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betas
2002 Aug 28
5
Analogue artifact estimation
...posite stage will likely have dot-crawl and false colour - if we can recognise this effect in the encoder, we can treat it as a special case.
Other artifacts that come to mind are:
* 3-2 Pull down
* 30/25 and 25/30 FPS conversion artifacts
* Dropouts, (both noisy, a-la VHS, and solid bars, a-la BetaSP, (which I believe halves the chroma resolution - can we possibly take this in to account as well?) )
* Stobe effect of a CRT filmed by a different scan-rate camera
* Colour changes in multi-layered painted cel animation, (where a character is, say, talking, and they repeatedly add and remove a ce...