Image processing method and apparatus
US4918541A · kind A · utility
32Cited by
5References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1987 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Apr 14, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/3877
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image processing apparatus comprising an image memory for holding image data in the form of a compressed and encoded image data block of a plurality pixels. It also includes a decoder for decoding the encoded data, a device for performing a one-dimensional transformation on the decoded data, and a compressor for encoding the performed result again.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.