Video encoding method, video encoding device, and video encoding program
US8345767B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2007 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Aug 6, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video encoding method comprises the steps of converting syntax data of an image block into a binary sequence; encoding each symbol of the binary sequence subject to its corresponding context; estimating the number of bits required for the binary arithmetic encoding of the syntax data of the image block; deciding whether to encode the syntax data of the image block to output it responding to the estimated bit number; and updating the context corresponding the syntax data decided to be encoded and to be outputted and not updating the context corresponding to the syntax data decided not to be encoded and not to be outputted. The estimating step uses the maximum value of the number of arithmetic encoding output bits for its input symbols as the aforementioned number of bits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.