Request bits estimation for a Wyner-Ziv codec
US7388521B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2006 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Oct 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/395
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Request bits estimation for a Wyner-Ziv codec is described. In one aspect, and prior to communicating Wyner-Ziv parity bits to a Wyner-Ziv decoder, an estimated total number of parity bits to send to the Wyner-Ziv decoder are determined. This estimated number of parity bits allows the Wyner-Ziv decoder to reconstruct a frame of different coded content using the Wyner-Ziv parity bits such that the reconstructed frame will meet particular quality criteria. This estimated number of parity bits is determined independent of a request-bits feedback loop between the Wyner-Ziv coder and the Wyner-Ziv decoder. The estimated number of parity bits is communicated to the Wyner-Ziv decoder for reconstruction and presentation of the frame to a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.