ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,630, issued on Jan. 27, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Image processing method and apparatus" was invented by Quanhe Yu (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "An image processing method includes obtaining a target picture and an initial tone mapping curve of the target picture, determining a plurality of interpolation points based on luminance information and/or dynamic metadata of the target picture, and determining a spline function that passes through the plurality of interpolation points, where the spline function is smoothly connected to the initial tone mapping curve at at least one of the pl...