KR20140112170A - Display system of vehicle information based on location in cross-road - Google Patents

Abstract

The present invention relates to a display system of vehicle information based on a location at an intersection, of which a viewer can view the vehicle information of the intersection easily and which can improve an information communication error by displaying the vehicle information of the intersection with a unit cell having an area according to the resolution.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002]

The present invention relates to a position-based intersection vehicle information display system, and more particularly, to a vehicle information display system for displaying intersection vehicle information on a cell basis in which an area is formed according to a resolution, Based vehicle information display system for displaying various vehicle information through a graphical user interface at the same time.

An intersection is a road at a point where two or more roads cross each other, and has a characteristic that frequent vehicle conflicts occur because the number of vehicles flowing to the road is relatively higher than other roads.

In addition, as the social and economic scale is expanded and advanced, the intersections are increasing rapidly, so the intersections increase the vehicle congestion and the congestion due to the intersections is becoming a serious social problem.

In addition, it is difficult to accurately identify the perpetrator even if a traffic accident occurs due to a large number of traffic lights (vehicles and pedestrians) that are periodically changed due to the frequent occurrence of a traffic accident on another road due to the crowded vehicles and pedestrians. Unless immediate action is taken, not only intersections, but also connected roads can cause serious vehicle congestion.

Accordingly, the intersection traffic information display system collects the vehicle information of the intersection to generate intersection traffic information, monitors it at the traffic management server, and provides the intersection traffic information to the connected terminals, thereby reducing the waste of time due to congestion of the vehicle Is being actively studied.

Korean Patent No. 10-0982887 discloses a method of providing an optimal travel route based on the congestion situation of an intersection included in a travel route to a destination in a navigation system using a navigation system, This method displays the optimal route to the destination on the monitor of the navigation system, and thus has a limitation in providing the viewer with accurate traffic conditions for the intersection.

In order to overcome such a problem, a method of displaying vehicle information including a congestion state of an intersection and a traffic accident has been studied and used. However, the conventional intersection car information display system merely displays the degree of congestion for a specific section including an intersection Therefore, it has a disadvantage in that it can not provide traffic information for an accurate position.

1 is an exemplary view showing a pop-up screen disclosed in Korean Patent No. 10-08005880 (entitled Pop-up Traffic Information Providing Method).

As shown in FIG. 1, the traffic information screen 100 of the related art shows a state in which the traffic speed is the slowest, and the color of the red section is changed every time the traffic speed changes. For example, the time required from the 100m point near the express bus terminal intersection to the northern end of the Banpo Bridge is indicated by the text "about 08 minutes", and in the bottom center of the pop-up screen, the text "Tehran good communication" .

Since the conventional traffic information screen 100 displays only the entire congestion state for a specific section, not only the traffic information on the precise location can be provided to the viewers, but also the bottleneck phenomenon of the specific road and the lane on the intersection, It can not provide the same accurate traffic situation.

In this way, it is urgently required to study an intersection vehicle information display system capable of providing various information on vehicle information and driving vehicles to specific positions of intersections where stagnation phenomenon frequently occurs due to positional characteristics.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a radar apparatus and method for detecting a vehicle traveling on an intersection using a radar, Based intersection vehicle information display system.

Another object of the present invention is to provide a traffic management server for mapping a collected vehicle information into a virtual map, which is a linear numerical map, by mapping cells and a plurality of intersections into a plurality of cells, and at the same time, Based interactive vehicle information display system that allows a viewer to easily recognize intersection traffic information such as vehicle speed, congestion status, and bottlenecks by generating a graphical user interface .

Further, another object of the present invention is to provide a graphic user interface that displays a mark symbol indicating the direction of travel of a detected vehicle, such as a vehicle image, in which the length of the mark symbol is displayed in proportion to the vehicle speed, Based intersection vehicle information display system that enables a viewer to easily recognize traffic information on an accurate position on an intersection by displaying the vehicle in a predetermined color.

Another object of the present invention is to provide a location-based intersection car information display system capable of improving information transmission error and increasing reliability of traffic information by calculating a cell area according to a predetermined distance resolution and azimuth resolution of a radar transmitting and receiving unit .

According to an aspect of the present invention, there is provided a communication system including a radar transmission / reception unit for transmitting / receiving a radar to / from a predetermined sensing area S of an intersection, and a controller for analyzing a radar signal applied to the radar transmission / reception unit, A vehicle detector including a controller for detecting vehicle information including; A cell unit vehicle speed, which is a speed of a vehicle included in each of the cells, is calculated by dividing the sensing area S into cells having a predetermined area and then matching the position of the sensing vehicle with the sensing area S, And a traffic management server for creating a graphical user interface in which a cell image representing the cells is mapped on a virtual map produced as a linear numeric map corresponding to a road, And displays corresponding cell images in predetermined colors according to the cell-unit vehicle speed.

In the present invention, the traffic management server may include a database unit for storing the congestion degree information per vehicle speed and the color information per degree of congestion in advance; A comparison unit for searching for vehicle body level information for each vehicle speed to detect a degree of congestion corresponding to a cell unit vehicle speed of each of the cells; And a display unit for displaying the cell image on the graphic user interface in accordance with the detected display color by searching for color information of the degree of stagnation to detect a display color corresponding to the degree of stagnation detected by the comparison unit desirable.

In the present invention, the area of the cells is determined by the distance resolution, which is the minimum distance between two objects that can identify two objects in the same direction, and the distance between the objects that can identify two objects at the same distance Is proportional to the value multiplied by the resolution.

In the present invention, the graphical user interface maps the vehicle images representing each of the detected vehicles and the mark symbol representing the running direction of each of the detected vehicles to the virtual map, So that the length of the mark symbol is formed.

Further, in the present invention, the vehicle detector further includes photographing means for photographing the intersection to acquire an image, and the traffic management server displays the photographed image transmitted in real time from the vehicle detector on the graphical user interface Do.

The controller may further include a determination unit that determines an accident location, which is a location of the detected vehicle determined as the accident vehicle, by determining the detected vehicles as an accident vehicle, and when the accident vehicle is detected by the determination unit, And transmits the information to the traffic management server. When the traffic management server receives the unexpected information from the controller, the display unit displays a guidance message including an accident location included in the unexpected information, It is preferable to display the data on one side of the interface.

In the present invention, the photographing means includes first photographing means for photographing the intersection, second photographing means for photographing an accident scene by pan-tilting to an accident position included in the unexpected information upon receipt of the sudden information from the controller, .

In addition, in the present invention, the determination unit may include an average speed calculation module for calculating an average speed of the detection vehicles traveling at the intersection, a speed difference value calculation unit for calculating a speed difference value of an average speed calculated by the average speed calculation module A speed difference calculation module for calculating a speed difference; Comparing the speed difference value calculated by the speed difference calculation module with a first set value TH1 (Threshold) which is a preset limit value, and when the speed difference value is equal to or greater than the first set value TH1, It is preferable to include a first judgment module for judging the vehicle.

In the present invention, the determining unit may include a second determining module that compares the speed of the sensed vehicle with a predetermined second set value TH2 to determine a vehicle having a speed lower than the second set value TH2 as an accident vehicle .

Further, in the present invention, the determination unit may include: a detection module that detects a trajectory of each of the detection vehicles based on the radar signal; And a third determination module that tracks the trajectory of each of the detected vehicles detected by the detection module and determines the detected vehicles corresponding to the conflicting trajectories as an accident vehicle when the trajectories are in conflict.

According to the present invention having the above-mentioned problems and solutions, it is possible to detect, in real time, vehicle information including the position, speed, and running direction of the sensed vehicle by sensing a vehicle traveling on an intersection based on a radar signal.

According to the present invention, the traffic management server processes the collected traffic information into a predetermined cell unit, generates a graphical user interface in which a cell and a vehicle are mapped in a virtual map, which is a linear numeric map, and displays traffic information in units of cells, It is possible to easily and accurately recognize intersection traffic information while providing traffic information for an accurate position.

According to the present invention, the graphical user interface displays a mark symbol indicating the running direction of the detected vehicle as a corresponding vehicle image, the length of the mark symbol is displayed in proportion to the vehicle speed, and the vehicle image is displayed in a predetermined color The viewer can easily recognize the traffic information on the exact position on the intersection.

Further, according to the present invention, the cell area is calculated according to the predetermined distance resolution and azimuth resolution of the radar transmitting / receiving unit, thereby improving the information transmission error and increasing the reliability of the traffic information.

1 is an exemplary view showing a pop-up screen disclosed in Korean Patent No. 10-08005880 (entitled Pop-up Traffic Information Providing Method).
2 is a block diagram illustrating an intersection traffic information management system according to an embodiment of the present invention.
FIG. 3 is an exemplary view showing the vehicle detector of FIG. 2. FIG.
4 is a block diagram showing the controller of Fig. 2;
5 is a block diagram showing the data detecting unit of FIG.
6 is a block diagram showing a traffic accident determination unit of FIG.
FIG. 7 is a block diagram illustrating the traffic management server of FIG. 2. FIG.
FIG. 8 is an exemplary diagram for explaining the resolution applied to the cell management unit of FIG. 7. FIG.
FIG. 9 is an exemplary view showing the resolution of FIG. 8. FIG.
10 is a block diagram showing the interface management unit of FIG.
11 is an exemplary diagram illustrating a graphical user interface generated by the interface generation module of FIG.
12 is an exemplary view showing a traffic information interface displayed by the present invention.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

2 is a block diagram illustrating an intersection traffic information management system according to an embodiment of the present invention.

The intersection traffic information management system 1 shown in Fig. 2 includes a controller 31, a radar transmission / reception unit 33, and a photographing means 35. The intersection traffic information management system 1 includes vehicle information And a traffic management server 5 for generating a graphical user interface by mapping the vehicle information and the image information received from the vehicle detector 3 to the prepared virtual map, And data transfer between the vehicle detectors 3, the traffic management server 5 and the terminals 7, which are connected to the traffic management server 5 and download the graphical user interface for a specific intersection section, And a data communication network 8 for providing a path.

FIG. 3 is an exemplary view showing the vehicle detector of FIG. 2. FIG.

3, the vehicle detector 3 includes a radar transmission / reception unit 33 for sensing a vehicle traveling on an intersection, which is a predetermined sensing area S, A photographing means 35 including a photographing means 351 and a second photographing means 353 for photographing and tracking a point where a traffic accident has occurred and a photographing means 35 for photographing the detection vehicles 351 and 352 based on the radar signal transmitted from the radar transmission / And a controller 31 for detecting the position, speed, and sign information of each of the vehicles and determining whether a traffic accident has occurred in the intersection.

The vehicle detection unit 3 transmits the detected vehicle information and the captured images to the traffic management server 7 through the data communication network 8 in real time.

The photographing means 353 includes a first photographing means 351 provided at one side of the road for photographing the intersection S and a second photographing means 351 for photographing an accident scene by being pan-tilted under the control of the controller 31 2 photographing means 353. In the present invention, for the sake of convenience of explanation, the photographing means 35 has been described as being composed of the first photographing means 351 and the second photographing means 353, but the photographing means 35 is usually provided with an intersection And a single photographing means for photographing an accident scene by pan-tilting to an accident location when a traffic accident occurs, and may be composed of a plurality of cameras for precise monitoring.

The radar transceiver 33 transmits a radar signal to the intersection S, which is a predetermined sensing area, and then collects the reflected signal and transmits the transmitted and received radar signal to the controller 5 in real time.

4 is a block diagram showing the controller of Fig.

The controller 31 of FIG. 4 analyzes the radar signal transmitted from the radar transmitting / receiving unit 33 to detect vehicle information including the position, speed, and occurrence of an accident of each of the detected vehicles, (35) to the traffic management server (5) in real time. At this time, the vehicle information includes the identification ID value of each of the controllers, the speed, the position and the locus information of each of the detected vehicles, and the unexpected information generated by the traffic accident determination unit 317 described later.

The controller 31 also includes a memory 312 for storing data, a communication interface 313 for transmitting and receiving data to and from the traffic management server 5, and a controller 313 for analyzing and detecting the radar signal transmitted from the radar transmitter- A data detection unit 315 for detecting the position, velocity and sign information of each of the vehicles, and a location / speed / trajectory information of each of the detected vehicles detected by the data detection unit 315, A traffic accident determination unit 316 for generating unexpected information including an expected location of an accident area when it is determined that a traffic accident has occurred, a traffic accident determination unit 316 for calculating the location, speed, and sign information of each of the detected vehicles inputted from the data detection unit 315, A vehicle information generating unit 317 that generates vehicle information including the erroneous information generated by the accident determining unit 316, a radar driving unit 318 that drives the radar transmitting / receiving unit 33, A pan-tilt driving unit 319 for controlling the pan-tilt of the second photographing unit 353 so that the second photographing unit 353 takes a picture at a predicted position of traffic accident when the photographing information is generated by the photographing unit 317 And a control unit 311 for controlling the control objects 312, 313, 315, 316, 317, 318, 319. [

The controller 31 is connected to the radar transmitting and receiving unit 33 and the photographing means 35 and receives the radar signal from the radar transmitting and receiving unit 33 and receives the photographed image obtained from the photographing means 35. [

The control unit 311 is an OS (Operating System) of the controller 31 and controls the controlled objects 312, 313, 315, 316, 317, 318, and 319.

The control unit 311 also controls the communication interface unit 313 so that the photographed image transmitted from the photographing unit 35 and the vehicle information generated by the data detecting unit 315 are generated by the traffic accident determining unit 317 To the traffic management server 5 in real time.

The control unit 311 also inputs the radar signal input from the radar transmission / reception unit 33 to the data detection unit 315.

The control unit 311 inputs the traffic accident expected location information of the unexpected signal generated when the traffic accident signal is generated by the traffic accident judgment unit 317 to the pan tilt driving unit 319, Have the accident scene taken.

In the memory 312, the identification ID value of the controller 31, the position information of the sensing area S, and the position information of the photographing area S 'are stored.

Vehicle information generated by the vehicle information generating unit 317 is stored in the memory 312 and the radar signals input from the radar transmitting and receiving unit 33 and the photographed images input from the photographing unit 35 are temporarily stored .

5 is a block diagram showing the data detecting unit of FIG.

The data detection unit 315 of FIG. 5 includes a position detection module 351 for detecting a vehicle position by analyzing a radar signal received under the control of the control unit 311, And a locus detection module 355 for detecting a locus of the vehicle based on the position of the detected vehicle detected by the position detection module 351. [

The position, speed, and sign information of each of the detected vehicles detected by the position detection module 351, the speed detection module 353, and the trajectory detection module 355 are transmitted to the traffic accident determination unit 316 and the vehicle information generating unit 317. [

At this time, the technique and method for detecting the vehicle position, velocity, and trajectory by analyzing the radar signal by the data detection unit 315 are techniques commonly used in a traffic system using a radar signal, and thus a detailed description thereof will be omitted.

6 is a block diagram showing a traffic accident determination unit of FIG.

5, the traffic accident determination unit 316 includes an average speed calculation module 361 for calculating the average speed of the detected vehicles from the vehicle information, a vehicle speed and average speed calculation module 361 for each of the detected vehicles, A speed difference calculating module 363 for calculating a speed difference value with an average speed calculated by the speed difference calculating module 361 and a speed difference calculating module 362 for calculating a difference value calculated by the speed difference calculating module 361 by a first set value TH1 A first judging module 365 for judging the sensed vehicle as an accident vehicle when the difference value is equal to or greater than the preset value, and a second judging module 365 for judging the speed of each of the sensed vehicles based on the speed information of the inputted vehicle information, A second determination module 366 for determining a vehicle having a speed lower than the second set value TH2 as an accident vehicle as compared with the second set value TH2 and a second determination module 366 for determining the trajectory information of each of the detected vehicles inputted from the data detection unit 315, Tracing the trajectory of each of the detected vehicles A third judgment module 367 for judging the conflicting detected vehicles as an accident vehicle when the locus is in conflict, and a third judgment module 367 for judging the conflicting detected vehicles as an accident vehicle and the first, second and third judgment modules 365, 366, And an erroneous information generating module 369 for detecting the location of the accident expected area when the accident vehicle is detected and generating erroneous information including the detected location.

The first judgment module 365 compares the difference between the average speed calculated by the speed difference calculation module 361 and the vehicle speed of each of the detected vehicles with a predetermined first set value TH1, A vehicle having a speed difference equal to or higher than the set value (TH1) is determined as an accident vehicle. At this time, the first set value TH1 is defined as a maximum speed difference value with an adjacent vehicle that can be determined as an accident vehicle.

The second judgment module 366 judges the detected vehicle as an accident vehicle when the speed of each of the detected vehicles is less than a predetermined second set value TH2 which is a minimum speed value for judging the speed of each of the detected vehicles as an accident vehicle. At this time, the second set value TH2 is preferably '0'.

The third determination module 367 analyzes the trajectory information received from the data detection unit 315 and determines the conflicting vehicles as an accident vehicle when the trajectory of each of the detected vehicles is generated.

The erroneous information generation module 369 determines the location of the expected accident area when the sensed vehicle is determined to be an accident vehicle in any one of the first judgment module 365, the second judgment module 366 and the third judgment module 368 And generates an erroneous information including an estimated accident area location after the detection. The erroneous information generated at this time is input to the pan / tilt driver 319 and the vehicle information generator 317 under the control of the controller 311.

The vehicle information generating unit 317 generates the vehicle ID information of each of the detected vehicles detected by the data detecting unit 315 and the position information of the sensing area S and the photographing area S ' Speed and locus information, and erroneous information generated by the erroneous information generating unit 316. The erroneous information generating unit 316 generates erroneous information.

The vehicle information generated by the vehicle information generating unit 317 is transmitted to the traffic management server 5 through the communication interface unit 313 under the control of the control unit 311. [

The pan tilt driving unit 319 controls the pan angle and the tilt angle of the second photographing unit 353 according to the position of the accident occurrence area of the inputted extreme information, Allow the scene to be photographed.

FIG. 7 is a block diagram illustrating the traffic management server of FIG. 2. FIG.

The traffic management server 5 of FIG. 7 includes a database unit 52 for storing data, a data transmitting and receiving unit 53 for transmitting and receiving data between the controller 31 and the terminals 7, a data transmitting and receiving unit 53, And detects a predetermined resolution of the radar transmitting / receiving unit 33 based on the controller ID value of the vehicle information transmitted through the cell information receiving unit 33. Then, it determines a cell area to be displayed according to the detected resolution, The management unit 54 maps the vehicle information received through the data transmission and reception unit 53 and the cell unit vehicle information generated by the cell management unit 54 to a virtual map prepared in advance according to a predetermined graphic procedure An interface managing unit 56 for producing a graphical user interface composed of a first interface and a second interface for displaying the photographed image and updating the real time according to the variation of the vehicle information and the cell unit vehicle information, And a control unit 51 for managing and controlling the control objects 52, 53, 54, and 56.

The control unit 51 is an OS (Operating System) of the traffic management server 5 and manages and controls the controlled objects 52, 53, 54, and 56.

In addition, the control unit 51 crawls the data transmission / reception unit 53 in real time to receive the vehicle information and the shot image transmitted from the vehicle detection unit 3.

The control unit 51 also inputs the vehicle information received from the vehicle detection unit 3 to the cell management unit 54 and the interface management unit 56. [

When the controller 51 receives the traffic information from the connected terminal 7, the controller 51 transmits the corresponding graphic user interface to the connected terminal 7.

The stagnation degree reference table indicating the degree of stagnation for each vehicle speed is previously stored in the database unit 52 and stored. At this time, the stagnation degree reference table is set to a stagnant state when the cell-based vehicle speed is less than the first limit speed V1, a stagnation degree when the cell-unit vehicle speed is equal to or greater than the first limit speed V1, , The degree of congestion is set to the 'normal' state, and the degree of congestion is set to the 'smooth' state when the cell-based vehicle speed is equal to or higher than the second limit speed (V2).

In addition, a color reference table matching the display color, which is the color to be displayed in the traffic information interface 700 according to the degree of congestion, is preliminarily stored in the database unit 52. In this case, the color reference table is displayed when the degree of congestion is 'congested', when the display color is red, when the congestion degree is 'normal', when the display color is orange, when the degree of congestion is 'smooth' do.

The cell management unit 54 searches the database unit 52 in which the predetermined resolution value of the radar transmitting and receiving unit 33 is stored according to the identification ID value of the controller 31 and determines the resolution corresponding to the controller identification ID value of the received vehicle information A cell area calculating module 541 for calculating a cell area according to the detected resolution after detecting the cell area S and a cell area calculating module 541 for dividing the intersection S into a plurality of cells according to the cell area calculated by the cell area calculating module 541, 8, a cell position detection module 542 for detecting the position of each of the cells forming the cell area S and the intersection S according to the cell area calculated by the cell area calculation module 541, And a cell speed calculation module 543 for calculating the cell unit vehicle speed of each of the cells after divided into cells.

In this case, a cell is defined as areas in which an intersection is divided into a plurality of areas, and traffic information is displayed when traffic information is displayed through a graphical user interface. In other words, according to the present invention, traffic information is displayed on a cell-by-cell basis in which traffic information for an intersection is divided into a plurality of traffic information, thereby allowing the reader to easily recognize traffic information for a specific location, and at the same time, Minimize it.

The cell area calculation module 541 of the cell management unit 54 calculates the cell area according to the predetermined resolution of the radar transmission / reception unit 33. [ At this time, the sensing area S is divided into a plurality of cells according to the cell area calculated by the cell area calculating module 541, and the traffic information is displayed on a cell basis.

FIG. 8 is an exemplary diagram for explaining the resolution applied to the cell management unit of FIG. 7, and FIG. 9 is an exemplary diagram illustrating the resolution of FIG.

Referring to FIGS. 8 and 9, as the distance from the radar device 33 increases when the radar device 33 transmits / receives the radar device to the predetermined sensing area, the noise increases The vehicle detection rate of the controller 31 is lowered. That is, if the two vehicles 701 and 702 are running on the adjacent road from the radar device 33, the controller 31 can correctly determine the respective vehicles 701 and 702, When two vehicles 703 and 704 traveling at a long distance from the vehicle 33 are traveling, they can not discriminate each of the vehicles 703 and 704 at a long distance and sense it as a single vehicle.

That is, the resolution is defined as the minimum separation distance between objects that can distinguish each of the objects at the farthest distance from the radar transmission / reception unit 33, and this resolution R is 2 A minimum distance between objects capable of identifying two objects C and D at the same distance and a distance resolution R1 that is a minimum distance difference between objects capable of identifying the objects A and B, And the azimuth resolution (R2) as the distance difference.

Also, the resolution will have different values depending on the performance, manufacturer, type and configuration of the radar.

That is, the cell area calculation module 541 of FIG. 7 calculates the cell area defined by the following equation (1).

Equation 1

Cell area = k x distance resolution x azimuth resolution

Where k is a proportional constant.

The cell position detection module 542 divides the intersection S into a plurality of cells according to the cell area calculated by the cell area calculation module 541, and then detects the position of each of the divided cells.

The cell rate calculation module 543 calculates the cell rate of each of the cells using the velocity of the vehicle included in each of the cells using the cell position detected by the cell position detection module 542 and the positional information of each of the detected vehicles Unit vehicle speed).

The calculated unit cell vehicle speed is input to the interface management unit 56.

10 is a block diagram showing the interface management unit of FIG.

The interface management unit 56 includes a mapping module 561 for mapping cells and vehicles to a virtual map, which is an intersection linear digital map, as shown in FIG. 10, An interface generation module 563 for generating a graphical user interface including a second interface on which an interface and a photographed image are displayed, And a display module 567 for displaying the cell image and the vehicle image on the graphic user interface according to a predetermined graphic procedure.

The mapping module 561 also uses the position information of each of the cells input from the cell management unit 54 and the position information of each of the sensing vehicles included in the vehicle information transmitted from the controller 31, And maps the cell and the vehicle to the virtual map.

11 is an exemplary diagram illustrating a graphical user interface generated by the interface generation module of FIG.

11, the interface generation module 563 includes a first interface 710 as a graphical user interface on which a virtual map mapped by the mapping module 561 is displayed, And a traffic information interface 700 as a graphical user interface including a second interface 720 as a user interface to be displayed.

The comparison module 565 substitutes the cell unit vehicle speed into the congestion degree reference table stored in the database unit 52 to detect the degree of congestion of each of the cells.

Also, the comparison module 565 substitutes the vehicle speed of each of the detected vehicles into the congestion degree reference table to detect the degree of congestion of each of the detected vehicles.

Also, the comparison module 565 substitutes the degree of stagnation of each of the cells into the color reference table stored in the database unit 52 to detect the display color of each of the cells.

In addition, the comparison module 565 substitutes the degree of stagnation of each of the detected vehicles into the color reference table to detect the color of each of the detected vehicles.

At this time, the display color of each of the cells detected by the comparison module 565 and the display color information of each of the sensing vehicles are input to the display module 567.

The display module 567 determines the display method of the traffic information interface 700.

The display module 567 also displays the cell image and the vehicle image according to the display color detected by the comparison module 565 when displaying the first interface 710.

In addition, the display module 567 displays a mark symbol indicating the traveling direction according to the sign information of the detected vehicle together with the vehicle image.

The display module 567 also allows the length of the landmark to be formed in proportion to the vehicle speed of the detected vehicle.

Also, the display module 567, when not shown in the drawing, receives the unexpected information from the vehicle detector 3, and displays an accident location included in the unexpected information and a warning message that an unexpected situation has occurred, on one side of the graphic interface 700.

12 is an exemplary view showing a traffic information interface displayed by the present invention.

12, the display module 567 displays a cell image C divided into a plurality of intersection S areas when displaying traffic information on the first interface 710 of the traffic information interface 700, A vehicle image 711 indicating the detected vehicle, and a mark symbol 713 indicating the running direction of the detected vehicle are displayed.

The display module 567 also displays the cell image C and the vehicle image 711 when the degree of stagnation of each of the cells and the degree of stagnation of the detected vehicle are in a 'congested' state according to the display color detected by the comparison module 565 The cell image C and the vehicle image 711 are displayed in orange color when the state is in the normal state and the cell image C and the vehicle image 711 are displayed in green when the state is' So that the driver can recognize the traffic situation of the intersection easily and easily.

1: intersection traffic information display system 3: vehicle detector 5: traffic management server
7: terminal 8: communication network 31: controller
33: radar transmitting / receiving unit 35: photographing means 51:
52: Database part 53: Data transmission / reception part 54:
56: interface management unit 311: control unit 312: memory
313: Communication interface unit 315: Data detection unit
316: traffic accident judgment unit 317: vehicle information generation unit
319: Radar driver

Claims (10)

And a controller for detecting vehicle information including a position and a velocity of the detected vehicle by analyzing a radar signal applied to the radar transmission / reception unit, wherein the radar transmission / reception unit transmits / receives a radar to / Probe;
A cell unit vehicle speed, which is a speed of a vehicle included in each of the cells, is calculated by dividing the sensing area S into cells having a predetermined area and then matching the position of the sensing vehicle with the sensing area S, And a traffic management server for creating a graphical user interface in which a cell image representing the cells is mapped in a prefabricated virtual map that is a linear numeric map corresponding to a road,
Wherein the graphical user interface displays the corresponding cell image in a predetermined color according to the cell-unit vehicle speed. The traffic management system according to claim 1,
A database unit for storing the congestion degree information per vehicle speed and the color information per degree of congestion in advance;
A comparison unit for searching for vehicle body level information for each vehicle speed to detect a degree of congestion corresponding to a cell unit vehicle speed of each of the cells;
And a display unit for displaying the cell image on the graphic user interface according to the detected display color by searching for the color information by the degree of stagnation to detect the display color corresponding to the degree of stagnation detected by the comparison unit, Characterized by an intersection car information display system. The method of claim 1 or 2, wherein the areas of the cells include a distance resolution that is a minimum distance between objects that can identify two objects in the same direction and a minimum distance between objects that can identify two objects at the same distance Wherein the distance information is proportional to a value multiplied by a bearing resolution. 4. The method according to claim 3, wherein the graphical user interface maps the vehicle images representing the respective sensing vehicles and the landmark symbol representing the traveling direction of each of the sensing vehicles to the virtual map, And the length of the landmark symbol is proportional to the length of the landmark symbol. The vehicle inspection system according to claim 4, wherein the vehicle detector further comprises photographing means for photographing the intersection to obtain a photographed image,
Wherein the traffic management server displays the photographed image transmitted in real time from the vehicle detector on the graphical user interface. The controller as claimed in claim 5, wherein the controller further includes a determination unit that determines an accident location, which is a location of the detected vehicle determined as the accident vehicle, by determining the detected vehicles as an accident vehicle, Generates incident information including an accident location, transmits the information to the traffic management server,
Wherein when the traffic management server receives the unexpected information from the controller, the display unit displays a guidance message including an accident location included in the unexpected information on one side of the graphical user interface. 7. The apparatus according to claim 6, wherein the photographing means comprises: first photographing means for photographing the intersection; second photographing means for photographing an accident scene by pan-tilting to an accident position included in the sudden information upon receiving the sudden- Vehicle information display system. 7. The apparatus of claim 6,
An average speed calculation module for calculating an average speed of the detection vehicles traveling on the intersection;
A speed difference calculation module for calculating a speed difference value between a vehicle speed of each of the detection vehicles and an average speed calculated by the average speed calculation module;
Comparing the speed difference value calculated by the speed difference calculation module with a first set value TH1 (Threshold) which is a preset limit value, and when the speed difference value is equal to or greater than the first set value TH1, And a first determination module for determining the vehicle as a vehicle. 7. The apparatus of claim 6,
And a second determination module for comparing the speed of the detected vehicle with a predetermined second set value TH2 to determine a vehicle having a speed lower than the second set value TH2 as an accident vehicle, Vehicle information display system. 7. The apparatus of claim 6,
A detection module for detecting a trajectory of each of the detection vehicles based on the radar signal;
And a third determination module that tracks the trajectory of each of the detected vehicles detected by the detection module and determines the detected vehicles corresponding to the conflicting trajectories as an accident vehicle when the trajectories are in conflict. Information display system.

Images