[argyllcms] Re: Using the Four-Color Matrix Method in ccxxmake
- From: Graeme Gill <graeme@xxxxxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 09 May 2012 11:22:57 +1000
Richard Hughes wrote:
> I've been playing with the four color matrix method (by Yoshihiro Ohno
> and Jonathan E. Hardis, 1997) and found that I can get a more accurate
> colorimeter calibration matrix from 15 patches as I can from 832
> patches and trying to find the local minimum like ccxxmake does. I
> wondered If I'm missing something obvious and why the latter is used.
Hi,
I'm not sure what you mean. ccxxmake by default uses 4 patches.
If you are using dispread to make .ti3 files, then it's your choice of how many
patches get used (targen). The supplied ccxx.ti1 has 4 patches.
Graeme Gill.
Other related posts:
