Signaling coding and display options in entry point headers
US7924921B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2004 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | Jun 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.