ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,790, issued on Dec. 2, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Self-supervised learning method based on permutation invariant cross entropy and electronic device thereof" was invented by Hoon Chung (Daejeon, South Korea), Byung Ok Kang (Daejeon, South Korea) and Yoonhyung Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a self-supervised learning method based on permutation invariant cross entropy. A self-supervised learning method based on permutation invariant cross entropy performed by an electronic device includes: defining a cross entropy loss function for...