ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,563,238, issued on Feb. 24, was assigned to AXIS AB (Lund, Sweden).

"Encoding of pre-processed image 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 for encoding an image frame, performed by an image processing device, comprising obtaining image data, and identifying an image area in an image frame based on that the image area fulfilling an identification criterion. The method further comprises determining a bit depth reduction factor for the identified image area by analyzing the image data in the identified image area, and replacing some of the bit values of the p...