Video compression searching reference frame in hybrid growing-window and sliding-window
US9204157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2011 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Sep 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/625
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method for organizing pixel information in memory. A method according to an embodiment of the disclosure includes storing data representative of pixels of a scene in a growing window (“GW”) portion of a reference frame in an on-chip memory, storing data representative of pixels of the visual scene in a sliding window (“SW”) portion of the reference frame thereby forming a hybrid window, searching the memory to locate a portion of the stored data that corresponds with data representative of pixels in a current frame descriptive of the scene, performing motion estimation according to results of the search, generating a compressed version of the current frame according to results of the motion estimation, and storing the compressed version for later visual rendering. The system includes a processing unit and a video encoder. The processing unit includes an on-chip memory. The video encoder includes a motion estimation engine and a compression unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.