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References

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  1. P. Moon and D. E. Spencer, J. Opt. Soc. Am. 33, 270 (1943). Also J. L. Saunderson and B. I. Milner, J. Opt. Soc. Am. 34, 167 (1944).
    [Crossref]
  2. S. M. Newhall, D. Nickerson, and D. B. Judd, J. Opt. Soc. Am. 33, 385 (1943).
    [Crossref]
  3. E. Q. Adams, J. Opt. Soc. Am. 32, 168 (1942).
    [Crossref]
  4. D. Nickerson and S. M. Newhall, J. Opt. Soc. Am. 33, 419 (1943).
    [Crossref]
  5. B. R. Bellamy and S. M. Newhall, J. Opt. Soc. Am. 32, 465 (1942).
    [Crossref]
  6. D. Nickerson, Textile Research 6, 505 (1936).
    [Crossref]

1943 (3)

1942 (2)

1936 (1)

D. Nickerson, Textile Research 6, 505 (1936).
[Crossref]

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Figures (8)

Fig. 1
Fig. 1

The Munsell renotations at value 7 on the Adams chromatic value diagram.

Fig. 2
Fig. 2

A plot of radial distances from the origin of the chromatic value diagram vs. Munsell chroma for θ = 45°, 180°, and 270°.

Fig. 3
Fig. 3

Chroma scale factors (slopes of the straight lines of Fig. 2) plotted as radial distances at angles corresponding to the horizontal, vertical, and 45° lines of Fig. 1. The points represent the experimental data for values 3, 5, and 7, and are to be compared with the dashes representing the spacing which results from the use of the equations adopted for ζ1 and ζ3.

Fig. 4
Fig. 4

Munsell renotations of value 3 on the ζ1ζ3 plane.

Fig. 5
Fig. 5

Munsell renotations of value 5 on the ζ1ζ3 plane.

Fig. 6
Fig. 6

Munsell renotations of value 7 on the ζ1ζ3 plane.

Fig. 7
Fig. 7

Munsell renotations of hues 5P and 5GY.

Fig. 8
Fig. 8

Slide rule and graphs for calculating ζ1 and ζ3 from Xc, Y, and Zc. In the figure, (Vx−Vy)/(Vz−Vy) is abbreviated (X/Z), and similarly for the reciprocal.

Equations (6)

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X = 0.9804 X c Z = 1.1812 Z c .
chroma = k [ ( V x V y ) 2 + 0.16 ( V z V y ) 2 ] 1 2 ,
ζ 1 = ( V x V y ) ( 9.37 + 0.79 cos θ ) ζ 3 = 0.4 ( V z V y ) ( 8.33 + 2.18 sin θ ) ,
ζ 1 = ( V x V y ) ( 9.37 + 0.79 cos θ ) ζ 3 = ( V z V y ) ( 3.33 + 0.87 sin θ ) ,
9.37 + 0.79 cos θ
3.33 + 0.87 sin θ ,