RE: G7 method NPDC calculations
RE: G7 method NPDC calculations
- Subject: RE: G7 method NPDC calculations
- From: Roger Breton <email@hidden>
- Date: Thu, 11 Dec 2008 21:34:30 -0500
Graeme,
I'm pretty sure plotting the NDPC curve a long time ago and finding it was
mighty close to an L* curve. NDPC may not be public domain but L* certainly
is.
Roger
> Terence Wyse wrote:
> > Roger, are the actual G7 NPDC *calculations/algorithms* in the public
> > domain or simply the graphs illustrating the tone curves?
>
> Perhaps this is relevant
> <http://www.idealliance.org/IDEA_IP_Policy.pdf>.
>
> From that it appears Don Hutcheson granted to IDEAlliance intellectual
> property rights, free of charge, for all non-commercial purposes. It's
> unclear what rights if any Don actually claims, or whether such an
> agreement
> was exclusive to the IDEAlliance.
>
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