Canon Line Offset Noise

Started Oct 20, 2009 | Discussions thread
OP John Sheehy Forum Pro • Posts: 22,839
Re: OK for black frames, what about "real" images

xxD wrote:

Alright. I can see what you've done and it makes sense and seems to be a straightforward data manipulation.

But that's a black frame and you get to make a lot of assumptions that make the correction easy because it's a black frame.

What complications are added to your algorithm if it's an photo with unpredictable subject and background detail?

None, if the bottom 100 rows don't receive light, or receive it evenly.

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John

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