US Patent Issued to InterDigital VC Holdings on Dec. 23 for "Scalar quantizer decision scheme for dependent scalar quantization" (French Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,870, issued on Dec. 23, was assigned to InterDigital VC Holdings Inc. (Wilmington, Del.).

"Scalar quantizer decision scheme for dependent scalar quantization" was invented by Ya Chen (Cesson-Sevigne, France), Fabrice Leleannec (Cesson-Sevigne, France), Tangi Poirier (Cesson-Sevigne, France) and Philippe De Lagrange (Cesson-Sevigne, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "When dependent scalar quantization is used, the choice of the quantizer depends on the decoding of the preceding transform coefficient, and the entropy decoding of a transform coefficient depends on quantizer choice. To maintain high throughput in hardware implementati...