Video frame compression/decompression hardware system
US6798833B2 · kind B2 · utility
10Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2001 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Jan 25, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/91
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system performing compression and decompression of video frame comprises a compression system, including an input control unit, a frequency transforming unit, a quantization and Rice mapping unit, a bit count combination unit, an encoding and an output control unit. The system also includes a decompression system, including a decompression input control unit, a decoding unit, an inverse quantization and inverse Rice mapping unit, an inverse frequency transforming unit and a decompression output control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.