Patent · US Expired

Apparatus and method for motion compensation

US7221708B1 · kind B1 · utility

1Cited by
1References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2002
Grant dateMay 22, 2007
Priority date
Expiry dateSep 12, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/51
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus and method for generating a motion compensated matrix, the method includes the steps of: (i) providing a motion vector and at least one input matrix of DCT coefficients; (ii) selecting at least one conversion transform (CT) and at least one inverse conversion transform (ICT) in response to a content of the motion vector; and (iii) applying the at least one selected ICT and the at least one selected CT to provide a motion compensated matrix.

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