ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,196, issued on Nov. 25, was assigned to Snap Inc. (Santa Monica, Calif.).
"Light invariant pattern mapping" was invented by Oliver Woodford (Santa Monica, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A correlation system can be implemented on a user device (e.g., smartphone) to perform image processing tasks e.g., point to point correlations for tasks such as alignment, tracking, and reconstruction of model data. The correlation system can implement normalized cross correlation in a least squares optimization scheme without use of approximations. Normalized cross correlation optimized via least squares can further implement global and local...