Image processing apparatus, image processing method, computer program and computer readable storage medium
US7613317B2 · kind B2 · utility
3Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 14, 2005 |
| Grant date | Nov 3, 2009 |
| Priority date | — |
| Expiry date | May 9, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/327
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a message processing apparatus including an image inputting unit for inputting a document image, an extracting unit for extracting a character image from the input document image, and an embedding unit for embedding watermark message by correcting a density value of the extracted character image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.