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Effects of luminance quantization error on color image processing

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2 Author(s)
J. J. Rodriguez ; Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA ; C. C. Yang

A common approach to color image processing is to apply monochrome techniques to the quantized intensity component. However, the quantization error in the intermediate intensity image propagates to the final processed image. This can lead to significant distortion, depending on the input RGB values and on the particular image processing function being applied. A theoretical analysis of the worst-case quantization error is presented. Experimental results with histogram equalization demonstrate how the histogram resolution affects the performance

Published in:

IEEE Transactions on Image Processing  (Volume:3 ,  Issue: 6 )