i have to read files in specific folder

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OriAlpha
OriAlpha 2019-2-14
评论： Bob Thompson 2019-2-15
first thing i have to select files a folder
then i have to read jpg
in that folder
how can i do that
i tried with below code
but i cant get the count
test_image = uigetdir('F:\R Project\');
mat = dir ('*.jpg')

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回答（1 个）

Bob Thompson
Bob Thompson 2019-2-14
You need to specify the path that you gathered with 'test_image', otherwise the dir command is just going to search the current directory.
test_image = uigetdir('F:\R Project\');
mat = dir([test_image,'\*.jpg']);
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OriAlpha
OriAlpha 2019-2-15
编辑：OriAlpha 2019-2-15
Cannot open file "." for reading. You might not have read permission.
Error in imread (line 340)
fullname = get_full_filename(filename);
Error in sample (line 11)
im = imread(test_image1);
Bob Thompson
Bob Thompson 2019-2-15
It seems that the mat file isn't gathering the correct file name, so it is unable to load. I would suggest doing some more robust debugging of your own. Check things like making sure you don't have double slashes in your directory name, or aren't missing a slash. Try copying the name directly from file explorer and loading it directly, rather than having matlab generate the name reactively.

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