On Mon, 2003-10-06 at 19:54, Steven M. Schultz wrote:
> On 6 Oct 2003, Florin Andrei wrote:
> 
> > "this procedure forces blocks of a type that don't carry much
> > information but are expensive to encode to be simply skipped"
> > 
> > If they are skipped at encoding, with what do they get replaced when
> > viewing?
> 
>       Oops - misunderstanding alert ;)   It probably wasn't worded
>       exactly right.

Yeah :-) a rephrasing might help.

>       -E -10 is a conservative (middle range) setting.   Values of 20
>       or more _may_ artifact - your mileage will vary of course ;)

Ok, so how will those artifacts look like?
Essentially, when you replace that row of "almost zeros" with a row of
zeroes only, the offending block becomes replaced with... uniform
color/luma? Something close to its neighbours?
Or is it more complicated than that? (i learned my lesson, i hope, and i
don't expect the MPEG compression algo's to behave in an intuitive
fashion)

-- 
Florin Andrei

http://florin.myip.org/



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