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 |
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in Section~\ref{secfeaturevec}: |
of Section~\ref{secfeaturevec}: |
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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. |
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The backgrounds of random texels discussed earlier are an |
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extreme example of this. |
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565 |
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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 |
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572 |
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573 |
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574 |
%In addition to choosing perceptually diverse colors, |
%In addition to choosing perceptually diverse colors, |