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Re: Gaussian Enhancement on Image Histogram [message #45595 is a reply to message #45588]

Mon, 19 September 2005 23:27

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

raval.chintan@gmail.com writes:

> Thanks for replying. I am writing my code which is independent of
> ENVI, means i do not want to call the envi routines. I have some
> thoughts for doint this thing in IDL but some how i am not able to find
> the exact path for doing this. In this i have to make my look up table
> according to the Gaussian Probability Distribution Function (PDF) after
> applying the Gaussian enhancement on histogram or (Cumulative
> Histogram). Here When ever i am applying the Enhancement i also have to
> give maximum and minimum limit of intensity from the histogram.
>
> I do not know if this is the correct way to do or not?

I don't know the correct way either, but I would guess this
is similar to the Histogram Matching algorithm I detail in
this article:

http://www.dfanning.com/ip_tips/histomatch.html

At least it is a place to start.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: Gaussian Enhancement on Image Histogram By: James Kuyper on Wed, 21 September 2005 07:35
		Re: Gaussian Enhancement on Image Histogram By: raval.chintan on Wed, 21 September 2005 04:04
		Re: Gaussian Enhancement on Image Histogram By: raval.chintan on Tue, 20 September 2005 22:58
		Re: Gaussian Enhancement on Image Histogram By: David Streutker on Tue, 20 September 2005 10:10
		Re: Gaussian Enhancement on Image Histogram By: David Fanning on Tue, 20 September 2005 09:41
		Re: Gaussian Enhancement on Image Histogram By: raval.chintan on Tue, 20 September 2005 09:30
		Re: Gaussian Enhancement on Image Histogram By: David Streutker on Tue, 20 September 2005 08:50
		Re: Gaussian Enhancement on Image Histogram By: raval.chintan on Tue, 20 September 2005 07:30
		Re: Gaussian Enhancement on Image Histogram By: David Fanning on Mon, 19 September 2005 23:27
		Re: Gaussian Enhancement on Image Histogram By: raval.chintan on Mon, 19 September 2005 23:14
		Re: Gaussian Enhancement on Image Histogram By: Jeff N. on Mon, 19 September 2005 12:22
		Re: Gaussian Enhancement on Image Histogram By: Jeff N. on Mon, 19 September 2005 11:01

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