[x264-devel] [PATCH] improved scene cut detection
Loren Merritt
lorenm at u.washington.edu
Mon Jun 25 23:31:57 CEST 2007
On Mon, 25 Jun 2007, Gabriel Bouvigne wrote:
> Gabriel Bouvigne a écrit :
>> Guillaume POIRIER a écrit :
>>> Do you have any benchmark/stats of how much your patch increases
>>> quality in real-world situations?
>
> Here are some sample values:
>
> before:
> x264 [info]: SSIM Mean Y:0.8984404
> x264 [info]: PSNR Mean Y:29.666 U:38.438 V:38.793 Avg:31.145 Global:30.458
>
> after:
> x264 [info]: SSIM Mean Y:0.9028928
> x264 [info]: PSNR Mean Y:29.825 U:38.514 V:38.868 Avg:31.300 Global:30.696
And what content was that (or any other sample that the patch helped)?
All of my test videos lose quality-per-bitrate with the patch. Not much
(-.01 dB), but very consistent.
--Loren Merritt
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