ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,385, issued on May 12, was assigned to Canon K.K. (Tokyo).

"Apparatus, method, and storage medium" was invented by Azusa Tsukahara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for calculating a parallax based on a first image and a second image calculates a cross-correlation value between a first criterion image set on the first image and a first reference image set on the second image, calculates an auto-correlation value between a second criterion image and a second reference image set on either one of the first image and the second image, calculates a parallax amount between the first image and the second image by using the c...