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Old 25-04-2015, 03:09 PM
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RickS (Rick)
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Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Quote:
Originally Posted by Warhen View Post
Rick, are we talking 'white columns'? That's generally just a hot pixel that spills it's charge over and those calibrate out well, especially with dithering. Now black columns, those suck. See attached guys, this is a lovely section of the U9 which I inverted for you- white are actually black/bad columns!
Warren,

These are dark columns (and occasionally partial columns) that don't calibrate out well. Using the defect map (and dithering) produces good results.

Cheers,
Rick.
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