[mythtv] frame comparisons....

[Rudy Moore]

Does anyone know of any good image comparison algorithms 
out there? Specifically, I'm looking for an method that 
takes into account noise and other TV reception problems 
to create a hash function that can be used for database 
lookups.

If it doesn't exist then I'll start working on one of my 
own...

On that note, does the H 250/350 drivers give you direct 
access to the frame, even when hardware encoding is being 
done?

Rudy
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