Image signal processing apparatus
US5267055A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1991 |
| Grant date | Nov 30, 1993 |
| Priority date | — |
| Expiry date | Sep 12, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/401
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image processing apparatus has an image sensor for inputting image data obtained by reading an image, a shading correction processing unit for correcting variations in image data input from the image sensor on the basis of correction data, an arithmetic operation processing unit for performing image processing of the image data input from the image sensor, and a memory for storing the correction data to be supplied to the shading correction processing unit and image data to be supplied to the arithmetic operation processing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.