Optimization of color conversion for face recognition
EURASIP Journal on Applied Signal Processing
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This paper describes a color space optimized for processing images of uniformly colored objects. Standard RGB color space is an ineffective space for this type of processing due to the high cross-correlation between color channels. The proposed bde color space establishes a primary axis containing the expected color range of the object. The second and third coordinates contain magnitude and chromaticity of any deviation from the expected color. The separation into application specific coordinates is the main advantage of the new color space. The new color space has been used in two industrial inspection systems and has been implemented in hardware.