Image processing apparatus with document similarity processing, and image processing method and storage medium therefor
US10817559B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Dec 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4074
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
To make it possible to search for a document of the same kind as that of a document relating to a scanned image both highly accurately and simply. An image processing apparatus including: a calculation unit configured to calculate a degree of similarity between an input document image and each of a plurality of document images by repeatedly performing calculation of a degree of similarity while changing each range including a specific area, which is a calculation target of a degree of similarity, in the input document image and the plurality of document images; and a determination unit configured to determine a document image whose calculated degree of similarity is the highest of the plurality of document images as a document image that matches with the input document image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.