ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,894, issued on Feb. 3, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Method, an apparatus and a computer program product for implementing gradual decoding refresh" was invented by Miska Matias Hannuksela (Tampere, Finland), Limin Wang (Springfield, Calif.), Seungwook Hong (San Diego) and Krit Panusopone (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present embodiments relate to a method for encoding and a technical equipment for implementing the method. The method includes receiving a sequence of pictures to be encoded; defining a refresh period for coded pictures, wherein the decoded recovery point picture and all subseque...