Patent · US Active

Indicating regions within a picture

US7826531B2 · kind B2 · utility

34Cited by
11References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2006
Grant dateNov 2, 2010
Priority date
Expiry dateMar 24, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/89
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for indicating size, shape and location of a region within a digital picture the picture being divided into a set of blocks. A value for at least one size parameter, which is indicative of a number of the blocks within said region is defined, and a value for at least one shape evolution parameter, which is indicative of a selection order of the blocks in said region is selected. Then preferably the values for said at least one size parameter and said at least one shape evolution parameter are encoded into a bitstream of a video sequence in order to indicate size, shape and location of the region within the picture.

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