ALEXANDRIA, Va., July 14 -- United States Patent no. 12,682,434, issued on July 14, was assigned to Sharp K.K. (Sakai City, Japan).

"Image processing apparatus and image processing method" was invented by Daisaku Imaizumi (Sakai City, Japan) and Teruhiko Matsuoka (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An image inputter and a controller are provided, and the controller acquires a multiple-value image via the image inputter, acquires a first image obtained by performing a correction process and a simple binarization process on the multiple-value image and a second image obtained by performing the correction process on the multiple-value image, uses a difference value of a pixel value...