MATLAB: Error using imread (line 368) ; File “…” does not exist

imread

Hi all, I am getting this error , can please any tell what I am doing wrong, as file do exists.

myFolder = 'C:\Users\Ankit Gupta\Desktop\image\'; if ~isdir(myFolder) errorMessage = sprintf('Error: The following folder does not exist:\n%s', myFolder); uiwait(warndlg(errorMessage)); return; end filePattern = fullfile(myFolder, '*.png'); pngfiles = dir(filePattern); >> im1 = imread(pngfiles(1).name) Error using imread (line 368)

Best Answer

Hi. change your current folder to myFolder:

cd(myFolder)

or use this:

im1 = imread([myFolder pngfiles(1).name])

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MATLAB: Read images from folder

See the code snippet in the FAQ:

https://matlab.fandom.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

Which you'd adjust like this:

% Specify the folder where the files live.
myFolder = fullfile(pwd, '..\TRAINING SET');
% Check to make sure that folder actually exists.  Warn user if it doesn't.
if ~isfolder(myFolder)
    errorMessage = sprintf('Error: The following folder does not exist:\n%s\nPlease specify a new folder.', myFolder);
    uiwait(warndlg(errorMessage));
    myFolder = uigetdir(); % Ask for a new one.
    if myFolder == 0
         % User clicked Cancel
         return;
    end
end
% Get a list of all files in the folder with the desired file name pattern.
filePattern = fullfile(myFolder, '*.BMP'); % Change to whatever pattern you need.
theFiles = dir(filePattern);
for k = 1 : length(theFiles)
    baseFileName = theFiles(k).name;
    fullFileName = fullfile(theFiles(k).folder, baseFileName);
    fprintf(1, 'Now reading %s\n', fullFileName);
    % Now do whatever you want with this file name,
    % such as reading it in as an image array with imread()
    imageArray = imread(fullFileName);
    imshow(imageArray);  % Display image.
    drawnow; % Force display to update immediately.
end

MATLAB: Error using imread (line 349) ; File “…” does not exist

Check if the file 20051020_43808_0100_PP exist in the specified directory. you should precise its extension.

Best Answer

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MATLAB: Read images from folder

MATLAB: Error using imread (line 349) ; File “…” does not exist

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