Patent ID: 7075552

Claim:
A system of calibrating a display grid having a plurality of display devices comprising: a computer readable medium; and, a set of computer readable instructions embodied in said computer readable medium for initializing lookup table values representing default luminance levels of said first display device, measuring the output of each one of said plurality of display devices of said display grid, determining a gray ramp for each display of said display grid from said output measurements, mapping said gray ramp to L* of CIELAB color model of said first display device, adjusting said lookup table values of each display of said display grid according to said gray ramp mapping and L*, determining a pixel array according to said lookup tables for each of said display devices of said display grid, extrapolating said pixel array into a correction map for each of said display devices of said display grid so that said correction map can be used to display an image with consistent luminance and color across said display grid.