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Nov 3, 2014 at 6:04 comment added user484 Some denoising, using e.g. WienerFilter or TotalVariationFilter, will also help avoid the "shading in some black in the spots where there's nothing".
Nov 3, 2014 at 2:40 history tweeted twitter.com/#!/StackMma/status/529100783648653312
Nov 3, 2014 at 2:17 answer added halirutan timeline score: 7
Nov 3, 2014 at 1:22 comment added bobthechemist I wonder if adjusting the image histogram would allow you to make images obtained across multiple days a bit more consistent.
Nov 2, 2014 at 22:50 comment added shrx Also try BilateralFilter and MorphologicalBinarize
Nov 2, 2014 at 21:11 comment added paw LocalAdaptiveBinarize gives you a little more control over the binarization and helps a lot if you have a brightness gradient in you images.
Nov 2, 2014 at 21:05 history asked F dot Floss CC BY-SA 3.0