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

Christian Iversen chrivers
Sat Feb 25 23:19:44 CET 2006

On Saturday 25 February 2006 22:45, Dan Maas wrote:
> I agree that PSNR is not the be-all-and-end-all of quality
> measurement.

Good - I wasn't trying to belittle your patch, either. I just saw your 
description as a chance to embiggen us all with a more cromulent image 
quality measure :-)

> I wish to reiterate however that this particular patch produces a
> noticeable reduction in DCT quantization artifacts ("mosquito
> netting"). It is easiest to see by doing an A/B comparison, flipping
> between frames created with and without the patch.

That, on the other hand, is a very valid reason for using this patch :-)

Christian Iversen

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