Image processing apparatus and image conversion apparatus
US8818123B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 24, 2009 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Dec 9, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/86
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A technique for eliminating the unnaturalness in a generated moving image while achieving high speed processing in an image processing apparatus which includes a deblocking filter is provided. A transcoder includes an MPEG2 decoder, a strength evaluation circuit, and an H.264 encoder. The strength evaluation circuit calculates a filter strength parameter on the basis of an image feature value parameter acquired by the MPEG2 decoder. The H.264 encoder applies a deblocking filter to an input image on the basis of the filter strength parameter in a coding process. The H.264 encoder codes a picture while the strength evaluation circuit performs a filter strength calculation process on a subsequent picture concurrently.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.