Re: Step-by-step through a CLUT...
Re: Step-by-step through a CLUT...
- Subject: Re: Step-by-step through a CLUT...
- From: Graeme Gill <email@hidden>
- Date: Fri, 19 Oct 2007 21:13:04 +1000
Mark wrote:
I have read some documents on the most common interpolation algorithms
used today - I would not call myself an expert in the subject but I
have an idea now. Almost every document I read cared to describe if the
interpolation, or the transformations to the LUT needed prior to
interpolation, are invertible.
It's pretty fundamental to profiling all devices. Devices naturally
operate in a given direction (output: device value in, color out, input:
color in, device value out), and our interest is in being able
to predict what it's doing. "predict" == invert.
Graeme Gill.
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