Patent · US Active

Signaling coding and display options in entry point headers

US7924921B2 · kind B2 · utility

28Cited by
78References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2004
Grant dateApr 12, 2011
Priority date
Expiry dateJun 27, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/8455
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A decoder receives an entry point header comprising plural control parameters for an entry point segment corresponding to the entry point header. The entry point header is in an entry point layer of a bitstream comprising plural layers. The decoder decodes the entry point header. The plural control parameters can include various combinations of control parameters such as a pan scan on/off parameter, a reference frame distance on/off parameter, a loop filtering on/off parameter, a fast chroma motion compensation on/off parameter, an extended range motion vector on/off parameter, a variable sized transform on/off parameter, an overlapped transform on/off parameter, a quantization decision parameter, and an extended differential motion vector coding on/off parameter, a broken link parameter, a closed entry parameter, one or more coded picture size parameters, one or more range mapping parameters, a hypothetical reference decoder buffer parameter, and/or other parameter(s).

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