Patent · US Expired

Decoding of predicted DC coefficient without division

US7068850B2 · kind B2 · utility

9Cited by
3References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 28, 2002
Grant dateJun 27, 2006
Priority date
Expiry dateJul 14, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/63
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A technique for eliminating the division in decoding a predicted DC coefficient includes calculating and storing the values of 1//DC_scalar in a table. This allows one to convert a division into a multiplication.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.