MATLIB 多个子文件夹批量创造测试文件

比眉伴天荒 2022-07-21 12:11 19阅读 0赞

maindir='Z:\\ ';
    writepath='Z:\\ ';
    %fp = fopen(maindir,'wt');
    subdir =dir( maindir );   % 先确定子文件夹
    for i = 3 : length( subdir )
        if( isequal( subdir( i ).name, '.' ) || ...
            isequal( subdir( i ).name, '..' ) || ...
            ~subdir( i ).isdir )   % 如果不是目录跳过
            continue;
        end
        subdirpath = fullfile( maindir, subdir( i ).name, '*.bmp' );
        images = dir( subdirpath );   % 在这个子文件夹下找后缀为jpg的文件
        % 遍历每张图片
        for j = 3 :length( images )
            imagepath = fullfile( maindir, subdir( i ).name, images( j ).name  );
            img = imread( imagepath ); 
            subplot(3,3,1)
            imshow(img)
            title('original');
    
    
    
    
            b=imrotate(img,3,'nearest');
            b = imresize(b, [32 18]);
            subplot(3,3,2)
            imshow(b)
            title('rotate 5');
    
    
            c=imrotate(img,-3,'nearest');
            c = imresize(c, [32 18]);
            subplot(3,3,3)
            imshow(c)
            title('rotate -5');
    
    
    
    
           SE1=strel('ball',2,2);
           erode=imerode(c,SE1,'same'); %erode
           erode = imresize(erode, [32 18]);
           subplot(3,3,4)
           imshow(erode);
           title('erode');
    
    
           SE2 = strel('disk', 1);
           dilate=imdilate(c,SE2,'same'); %dilate
           dilate = imresize(dilate, [32 18]);
           subplot(3,3,5)
           imshow(dilate)
           title('dilate');
    
    
           V=0.008;
           Noisy=imnoise(c,'gaussian',0,V);
           subplot(3,3,6)
           imshow(Noisy)
           title('gaussian noise');
    
    
           salt=imnoise(c,'salt & pepper',0.02); %加入椒盐躁声
           subplot(3,3,7)
           imshow(salt)
           title('salt & pepper noise');
    
    
          % fprintf(fp, '%d \n', dex);
       nameimg= [images( j ).name(1:end-4),'_0.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(b,imagepath);
       
       nameimg= [images( j ).name(1:end-4),'_1.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(c,imagepath);
       
         nameimg= [images( j ).name(1:end-4),'_2.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(erode,imagepath);
       
         nameimg= [images( j ).name(1:end-4),'_3.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(dilate,imagepath);
       
         nameimg= [images( j ).name(1:end-4),'_4.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(Noisy,imagepath);
       
         nameimg= [images( j ).name(1:end-4),'_5.bmp'];
       imagepath = fullfile( writepath, subdir( i ).name,nameimg);
       imwrite(salt,imagepath);
       
        end
    end
    fclose(fp);

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[SouthEast]: /images/20220720/4a809f40728f41558bc612efbdd3493b.png