ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,905, issued on May 12, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).
"Method and system for estimating auto-focus disparity in a CMOS image sensor" was invented by Girish Kalyanasundaram (Bengaluru, India) and Sreeja J (Bengaluru, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for estimating an Auto-Focus (AF) disparity in Complementary Metal-Oxide-Semiconductor (CMOS) image sensor. The method includes acquiring left phase AF pixel data and right phase AF pixel data from a pixel array of the CMOS image sensor and generating difference channel signal and sum channel signal by pre-processing the left ...