Open Access

Table F1

Comparison of mean/covariance choices and resulting color error.

Mean Function Covariance function Dataset mean ΔE76
ZeroMean RBF Kernel 6.1 ± 0.4
ConstantMean RBF Kernel 4.5 ± 0.6
ConstantMean Matérn 3/2 7.8 ± 0.8
ConstantMean Rational Quadratic 18.3 ± 1.0
ConstantMean Linear Kernel 16.9 ± 0.8

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