Wow, very impressive this page describing this imagemagick denoiser!
A denoise filter is no doubt very important.

cheers,
rafael diniz

> Thanks Rafael
>
> I am pretty sure as well that yuvdenoise will work only for a limited
> colorspace.
> there is the option of y4mdenoise though. Wil try and see.
>
> Otherwise combining image magick denoising or greycstoration
>
> http://www.fmwconcepts.com/imagemagick/denoise/index.php
>
> something maybe to think about for the future of cinelerra and / or
> Lumiera
> cheers
> E
>
>
> On 04/08/2011 03:21 AM, Rafael Diniz wrote:
>> Hi E,
>> For the yuvdenoise, try storing the y4m file and check it's header using
>> a
>> text editor. In there you can check the colorspace, but I bet yuvdenoise
>> only handles YUV colorspace.
>>
>> For the ffmpeg only solution, this one is the only that have chances in
>> doing what you want.
>>
>> Best regards,
>> Rafael Diniz
>>
>>> Hi there
>>>
>>> A tad off topic sorry but it can probably help others exporting through
>>> y4mpegpipe
>>>
>>> First : I was wondering if anyone made a comparison between denoisers
>>> (e.g. yuvdenoise and hqdn3d) ?
>>> Second : can they process RGB data ?
>>>
>>>
>>>
>>> For say if I use a quicktime RGB 24 mov file as an input (or a sequence
>>> of TIFF files)
>>> ffmpeg -threads 2 -y -i - -vf "format=rgb24, slicify=32" -f
>>> yuv4mpegpipe
>>> - | yuvdenoise | ffmpeg -i - etc ...
>>> I am probably reading way more data than processed
>>>
>>> if I use
>>> ffmpeg -vf "hqdn3d,format=rgb24, slicify=32" -threads 2 -y -i - -b
>>> 220000k -pix_fmt yuv422p -vf "pad=1920:1080:240:0:black, slicify=32" -r
>>> 24 -vcodec dnxhd -threads 2 fichier.mov
>>>
>>> Am I really filtering RGB data ?
>>>
>>> Thanks a lot
>>> E
>>
>>
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