matlab修改图片大小为256 matlab批量修改图片大小

转自：/cike0cop/article/details/53087995

%author:coplin

%time:-10-10

%function:change the size of Image.

addpath(dealImg);

addpath(Img);

ListName=dir(Img\*.jpg);

[Pm,Pn]=size(ListName);

for iPm=1:1:Pm %读取文件夹所有图片循环

oriImg=imread(ListName(iPm).name); %readImg

cutImg=imcrop(oriImg,[50,50,255,255]);

%bi=imresize(oriImg,0.6); %bi缩放为ai的0.6倍

%endImg=imresize(cutImg,[256,256]); %把ai转成256x256的大小

iDealName=ListName(iPm).name;

iDealAddress=dealImg\;

iDealAll=strcat(iDealAddress,iDealName);

ID=imresize(cutImg,1);

imwrite(ID,iDealAll);

end转自：/wuzuyu365/article/details/78215268

%把一个目录下的图片缩放到指定大小

dpath = D:\tst测试工作\测试文件\清晰照片库1300张;

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