Image processing apparatus, method, and medium storing program
US8693028B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | May 26, 2009 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0094
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image processing apparatus compares vector data of a target document and vector data of a stored document stored in the image processing apparatus, converts each of the vector data of the target document and the vector data of the stored document into text data and extracts a difference between the text data converted from the vector data of the target document and the text data converted from the vector data of the stored document to generate and store difference data in a text format.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.