ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,501, issued on Feb. 17, was assigned to CHRISTIE DIGITAL SYSTEMS USA INC..

"Display system calibration" was invented by Elin Y. Liu (Toronto), Peter Anthony Van Eerd (Guelph, Canada), Nicholai Wasilka (Kitchener, Canada) and Jarrod Griffin Pas (Kitchener, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for calibrating a display system is provided. A test pattern for display is presented. The test pattern includes a plurality of blobs. Using a camera, an image comprising one or more of the plurality of blobs in the presented test pattern is captured. An exposure calibration parameter is calculated using a ratio of a maximum brightness ...