[FFmpeg-devel] ZMBV Improved Motion Estimation

[Michael Niedermayer]

On Fri, May 09, 2008 at 11:35:03AM +0200, Reimar D?ffinger wrote:
> On Fri, May 09, 2008 at 01:04:50AM +0200, Michael Niedermayer wrote:
> > > No I don't, actually. I'm glad you came up with a better method. Can you
> > > explain how and why it works in 50 words or less? I'm curious.
> > 
> > 0th order entropy approximation
> 
> It might be worth noting that it is only quite correct for 16x16 blocks

Fixed for smaller ones.


> and might fail completely for blocks larger than that - just because

smaller blocks seem better on average for the videos i have

 16774286 2008-05-08 23:20 capcom-h1-i256.avi
 16564928 2008-05-09 12:34 capcom-h1-i256-b8.avi
   793356 2008-05-08 23:01 crusher-h1-i256.avi
   794732 2008-05-09 12:39 crusher-h1-i256-b8.avi
  2288290 2008-05-08 23:24 float-h1-i256.avi
  2075796 2008-05-09 12:38 float-h1-i256-b8.avi


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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