Patent · US Expired

Decoding of predicted AC coefficient without division

US7113646B2 · kind B2 · utility

9Cited by
3References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 28, 2002
Grant dateSep 26, 2006
Priority date
Expiry dateAug 7, 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 AC coefficient includes calculating and storing the values of I//AC_stepsize in a table. This allows one to convert a division into a multiplication.

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