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Zeynab Mousavikhamene
编辑： Walter Roberson 2019-11-2
I am using this code to get all images in a folder by user:
d = uigetdir(pwd, D);
imagefiles = dir(fullfile(d, '*.jpg'));
nfiles = length(imagefiles);
Then in a for loop I will do some calculations on the images:
k = 1:nfiles
currentfilename = imagefiles(k).name;
I = imread(currentfilename);
.
.
.
when running the code I get this error:
Error using imread>get_full_filename (line 568)
File "1.jpg" does not exist.
Error in imread (line 377)
fullname = get_full_filename(filename);
Error in DemoBoundary29sept2018edit3ReadsImagesfromfolder (line 30)
I = imread(currentfilename)
But 1.jpg exists in that folder. I think the reason is that the folder that the code is saved is different from folder that the images are.
Any idea how to solve the issue?

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Walter Roberson
Walter Roberson 2019-11-2
编辑：Walter Roberson 2019-11-2
currentfilename = fullfile(d, imagefiles(k).name);
The .name field returned by dir() never includes folder information: it is the basic file name (including extension) only.
Since R2015b or so, there is also a .folder field, so
currentfilename = fullfile(imagefiles(k).folder, imagefiles(k).name);
could be used. That is useful if you used wildcards in folder specifications.
I find it easier to attach the folder names before-hand:
filenames = fullfile(d, {imagefiles.name});
and then extract filenames{k} and use that.

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