Monitoring device, monitoring method and monitoring program
US9946921B2 · kind B2 · utility
2Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2014 |
| Grant date | Apr 17, 2018 |
| Priority date | — |
| Expiry date | Mar 30, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/77
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A monitoring device includes a crowd behavior analysis unit 21 and an abnormality degree calculation unit 24. The crowd behavior analysis unit 21 specifies a behavior pattern of a crowd from input video. The abnormality degree calculation unit 24 calculates an abnormality degree from a change of the behavior pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.