[FFmpeg-devel] ZMBV Improved Motion Estimation

[Reimar Döffinger]

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
and might fail completely for blocks larger than that - just because
I was quite confused since from the modified code alone it is not
obvious that zmbv uses 16x16 blocks except (possibly) for the borders.