On Sat, Nov 14, 2009 at 7:47 PM, Ken Norton <ken@xxxxxxxxxxx> 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.
That's neat, Ken -- thanks for that.
Joel W.
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