Intra prediction method and device in video coding system
US10574984B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2016 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Sep 18, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/80
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An intra prediction method includes the steps of: acquiring intra prediction mode information from a bitstream; deriving neighboring samples of a current block; determining an intra prediction mode for the current block on the basis of the intra prediction mode information; deriving a prediction sample of the current block on the basis of the intra prediction mode and the neighboring samples; determining filtering reference samples for the prediction sample on the basis of the intra prediction mode; and deriving a filtered prediction sample by applying filtering to the prediction sample on the basis of the filtering reference samples. According to the present invention, a prediction sample can be adaptively filtered according to the intra prediction mode, and intra prediction performance can be improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.