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Contrast Enhancement Utilities (Image Equalization, PDF, CDF)

imgcdf(img) Author: Javier Montoya (jmontoyaz@gmail.com).
imgeqmapping(img) Author: Javier Montoya (jmontoyaz@gmail.com).
imghist(img) Author: Javier Montoya (jmontoyaz@gmail.com).
imghisteq(img) Author: Javier Montoya (jmontoyaz@gmail.com).
imgnormcdf(img) Author: Javier Montoya (jmontoyaz@gmail.com).
imgpdf(img) Author: Javier Montoya (jmontoyaz@gmail.com).
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4.1 | 10 ratings Rate this file 19 Downloads (last 30 days) File Size: 2.94 KB File ID: #14501

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Contrast Enhancement Utilities (Image Equalization, PDF, CDF)

by Javier Montoya

01 Apr 2007 (Updated 02 Apr 2007)

Histogram Processing

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File Information
Description	Several functions are provided for Histogram Processing. They include: PDF, CDF, and Histogram Equalization. For further details, please refer to: "Gonzales & Woods, DIP, 2nd. ed."
Required Products	Image Processing Toolbox
MATLAB release	MATLAB 7 (R14)

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Everyone's Tags	cumulative distribution function(2), enhancement, image equalization(2), image histogram
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Comments and Ratings (15)
17 Jul 2012	Nikolay S.
04 Jul 2012	Varakorn	thx
02 Sep 2010	Matteo Niccoli	Why no BSD License?
19 Dec 2009	chaogui xia	thank you very much
13 Mar 2009	Chaos	how are these any different that inbuit functions? there is already a histogram equalization function as well as adaptive histogram. code needs to be vectorized, get rid of loops and use LU or SVD decomp. doesn't handle uint16.
26 Feb 2009	Peter Osei-Wusu Adueming	very good
25 Jul 2008	srilaxmi laxmi
09 Jul 2008	Wei Wang	very useful. thanks!
05 Jun 2008	Anya chen	It's really helpful. Thanks a lot.
03 Jun 2008	hrishikesh pimpalkar	very good
12 Apr 2008	Yue Fei	Very Good!
10 Apr 2008	lin wei	excellent code! i like it! thx so much
26 Nov 2007	Chris Yang	view from the demo image? it works perfect
12 Jul 2007	Eric Wu
06 Jul 2007	padmakar sawane