Image fluctuation correction
US5796427A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1995 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Dec 19, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/144
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for correcting image fluctuation which does not deteriorate quality of an image even when performing compensation of a fluctuation is provided with a first memory 13 for storing an image information Di which represents an image and is generated on the basis of the image signal Sin, a second memory 14 for storing an image information D1 read from the first memory 13, a fluctuation detector 16 for detecting a fluctuation of an image pickup device, a memory controller 17 for controlling writing and reading of the first and second memories 13 and 14, and a rewrite control circuit 18 for identifying a common area contained in the image represented by the image information D1 of the first memory 13 on the basis of an image represented by an image information D2 of the second memory 14 and rewriting the image information of the second memory 14 corresponding to the common area with the image information D1 of the first memory corresponding to the common area, in case that the fluctuation detector 16 has detected a fluctuation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.