Image-filtering method and apparatus, and encoding/decoding method and apparatus using same
US9532065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2011 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | May 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/865
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image filtering apparatus and method and a video encoding/decoding apparatus and method using the same are disclosed. The image filtering apparatus includes: a boundary identifying unit for identifying a boundary between two transform blocks included in an image; a pixel/strength selecting unit for selecting a filtering strength according to a size of at least one transform block among the two transform blocks; and a filtering unit for filtering at least one pixel included in a region adjacent to the boundary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.