Image retrieving device, image retrieving method, and recording medium
US10360471B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2017 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Jan 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0094
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image retrieving device capable of retrieving an image using a local feature quantity, the image retrieving device includes a memory, and a processor in communication with the memory, the processor being configured to perform operations including receiving a designation of a retrieval condition corresponding to a retrieval source image, determining whether to use a feature quantity of a local image having scale invariance on the basis of the retrieval condition, and performing control to calculate the feature quantity of the local image having scale invariance if it is determined to use the feature quantity of the local image having scale invariance, and performing control not to calculate the feature quantity of the local image having scale invariance if it is determined not to use the feature quantity of the local image having scale invariance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.