Illuminant-independent compression of color images

Werner Praefcke; Frank Mueller; Klaus Illgner

doi:10.1117/12.236978

29 March 1996 Illuminant-independent compression of color images

Werner Praefcke, Frank Mueller, Klaus Illgner

Proceedings Volume 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts; (1996) https://doi.org/10.1117/12.236978
Event: Electronic Imaging: Science and Technology, 1996, San Jose, CA, United States

Abstract

The coding of color images is usually confined to coding the color appearance for the illumination present at acquisition time. However, an exact reconstruction of a coded and transmitted document should produce the same color appearance as the original under variable illuminations. In this work we develop a representation of the necessary information to ensure such a color constancy. The only precondition is the absence of mutual illumination as a small but reasonable restriction to the type of illumination. The proposed image representation is developed to a complete image coder concept. Using this concept a hierarchical image description is achieved introducing a minimal color difference.

Citation Download Citation

Werner Praefcke, Frank Mueller, and Klaus Illgner "Illuminant-independent compression of color images", Proc. SPIE 2658, Color Imaging: Device-Independent Color, Color Hard Copy, and Graphic Arts, (29 March 1996); https://doi.org/10.1117/12.236978

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