US 12,175,798 B2
Information processing device
Muneaki Onozato, Tokyo (JP); Satoshi Terasawa, Tokyo (JP); Ryoma Oami, Tokyo (JP); and Yadong Pan, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Filed by NEC Corporation, Tokyo (JP)
Filed on Aug. 25, 2023, as Appl. No. 18/238,382.
Application 18/238,382 is a continuation of application No. 17/421,532, previously published as PCT/JP2019/001464, filed on Jan. 18, 2019.
Prior Publication US 2023/0401895 A1, Dec. 14, 2023
Int. Cl. G06V 40/20 (2022.01); G06V 20/52 (2022.01); G06V 40/10 (2022.01)
CPC G06V 40/20 (2022.01) [G06V 20/52 (2022.01); G06V 40/103 (2022.01)] 16 Claims
OG exemplary drawing
 
1. A monitoring device comprising:
a memory storing instructions; and
a processor connected to the memory and configured to execute the instructions to:
receive an image of a target place which is captured by a camera;
extract attribute information of a person and action information of the person from a part of the image of the target place, the part of the image of the target place showing the person;
extract, based on the part of the image of the target place, scene information of the target place, the scene information of the target place including place information representing an attribute of the target place and environment information representing a surrounding environment of the target place;
retrieve reference attribute information representing an attribute of a person and an action associated with the target place based on the scene information of the target place; and
detect a suspicious person by comparing the attribute information and the action information with the reference attribute information,
wherein the person is a tracked person specified by the action information.