Patent · US Expired

Method for video error concealment by updating statistics

US7466755B2 · kind B2 · utility

4Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 10, 2003
Grant dateDec 16, 2008
Priority date
Expiry dateJul 8, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/895
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method of error concealment that includes providing a first set of image data at a first time instant, providing a second set of image data at a second time instant, representing the first set of image data by a model of updating mixture of principal components (UMPC) to form a UMPC model having a plurality of components, receiving the second set of image data, wherein the second set of image data contains error-free data, and updating the UMPC model using the error-free data at the second time instant.

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