Abstract

A theoretical formulation of diffuse reflection density of a glossy color print under perfectly diffuse illumination has been developed by taking into consideration the first-surface reflection from a gelatin layer and multiple internal reflections in a gelatin layer. The diffuse reflection density of a glossy color print under perfectly diffuse illumination is approximately equal to the specular reflection density of a color print adjusted for 5% surface reflection from the gelatin. The color gamuts obtainable in glossy color prints under perfectly diffuse illumination and under specular illumination (perpendicular to color prints) with 5% surface reflection are shown in comparison with those obtainable in color transparencies.

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  1. N. Ohta, Phot. Sci. Eng. 15, 487 (1971).
  2. F. C. Williams and F. R. Clapper, J. Opt. Soc. Am. 43, 595 (1953).
  3. N. Ohta, J. Opt. Soc. Am. 62, 129 (1972).
  4. J. A. C. Yule, Principles of Color Reproduction (Wiley, New York, 1967), p. 156.
  5. C. J. Bartleson (private communication).
  6. R. S. Longhurst, Geometrical and Physical Optics (Longmans, Green, London, 1957), p. 370.
  7. Reference 4, p. 209.
  8. D. B. Judd, J. Res. Natl. Bur. Std. (U.S.) 25, 329 (1942).
  9. R. M. Evans, W. T. Hanson, Jr., and W. L. Brewer, Principles of Color Photography (Wiley, New York, 1953).
  10. N. Ohta, paper presented at the Annual Symposium of the SPSE on Color Photography System, 21โ€“24 Oct. 1970. Information is available from the author.
  11. N. Ohta, Phot. Sci. Eng. 15, 399 (1971).

Bartleson, C. J.

C. J. Bartleson (private communication).

Brewer, W. L.

R. M. Evans, W. T. Hanson, Jr., and W. L. Brewer, Principles of Color Photography (Wiley, New York, 1953).

Clapper, F. R.

F. C. Williams and F. R. Clapper, J. Opt. Soc. Am. 43, 595 (1953).

Evans, R. M.

R. M. Evans, W. T. Hanson, Jr., and W. L. Brewer, Principles of Color Photography (Wiley, New York, 1953).

Hanson, Jr., W. T.

R. M. Evans, W. T. Hanson, Jr., and W. L. Brewer, Principles of Color Photography (Wiley, New York, 1953).

Judd, D. B.

D. B. Judd, J. Res. Natl. Bur. Std. (U.S.) 25, 329 (1942).

Longhurst, R. S.

R. S. Longhurst, Geometrical and Physical Optics (Longmans, Green, London, 1957), p. 370.

Ohta, N.

N. Ohta, paper presented at the Annual Symposium of the SPSE on Color Photography System, 21โ€“24 Oct. 1970. Information is available from the author.

N. Ohta, J. Opt. Soc. Am. 62, 129 (1972).

N. Ohta, Phot. Sci. Eng. 15, 487 (1971).

N. Ohta, Phot. Sci. Eng. 15, 399 (1971).

Williams, F. C.

F. C. Williams and F. R. Clapper, J. Opt. Soc. Am. 43, 595 (1953).

Yule, J. A. C.

J. A. C. Yule, Principles of Color Reproduction (Wiley, New York, 1967), p. 156.

Other (11)

N. Ohta, Phot. Sci. Eng. 15, 487 (1971).

F. C. Williams and F. R. Clapper, J. Opt. Soc. Am. 43, 595 (1953).

N. Ohta, J. Opt. Soc. Am. 62, 129 (1972).

J. A. C. Yule, Principles of Color Reproduction (Wiley, New York, 1967), p. 156.

C. J. Bartleson (private communication).

R. S. Longhurst, Geometrical and Physical Optics (Longmans, Green, London, 1957), p. 370.

Reference 4, p. 209.

D. B. Judd, J. Res. Natl. Bur. Std. (U.S.) 25, 329 (1942).

R. M. Evans, W. T. Hanson, Jr., and W. L. Brewer, Principles of Color Photography (Wiley, New York, 1953).

N. Ohta, paper presented at the Annual Symposium of the SPSE on Color Photography System, 21โ€“24 Oct. 1970. Information is available from the author.

N. Ohta, Phot. Sci. Eng. 15, 399 (1971).

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