US Patent Issued to Dolby Laboratories Licensing on Aug. 25 for "Method and apparatus for adaptively encoding and decoding a quantization parameter based on a quadtree structure" (South Korean Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. RE51,015, issued on Aug. 25, was assigned to Dolby Laboratories Licensing Corp. (San Francisco).

"Method and apparatus for adaptively encoding and decoding a quantization parameter based on a quadtree structure" was invented by Dong Gyu Sim (Seoul, South Korea), Jung Hak Nam (Seoul, South Korea) and Hyung Ho Jo (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an apparatus and a method of encoding/decoding a video, particularly a method and an apparatus for storing a quantization parameter differential value in a largest coding unit (LCU) based on quadtree splitting and adaptively predicting a quantization parameter value bas...