Patent · US Expired

Motion compensated video decoding method and system for decoding a coded video signal using spatial and temporal filtering

US5742344A · kind A · utility

35Cited by
19References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1996
Grant dateApr 21, 1998
Priority date
Expiry dateApr 3, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/50
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video coding apparatus comprising a memory for storing a coded picture signal used as a reference picture signal, a vector detecting circuit for detecting, from plural field picture signals or plural frame picture signals which are read out from the memory and the reference picture signals, an optimum motion regarding a picture to be coded, a prediction signal producing circuit for subjecting a spatial-temporal filtering to a reference picture designated by the optimum motion vector to produce a prediction signal, and a coding circuit for coding the to-be coded picture signal on the basis of the prediction signal.

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