ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,904, issued on April 21, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Method and apparatus for image preprocessing based on object of interest" was invented by Hee-Kyung Lee (Daejeon, South Korea), Jin-Young Lee (Seoul, South Korea) and Hyon-Gon Choo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a method for image preprocessing based on an object of interest. The method includes extracting an object region of interest from an input image, adjusting the object of region of interest, and adjusting a background region excluding the object region of interest."...