Degree of color constancy in a photograph perceived as 3D space

Yoko Mizokami; Hiroyuki Shinoda; Mitsuo Ikeda

doi:10.1117/12.464570

6 June 2002 Degree of color constancy in a photograph perceived as 3D space

Yoko Mizokami, Hiroyuki Shinoda, Mitsuo Ikeda

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464570
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

We recognize the outside world as a 3-D space in spite of its two-dimensional retinal image. We demonstrated a two- dimensional photograph could be perceived as a 3-D scene in a special 'dimension-up' viewing condition that a subject observed only the photograph. The color constancy was then realized in part even in the photograph and its degree increases depending on the degree of 3-D recognition. A jumbled photograph was made from an original photograph taken for a room under incandescent lamps. Either was on a wall of an experimental booth illuminated by white light. In the normal viewing condition, the subjects perceived neutral white for almost the same test stimulus whether in the original or the jumbled. In the dimension-up viewing condition, the shift of the neutral perception for the original photograph was larger than for the jumbled. This should indicate that the recognized visual space of illumination (RVSI) for the scene illuminated by incandescent lamps was constructed for the original photograph and the test stimulus was perceived as an object in the scene. The degree of the color constancy was larger in the photograph perceived as a 3-D scene than in that perceived as a mere two-dimensional scene.

Citation Download Citation

Yoko Mizokami, Hiroyuki Shinoda, and Mitsuo Ikeda "Degree of color constancy in a photograph perceived as 3D space", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464570

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