US Patent Issued to ATI Technologies on May 27 for "Quantization parameter map for video encoding with constant perceptual quality" (Canadian Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,857, issued on May 27, was assigned to ATI Technologies ULC (Markham, Canada).

"Quantization parameter map for video encoding with constant perceptual quality" was invented by Feng Pan (Markham, Canada), Crystal Yeong-Pian Sau (Markham, Canada), Wei Gao (Markham, Canada), Mingkai Shao (Markham, Canada), Dong Liu (Markham, Canada), Ihab M. A. Amer (Markham, Canada) and Gabor Sines (Markham, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processing apparatus and video encoding method are provided which include receiving a portion of a video sequence and determining complexities for blocks of pixels of the portion of the video sequence. Quanti...