Title:
光監視装置及び方法
Document Type and Number:
Japanese Patent JP6923070
Kind Code:
B2
Abstract:
It is possible to extract features of an object present in an area to be monitored in an optical monitoring apparatus. A light irradiating means (12) irradiates a plurality of lights emitted from a plurality of light sources (11) to an area to be monitored (16). The light irradiating means (12) irradiates at least one of the plurality of lights and at least another one of the plurality of lights to the area to be monitored (16) with mutually different beam diameters. A light reception means (13) receives reflected lights of the plurality of lights incident from the area to be monitored (16). A distance measuring means (14) measures, for each of the plurality of lights, the distance to an object present in the area to be monitored based on the reflected lights. A feature extracting means (15) extracts a feature of the object present in the area to be monitored based on results of measurement of the distance for the plurality of lights.
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Inventors:
Eimi Noguchi
Application Number:
JP2020506091A
Publication Date:
August 18, 2021
Filing Date:
March 16, 2018
Export Citation:
Assignee:
NEC
International Classes:
G01S17/89; G01C3/06; G01S7/481; G01S7/497; G08B15/00
Domestic Patent References:
| JP2000088566A | ||||
| JP2017219383A | ||||
| JP7012934A |
Attorney, Agent or Firm:
Ken Ieiri