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Real-Time Color Gamut Mapping Method Based on the Three-Dimensional Difference Look-Up Table  

Han, Dong-Il (Department of Computer Engineering, Sejong University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.42, no.6, 2005 , pp. 111-120 More about this Journal
Abstract
A cost effective three-dimensional color gamut mapping architecture is described. The conventional three-dimensional reduced resolution look-up table is considered and the concept of three-dimensional reduced resolution difference look-up table is introduced for cost effective and real-time color gamut mapping. The overall architecture uses one-dimensional memory decomposition of three-dimensional gamut mapping look-up table, three-dimensional interpolation and simple addition operation for generating the final gamut mapped colors. The required computational cost is greatly reduced by look-up table resolution adjustment and further reduced by the gamut mapping rule modification. The proposed architecture greatly reduces the required memory size and hardware complexity compared to the conventional method and it is suitable for real-time applications. The proposed hardware is suitable for FPGA and ASIC implementation and could be applied to the real-time display quality enhancement purposes.
Keywords
Color gamut mapping; Image processing; Display quality enhancement;
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Times Cited By KSCI : 1  (Citation Analysis)
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