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Histogram features of a gray level image

4.7 | 10 ratings Rate this file 15 Downloads (last 30 days) File Size: 2.76 KB File ID: #17537 Version: 1.0

Histogram features of a gray level image



15 Nov 2007 (Updated )

This function is to calculate histogram features of a gray level image

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Following features are calculated:
% Mean
% Variance
% Skewness
% Kurtosis
% Energy
% Entropy

Any Other histogram based features can be easily incorporated.Enjoy it.

MATLAB release MATLAB 7.5 (R2007b)
Other requirements MATLAB 7.5 Windows XP SP2
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Comments and Ratings (14)
06 Aug 2015 firat

firat (view profile)

Thank you.

Please correct me if I am wrong, but you calculate the power rather than the energy in the script.

23 Jun 2015 Hongming


18 Dec 2013 Esra

Esra (view profile)

thank you

02 Nov 2013 babak eh

The code line for entropy should be changed as the log(Prob) when prob=0 goes to -inf.

to fix this simply change the line to:
Entropy = -sum(Prob.*log(max(Prob,min(Prob(Prob~=0)))));

there are many other ways to fix this.

Comment only
01 May 2012 Mandeep

Can anyone help to explain the input arguments??

Comment only
27 Apr 2011 Xufeng Hua


Comment only
10 Mar 2011 nurul

nurul (view profile)

Can anyone help me, how I want run this coding??

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13 Mar 2009 sun peng

sun peng (view profile)

Very helpful!

18 Jul 2008 Tetyana Ivanovska

Thank you.

12 Jun 2008 Joie __

work good. correctly.

19 Mar 2008 pierre cardin


22 Nov 2007 nsm ds

perfect and useful thanx.

21 Nov 2007 cos alm


19 Nov 2007 yue feng


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