Re: Image statistics

Bob Friesenhahn <[email protected]> Tue, 23 Mar 2004 09:15:16 -0600 (CST)
Newsgroups gmane.comp.video.graphicsmagick.tools,gmane.comp.video.graphicsmagick.apis
Message-ID <Pine.GSO.4.44.0403230911550.11186-100000@scooby.simplesystems.org>
On Tue, 23 Mar 2004, Glenn Randers-Pehrson wrote:

> At 11:11 PM 3/22/04 -0600, Bob Friesenhahn wrote:
> >If there
> >is demand for it, both normalized and unnormalized values can be
> >displayed.
>
> How 'bout if I demand the PSNR?

Demand away. :-)

I believe that PSNR is useful for comparing a reference image to a
modified image.  The new statistics interface computes statistics for
a single image rather than between two images.

PSNR is for another day.

Bob
======================================
Bob Friesenhahn
[email protected]
http://www.simplesystems.org/users/bfriesen



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