Fetching images from other location

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Lizan
Lizan 2012-8-8
Hi,
I want to read in x number of images from a folder located in another folder using imread.
How do I do this?
I get error when I write;
base='/Users/..../folder/';
files = dir([base,'*.bmp']);
PictSize=size(imread([base,files(1).name],'bmp'));
My error message is:
??? Index exceeds matrix dimensions.
Error in ==> CalcLosses at 16
PictSize=size(imread([base,files(1).name],'bmp'));

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回答（1 个）

Walter Roberson
Walter Roberson 2012-8-8
"files" probably came out empty.
Note: it would be better to use
files = dir( fullfile(base,'*.bmp') );
and then to check whether "files" came out empty.
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Image Analyst
Image Analyst 2012-9-25
You don't have any files in that location. It might be a relative path since you forgot the drive letter. Maybe try adding a drive letter to get a full directory path and see what happens.
Lizan
Lizan 2012-9-25
编辑：Lizan 2012-9-25
I am working with MATLAB on my USB Passport .. it seems as if this was the problem because if I change the location of the files to the desktop (i.e. the computer) then it seems OK. But if I move the files to the USB again.. the error shows up again.
base = '/Volumes/MyPassport/images/'; vs. base='/Users/XXXXX/Desktop/images/';
Is there way for me to work on the files via my passport. Why is this not working?
Using a mac computer.

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