ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,650, issued on March 18, was assigned to 7-ELEVEN INC. (Irving, Texas).
"Homography error correction using a disparity mapping" was invented by Shahmeer Ali Mirza (Celina, Texas), Sailesh Bharathwaaj Krishnamurthy (Irving, Texas) and Kyle Dalal (Coppell, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object tracking system that includes a first sensor and a second sensor that are each configured to capture frames of at least a portion of a global plane for a space. The system is configured to identify a first pixel location for a marker within a first frame and to determine an (x,y) coordinate for the marker using a first homography. The s...