Patent ID: 7982707
Filing Date: 2011-07-19
Classification: G09G

Abstract:
1. A method for adjusting input image code values for display with a reduced source light power level, said method comprising: a) determining a source light power level, P; b) determining a display black level corresponding to said source light power level, B; c) determining a maximum display output corresponding to said source light power level, W; d) determining a display gamma value, γ; e) determining a maximum input code value, cvMax; f) determining a minimum input code value, cvMin; g) calculating a boost slope, α; h) calculating a boost intercept, β; i) calculating a least fidelity point, LFP; j) calculating a maximum fidelity point, MFP; k) defining a tone scale adjustment curve using a hardware device, wherein said tone scale adjustment curve comprises: l) receiving an input image comprising input image code values representing a, tangible object; and m) applying said tone scale adjustment curve to said input image code values.