[x264-devel] Re: 1/4 pixel resolution

[leon jorgunsen]

You can even perform 1/8-pel motion compensation...
	
--Leon

> De: Tuukka Toivonen <tuukkat at ee.oulu.fi>
> A: x264-devel at videolan.org
> Objet: [x264-devel] Re: 1/4 pixel resolution
> Date: Thu, 11 Aug 2005 12:43:52 +0300 (EEST)

> On Thu, 11 Aug 2005, Radek Czyz wrote:
> 
> > Yes it does have 1/4 pixel resolution, but it's not a feature. It's the only
> > possible vector resolution in AVC.
> 
> Well, one could do motion estimation at 1/2 pixel accuracy,
> and never write 1/4 accurate motion vectors into the bitstream.
> But this makes little sense as the step from integer pixel
> to 1/2 pixel accuracy is much more difficult than 1/2
> to 1/4 (longer interpolation filter).
> 
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