ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,381, issued on Jan. 13, was assigned to Apple Inc. (Cupertino, Calif.).
"Sliding window for image keypoint detection and descriptor generation" was invented by David R. Pope (Campbell, Calif.), Liran Fishel (Raanana, Israel), Assaf Metuki (Moshav Herut, Israel) and Muge Wang (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments relate to extracting features from images, such as by identifying keypoints and generating keypoint descriptors of the keypoints. An apparatus includes a pyramid image generator circuit, a keypoint descriptor generator circuit, and a pyramid image buffer. The pyramid image generator circuit generates an...