Similarity calculation device and information search device
US8140530B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Oct 19, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/48
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
[PROBLEMS] To accurately calculate similarity between media data and a query even if the media data or its meta data has an error. [MEANS FOR SOLVING THE PROBLEMS] A similarity calculation device includes: a single score calculation device used when calculating similarity between first media data and a query, which calculates a single score that shows similarity between second media data different from the first media data and the query; an inter-media similarity calculation device which calculates inter-media similarity that shows the similarity between the second media data and the first media data; and a query similarity calculation device which obtains similarity between the first media data and the query by using the inter-media similarity of the second media data and the single score.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.