US 11,884,208 B2
Danger detection system, method and program, and danger location detection apparatus
Kazunori Kobayashi, Tokyo (JP); Hiroaki Ito, Tokyo (JP); and Shin Murata, Tokyo (JP)
Assigned to NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
Appl. No. 17/621,727
Filed by NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo (JP)
PCT Filed Jun. 26, 2019, PCT No. PCT/JP2019/025375
§ 371(c)(1), (2) Date Dec. 22, 2021,
PCT Pub. No. WO2020/261427, PCT Pub. Date Dec. 30, 2020.
Prior Publication US 2022/0250540 A1, Aug. 11, 2022
Int. Cl. B60W 50/14 (2020.01); B60Q 5/00 (2006.01); G08G 1/16 (2006.01)
CPC B60Q 5/006 (2013.01) [B60W 50/14 (2013.01); G08G 1/16 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A danger detection system configured to detect a danger on a road, the danger that changes with a time-series change and may become less dangerous due to the time-series change, the danger detection system comprising:
a vibration acquisition unit configured to acquire an acoustic signal collected by a microphone mounted on a vehicle when the vehicle passes through a region on a predetermined road;
a danger determination unit configured to determine whether the acoustic signal is derived from the danger;
a danger location detection unit configured to determine whether the danger is present in the region on the predetermined road based on the number of times an acoustic signal acquired from each of a plurality of the vehicles is determined to be derived from the danger; and
a danger information notification unit configured to notify a communication device with a possibility of passing through the region on the predetermined road of danger information that is information regarding a region on a road determined to have the danger.