/[gzz]/manuscripts/Paper/paper.tex
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revision 1.135 by tjl, Fri May 2 18:04:26 2003 UTC revision 1.136 by jvk, Fri May 2 19:39:03 2003 UTC
# Line 698  over the distribution of textures should Line 698  over the distribution of textures should
698      independently from each other.      independently from each other.
699    
700  \else  \else
701      The distribution should contain occurrences      The distribution should contain occurrences of
702      as many different features      as many different features
703      as possible, and      as possible, and
704      the features should be distributed      the features should be distributed
# Line 729  In a sense, the model of perception shou Line 729  In a sense, the model of perception shou
729  in order to produce a unique background from  in order to produce a unique background from
730  a random vector.  a random vector.
731  Features that are orthogonal for human perception  Features that are orthogonal for human perception
732  (e.g.,~color and  direction of fastest luminance change)  (e.g.,~color and the direction of the fastest luminance change)
733  should be independently random, and features not orthogonal  should be independently random, and features not orthogonal
734  (e.g., colors of neighbouring pixels)  (e.g., colors of neighbouring pixels)
735  should be correlated so as to maximize the entropy.  should be correlated so as to maximize the entropy.
# Line 767  in the texture ``channel''. Line 767  in the texture ``channel''.
767  % relatively small basis size, not to have too many features. XXX why?  % relatively small basis size, not to have too many features. XXX why?
768    
769    
770  An important point is generating the backgrounds is that  An important point in generating the backgrounds is that
771  the texture appearance should have {\em no correlation} with any attribute  the texture appearance should have {\em no correlation} with any attribute
772  or content of the document  or content of the document
773  so that the textures of any hyperlinked documents  so that the textures of any hyperlinked documents

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