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

[Christian Iversen]

On Saturday 25 February 2006 22:09, Diego Biurrun wrote:
> 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.

Ok - I thought as much. Which is a fair response, given that I didn't attach a 
patch ;-)

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

It is for sure. 

-- 
Regards,
Christian Iversen