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DPChallenge Forums >> Tips, Tricks, and Q&A >> Dark frame subtraction legal?
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 08/19/2002 01:34:50 PM · #1
As the rules currently stand, no...

Unless you're doing a night shot, it really should not affect your photo too much. You can get rid of the occasional hot pixel with the DPC legal "Desceckle" filter.
 08/19/2002 01:13:44 PM · #2
I'm a bit confused about the editing rules for the challenges. I do
understand the intention, but there is a grey zone left, I think. So,
what about dark frame subtraction for noise reduction. It's a very
standard technique in digital photography. Is it allowed here?
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