Abstract
I review a research project whose goal is to develop algorithms to automatically assess object color, despite an unknown ambient illumination. The successful completion of the project will require (1) identifying the nature of the image information that can—in principle—permit separation of object from lighting effects in the sensed image, (2) devising computational methods for obtaining the desired information, and (3) selecting a mapping from the numerical information in images into useful color descriptors. Each of these issues is reviewed, and hypotheses are described.
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This work was supported by Grant 2 RO1 EY03164 from the National Eye Institute and Grant NASA-NCC-2-44 from the National Aeronautics and Space Administration. I thank J. Farrell, L. Maloney, and M. Pavel for their comments.
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Wandell, B.A. Visual sensing by humans and computers. Behavior Research Methods, Instruments, & Computers 16, 88–95 (1984). https://doi.org/10.3758/BF03202364
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DOI: https://doi.org/10.3758/BF03202364