ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,643, issued on June 17, was assigned to Cista System Corp. (Grand Cayman, Cayman Islands).
"Apparatus and method of dark current calibration and correction" was invented by ChingJu Hsiao (Tainan, Taiwan) and Zhaojian Li (Fremont, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application describes methods and systems for dark shading calibration and correction. An example method may include configuring an image sensor into a plurality of sensor states to capture a plurality of dark images, determining a dark current distribution on each of the plurality of dark images captured by the image sensor to obtain a plurality of dark current dis...