How to calculate 3*3 matrix in dispcal ICC

[Ping Luo]

Hello.
May I ask how the attached 3*3 matrix is calculated?
The matrix in the standard ICC is the color adaptation matrix from the ICC white point to the D50 white point, which I can calculate, but I noticed that the ICC generated by displaycal is not, and I’m curious about how this is calculated
Thanks for the answer.

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[Vincent]

https://www.argyllcms.com/Argyll_V3.3.0_src.zip
COLPROF executable creates the ICC profile from .CAL VCGT and .TI3 measurements. Dig there.

• This reply was modified 1 year, 9 months ago by Vincent.
• This reply was modified 1 year, 9 months ago by Vincent.

[Vincent]

Are you trying to make a fork of Argyll ecosystem?

• This reply was modified 1 year, 9 months ago by Vincent.

[Ping Luo]

haha, thanks for the reminder, I think you are more omnipotent and know argyllcms like the back of your hand, also I can’t seem to find an official forum for argyllcms.

[Vincent]

https://www.freelists.org/list/argyllcms
https://www.freelists.org/archive/argyllcms/09-2024

[Ping Luo]

Wow. Thank you so much.

[Author]

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