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how can i know the size of the file

Asked by shazwani seth on 4 Dec 2016
Latest activity Answered by Image Analyst
on 4 Dec 2016
I have this file in .exr extension. I need to know the size of the file and convert the value to kB in order for me to calculate the Mean Squared Error. My supervisor advised me to used dir function but I'mm not sure how to do this. Thanks

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2 Answers

Answer by Azzi Abdelmalek
on 4 Dec 2016
Edited by Azzi Abdelmalek
on 4 Dec 2016

s=dir('yourfile')
the_size=s.bytes

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Answer by Image Analyst
on 4 Dec 2016

What is your reference image? You need one to compute MSE. You can use the immse() function in the Image Processing Toolbox.
You can use imfinfo() to determine both the file size and the size in your MATLAB program. The sizes may be different if the file had been compressed, like it was stored in JPG format.

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