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28th June 2010, 15:12 | #1 | Link |
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Join Date: Mar 2010
Posts: 98
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Remove yellow/blue spots from DV
I got several DV sources that contain this chroma artifacts with yellow and blue spots. I attached an example, sometimes the spots are even more visible, thatīs average.
Is there any good method using VirtualDub and/or AviSynth filters to remove that artifacts? Last edited by xv; 28th June 2010 at 21:25. Reason: grammar fix |
29th June 2010, 10:41 | #2 | Link |
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Join Date: Dec 2002
Location: UK
Posts: 1,673
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I think it's the remnants of the debayering in the camera itself. It becomes most visible in low light IME.
I've never managed to remove it satisfactorily - I tried taking a noise print in neat video, which in theory should target this quite well, but I needed stupidly high settings to get rid of it - by which time some genuine chroma details were also affected. I'd be interested in a solution too. I think this thread might be better in the AVIsynth forum - it's not necessarily DV specific (even though your source was DV). Cheers, David. |
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artifacts, blue, spots, yellow |
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