[MPlayer-dev-eng] [LONG] PSNR comparison, new source and results

Michael Niedermayer michaelni at gmx.at
Wed Jun 16 17:53:34 CEST 2004


Hi

On Wednesday 16 June 2004 16:25, Jan Knutar wrote:
> On Wednesday 16 June 2004 17:08, Michael Niedermayer wrote:
> > one possible explanation is that at a bitrate similar to the source
> > bitrate we are really trying to store the mpeg2 compression artefacts
> > and mpeg4-hpel is better then mpeg4-qpel at storing mpeg2-hpel
> > it would be interresting to see if the psnr decrease at high bitrates
> > exists for uncompressed sources too ...
>
> Hm, indeed! Unfortunately I have no good source of uncompressed video
ftp://mplayerhq.hu/MPlayer/samples/yuv/
and if u want some highger res try:
ftp://ftp.ldv.e-technik.tu-muenchen.de/pub/test_sequences/
or just use google

[...]
-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en




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