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Subject: Re: image processing toolbox error
Date: Wed, 04 Nov 2009 10:38:06 -0500
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Sivagami samy wrote:
> i am using matlab7.0. i am n ew to this software. is there any rules to follow to include image processing toolbox functions....
> 
>>> I=imread('d:\matlab7\img_mri_brain_tumor.jpg');
>>> g=entropy(I)
> ??? Undefined command/function 'entropy'.
> 
> how to solve this error.

Hi Sivagami,

Your software version is 5.5 years old.  The function entropy (and many, 
many others mentioned in the current version of the documentation 
available online) was added later.  So you might want to consider 
upgrading to the latest version of MATLAB and the Image Processing Toolbox.

---
Steve Eddins
http://blogs.mathworks.com/steve/