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Re: [OM] ACR in PSE 8.0 was: Who in the world writes this junk? - Raw so

Subject: Re: [OM] ACR in PSE 8.0 was: Who in the world writes this junk? - Raw software rant.
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Sat, 14 Nov 2009 21:29:50 -0500
But one shouldn't have to solve it.  The raw processor should know the 
Bayer pattern and proper interpretation from the camera model.

Chuck Norcutt


Ken Norton wrote:
>> What are the red and blue bits sprinkled about on his shirt?
>>
>>
> This maize pattern is a well known issue with Olympus RAW files. The reason
> is actually very easy to understand, and relatively easy to solve. The
> reason is that Bayer array color ordering of RGBG is different with Olympus
> RAW files. When interpreted correctly there is no difference than other
> patterns, but when using a standard ordering pattern you will get a nasty
> interpretation in the demoisiacing pattern.
> 
> One primary solution when using DCRAW based converts is to use the VNG-4
> algorithm. This accounts for the changed pattern and processes ORFs
> correctly.
> 
> AG (aMaizing) Schnozz
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