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Re: [APML] Gradient and Vignette removal software

To: astro-photo@seds.org
Subject: Re: [APML] Gradient and Vignette removal software
From: Nicola Montecchiari <nmontec@libero.it>
Date: Thu, 27 Jun 2002 13:38:07 +0200
References: <LHELKEJEPCJAEHBBEDPKIEGICHAA.cschur@cybertrails.com> <004501c21dce$b8609100$5d18c4d8@neo.rr.com>
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Mike Unsold wrote:
> Hi Chris
>  
> Could you send me an image that has a gradient or vignetting that needs 
> removed. I would be interested in trying to remove the gradient. Other 
> tools exist for removing stars from images besides Gaussian blurs. 
> Gaussian blurs only spread star light out over several pixels and do not 
> remove star light.


Yes, I'd believe that an erosion filter could be useful here...

Nicola


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Follow-Ups:
- Re: [APML] Gradient and Vignette removal software
  - From: Matt BenDaniel <matt@starmatt.com>
- Re: [APML] Gradient and Vignette removal software
  - From: "Mike Unsold" <mike@mlunsold.com>

References:
- [APML] Gradient and Vignette removal software
  - From: "Chris Schur" <cschur@cybertrails.com>
- Re: [APML] Gradient and Vignette removal software
  - From: "Mike Unsold" <mike@mlunsold.com>

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