Patent · US Expired

Multimodal quality assessment

US7197452B2 · kind B2 · utility

3Cited by
12References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 8, 2002
Grant dateMar 27, 2007
Priority date
Expiry dateOct 25, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/44008
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The quality of audiovisual material is assessed by measuring the audio an video quality and computing from these a combined measure. Using a parameter indicative of the degree of motion represented by the video, the computation employs one of a plurality of algorithms selected in dependence on the value of the parameter.

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