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Text File  |  2002-03-09  |  117 b   |  4 lines
  1. 46*ln(abs(R1 - (R1 + G1 + B1)/2) + 1)
  2. 46*ln(abs(G1 - (R1 + R1 + B1)/2) + 1)
  3. 46*ln(abs(B1 - (R1 + R1 + G1)/2) + 1)
  4.