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Abstract

A method is provided to smooth photometric variations across multi-projector displays. Photometric calibration is performed to generate a luminance attenuation map (LAM) for each projector. An image for each projector is modified using the luminance attenuation map (LAM) for each projector to provide image correction in real time. In the photometric calibration step a digital camera is used to measure the color response of the multi-projector display. Using the generated luminance attenuation map (LAM) for each projector for image correction in real time smoothes out distracting color variations across the multi-projector display while maximizing a perceived dynamic range of the display.

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