Title:
MONITORING DEVICE, MONITORING METHOD, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2017/170007
Kind Code:
A1
Abstract:
Because a monitoring device is required to have extremely high accuracy with respect to camera and microphone positions and directions at the time of installation in order to perform accurate control, this monitoring device is provided with an acoustic signal acquisition means for acquiring an acoustic signal, an acoustic event detection means for calculating the occurrence direction of an acoustic event from the acquired acoustic signal, an image signal acquisition means for acquiring an image signal, an image event detection means for calculating the occurrence direction of an image event from the acquired image signal, a mapping relationship calculation means for calculating a mapping relationship on the basis of the calculated occurrence direction of an event to be calibrated from among acoustic events and the calculated occurrence direction of an event to be calibrated from among image events, and a coordinate conversion means for estimating the occurrence direction of an event to be detected from among the image events using the calculated mapping relationship and the calculated occurrence direction of an event to be detected from among the acoustic events.
Inventors:
ARAI YUMI (JP)
KONDO REISHI (JP)
SENDA YUZO (JP)
KONDO REISHI (JP)
SENDA YUZO (JP)
Application Number:
PCT/JP2017/011316
Publication Date:
October 05, 2017
Filing Date:
March 22, 2017
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
H04N7/18; G08B25/00; G08B25/04; G10L25/51
Domestic Patent References:
| WO2014125835A1 | 2014-08-21 |
Foreign References:
| JP2006339741A | 2006-12-14 | |||
| JP2006174216A | 2006-06-29 | |||
| JP2014175996A | 2014-09-22 |
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
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