Coding unit size adaptive palette mode for video compression system
US10652537B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2018 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Nov 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/186
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for improving efficiency of decoding performance of a video compression system by selectively applying, based on the size of the coding unit, a prediction method, a palette mode, or palette-based residual refinement method which combines the palette mode and the traditional prediction methods comprising deriving a prediction block of a coding unit, decoding palette-based residual information of the coding unit, deriving a palette-based residual block based on the decoded palette-based residual information, and combining the prediction block and the palette-based residual block to construct a reconstructed block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.