Image processing system and apparatus for processing color documents
US5128748A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1990 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Feb 13, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/642
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color document image processing apparatus comprising an image input means for inputting document image data including multivalue color image, a binarizing means for binarizing input document image data by a simple binarization or artificial binary-halftone process, an image memory means for temporarily storing image data binarized by said binarizing means, a codec means for executing predetermined coding for storing image data stored in the image memory means and executing decoding to the stored document image data, an image storing means for storing document image data encoded by the codec means, a binary-halftone transducing means for transducing binary image data decoded by the codec means into multivalue image data, and an image output means for outputting multivalue image data transduced by the binary-halftone transducing means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.