creating a correction matrix manually from two sets of readings

[Mark Appleton]

Apologies for asking this here, but I’ve done searches and tried some matrix algebra with readings I’ve taken, but not come up with anything.

Let’s say I wanted to create a correction matrix, but one of the meters is not supported by my software (instead, having its own LCD display) – given two sets of readings, how would I go about deriving the matrix?

Thanks.

[Vincent]

Apologies for asking this here, but I’ve done searches and tried some matrix algebra with readings I’ve taken, but not come up with anything.

Let’s say I wanted to create a correction matrix, but one of the meters is not supported by my software (instead, having its own LCD display) – given two sets of readings, how would I go about deriving the matrix?

Thanks.

Do you mean that you want the FCCM formula to apply it manually of with a math software? Just google it
https://www.researchgate.net/publication/263505610_Four-Color_Matrix_Method_for_Correction_of_Tristimulus_Colorimeters

But ArgyllCMS uses a different approach and AFAIK there is no “paper” like above , just “C” code. Check CCXXMAKE source code in ArgyllCMS.

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