[FFmpeg-devel] [PATCH] avfilter/vf_dctdnoiz: add YUV444P support
Paul B Mahol
onemda at gmail.com
Mon Aug 29 23:00:31 EEST 2016
On Mon, Aug 29, 2016 at 8:52 PM, Clément Bœsch <u at pkh.me> wrote:
> On Mon, Aug 29, 2016 at 07:00:54PM +0200, Paul B Mahol wrote:
> > Hi,
> > patch attached.
> The color decorrelation is an important part of the denoising algorithm
> described in http://www.ipol.im/pub/art/2011/ys-dct/ (see 2.3)
> Can we really consider the YUV planes as properly decorrelated ones? It
> seems to me that allowing YUV444 means that sometimes the denoising will
> be different (randomly if picked).
> Clément B.
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
They also say that gray should not be (de)correlated at all.
Y is basically gray.
U/V is already correlated with Y.
Those number to me look random, they should be set via filter options.
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