Image processing apparatus and method thereof
US9734439B2 · kind B2 · utility
20Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | May 27, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/52
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Multi-value image data is sampled for each predetermined pixel range to generate tone information of the pixel range. The generated tone information is stored in a storage unit. Attribute information representing the attribute of a pixel is generated from the multi-value image data, and the generated attribute information is stored in the storage unit. Halftone processing is performed on the multi-value image data based on the tone information and attribute information stored in the storage unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.