US Patent Issued to Axis on Nov. 4 for "Video stream overlay encoding using no-display frames and motion vectors calculated based on known position-differences between frames" (Swedish Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,141, issued on Nov. 4, was assigned to Axis AB (Lund, Sweden).

"Video stream overlay encoding using no-display frames and motion vectors calculated based on known position-differences between frames" was invented by Viktor Edpalm (Lund, Sweden) and Song Yuan (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of encoding a video stream including an overlay is provided, including: capturing a first image; adding an overlay to the first image at a first position, and encoding the first image in a first frame of a video stream; capturing a second image of the scene; determining a desired position of the overlay in the second image; enc...