ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,833, issued on April 21, was assigned to Axis AB (Lund, Sweden).
"Signing video for reduced bit rate" was invented by Bjorn Volcker (Lund, Sweden) and Stefan Lundberg (Lund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of signing prediction-coded video data comprises: obtaining a coded video sequence comprising a set of frames including at least one intra frame having independently decodable image data, and at least one inter frame, containing image data decodable by reference to another frame; generating a group hash of the coded video sequence by hashing the image data of the coded video sequence; generating a plurality of indiv...