Image processing method and apparatus for error-dispersion digitization without moire or spurious stripe formation
US5008950A · kind A · utility
44Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 1988 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Jan 19, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4052
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided an improvement on the error dispersion method for binary digitizing of an image, in which an area of plural pixels is digitzed, and the error into the digitizing is dispersed in a neighboring area of plural pixels. In the latter area the digitization is conducted according to the image data of plural pixels and the error data dispersed into this area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.