Wavelet domain motion compensation system
US7242717B2 · kind B2 · utility
12Cited by
11References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2001 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Dec 20, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/63
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Motion estimation for interframe coding of digital video is performed by matching blocks of transform coefficients representing a frame to be predicted with a phase-allocated array of coefficients representing a reference frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.