[Ffmpeg-devel] [PATCH] DV image quality improvement

Diego Biurrun diego
Sat Feb 25 22:09:35 CET 2006

On Sat, Feb 25, 2006 at 09:59:32PM +0100, Christian Iversen wrote:
> On Saturday 25 February 2006 21:18, Dan Maas wrote:
> > The attached (very small) patch improves image quality from ffmpeg's
> > DV encoder, increasing PSNR by about 3dB on the BBC's test footage.
> Not at all commenting on the quality of the patch in question (which is 
> probably great), when are "we" (meaning "you" :-) going to stop using PSNR as 
> a quality measure? There is only a quite weak correlation between percieved 
> image quality and PSNR. 

The moment that someone implements them.  The issue has been raised in
the past, but nobody has the time or motivation to implement other
quality measures like UQI or whatnot.

Michael, it's probably a way to get ahead of XviD ;)


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