[Mplayer-advusers] denoise3d motion artifacts

[Arpi]

Hi,

> Every since denoise3d appeared, I've been using it with great result,
> it is really cool!  But I've just encountered a small problem: look at
> the video I've uploaded to
> ftp://mplayerhq.hu/MPlayer/incoming/denoise3d_bug.avi.  When you play
> that with denoise3d, as the guy's head moves, it leaves motion traces
> on the background.  I suspect it happens because the contrast between
> the background and the head is small.  It is subtle but noticable, but
> I understand that it can be very difficult to fix.

no, it's impossible to fix.

change the filter parameters, use lower temporal coeff to decrease motion
blur (and so increase temporal noise)

(actually the filter uses motion blur to reduce noise, so it's natural that
you see motion blur when using it)


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu