Re: Transforming a sparse histogram to a Gaussian histogram
- From: Jonathan Campbell <jg.campbell.ng@xxxxxxxxx>
- Date: Fri, 01 May 2009 12:21:45 +0100
Dev wrote:
Hi All,
I want to convert a natural image (which has a sparse historam
distribution) to an image with a Gaussian histogram distribution. I
tried the gamma correction, stretching and other simple methods but
they didn't work. Could anyone please provide me an algorithm\matlab
code to do this?
The algorithm in section 4.8 of
http://www.jgcampbell.com/ip/ip4.txt
modifies (approximately) a histogram to be approx. compatible with a given pdf.
That is, it is a generalisation of histogram equalisation --- where the desired pdf is the uniform pdf.
A search using appropriate keywords will probably unearth a coded version.
Jon C.
--
Jonathan Campbell www.jgcampbell.com BT48 UK
.
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