US Patent Issued to Comcast Cable Communications on Feb. 10 for "Block vector difference (BVD) coding" (Russian, American Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,760, issued on Feb. 10, was assigned to Comcast Cable Communications LLC (Philadelphia).

"Block vector difference (BVD) coding" was invented by Alexey Konstantinovich Filippov (Khimki, Russia), Vasily Alexeevich Rufitskiy (Vladimir, Russia) and Esmael Hejazi Dinan (McLean, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A video parameter (e.g., a block vector difference (BVD)) may be represented as a codeword encoded using an entropy code. The codeword may comprising a prefix part and a suffix part. A prefix part may indicate a range of values, and a suffix part may indicate a specific value within the range. Efficient entropy coding may be achie...