Patent · US Active

Adaptive filtering

US8576906B2 · kind B2 · utility

40Cited by

1References

16Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Kenneth Andersson · Gävle, SE
Jonatan Samuelsson · Stockholm, SE
Clinton Priddle · Brisbane, AU
Per Fröjdh · Stockholm, SE
Rickard Sjöberg · Stockholm, SE

Key dates

Filing date	Oct 8, 2008
Grant date	Nov 5, 2013
Priority date	—
Expiry date	Jan 26, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04N19/70
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A method and device for determining an adaptive filter having multiple filter parameters, wherein a first filter parameter has a first level of adaptivity and a second filter parameter has a second, different level of adaptivity. Parameter values for the first filter parameter are determined among a first set of allowable filter parameter values. Parameter values for the second filter parameter are correspondingly determined among a second, different set of allowable filter parameter values. The different levels of adaptivity in the filter parameters are achieved because the second set includes more allowable filter parameter values than the first set. The adaptive filter is advantageously used in filtering in intra- or inter-predication during video encoding and decoding.

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