定会！
1.去掉原图背景颜色
import os # 去掉背景颜色 os.system('backgroundremover -i "'+str(in_path)+'" -o
"cg_output.jpg"')
in_path是原照片的路径、cg_output.jpg是去掉背景后的照片
2.添加新背景颜色
Python学习交流Q群：906715085### # 加上背景颜色 no_bg_image = Image.open("cg_output.jpg") x,
y= no_bg_image.size new_image = Image.new('RGBA', no_bg_image.size, color=color
) new_image.paste(no_bg_image, (0, 0, x, y), no_bg_image) new_image.save(
out_path)
out_path是替换背景颜色后的照片路径，color是要替换的新颜色，填上对应的英文即可，比如红色：red
color = "red" # 红：red、蓝：blue、黑：black、白：white
完整代码
import os from PIL import Image # 输入 in_path = "replace.jpg" # 输出 out_path =
"out.png" # 要替换的背景颜色 color = "red" # 红：red、蓝：blue、黑：black、白：white # 去掉背景颜色 os.
system('backgroundremover -i "'+str(in_path)+'" -o "cg_output.jpg"') # 加上背景颜色
no_bg_image= Image.open("cg_output.jpg") x, y = no_bg_image.size new_image =
Image.new('RGBA', no_bg_image.size, color=color) new_image.paste(no_bg_image, (0
, 0, x, y), no_bg_image) new_image.save(out_path)
代码大体步骤：
将replace.jpg（蓝色背景的照片），换成红色（color）的背景颜色的照片out.png
这里提醒一下读者，输出的照片（out.png）要保存成png的格式，其他格式如jpg程序会报错。
样例效果：
左边是原图（蓝色），右边是替换的照片
（蓝换成红）
最后
Python替换证件照背景颜色不难，思路就是先去掉背景，再添上新的背景颜色，相信看到这里的你已经学会了，记得给本文点赞、评论、转发，谢谢~~~
