Look-up tables for fast RGB -> luminance calculation


o times77
Look-up table for R
o times150
Look-up table for G
o times29
Look-up table for B
Look-up tables for fast RGB -> luminance calculation

	Example:
		gray = ((times77[r] + times150[g] + times29[b]) >> 8);
    

Author:
Sebastien Marcel (marcel@idiap.ch)
Version:
2.0 Fri 15 Jul 2005 11:35:11 AM CEST
Since:
1.0

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