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How to fix an error in which the system could not read image from folder under loop, using "dir" function?

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Daniel Vainshtein
Daniel Vainshtein 2019-3-27
编辑： Stephen23 2019-3-27
I have the following code:
files = dir('1folder/*.bmp');
for k =1:length(files)
I = imread(files(k).name);
end
but I always got this error messege:
Error using imread (line 349)
File "picture-0000.bmp" does not exist.
but my bmp file is exist, in the original folder and in the files structure built by the dir function.
I would like to know how to fix this error...

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Stephen23
Stephen23 2019-3-27
编辑：Stephen23 2019-3-27
If you specify the directory for the dir call then you also need to specify it when you read the file:
D = '1folder';
S = dir(fullfile(D,'*.bmp'));
for k = 1:numel(S)
I = imread(fullfile(D,S(k).name));
end

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