KR20090090049A

KR20090090049A - Apparatus and method for real-time traffic information service

Info

Publication number: KR20090090049A
Application number: KR1020080015290A
Authority: KR
Inventors: 김종욱; 김태규
Original assignee: 동아대학교 산학협력단
Priority date: 2008-02-20
Filing date: 2008-02-20
Publication date: 2009-08-25

Abstract

An apparatus and method for real-time traffic information service is provided to supply the road state information in advance to the vehicle driver. The apparatus for real-time traffic information service comprises the terminal unit(100), and the main system(200) and the server for controlling traffic(400). The terminal unit takes a picture of the road see in real time. The terminal unit delivers the real-time traffic information to the receiving means of the running vehicle. The main system is wirelessly connected to the terminal and wire or the terminal. The server for controlling traffic gives the unique identifying information to the main system. The server for controlling traffic delivers the integration and the analyzed traffic information to one or more main system.

Description

Apparatus and method for real-time traffic information service

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intelligent transportation system, and more particularly, to a real-time traffic information service apparatus and method for providing traffic information to a vehicle driver by analyzing traffic conditions at an intersection and transmitting and receiving traffic information.

As the penetration rate of automobiles increases rapidly, the number of vehicles is increasing rapidly exponentially, while the penetration rate of roads cannot keep up. Accordingly, the vehicle driver tries to bypass the traffic jam or congested area by grasping the road conditions from the current location to the destination to reach the destination. In order to obtain such traffic information, it is necessary to receive data on the current location and destination of each vehicle and process it in the central control center to predict the current road situation and the future traffic situation.

For this purpose, recently, an Intelligent Transportation System (ITS), called an intelligent transportation system, has been developed and used.

Intelligent Transportation System (ITS) adds related technologies such as electronics, control, information, and communication to existing traffic systems such as roads, vehicles, and signaling systems to facilitate the flow of information without disconnecting information between vehicles and roads. It is no exaggeration to say that the information and communication technology field takes up the most part as a system introduced from the concept of maximizing the use of.

As part of this intelligent traffic system, traffic management systems such as CCTV, Traffic Information Collector (VDS) and Traffic Information Display (VMS) are about every 1 km to collect traffic information or display traffic conditions on highways, national roads and highways. (Traffic Management Systems) is being installed and operated on new systems every year.

However, traffic information analysis using intelligent traffic system installed in this way is carried out without very technical information and high technical support such as traffic survey through CCTV and traffic analysis of each tollgate, so the traffic analysis method analyzed only analyzes rough traffic flow. I'm just telling the driver. Accordingly, the vehicle driver receiving the traffic information is passively receiving the overall traffic situation, so it is difficult to trust the provided section traffic information or to refer to driving, so it is difficult to be used effectively.

In addition, the current intelligent traffic system only analyzes the traffic volume and provides it to the driver of the vehicle, and there is no function to reduce the congestion rate of the corresponding section or provide more smooth communication of the vehicle according to the analyzed traffic volume information. It is not happening or it is very incomplete.

Therefore, it is necessary to develop an intelligent transportation system that can improve the reliability of the traffic volume information analyzed, and also to study how to provide traffic congestion rate or traffic more smoothly according to the analyzed traffic volume information. have.

Accordingly, the present invention has been made to solve the above problems, to provide a real-time traffic information service apparatus and method that can improve the reliability of traffic volume information analyzed by the technical progress of the intelligent traffic system currently being promoted The purpose is.

Another object of the present invention is to provide a real-time traffic information service device and method that can effectively reduce the signal waiting time consumed on the road by reflecting the signal cycle of the traffic light lamp using the analyzed traffic volume information.

It is still another object of the present invention to collect traffic volume information for each section of a road, provide traffic information to a vehicle driver more quickly and accurately, and provide a real-time traffic information service device that can provide reliable traffic information to a vehicle driver. To provide a method.

Another object of the present invention is to provide a real-time traffic information service apparatus and method for installing on top of the traffic light lamp to recognize the traffic volume of the intersection, analyze the traffic volume through the main system and control the traffic light lamp accordingly.

Features of the real-time traffic information service apparatus according to the present invention for achieving the above object is a terminal for real-time shooting the current road situation, and transmits the real-time traffic information to the receiving means provided in the vehicle running in the adjacent area; The main system which is connected to the terminal by wire or wirelessly and analyzes the traffic condition of the current road in real time based on the image information captured in real time from the terminal, and gives unique identification information to the main system and connects the wired / wireless network. It includes a traffic control server for generating the integrated traffic information by integrating and analyzing the traffic information collected from at least one or more main systems, and then transmitting to each main system.

Preferably, the terminal receives an image sensor for photographing the current road situation in real time through a camera, and a receiving means provided in a vehicle running in an adjacent area by receiving integrated traffic information transmitted from the traffic control server through a main system. And a wireless local area communication unit for transmitting.

Preferably, the image sensor may include a direction recognition image sensor for photographing a road seen in front of a vehicle traveling on a road, and an intersection recognition image sensor for photographing a road vertically.

Preferably, the main system includes identification information unique to the main system, and includes a memory unit for storing at least one or more information among geospatial information, road state information, and map information, image information photographed through the terminal, and the memory unit. Calculating at least one of an image processing unit for recognizing a vehicle through a vehicle recognition algorithm based on the information stored in the vehicle, and a number of stopped vehicles, a number of vehicles passing through, and a traffic volume based on the vehicle recognized by the image processing unit; A traffic analysis unit for analyzing a current traffic situation of a road based on the information stored in the memory unit, and transmitting the current traffic information analyzed by the traffic analysis unit to the traffic control server and receiving the traffic control server; Characterized in that it comprises an information transmission unit for transmitting the traffic information to the outside.

Preferably, the traffic control server generates a signal cycle control signal of the traffic light lamp based on the integrated traffic information, and transmits the generated signal cycle control signal to the traffic light controller through each main system to signal signal length of the traffic light lamp. It is characterized by controlling (time).

A characteristic of the real-time traffic information service method according to the present invention for achieving the above object is (A) analyzing the number of vehicles by performing the image processing through the vehicle recognition algorithm based on the image information taken in real time the current road situation And (B) calculating at least one of the number of vehicles for each lane, the number of traffic vehicles, and the amount of vehicle traffic based on the analyzed vehicle number, and based on the pre-stored road form, vehicle direction, and road condition information. Analyzing the current traffic conditions of the road; (C) transmitting the analyzed traffic information along with unique identification information to a traffic control server through a wired / wireless network; and (D) at least at the traffic control server. Aggregate real-time traffic conditions of the entire roadway, generated and aggregated and analyzed by road location based on traffic and identification information from one or more locations And the step of receiving the call information, (E) comprises the step of transmitting the received number of stages provided in the vehicle is traveling in the adjacent integrated traffic area received from the traffic control server.

Preferably, the vehicle recognition algorithm is further configured to separate the image portion of the vehicle for each vehicle driving direction by referring to at least one of the road shape and the vehicle driving direction information. And dividing the lanes by the width of the basic lane with reference to at least one of the road condition information, and classifying the vehicles by applying the average length of the vehicle within each lane based on the divided lanes, And analyzing the number of vehicles by additionally classifying color information to the used vehicles.

Preferably, the traffic control server receives the signal period control signal of the traffic light lamp generated based on the integrated traffic information, and transmits the signal period control signal received from the traffic control server to the traffic light controller to control the signal period And controlling the cycle length (time) of the on / off of the traffic light lamp based on the signal.

Preferably, the generation of the signal period control signal may include calculating a congestion rate by using at least one of the number of vehicles currently waiting for signal, the number of vehicles that can pass through and the number of vehicles entering based on the integrated traffic information; And calculating a first signal period length (time) of the traffic light lamp required for eliminating the jam by using the calculated stagnation rate, and converting the calculated first signal period length (time) to a preset signal period length of the traffic light. Calculating a second signal period length (time) by adding to (time), and generating a signal period control signal for controlling a traffic light lamp to have the second signal period length (time). do.

The real-time traffic information service device and method according to the present invention as described above has the following advantages.

First, by using the nearby intersection signal waiting vehicle information taken from the terminal in real time, the vehicle driver can grasp the road situation information in advance, thereby generating an optimal driving route at the time of traffic congestion.

Second, by providing real-time road situation information through the traffic control server, it is possible to actively eliminate the traffic congestion by adjusting the control period of the traffic light lamp for each road.

Third, it is possible to increase the convenience of driving by providing the driver with a reliable and fast road situation accurately, and accordingly, it is possible to efficiently control traffic light lamps in real time by analyzing traffic information more accurately.

Other objects, features and advantages of the present invention will become apparent from the following detailed description of embodiments with reference to the accompanying drawings.

A preferred embodiment of the real-time traffic information service apparatus and method according to the present invention will be described with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, only the embodiments to complete the disclosure of the present invention and to those skilled in the art to complete the scope of the invention It is provided to inform you.

1 is an overall conceptual diagram showing the configuration of a real-time traffic information service apparatus according to an embodiment of the present invention. 2 is a conceptual view illustrating transmission and reception between a terminal and a navigation module in FIG. 1 in detail, and FIG. 3 is a conceptual view illustrating a location of the terminal of FIG. 1 in detail.

1 to 3, the real-time traffic information service device is installed on the top of the traffic light lamp, the terminal 100 for photographing the current road situation in real time, and transmits traffic information to the driver, and the terminal 100 And a main system 200 connected in a wired or wireless manner and analyzing traffic conditions of a current road in real time based on image information captured in real time from the terminal 100, and identification information unique to the main system 200 (Internet). Protocol address (IP) is assigned and traffic information collected from at least one main system 200 through the wired / wireless network is integrated and analyzed to generate integrated traffic information, and then transmitted to each main system 200. The navigation server 500 for receiving the integrated traffic information transmitted from the traffic control server 400 and the traffic control server 400 through the terminal 100 to generate an optimal driving route. Include.

In this case, as shown in FIG. 2, the terminal 100 main-streams the integrated traffic information transmitted from the image sensor 110 and the traffic control server 400 to photograph the current road situation in real time through a CMOS camera. It includes a wireless short-range communication unit 120 received through the system 200 to transmit to the navigation module 500 provided in the vehicle running in the adjacent area.

In addition, as illustrated in FIG. 3, the image sensor 110 included in the terminal 100 basically installs five image sensors 111 to 115 at a four-way intersection. That is, a total of four direction-recognition image sensors 111 to 114, one at a position (the top of a traffic light lamp) visible in front of the vehicle running on the road, and one intersection recognition image sensor to photograph the intersection vertically ( 115).

In addition, as shown in FIG. 4, the main system 200 stores a geospatial information 242, road condition information 244, map information 246, and identification information (IP) unique to the main system 200. An image processor 210 for recognizing a vehicle based on the unit 240, image information photographed through the terminal, road shape, vehicle driving direction, and road state information stored in the memory unit 240; The number of vehicles stopped, the number of vehicles passing through, and the vehicle traffic volume are calculated on the basis of the vehicle recognized in 210, and based on the road form, vehicle driving direction, and road state information stored in the memory unit 240. Traffic analysis unit 220 for analyzing the current traffic conditions of the road, and transmits the current traffic information analyzed by the traffic analysis unit 220 to the traffic control server 400, received by the traffic control server 400 Integrated traffic information and traffic light signal cycle control And an information transmitter 230 for transmitting the call to the navigation module 500 and the traffic light controller 300 in the driving vehicle.

In this case, the geospatial information is geographical spatial information on the road, the road state information is attribute information on the road state, and the map information is information on the map. In addition, when the information transmitting unit 230 transmits the integrated traffic information to the navigation module 500, the information transmitting unit 230 is first transmitted to the terminal 100, and then transmitted back to the navigation module 500 through the wireless local area communication unit 120 in the terminal 100. However, if the wireless short-range communication unit 120 is provided in the information transmitter 230, it is natural that the information may be transmitted directly to the navigation module 500 without passing through the terminal 100.

The main system 200 configured as described above is preferably installed at a location adjacent to the terminal 100, and in this case, the main system 200 may be installed inside the traffic light controller 300. For reference, the traffic light controller 300 is installed at a position adjacent to the traffic light lamp, and is a conventional means for controlling the on / off of the traffic light lamp, a detailed description thereof will be omitted.

Meanwhile, the traffic control server 400 integrates and analyzes the traffic information collected through the main system 200, and then, based on the integrated traffic information generated, the signal cycle of the traffic light lamp to solve the traffic congestion on the road. A control signal is generated and a signal cycle control signal generated together with the integrated traffic information is transmitted to each main system 200.

Then, when the signal cycle control signal is received from the traffic control server 400, the main system 200 transmits the signal cycle control signal to the traffic light controller 300 to control the on / off of the traffic light lamp with the signal cycle control signal, thereby providing traffic on the road. Actively eliminate congestion.

The operation of the real-time traffic information service apparatus according to the present invention configured as described above will be described in detail with reference to the accompanying drawings.

5 is a flowchart illustrating a real-time traffic information service method according to an embodiment of the present invention.

Referring to FIG. 5, first, the terminal 100 photographs the current road situation in real time through the image sensor 110 and transmits the captured image information to the main system 200 (S10).

That is, the image sensor 110 is composed of the direction-recognition image sensor 111 to 114 and the intersection recognition image sensor 115 as shown in Figure 3 in the case of a four-way intersection, the direction-specific recognition is located in the traffic light, the driving signal The image sensor captures the image of the vehicle entering the intersection, and the remaining three direction-recognition image sensors positioned at the traffic light in which the stop signal enters take the image of the waiting vehicle. In addition, the intersection recognition image sensor 115 enters the intersection and captures an image of the vehicle being driven. The five images thus taken are transferred to the main system 200. In this case, since it is a preferred embodiment of the case of the four-way intersection, the number and configuration of the image sensor 110 vary according to the road type and type, and the number of image information to be photographed is also natural.

Subsequently, the main system 200 analyzes a real-time traffic situation by performing image processing and traffic analysis through a vehicle recognition algorithm based on the image information input from the image sensor 110 (S20).

The process of analyzing the real-time traffic situation through the main system 200 will be described in more detail with reference to the accompanying drawings.

First, the main system 200 refers to the image information transmitted from the terminal 100 through the image processing unit 210 through the vehicle recognition algorithm with reference to the road shape, vehicle driving direction, and road state information stored in the memory unit 240. Image processing is performed to recognize the vehicle.

6 to 8 illustrate a process of identifying a vehicle by performing a vehicle recognition algorithm through an image processor of the main system. 6 is a diagram for explaining an image processing process of a lane in which a stop signal is input, and FIG. 7 is a diagram for describing an image processing process of a lane in which a driving signal is input, and FIG. 8 is a view of a vehicle traveling through the intersection. It is a figure for demonstrating the process.

Referring to FIGS. 6 and 7, first, the image processing unit 210 receives image information obtained by photographing road conditions as illustrated in FIGS. 6A and 7A through the image sensor 110. Referring to FIG. 6 (b) and FIG. 7 (B), the image portion of the vehicle is separated by the vehicle driving direction with reference to the road shape and the vehicle driving direction stored in the unit 240 to generate an image of a vehicle recognition range. Subsequently, when the range image information is generated, the image processing unit 210 refers to the road shape and the road state information stored in the memory unit 240 and searches for the lane through the width of the basic lane as shown in FIGS. 6 (c) and 7 (C). Make a distinction. The image processor 210 classifies the vehicle according to the photographing angle of the image sensor 110 based on the average length of the vehicle in each lane based on the lanes divided as shown in FIGS. 6 (d) and 7 (D). 6 (e) and 7 (E) further classify color information into the divided vehicles and analyze the correct number of vehicles. Accordingly, the number of vehicles stopped by the signal waiting can be analyzed through the image information of FIG. 6 (e), and the number of vehicles passing through the intersection can be analyzed through the image information of FIG. 7 (E). Can be.

8 is image information photographed by the intersection recognition image sensor 115, and the image processor 210 analyzes the number of vehicles passing through the intersection using the vehicle recognition algorithm of the same method as described above.

Next, the main system 200 may determine the number of vehicles for each lane that are stopped, the number of vehicles passing through, and the traffic volume based on the number of vehicles analyzed by the image processor 210 through the traffic analyzer 210. It calculates and analyzes the current traffic conditions of the road in real time based on the road shape, vehicle progress direction, and road condition information stored in the memory unit 240.

In addition, the main system 200 may transmit traffic information on the current traffic situation analyzed by the traffic analyzer 210 through the information transmitter 230 and unique identification information stored in the memory 240 (Internet Protocol address: IP). ) Is transmitted to the traffic control server 400 via a wired / wireless network together.

When the current real-time traffic information is input through the main system 200, the traffic control server 400 detects a corresponding road position of the real-time traffic information input by referring to the unique identification information. And based on the traffic information collected through the at least one main system 200 by integration and analysis for each road location to generate a signal cycle control signal of the integrated traffic information and traffic light lamp of the real-time traffic situation of the entire road (S30).

Looking at the integration and analysis method, the traffic control server 400 is waiting for the real-time traffic information input through the main system 200 to receive the vehicle information and the stop signal, starting from the road in which the driving signal largely exited to each road Can be classified as vehicle information.

At this time, the information of the driving vehicle is divided into the driving direction and the number of vehicles, and this information is analyzed by comparing the number of vehicles exiting the traveling direction due to the driving signal with the number of vehicles divided into each intersection. do. The information of the stationary vehicle is composed of the number of stationary vehicles. The information analyzes the number of vehicles and analyzes traffic conditions that occur when the next signal enters the road.

Based on the traffic conditions analyzed in this way, integrated traffic information for each road is generated.

And based on the traffic conditions analyzed in this way, the signal cycle control signal of the traffic light lamp is generated.

For example, assume that there are n vehicles waiting to receive a stop signal using the analyzed traffic situation, and that the number of vehicles that can pass through the driving signal on the road is limited to m. Then, if m> n, the vehicle that is now stopped will pass through the intersection within a sufficiently defined signal period, but if m <n, it can be seen that the amount of congestion is generated by the number of vehicles by n-m.

Therefore, by applying the calculated traffic congestion by road to the traffic flow of the entire city with reference to the generated integrated traffic information to generate a signal cycle control signal of the traffic light lamp so that the traffic congestion of the road can be eliminated.

Looking at the generation of the signal period control signal in detail as a preferred embodiment, first, the time of the driving signal, that is, the straight signal and the left turn signal is t0, the period is tn, the number of vehicles that can pass during t0, N, stand by If we define M as the number of vehicles, the number of cars exiting the intersection per second is. And when A is the number of vehicles that can enter the left turn road and B is the number of vehicles that can enter the straight road, N = A + B is established. box).

The integrated traffic information generated here knows the number of vehicles leaving the driving road and the number of vehicles waiting before the signal is changed, so when the number of vehicles waiting is C, if C is less than N (C <N) Do not change the signal length. If C is greater than N (C> N) and there are many vehicles entering the driving lane from neighboring traffic lights, a signal period control signal is generated to increase the length of the signal period.

In this case, a new variable value called congestion rate is presented as a method of increasing the length of the signal period. There is a limit to the number of vehicles that can cross an intersection in a general signaling system. And there are cases where the number of waiting vehicles is larger than the number of vehicles that can pass. In this case, congestion occurs, so it is necessary to calculate the size of the congestion.

Size of congestion, or congestion rate (

) Is calculated by using the number of vehicles currently waiting for signal, the number of vehicles that can pass through, and the number of vehicles that enter.

At this time,

Is the congestion rate,

Is the number of vehicles that can pass through the intersection,

Is the number of vehicles currently waiting for traffic,

Represents the number of vehicles entering during the stop signal at the previous traffic light (intersection).

here

Since the traffic information of neighboring roads can be calculated through the generated integrated traffic information based on the number of vehicles introduced in addition to the waiting vehicle, it can be calculated.

Meanwhile, the stagnation rate calculated through Equation 1 (

To increase the signal cycle length (in hours) (

) Is calculated as shown in Equation 2 below.

At this time,

Is the preset signal cycle length in hours,

Is the congestion rate (

) Represents the amount of change in signal length.

Therefore, the n + 1 th signal length is calculated as in Equation 3 below.

At this time,

Is the signal period length (time) after signal period control,

Denotes a preset signal period length (time).

The traffic control server 400 transmits the integrated traffic information and the signal period control signal generated in this way to each main system 200.

Then, the main system 200 is a navigation module provided in the vehicle running in the adjacent area by using the wireless local area communication unit 120 in the terminal 100 of the integrated traffic information received from the traffic control server 400 Send to 500. In addition, the main system 200 transmits a traffic light lamp signal period control signal of the information received from the traffic control server 400 to the traffic light controller 300 (S40).

Accordingly, the navigation module 500 generates an optimal driving route based on the received integrated traffic information and provides the driver to the driver at step S50. The traffic light controller 300 is connected to the traffic light lamp based on the received signal period control signal. The cycle length of the on / off is controlled (S60).

FIG. 9 is a graph illustrating a congestion rate simulation for a case of a general traffic light control cycle, and FIG. 10 is a graph illustrating a congestion rate simulation for the case where the real-time traffic information service method according to the present invention is applied. For reference, the results shown in FIGS. 8 and 9 are results of simulations using measurement data through intersection photographs because direct traffic lights cannot be adjusted, and measure traffic for one hour from 5 pm to 6 pm on Sundays in the lower intersection of Busan. This is the result of reflecting only two lanes.

9 is a result showing the congestion rate in a typical congestion time zone, calculated using the number of vehicles flowing in a state in which a signal cycle length (time) of a traffic light lamp is constant, and congestion when the y-axis value is 0 (%). There is no rate. In FIG. 9, more than 70% of the 10 observations indicate congestion. In this case, it can be seen that more vehicles are waiting than the number of vehicles that can pass the intersection signal.

On the other hand, Figure 10 is a result of performing the case of controlling the signal cycle according to the present invention for the same traffic volume, it can be seen that the result of FIG. 10 is reduced by about 39% on average than the result of FIG. This results in better communication than when the change in signal cycle length (time) was applied according to the traffic volume.

In the above case, the simulation is performed using only two lanes of the intersection, so if the vehicle is enlarged to four lanes, the congestion rate of the vehicle may be further reduced.

Although the technical spirit of the present invention described above has been described in detail in a preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is an overall conceptual diagram showing the configuration of a real-time traffic information service apparatus according to an embodiment of the present invention

2 is a conceptual diagram illustrating transmission and reception between a terminal and a navigation module in FIG. 1 in detail;

3 is a conceptual diagram illustrating in detail a location where a terminal of FIG. 1 is configured;

4 is a conceptual diagram showing in detail the structure of the main system of FIG.

6 to 8 are diagrams for explaining a process of identifying a vehicle by performing a vehicle recognition algorithm through an image processing unit of a main system;

9 is a graph illustrating a congestion rate simulation for a case of a general traffic light control cycle.

10 is a graph illustrating a congestion rate simulation when a real-time traffic information service method according to the present invention is applied.

* Explanation of symbols for main parts of the drawings

100: terminal 110: image sensor

111 ~ 114: Image sensor for each direction 115: Image sensor for intersection

120: wireless local area communication unit 200: main system

210: image processor 220: traffic analyzer

230: information transmission unit 240: memory unit

300: traffic light controller 400: traffic control server

500: navigation module

Claims

A terminal for photographing the current road situation in real time and transmitting real time traffic information to a receiving unit provided in a vehicle running in an adjacent area;

A main system which is connected to the terminal by wire or wirelessly and analyzes the current traffic condition of the current road based on image information captured in real time from the terminal;

Traffic control server which gives unique identification information to the main system, integrates and analyzes traffic information collected from at least one main system through wired / wireless network to generate integrated traffic information, and then transmits it to each main system. Real-time traffic information service device comprising a.

The method of claim 1, wherein the terminal

Image sensor for real-time shooting of current road situation through camera,

And a wireless local area communication unit for receiving the integrated traffic information transmitted from the traffic control server through a main system and transmitting the received traffic information to a receiving unit provided in a vehicle running in an adjacent area.

The image sensor of claim 2, wherein the image sensor

A direction-recognition image sensor for photographing a road visible in front of a vehicle traveling on a road;

Real-time traffic information service device comprising an intersection recognition image sensor for photographing the road vertically.

The method of claim 1, wherein the main system

A memory unit including identification information unique to the main system and storing at least one of geospatial information, road state information, and map information;

An image processor for recognizing a vehicle through a vehicle recognition algorithm based on image information photographed through the terminal and information stored in the memory unit;

A traffic that calculates at least one of the number of stopped vehicles, the number of vehicles passing through, and the amount of vehicle traffic based on the vehicle recognized by the image processor, and analyzes the current traffic conditions of the road based on the information stored in the memory; The analysis department,

And a current transmission unit for transmitting the current traffic information analyzed by the traffic analysis unit to the traffic control server and transmitting the integrated traffic information received from the traffic control server to the outside.

The method of claim 1,

The traffic control server generates a signal cycle control signal of the traffic light lamp based on the integrated traffic information, and transmits the generated signal cycle control signal to the traffic light controller through each main system to determine the signal cycle length (time) of the traffic light lamp. Real-time traffic information service device, characterized in that for controlling.

(A) analyzing the number of vehicles by performing image processing through a vehicle recognition algorithm based on image information captured in real time of the current road situation;

(B) calculating at least one of the number of vehicles for each lane, the number of traffic vehicles, and the amount of vehicle traffic based on the analyzed vehicle number, and based on the pre-stored road type, vehicle direction, and road condition information, the current traffic of the road; Analyzing the situation,

(C) transmitting the analyzed traffic information along with unique identification information to a traffic control server through a wired / wireless network;

(D) receiving the integrated traffic information of the real-time traffic situation of the entire road generated by integration and analysis for each road location based on the traffic information and identification information input from at least one area in the traffic control server;

(E) real-time traffic information service device comprising the step of transmitting the integrated traffic information received from the traffic control server to the receiving means provided in the vehicle running in the adjacent area.

The method of claim 6, wherein the vehicle recognition algorithm

Separating the image portion of the vehicle according to the vehicle traveling direction by referring to at least one of a road shape and vehicle driving direction information previously stored in the image information;

Dividing a lane through the width of a basic lane with reference to at least one of a road shape and road state information previously stored in the separated image information;

Classifying vehicles by applying an average length of the vehicle within each lane based on the divided lanes;

Real-time traffic information service method comprising the step of analyzing the number of vehicles by further classifying color information to the divided vehicles.

The method of claim 6,

Receiving a signal period control signal of a traffic light lamp generated based on the integrated traffic information in the traffic control server;

And transmitting a signal period control signal received from the traffic control server to a traffic light controller to control a cycle length (time) of on / off of the traffic light lamp based on the signal period control signal. Information service method.

The method of claim 8, wherein the generation of the signal period control signal

Calculating a congestion rate using at least one of the number of vehicles currently waiting to be signaled, the number of vehicles that can pass through, and the number of vehicles entering based on the integrated traffic information;

Calculating a first signal period length (time) of the traffic light lamp required for eliminating the stall rate using the calculated stall rate;

Calculating a second signal period length (time) by adding the calculated first signal period length (time) to a preset signal period length (time) such as a traffic light;

And generating a signal period control signal for controlling the traffic light lamp to have the second signal period length (time).

The method of claim 9,

The retention rate is the formula