Uniform color space for 10° visual field and OSA uniform color scales

Claudio Oleari

doi:10.1364/JOSAA.10.001490

Journal of the Optical Society of America A
Vol. 10,
Issue 7,
pp. 1490-1498
(1993)
•https://doi.org/10.1364/JOSAA.10.001490

Uniform color space for 10° visual field and OSA uniform color scales

Claudio Oleari

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Claudio Oleari, "Uniform color space for 10° visual field and OSA uniform color scales," J. Opt. Soc. Am. A 10, 1490-1498 (1993)

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Abstract

A uniform-color-scale diagram for a 10° visual field is derived from the Optical Society of America Uniform Color Scales lattice. The 100 diagram is obtained from the 1964 CIE (x₁₀, y₁₀) chromaticity diagram by the application of two successive transformations: the first is a transformation of appropriate angle variables defined in the CIE (x₁₀, y₁₀) chromaticity diagram and related to two opponent processes; the second is a dilatation that mixes the opponent processes linearly.

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Equations (48)

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L	〈S_J(L)〉	〈M_J(L)〉	〈S_G(L)〉	〈M_G(L)〉	〈S_G(L)〉/〈S_J(L)〉
−7	20.2 ± 0.4	1.44 ± 0.07	27.5 ± 0.2	0.053 ± 0.002	1.36 ± 0.03
−6	16.5 ± 0.6	1.55 ± 0.2	22.3 ± 1.6	0.065 ± 0.02	1.35 ± 0.1
−5	14.3 ± 0.4	1.53 ± 0.15	19.0 ± 1.3	0.065 ± 0.03	1.33 ± 0.1
−4	12.6 ± 0.3	1.55 ± 0.12	16.7 ± 1.2	0.06 ± 0.03	1.32 ± 0.1
−3	11.3 ± 0.4	1.55 ± 0.15	15.0 ± 1.0	0.06 ± 0.03	1.32 ± 0.1
−2	10.2 ± 0.3	1.53 ± 0.12	13.6 ± 0.8	0.06 ± 0.02	1.33 ± 0.09
−1	9.3 ± 0.3	1.50 ± 0.1	12.5 ± 0.7	0.06 ± 0.025	1.34 ± 0.08
0	8.5 ± 0.3	1.50 ± 0.09	11.6 ± 0.5	0.055 ± 0.02	1.35 ± 0.07
1	7.9 ± 0.2	1.48 ± 0.07	10.8 ± 0.4	0.055 ± 0.02	1.36 ± 0.06
2	7.4 ± 0.4	1.47 ± 0.16	10.1 ± 0.5	0.050 ± 0.015	1.37 ± 0.09
3	6.9 ± 0.2	1.46 ± 0.06	9.6 ± 0.2	0.053 ± 0.015	1.38 ± 0.05
4	6.6 ± 0.2	1.47 ± 0.07	9.0 ± 0.2	0.05 ± 0.01	1.38 ± 0.06
5	6.3 ± 0.1	1.5 ± 0.2	8.7 ± 0.2	0.04 ± 0.02	1.38 ± 0.03

L	d_L	ϕ_L (deg)	U_L	〈Δ_L〉 (jnd)	rms_L (jnd)
−7	2.2 ∓ 0.1	18.5 ± 1	1.404	1.0	1.0
−6	2.1 ∓ 0.2	20 ∓ 5	1.708	1.4	1.7
−5	2.1 ∓ 0.2	20 ∓ 5	1.991	1.6	2.0
−4	2.1 ∓ 0.2	20 ∓ 5	2.252	1.6	2.2
−3	2.1 ∓ 0.2	20 ∓ 5	2.515	1.8	2.3
−2	2.1 ∓ 0.2	20 ∓ 4	2.778	1.5	1.9
−1	2.1 ∓ 0.2	20 ∓ 3	3.039	1.5	1.8
0	2.15 ∓ 0.15	19 ∓ 3	3.300	1.3	1.5
1	2.15 ∓ 0.15	19 ∓ 2	3.561	1.2	1.5
2	2.2 ∓ 0.2	18 ∓ 3	3.808	1.4	1.8
3	2.2 ∓ 0.1	18 ∓ 2	4.051	1.3	1.8
4	2.2 ∓ 0.1	18 ∓ 2	4.279	1.1	1.5
5	2.15 ∓ 0.15	18 ∓ 3	4.435	0.8	1.1

L	〈S_J(L)〉	〈M_J(L)〉	〈S_G(L)〉	〈M_G(L)〉	〈S_G(L)〉/〈S_J(L)〉
−7	20.2 ± 0.4	1.44 ± 0.07	27.5 ± 0.2	0.053 ± 0.002	1.36 ± 0.03
−6	16.5 ± 0.6	1.55 ± 0.2	22.3 ± 1.6	0.065 ± 0.02	1.35 ± 0.1
−5	14.3 ± 0.4	1.53 ± 0.15	19.0 ± 1.3	0.065 ± 0.03	1.33 ± 0.1
−4	12.6 ± 0.3	1.55 ± 0.12	16.7 ± 1.2	0.06 ± 0.03	1.32 ± 0.1
−3	11.3 ± 0.4	1.55 ± 0.15	15.0 ± 1.0	0.06 ± 0.03	1.32 ± 0.1
−2	10.2 ± 0.3	1.53 ± 0.12	13.6 ± 0.8	0.06 ± 0.02	1.33 ± 0.09
−1	9.3 ± 0.3	1.50 ± 0.1	12.5 ± 0.7	0.06 ± 0.025	1.34 ± 0.08
0	8.5 ± 0.3	1.50 ± 0.09	11.6 ± 0.5	0.055 ± 0.02	1.35 ± 0.07
1	7.9 ± 0.2	1.48 ± 0.07	10.8 ± 0.4	0.055 ± 0.02	1.36 ± 0.06
2	7.4 ± 0.4	1.47 ± 0.16	10.1 ± 0.5	0.050 ± 0.015	1.37 ± 0.09
3	6.9 ± 0.2	1.46 ± 0.06	9.6 ± 0.2	0.053 ± 0.015	1.38 ± 0.05
4	6.6 ± 0.2	1.47 ± 0.07	9.0 ± 0.2	0.05 ± 0.01	1.38 ± 0.06
5	6.3 ± 0.1	1.5 ± 0.2	8.7 ± 0.2	0.04 ± 0.02	1.38 ± 0.03

L	d_L	ϕ_L (deg)	U_L	〈Δ_L〉 (jnd)	rms_L (jnd)
−7	2.2 ∓ 0.1	18.5 ± 1	1.404	1.0	1.0
−6	2.1 ∓ 0.2	20 ∓ 5	1.708	1.4	1.7
−5	2.1 ∓ 0.2	20 ∓ 5	1.991	1.6	2.0
−4	2.1 ∓ 0.2	20 ∓ 5	2.252	1.6	2.2
−3	2.1 ∓ 0.2	20 ∓ 5	2.515	1.8	2.3
−2	2.1 ∓ 0.2	20 ∓ 4	2.778	1.5	1.9
−1	2.1 ∓ 0.2	20 ∓ 3	3.039	1.5	1.8
0	2.15 ∓ 0.15	19 ∓ 3	3.300	1.3	1.5
1	2.15 ∓ 0.15	19 ∓ 2	3.561	1.2	1.5
2	2.2 ∓ 0.2	18 ∓ 3	3.808	1.4	1.8
3	2.2 ∓ 0.1	18 ∓ 2	4.051	1.3	1.8
4	2.2 ∓ 0.1	18 ∓ 2	4.279	1.1	1.5
5	2.15 ∓ 0.15	18 ∓ 3	4.435	0.8	1.1

Abstract

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Tables (2)

Equations (48)

Journal of the Optical Society of America A