Study of systemic chromatic changes in color space to model color transparency

Peggy Gerardin; Sabine E. Suesstrunk; Kenneth Knoblauch

doi:10.1117/12.477776

17 June 2003 Study of systematic chromatic changes in color space to model color transparency

Peggy Gerardin, Sabine E. Suesstrunk, Kenneth Knoblauch

Proceedings Volume 5007, Human Vision and Electronic Imaging VIII; (2003) https://doi.org/10.1117/12.477776
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

Several studies have suggested that translation and convergence in a linear trichromatic color space lead to the perception of transparency, but other transformations, such as shear and rotation, do not. We have designed a psychophysical experiment to study the limits of such systemic chromatic changes, adding categories such as different luminance levels and vector lengths. The number of our stimuli and the number of observations provide strong statistical support for D'Zmura's model. Our main results show that for vectors exceeding a minimal length, convergence and translation (except in the equiluminant plane) lead to the perception of transparency, while shear and divergence do not. However, our results reveal that small shears and divergences also appear transparent. We also found that large translations in the equiluminant plane tend to be less often judged as transparent.

Citation Download Citation

Peggy Gerardin, Sabine E. Suesstrunk, and Kenneth Knoblauch "Study of systematic chromatic changes in color space to model color transparency", Proc. SPIE 5007, Human Vision and Electronic Imaging VIII, (17 June 2003); https://doi.org/10.1117/12.477776

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