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revision 1.189 by tjl, Sun Dec 1 20:12:53 2002 UTC revision 1.190 by tjl, Sun Dec 1 20:21:03 2002 UTC
# Line 559  Color is the most dominant visual attrib Line 559  Color is the most dominant visual attrib
559  Therefore, it is essential that the overall colors of the  Therefore, it is essential that the overall colors of the
560  backgrounds are maximally diverse with respect to color perception.  backgrounds are maximally diverse with respect to color perception.
561  However, we come again to the entropy arguments  However, we come again to the entropy arguments
562  in Section~\ref{secfeaturevec}:  of Section~\ref{secfeaturevec}:
563  too many different colors in one background are perceived just  too many different colors in one background are perceived just
564  as a mix of many colors, making all such backgrounds look the same.  as a mix of many colors, making all such backgrounds look the same.
 The backgrounds of random texels discussed earlier are an  
 extreme example of this.  
565    
566  To maintain color balance,  To maintain color balance,
567  we use a small palette of colors for each background,  we use a heuristically selected
568  chosen by heuristic perceptual methods. The  small palette of colors for each paper.
569  register combiners then produce linear combinations  The final image contains convex combinations of
570  of these base colors.  the palette colors.
571    
572    
573    
574  %In addition to choosing perceptually diverse colors,  %In addition to choosing perceptually diverse colors,

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