JP6662653B2 - Road traffic survey system - Google Patents

Description

  According to the present invention, image information of a pedestrian or a vehicle taken by a camera is transmitted to a management device on the side of a wireless communication network using a line of a base station, and the management device transmits the number and attributes of the pedestrian and the type of the vehicle. And a road traffic survey system that analyzes and analyzes the direction of travel.

  The system disclosed in Patent Document 1 will be described with reference to FIG. 4 as an example in a case where passers-by 104, 105, 106, 107, and 108 pass on a road 103 in a direction indicated by an arrow. When the camera 100 and the passer-by data generation device 101 are connected by a dedicated line and image information of the passers 104 to 108 taken by the camera 100 is transmitted to the passer-by data flow generator 101 as passer-flow data, The traffic flow data generation device 101 generates advertisement data to be displayed on the display device 102 based on the traffic flow data, distributes the generated advertisement data to the display device 102, and the display device 102 matches the traffic flow data. Is displayed.

  However, the system disclosed in Patent Document 1 has a configuration in which the camera 100 and the passer-by flow data generation device 101 are connected by a dedicated line, and the passers 104 to 108 captured by the camera 100 are If the number or attribute of the passersby 104 to 108 changes after deviating from the shooting range, the advertisement displayed on the display device 102 may become an advertisement that does not match the passer with the changed number or attribute. There is a disadvantage that there is.

  In recent years, in order to distribute communication traffic of mobile phones, it has become important for mobile phone companies to install a large number of base stations called small base stations having a small output and a small coverage. In addition, in local governments and the like, it has become important to install a large number of cameras to enhance security.

JP 2011-8571 A

The present invention has been made in view of the above background art, and transmits image information of a pedestrian taken by a camera to a management device provided on a wireless communication network side using a line of a base station, and manages the information. It is an object of the present invention to provide a road traffic survey system that analyzes the number and attributes of the pedestrians using a device.

  The present invention transmits image information of a pedestrian or a vehicle photographed by a camera to a management device on the side of a wireless communication network using a line of a base station, and the management device transmits the number and attributes of the pedestrian and the type of the vehicle. It is characterized in that the data is obtained by analyzing the movement direction and the like.

  According to the present invention, image information captured by a camera is transmitted to a management device on the side of a wireless communication network by using a line of a base station, and the management device uses image recognition technology and analysis technology to determine the number of passers-by. By converting the data and attributes, the number of vehicles, the type of vehicle, and the direction of movement into data, this data can be used to display advertisements on digital signage, city planning such as bus operation plans and road widening, store opening plans, and criminal behavior. It can be used for prediction. Further, in the present invention, a plurality of cameras and a plurality of base stations are arranged at predetermined intervals in a direction in which a pedestrian or a vehicle moves, or a plurality of roads cross each other at an intersection. If a plurality of cameras and a plurality of base stations are arranged on one and the other of the plurality of roads, the number and attributes of passers-by and the number of vehicles And data on changes in vehicle type and moving direction.

1 is a configuration diagram illustrating a road traffic survey system according to an embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows the principal part of the road traffic survey system which concerns on the form for implementing this invention. 5 is a flowchart showing processing of a management device according to an embodiment of the present invention. FIG. 1 is a configuration diagram showing a conventional system.

  With reference to FIG. 1, the road traffic survey system according to the embodiment of the invention will be described as an example of a case where an advertisement is displayed along a road based on the analysis result of the road traffic survey system. Note that the analysis results of the road traffic survey system are based on the number and attributes of the passers 14 to 18 passing on the roads 12 and 13, the number and attributes of the passers 14 to 18 on 24 hours and 365 days, the type of vehicle and the movement of the vehicle. The direction and the like are converted into data. The digitized data can be used for advertisement display on digital signage, city planning such as bus operation planning and road widening, store opening planning, criminal behavior prediction, and the like.

  The road traffic survey system shown in FIG. 1 includes base stations 1 and 6, a management device 2, a wireless communication network 3, and cameras 5 and 7. Display devices 4 and 8 configured as digital signage are provided as devices that use the analysis results of the road traffic survey system.

  The base stations 1 and 6 and the wireless communication network 3 form a part of a mobile phone system. The base stations 1 and 6 are small base stations with a small output power and a small coverage area, a small cell having a cell radius of several tens of meters to several hundreds of meters, a nanocell or a picocell covering a radius of several meters to several tens of meters, A base station such as a femtocell that covers a radius of about several meters to about 10 meters is applicable. The base station 1 and the wireless communication network 3 are communicably connected to each other via an optical line 9 as a line, and the base station 6 and the wireless communication network 3 are communicably connected to each other via an optical line 10 as a line.

  The base station 1 has a function of transmitting image information captured by the camera 5 to the wireless communication network 3 through the optical line 9 in addition to a communication function of transmitting and receiving voice and data in the mobile phone system. The base station 6 has a function of transmitting image information captured by the camera 7 to the wireless communication network 3 via the optical line 10 in addition to a communication function of transmitting and receiving voice and data in the mobile phone system.

  In FIG. 1, the camera 5 captures images of the pedestrians 14 to 18 and vehicles (not shown) that pass through one of the roads 12 and 13 that intersect at the intersection 11. The camera 13 is installed in a building, and the camera 7 is used to photograph the passers 16 to 18 and vehicles (not shown) that pass through the other road 13 among the roads 12 and 13 that intersect at the intersection 11. The case where it is installed in a side building is exemplified. Then, image information of the pedestrians 14 to 18 and the vehicle (not shown) captured by the camera 5 is transmitted to the management device 2 via the optical line 9 of the base station 1 and the wireless communication network 3. In other words, image information of passers-by 14 to 18 and vehicles (not shown) taken by cameras 5 and 7 installed in large numbers for security enhancement and base stations 1 and 6 installed in large numbers in the mobile phone system. Is transmitted to the management device 2 on the side of the wireless communication network 3 by using the optical lines 9 and 10. Then, the management device 2 analyzes the number and attributes of the pedestrians who pass through the road 12 and the number, type and moving direction of the vehicles not shown, and the pedestrians photographed by the camera 7 and the not shown. When the image information of the vehicle is transmitted to the management device 2 via the optical line 10 of the base station 6 and the wireless communication network 3, the management device 2 displays the number and attributes of the pedestrians passing through the road 13 as well as the illustration. It analyzes the number, type, and direction of travel of vehicles that are not running. That is, image information captured by the camera 5 is transmitted to the management device 2 on the side of the wireless communication network 3 using the optical line 9 of the base station 1, and image information captured by the camera 7 is transmitted The data is transmitted to the management device 2 on the side of the wireless communication network 3 using the line 10, and the management device 2 uses image recognition technology and analysis technology, and the number and attributes of the pedestrians 14 to 18 for 24 hours and 365 days, and the vehicle The number of vehicles, the type of vehicle, and the moving direction are converted into data. The data converted by the management device 2 can be used for advertisement display on digital signage, city planning such as bus operation planning and road widening, store opening planning, criminal behavior prediction, and the like.

  For example, passers 14, 15, 16, 17, and 18 pass through the road 12 toward the intersection 11, and at the intersection 11, passers 14 and 15 passing through the road 12 and passers 16 and 17 passing through the road 13. , 18, the image information of the passers-by 14 to 18 and the vehicle (not shown) captured by the camera 5 is transmitted to the management device 2 via the optical line 9 of the base station 1 and the wireless communication network 3. The management device 2 analyzes the number and attributes of the passers 14 to 18 as well as the number, type and moving direction of vehicles (not shown). The image information of the vehicle that is not present is transmitted to the management device 2 via the optical line 10 of the base station 6 and the wireless communication network 3, and the management device 2 determines the number and attributes of the pedestrians 16 to 18 and the vehicle information that is not shown. Number and cars And to analyze the direction of movement.

  More specifically, if the number of passers 14 to 18 photographed by the camera 5 is 30 and the number of passers 16 to 18 photographed by the camera 7 is 18, the road past the intersection 11 The management apparatus 2 analyzes the number of the passers 14 and 15 who pass through 12 by subtracting 18 from 30 and 12 people. In addition, the management device 2 analyzes an age group, a gender, and the like which have the largest ratio as the attributes of the passers 14 to 18 having the number of 30 persons, and has the largest attribute as the attributes of the passers 16 to 18 having the number of 18 persons. The age group and the gender of the ratio are analyzed, and the age group and the gender of the largest ratio are analyzed as the attributes of the passers-by 14 and 15 having 12 persons.

  Then, based on the analysis result, the management device 2 causes the display device 4 to display an advertisement suitable for an age group, a gender, or the like having the highest ratio as the attributes of the passers-by 14 and 15, and the management device 2 displays the advertisement based on the analysis result. The display device 8 displays an advertisement that matches the age group, gender, and the like with the highest percentage as the 18th to 18th attributes. Note that the management device may control the shooting angle adjustment mechanism of the cameras 5 and 7 and the image enlargement / reduction mechanism by operating an operation unit (not shown).

  As described above, according to the road traffic survey system shown in FIG. 1, even if the number or attributes of the pedestrians 14 to 18 passing on the roads 12 and 13 change based on the analysis result of the road traffic survey system, An appropriate advertisement according to the change can be displayed on the display devices 4 and 8.

  When the analysis result of the road traffic survey system is used for planning a store opening along the road, the number and attributes of the pedestrians 14 to 18 passing on the roads 12 and 13 and the number and type of vehicles (not shown) In addition, it is possible to grasp the change in the moving direction and to determine which store on the road should be opened.

  In FIG. 1, a plurality of roads 12 and 13 intersect each other at an intersection 11, and a plurality of cameras 5 and 5 are provided on one road 12 and the other road 13 of the plurality of roads 12 and 13. 7 and a plurality of base stations 1 and 6 are separately arranged, but a plurality of cameras 5 and 7 and a plurality of base stations 1 and 6 And a configuration in which one camera 5 or 7 and one base station 1 or 6 are arranged on one of the roads 12 or 13 at a predetermined interval in the direction in which the vehicle or the vehicle moves. It is possible. In addition, the places where the cameras 5 and 7 and the base stations 1 and 6 are arranged may use existing buildings such as bus stops and buildings.

  The management device 2 according to the embodiment of the present invention will be described with reference to FIG. The management device 2 includes image recognition units 21 and 22, a trend determination unit 23, an advertisement distribution unit 24, and a storage unit 25. The image recognition unit 21 cuts out the image information of the pedestrian or the vehicle transmitted from the camera 5 to the management device 2 for a predetermined time set in the storage unit 25, and cuts out the cut out image information as image recognition information 26. The information is stored in the storage unit 25 in association with the predetermined time. The image recognizing unit 22 cuts out the image information of the pedestrian or the vehicle transmitted from the camera 7 to the management device 2 for a predetermined time set in advance, and relates the extracted image information to the predetermined time cut out as the image recognition information 27. And stored in the storage unit 25. The predetermined time previously set in the storage unit 25 as the cutout time is, for example, a morning and evening commuting time zone, a time zone around 10 am, a lunch time zone, a time zone around 3:00 pm, and a time zone around 9:00 pm Time zone and the like.

  The trend determining unit 23 extracts the extracted image recognition information 26 and 27 at predetermined time intervals from the storage unit 25, and extracts the number and attributes of passers-by and the number of passers-by from the extracted and extracted image recognition information 26 and 27 at predetermined time intervals. The change in the number, type, and moving direction of the vehicles that are not performed is obtained as an analysis result in the management device 2, and the number and attributes of the pedestrians and the change in the number, type, and moving direction of the vehicles that are not shown are obtained. The information 28 is stored in the storage unit 25 in association with the extracted predetermined time. The advertisement distribution unit 24 extracts the trend information 28 for each predetermined time extracted from the storage unit 25, and converts the extracted trend information 28 for each predetermined time from the advertisement information stored in the storage unit 25 in advance. Matching advertisement information is extracted, and the extracted advertisement information is distributed to the display devices 4 and 8. As a result, the display devices 4 and 8 display advertisements based on the extracted advertisement information at predetermined time intervals.

  The process of the management device 2 according to the embodiment of the present invention will be described with reference to FIG. In step 301, the image recognition unit 21 cuts out the image information of the passers 14 to 18 and the vehicle (not shown) photographed by the camera 5 for a predetermined time, and recognizes the passers 14 to 18 by performing image recognition on the cut out image information. The number of persons and attributes, the number of vehicles, the type of vehicle, and the moving direction (not shown) are analyzed, and the analysis result is stored as image recognition information 26 in the storage unit 25 in association with the extracted predetermined time, and the process proceeds to step 302. . In step 302, the image recognizing unit 22 cuts out the image information of the passers 16 to 18 photographed by the camera 7 for a predetermined time after the arrival time from the predetermined time of the image recognizing unit 21 has elapsed, and performs image recognition on the cut out image information. The number and type of the passers 16 to 18 and the attributes, the number and type of vehicles (not shown), and the moving direction are analyzed, and the analysis result is stored in the storage unit 25 in association with a predetermined time cut out as the image recognition information 27. Then, the process proceeds to step 303. In step 303, the trend determination unit 23 extracts the image recognition information 26, 27 from the storage unit 25, and from the extracted image recognition information 26, 27, the number and attributes of the passers 14 to 18 before and after passing through the intersection 11, and Changes in the number, type, and moving direction of the vehicles not shown are determined at predetermined intervals, and the number and attributes of the pedestrians 14 to 18 and the number, type, and moving direction of the vehicles not shown are obtained. The change is stored in the storage unit 25 in association with the predetermined time cut out as the trend information 28, and the process proceeds to step 304. In step 304, the advertisement distribution unit 24 extracts the trend information 28 from the storage unit 25 at predetermined intervals, extracts advertisement information that matches the extracted trend information 28 from the storage unit 25, and displays the extracted advertisement information. The data is output to the devices 4 and 8, and the process proceeds to step 305. In step 305, the display devices 4 and 8 display an advertisement based on the advertisement information distributed from the advertisement distribution unit 24. As a result, the number and attributes of the pedestrians 14 to 18 passing through the roads 12 and 13 as well as the number, type, and moving direction of vehicles (not shown) change every predetermined time preset in the storage unit 25 as the time to cut out. Even so, it is possible to display an advertisement adapted to the change.

DESCRIPTION OF SYMBOLS 1 Base station 2 Management device 3 Wireless communication network 4 Display device 5 Camera 6 Base station 7 Camera 8 Display device 9 Optical line 10 Optical line 11 Intersection 12 Road 13 Road 14 Passengers 15 Passengers 16 Passengers 17 Passengers 18 Passengers 21 image recognition unit 22 image recognition unit 23 trend judgment unit 24 advertisement distribution unit 25 storage unit 26 image recognition information 27 image recognition information 28 trend information 29 advertisement information

Claims (1)

The image information of the pedestrian or the vehicle taken by the camera is transmitted to the management device on the side of the wireless communication network using the line of the base station, and the management device transmits the number and attributes of the pedestrian, the type of the vehicle, and the moving direction of the vehicle. A road traffic survey system that analyzes and converts the data into data and displays the data on a display device connected to the wireless communication network , wherein the management device includes an image recognition unit, a trend determination unit , a storage unit, and an advertisement distribution unit , The image recognition unit cuts out the image information of the pedestrian or the vehicle transmitted from the camera to the management device for a predetermined time set in the storage unit for a predetermined time and cuts out the extracted image information as image recognition information, and a predetermined time. The trend judging unit extracts the image recognition information for each predetermined time from the storage unit and transmits the extracted image recognition information for each predetermined time from the storage unit. Changes in the number and attributes of people and changes in the number and type of vehicles and the movement direction of the vehicle are obtained as analysis results in the management device, and the obtained number and attributes of passers and changes in the number of vehicles and the type and movement direction of the vehicles are used as trend information. The advertisement distribution unit extracts the trend information for each predetermined time extracted from the storage unit in association with the extracted predetermined time in the storage unit, and extracts the trend information from the advertisement information stored in advance in the storage unit. A road traffic investigation system characterized by extracting advertisement information that matches the extracted trend information at predetermined time intervals and delivering the extracted advertisement information to the display device .

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