Congestion sensing device, congestion sensing system, and congestion sensing method
A detection device, crowding technology, applied in signal devices, visible signal devices, image enhancement, etc., can solve problems such as laborious work
Active Publication Date: 2019-04-26
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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Problems solved by technology
[0003] In such a monitoring system, the monitor can grasp the crowded state of the monitoring area by looking at the image captured by the camera with his eyes, but it is very laborious to continue such work all the time.
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[0025] The first invention completed in order to solve the above-mentioned problems is a kind of congestion detection device, which detects the congestion state of moving bodies in the monitoring area based on photographic images obtained by photographing the monitoring area. The congestion detection device is configured to include: The determination unit is configured to set at least two determination areas on the captured image in response to the user’s input operation; the moving body detection unit is configured to detect a moving body existing in the determination area based on the captured image; the congestion degree calculation unit is based on The detection result of the moving object detection unit is used to calculate the congestion degree of each determination area; the state detection unit compares the congestion degree calculated by the congestion degree calculation unit with a prescribed reference value for each determination area to detect A plurality of states ...
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The purpose of the present invention is, by carrying out an appropriate notification prior to a congestion state being reached, to allow a supervisor to ascertain an occurrence of the congestion statebeforehand. Provided is a congestion sensing device, comprising: an area setting unit (41) which sets at least two assessment areas upon a photographic image in response to a user's input operation;a presence sensing unit (43) which senses a presence of persons within the assessment areas from the photographic image; a degree of congestion computation unit (44) which computes a degree of congestion for each of the assessment areas on the basis of the result of the sensing with the presence sensing unit; a state sensing unit (45) which compares the degrees of congestion which have been computed with the degree of congestion computation unit with prescribed reference values for each of the assessment areas, and senses a plurality of states which include a congestion state and a potential congestion state; and an output unit (46) which outputs information for carrying out a notification action based on the result of the sensing with the state sensing unit.
Description
technical field [0001] The present disclosure relates to a congestion detection device, a congestion detection system and a congestion detection method for detecting the congestion state of a moving body in a surveillance area based on photographic images obtained by photographing the surveillance area. Background technique [0002] In various facilities such as stations, a surveillance system is widely used in which a camera is installed to photograph the surveillance area, and the captured image of the camera is displayed on the monitor to monitor the status of users in the surveillance area. monitor. [0003] In such a monitoring system, a monitor can grasp the congestion state of a monitoring area by viewing images captured by a camera with eyes, but it is very laborious to continue such work all the time. Therefore, there is conventionally known a technique of detecting the crowded state of persons in the monitored area based on photographed images captured by a camera...
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IPC IPC(8): G06T7/60G06T7/207
CPCG06V20/53G06T7/20G06T7/60G06T2207/30196G06T2207/30232G08B5/36
Inventor 手岛祥树
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD