分类：图片剪裁

2020
09-24

python图片剪裁代码(图片按四个点坐标剪裁)

用了两种方法保存图片，opencv和Image，实践证明opencv非常快fromPILimportImageimportosimportcv2importtimeimportmatplotlib.pyplotaspltdeflabel2picture(cropImg,framenum,tracker):pathnew="E:\\img2\\"#cv2.imshow("image",cropImg)#cv2.waitKey(1)if(os.path.exists(pathnew+tracker)):cv2.imwrite(pathnew+tracker+'\\'+framenum+'.jpg',cropImg,[int(cv2.IMWRITE_JPEG_QUALITY),100])... 继续阅读 >