ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,352, issued on Nov. 4, was assigned to Axis AB (Lund, Sweden).
"Method for thermal image processing" was invented by Thomas Winzell (Lund, Sweden), Lidia Gridneva (Lund, Sweden) and Jimmy Heimdal (Lund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for thermal image processing, comprises: acquiring a thermal image depicting a scene; obtaining a frequency distribution based on pixel intensities of the thermal image; processing the frequency distribution to determine whether the frequency distribution comprises a peak, caused by a hot object in the scene, which is separated from a thermal background of the scene by more than an intensi...