ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,636, issued on Oct. 14, was assigned to Axis AB (Lund, Sweden).
"Method and device for signing an encoded video sequence" 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 device and a method of signing an encoded video sequence comprising: obtaining an encoded video sequence composed of encoded image frames; generating a set of one of more frame fingerprints for each encoded image frame; generating a document comprising a header of a supplemental information unit, and a representation of the generated sets of one or more frame fingerprints; generating a document signature...