US Patent Issued to Huawei Technologies'Co., 'Ltd.' on Oct. 28 for "Encoding and decoding methods and apparatuses for enhancement layer" (Chinese, Singaporean Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,334, issued on Oct. 28, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Encoding and decoding methods and apparatuses for enhancement layer" was invented by Yi Song (Shenzhen, China), Peiyun Di (Shenzhen, China), Shaolin Chen (Shenzhen, China) and Yixuan Zhang (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "An encoding method includes: an encoder obtains a reconstructed block of a base layer of a to-be-encoded picture block; calculates a difference between corresponding pixels in the to-be-encoded picture block and the reconstructed block of the base layer to obtain a residual block of an enhancement layer of the to-be-en...