Apparatus for recombining prioritized video data
US5148272A · kind A · utility
152Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1991 |
| Grant date | Sep 15, 1992 |
| Priority date | — |
| Expiry date | Feb 27, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44004
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus for decoding an HDTV signal conveyed as high and low priority data in high and low priority channels respectively, wherein said high and low priority data originated from blocks of hierarchically encoded compressed video data, with data of greater importance for image reproduction from each block allocated to the high priority channel and the remaining data from each block allocated to the low priority channel, includes circuitry for identifying and segmenting high and low priority data for corresponding blocks and recombining the high and low priority data into an hierarchically encoded compressed video data stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.