Intra frame beating effect reduction
US8654844B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Oct 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/177
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system (and a method) are disclosed for reducing intra frame beating effect at frame level and macroblock (MB) level within a video processing system. The frame-level system includes a pre-encoding unit, a reconstruction unit, an intra-beat frame evaluation unit, an intra-beat frame selection unit and an entropy encoding unit. The pre-encoding unit identifies an intra-beat frame of current group of pictures (GOP) and its corresponding intra-beat reference frame, and predicts the intra-beat frame by its intra-beat reference frame. The intra-beat frame evaluation unit calculates an intra-beat frame score. The intra-beat frame selection unit selects an intra-beat frame for re-encoding. The macroblock-level system includes corresponding processing units as frame-level system, but configured to efficiently process MBs. The macroblock-level system allows each MB of an intra-beat frame to be selectively pre-filtered using its intra-beat reference frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.