ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,068, issued on Aug. 19, was assigned to Smart Window Inc. Ltd. (Kowloon, Hong Kong).
"Cloud forecasting for electrochromic devices" was invented by Christian Humann (Berkeley, Calif.) and Andrew McNeil (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes identifying images corresponding to sky conditions. The method further includes isolating cloud pixels from sky pixels in each of the images. Responsive to determining percentage of cloud pixels in one or more of the images meets a threshold value, the method further includes determining predicted cloud movement relative to sun position by tracking similar feature points...