Hi -
Out of curiosity how much is the data "damaged" by a conversion from
4:1:1 to RGB and from there to 4:2:0?
The normal path is to go from DV (411) to 420 directly but I'm
eye'ing some of the NetPBM filters (seems that most/many of the good
filters want PPM data).
In particular the 'pnmnlfilt' program sounds intriguing, it offers:
'Alpha trimmed mean filter', 'Optimal estimation smoothing' and
'Edge enhancement'. All the types of things we might want to do or
at least try.
Are there similar types of programs that work with the DV or 420
data? Those would be preferable of course but I do not know of any.
Cheers,
Steven Schultz
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