Asked by Tomas
on 8 Nov 2012

Hello,

how can I decide that an image is symmetric or asymmetric in color after dividing it into two parts vertically (the right part and the left part)? thanks

Answer by Image Analyst
on 8 Nov 2012

You could chop the image in half, call fliplr() to flip one of the halves, then check similarity with SSIM (See wikipedia) or something similar like PSNR.

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Image Analyst
on 22 Nov 2014

There is an ssim() function in the Image Processing Toolbox. Or you cuold look for published articles on it here: http://www.visionbib.com/bibliography/contents.html

Sidra Naeem
on 22 Nov 2014

I haven't ssim() function in MATLAB 2013. Can you tell me some other method to implement this in Matlab

Image Analyst
on 22 Nov 2014

**I did** , sort of - did you see the **link** I gave you? That will have the best methods by people who have studied it intensively. Maybe my *guess* of SSIM is not even the best way.

If you still want ssim(), upgrade to the latest version of MATLAB, or program it yourself with information from http://en.wikipedia.org/wiki/Structural_similarity

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