ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,813, issued on June 30, was assigned to Ambarella International LP (Santa Clara, Calif.).
"Grid-based quantization-aware compression for high dynamic range images" was invented by Chih-Chun Lee (Hsinchu City, Taiwan), Chi Hong Ju (Saratoga, Calif.), Pei-Chen Lin (Tainan City, Taiwan) and Pei-Chien Yu (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising an interface and a processor. The processor may be configured to determine a grid size for a compression operation in response to a source bit-depth and a compressed bit-depth, divide the image frames into grids in response to the grid size, analyze the pixel dat...