Demosaic v1.0


 
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Contributor: Martin Kenzel
Simulate demosaicing artifacts of a Bayer CFA
Requirements:
11.0, 10.5, 10.0, 9.0, 8.0 or later
Linux, Mac, Windows
17 May 2018
178

This is a BlinkScript version of a weighted Median method for Bayer demosaicing. It supports different CFA arrangements and also handles alpha channels by reconstructing them from green. For proper color fringes I would advise you to run this filter on the final comp though, as in reality the Sensor artifacts would be among the last imperfections to happen before storage/compression. (Images at 200% to better show the artifacts)

bayer

I found this filter quite handy to match CGI with plates and if you add a random offset per-pixel (+/-) before applying it you can get some nice digital noise patterns for free:

bayer noise

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