MATLAB: Please provide me a matlab source code for running number of files in a loop.

I am currently working on an image compression project. I have a a series of images in a folder named newsnap.I want to run a dct algorithm on the series of images and save it in another folder named video.So I need the matlab source code for my project urgently.

Best Answer

    video_dir = 'snaps/'
    extension = 'jpg'
    out_dir = 'video/'
   resnames=dir(fullfile(video_dirs,['*.' extension]));
   for i=1:length(resnames)
        img=imread(fullfile(video_dirs,resnames(i).name));
        %

        % whatever you want to do with your image
        %
        imwrite(img, [out_dir resnames(i).name]);
    end

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MATLAB: Get path to all files in a folder of images

% Directory
directory = 'C:\Datasets\nyu\train\';
img_dir = fullfile(directory, 'image_02');
depth_dir = fullfile(directory, 'depth');
image_rgb_info  = dir( fullfile(img_dir, '*.jpg'));
image_rgb_filenames = fullfile(img_dir, {image_rgb_info.name} );
image_depth_info = dir( fullfile(depth_dir, '*.png'));
image_depth_filenames = fullfile(depth_dir, {image_depth_info.name} );

MATLAB: Matlab source code for file selection

Hi,

If I understood correctly you want to read the files from the folder Snaps, subsample them and then save them on a new folder called NewSpnas.

video_dir = 'snaps/'
extension = 'jpg'
out_dir = 'Newsnaps/'
step = 2 % this parameter decide which frames to save
resnames=dir(fullfile(video_dirs,['*.' extension]));
for i=1:step:length(resnames)
    img=imread(fullfile(video_dirs,resnames(i).name));
    imwrite(img, [out_dir resnames(i).name]);
end

Best Answer

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MATLAB: Get path to all files in a folder of images

MATLAB: Matlab source code for file selection

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