User-provided colorimeter corrections

[MW]

I’m testing the user-provided colorimeter correction for my Dell U2412M. This display has been manufactured in different revisions and I can’t tell if another users correction is an exact match to my display. Given this lack of an absolute reference is there anything I can look for that might suggest a better match?

[Florian Höch]

Given this lack of an absolute reference is there anything I can look for that might suggest a better match?

Not really. It also depends on the instrument: An i1D3 is said to have better inter-instrument agreement than most other (consumer) instruments, for example, so it is somewhat more likely that a user-provided correction may provide some benefit – especially if it’s a spectral sample (CCSS), not a 3×3 matrix (CCMX).

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[MW]

16 of 20 CCSS and 1 of 24 CCMX read white within DE 1 of the generic WLED correction. The rest with larger white discrepancies look subjectively off to me. I assume the robustness of spectral references as well as different display revisions are at play.

Could I average the “good” CCSS’s to reduce small differences between referenced displays? I didn’t know what to expect but skin tones look slightly more realistic when A/B-ing.

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[MW]

I wont bother with averaging CCSS’s. A single correction made with a i1Pro2  in high resolution mode looked the most real after AB-ing using the image below and many instances of XnView.

[Florian Höch]

Just for completeness sake, averaging CCSS would not be necessary because you can just add the data of several CCSS together (i.e. append the lines between BEGIN_DATA…END_DATA after the last line of the BEGIN_DATA…END_DATA section of another CCSS).

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