Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units
US10027972B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2017 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Jul 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/184
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.