Windows 10 2004
Python 3.8.3
Pillow 7.1.2
ImageMagick 7.0.10# encoding: utf-8
# author: qbit
# date: 2020-06-15
# summary: 去除图片纯色边框
import shutil
from PIL import Image, ImageChops
def TrimImgEdge(inImgPath, outImgPath):
r"""
去除图片边框
inImgPath: 输入图片路径
outImgPath: 输出图片路径
"""
print(f'TrimImgEdge {inImgPath} ...')
imgIn = Image.open(inImgPath)
# 创建一个边框颜色图片
bg = Image.new(imgIn.mode, imgIn.size, imgIn.getpixel((0, 0)))
diff = ImageChops.difference(imgIn, bg)
# diff = ImageChops.add(diff, diff, 2.0, -10) # 可选，会去的更干净，副作用是误伤
bbox = diff.getbbox() # 返回左上角和右下角的坐标 (left, upper, right, lower)
if bbox:
imgIn.crop(bbox).save(outImgPath, quality=95)
else:
shutil.copyfile(inImgPath, outImgPath)
if __name__ == "__main__":
TrimImgEdge('csharp.jpg', 'csharp_pillow.jpg')# LANCZOS 在 Pillow 2.7 以前叫 ANTIALIAS
img.resize((width, height), Image.LANCZOS) 
magick convert csharp.jpg -fuzz 7% -trim csharp_magick.jpgPython 给图片补边
本文出自 qbit snap原文地址:https://segmentfault.com/a/1190000022940069，作者:qbit
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