by Jakub

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A possible algorithm for better isolate the dust and scratches is explained in http://www.hpl.hp.com/techreports/2007/HPL-2007-20.pdf (Comprehensive Solutions for Removal of Dust and Scratches from Images) and in http://posewith.us/2011/07/manual-dirtscratch-removal-using-infrared-channel/ (Manual Dirt/Scratch Removal Using Infrared Channel). The idea is to ...


The topic of downscaling is very broad, but I think that these pages are the most complete guide to image resize: http://www.imagemagick.org/Usage/filter/ http://www.imagemagick.org/Usage/filter/nicolas/ There you can find examples and discussion about the best ways to preserve detail without introducing artifacts, from the simpler algorithms to the most ...

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