ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,001, issued on Jan. 20, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Apparatus and method for inspecting external appearance of product" was invented by Hyoseung Jeon (Daejeon, South Korea) and Tae Young Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An appearance inspection method of a product according to embodiments of the present invention may include obtaining and pre-processing an image of appearance of a target object; pre-processing the image; extracting a region of interest from the preprocessed image and obtaining a brightness-corrected image by performing brightness correction on the extracted r...