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Is there a benefit of using bayer/cfa drizzle for well sampled osc pictures?

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(@yellowhorsehead)
White Dwarf
Joined: 6 years ago
Posts: 8
Topic starter  

there are a few people on the interwebs that seem to use bayer/cfa drizzle on their data even if their data is well sampled. 

is there a general benefit? Crisper pictures?

 

cs

Andi



   
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(@Anonymous 174)
Joined: 9 years ago
Posts: 5702
 

I wouldn't think so, at least the idea is indeed (with well drizzled data), that the algorithm can fill in "missing" data and thereby make stars round instead of square. It may introduce some extra noise actually.



   
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(@mabula-admin)
Universe Admin
Joined: 9 years ago
Posts: 5363
 

Hi Andreas @yellowhorsehead,

Like Vincent says, using (Bayer/X-Trans) drizzle instead of data interpolation/resampling can result in nicer star shapes, so that is one argument for it for sure.

But, drizzle in itself is a noise injector per definition, so the result will be more noisy compared to resampling/interpolation... so that is an argument against it. To counter noise wit drizzle, make sure that you don't use too small droplet sizes 😉

Mabula



   
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