Filter device, image decoding device, image encoding device, and filter parameter data structure
US8805100B2 · kind B2 · utility
18Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2011 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Aug 10, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/86
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loop filter section according to an embodiment of the present invention includes: a BF section selectively acting on a block boundary of an image processed block by block; and an adaptive filter section including a first linear filter section that acts on an input image to be supplied to the BF section and a second linear filter section that acts on an output image of the BF section. The adaptive filter section performs addition of an output image of the first linear filter section and an output image of the second linear filter section to output a result of the addition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.