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Thread: yuv toolchain order




yuv toolchain order
user name
2008-05-07 05:23:21
Hi,

I want to downscale and deinterlace dv mov input. I'd like
to
make sure the order of my yuv toolchain is ok:

$ qttoy4m i.mov | 
  yuvscaler -M BICUBIC -O SIZE_320x240 | 
  yuvdenoise | 
  yuvdeinterlace | ...

Should anything be changed in this order -- set up more by
what I
feel is right than actual knowledge -- like moving
yuvdeinterlace
more up etc.?

TIA

c
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Re: yuv toolchain order
user name
2008-05-08 09:33:19
Hi,

> Should anything be changed in this order -- set up more
by what I
> feel is right than actual knowledge -- like moving
yuvdeinterlace
> more up etc.?

Yes, indeed. yuvdeinterlace should (must...) be used at
first, then
yuvdenoise (turn the values up to that point where you can
see the first
negative effects of the denoiser and then try half the
values...) and
then downscale...

Stefan



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Re: yuv toolchain order
user name
2008-05-08 09:44:46
* Stefan M. Fendt on Thursday, May 08, 2008 at 16:33:19
+0200
> Yes, indeed. yuvdeinterlace should (must...) be used at
first, then
> yuvdenoise (turn the values up to that point where you
can see the first
> negative effects of the denoiser and then try half the
values...) and
> then downscale...

After a closer look at mjpeg-howto I came to a similar
conclusion, but it's good to have it confirmed.

THX

c
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