Hi Dan -
> From: [EMAIL PROTECTED]
> Or really how much more damage than is already done going from 4:1:1
> to 4:2:0, which really results in the (quality) equivalent of 4:1:0
Very true. One of my brothers works at a TV station and mentioned
they use 10 bit 4:2:2 everywhere up till the final stage - some
really good looking pictures when he showed me around ;)
> 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.
>
> Do they do pipes? Horrible to think of splitting into frame images...
Yes. Or rather I should say many of them do. It's on a "per
request" basis that the individual programs are converted from single
image to stream handling. pnmnlfilt is one program that's been
converted.
Perhaps the more efficient method would be to grab copies of
y4mtoppm and ppmtoy4m and find a way to merge in filters and create
a single program that'd do the y4m -> ppm -> filtering -> y4m
without half a dozen (or so) pipes.
Cheers,
Steven Schultz
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