Patent · US Expired

Video coding apparatus using inter-field prediction

US5986713A · kind A · utility

17Cited by
19References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1998
Grant dateNov 16, 1999
Priority date
Expiry dateJun 11, 2018

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.