Image separator for color image processing
US5134666A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Aug 9, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/413
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image region segmentation system for segmenting a color image into a number of elemental regions according to the type of images contained in the elemental region comprises a first detection circuit for discriminating whether an elemental region under processing contains a black pixel or not, a second detection means for discriminating whether the elemental region under processing contains a color pixel or not, a first discrimination circuit for discriminating the elemental region as to whether or not the region includes a black pixel and simultaneously no color pixels, a line image recognition circuit for discriminating as to whether the image in the elemental region under processing includes a line or not, and a second recognition circuit for discriminating such that the elemental region under processing represents a bi-level black line when the elemental region under processing contains a black pixel and simultaneously no color pixels and further simultaneously when the elemental region represents a line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.