Abstract

An analysis of the results of Land’s experiments with two-primary color projections has been carried out in terms of the known phenomena of object-color perception. It is shown that no new theory is required for the prediction of Land’s result that two-primary color projections can produce object-color perceptions of all hues; nor for his result that many choices of pairs of primaries yield substantially the same object-color perceptions. Land’s hypothesis that when the colors of the patches of light making up a scene are restricted to a one-dimensional variation of any sort, the observer usually perceives the objects in that scene as essentially without hue, is new; several special cases of it are supported by previous work as well as Land’s. This hypothesis deserves the serious attention of research workers in object-color perception.

© 1960 Optical Society of America

Color Perception and the Land Two-Color Projections

Richard Belsey
J. Opt. Soc. Am. 54(4) 529-531 (1964)

Range of Perceived Hues in Two-Primary Projections

D. E. Pearson and C. B. Rubinstein
J. Opt. Soc. Am. 60(10) 1398-1403 (1970)

Comparison of Perceived Color in Two-Primary Computer-Generated Artificial Images with Predictions Based on the Helson–Judd Formulation

D. E. Pearson, C. B. Rubinstein, and G. J. Spivack
J. Opt. Soc. Am. 59(5) 644-658 (1969)

Color-Matching Responses to Red Light of Varying Luminance and Purity in Complex and Simple Images

Lawrence Wheeler
J. Opt. Soc. Am. 53(8) 978-993 (1963)

Some Color Demonstrations I Have Shown

Deane B. Judd
J. Opt. Soc. Am. 49(4) 322-328 (1959)