KR20230126927A - Traffic accident prevention system and its service method - Google Patents

Abstract

The present invention relates to a traffic accident prevention system, comprising: a CCTV or radar-based traffic image capturing unit for capturing a traffic situation image including a running vehicle and a pedestrian obstacle; a traffic accident prevention server that collects driving information including the location of the vehicle, traffic information including traffic situation information and navigation information, and collects images captured by the traffic image capturing unit in real time; and a user terminal located in a user vehicle that displays traffic information including vehicle operation information, traffic condition information, and navigation information from the traffic accident prevention server, wherein the traffic accident prevention server is configured to display the traffic information within the intersection. When the pedestrian is determined to be in a dangerous state by analyzing and determining the captured image, danger warning information is transmitted to the user terminal and displayed.

Description

Traffic accident prevention system and its service method}

The present invention relates to a traffic accident prevention system and service method, and more particularly, to detect a condition that may cause a traffic accident risk situation at an intersection in advance and display a warning on a user terminal of the corresponding vehicle to prevent a car, two-wheeled vehicle, etc. It relates to a system and service method that can safely and efficiently prevent traffic accidents between vehicles and pedestrians.

Today, at an intersection, traffic accidents in which a vehicle entering from another direction is not detected and attempts to pass the intersection and collides with another vehicle frequently occur. In particular, at an intersection at a three-way intersection or a crossroads, if you are driving while watching the go straight signal of a vehicle traffic light, and the go straight signal suddenly changes to a yellow or red light near the intersection, you must stop the vehicle at the stop line, but most vehicles ignore the signal and continue at high speed is passing through an intersection.

In this case, an accident in which a vehicle entering an intersection after receiving a left turn signal from another lane collides with a vehicle ignoring the signal and going straight ahead frequently occurs. As such, the number of fatal accidents due to traffic accidents caused by signal violations and speeding vehicles at intersections is increasing every year.

In order to solve this problem, conventionally, the following prior art has been disclosed.

First, an apparatus and method for preventing vehicle collision at an intersection based on a sensor network disclosed in Korean Patent Registration No. 10-0626658 (registered on September 14, 2006) (hereinafter referred to as 'Prior Art 1') includes sensor nodes and Vehicle collision is prevented at an intersection by obtaining real-time speed and location information of the vehicle through vehicle wireless communication and informing vehicles entering the intersection from another direction through the sensor network in advance of the obtained information.

However, in the prior art 1, since smart sensor nodes are installed near an intersection, a vehicle information providing means and a vehicle information analyzing means must be provided in a vehicle, and a network environment must be established between sensor nodes, the system configuration is complicated and There is a problem in that installation and operation costs are high.

In particular, in order to ensure the safety of pedestrians crossing the crosswalk, there is a problem in that there is no system or method for detecting the pedestrian, determining whether the pedestrian is in a dangerous state, and displaying a danger warning alarm for a vehicle that may cause danger.

The object of the present invention to solve the above problems is a vehicle or pedestrian located in a dangerous area by ignoring or violating a traffic signal in an intersection area with a simple configuration and low cost using a CCTV or radar installed at an intersection conventionally. A system that can safely and efficiently prevent traffic accidents between vehicles such as cars and two-wheeled vehicles and pedestrians by detecting in advance a condition that may cause a traffic accident risk situation that may occur due to It is to provide a service method.

A first feature of the present invention for solving the above problems is a traffic accident prevention system, comprising: a CCTV or radar-based traffic image capture unit for capturing a traffic image including a running vehicle and a pedestrian obstacle; a traffic accident prevention server that collects driving information including the location of the vehicle, traffic information including traffic situation information and navigation information, and collects images captured by the traffic image capturing unit in real time; and a user terminal located in a user vehicle that displays traffic information including vehicle operation information, traffic condition information, and navigation information from the traffic accident prevention server, wherein the traffic accident prevention server is configured to display the traffic information within the intersection. When the pedestrian is determined to be in a dangerous state by analyzing and determining the photographed image, danger warning information may be transmitted to the user terminal and displayed.

Here, the traffic image capture unit may include at least one of the vehicle detection camera and the pedestrian detection camera, and the traffic accident prevention server stores the collected traffic information and the traffic condition image. information DB; an image detection unit processing and analyzing the traffic situation image stored in the traffic information DB to detect a preset object; a risk prediction unit determining whether a pedestrian is in a dangerous state in the intersection based on the object information detected from the traffic information DB and the traffic information; and a warning notification unit that generates and transmits danger warning information to a user terminal that may cause danger by determining that the risk prediction unit is in a dangerous state.

In addition, the image sensor preprocesses the traffic situation images collected and stored in the traffic information DB as binary data, and detects objects including preset vehicles and pedestrians using the preprocessed data using machine learning or deep learning technology. and tracking the detected object by labeling it.

And, a second feature of the present invention is a traffic accident prevention service method, comprising: (a) the traffic image capturing unit taking a real-time image of a traffic situation including vehicles, pedestrians, and obstacles traveling in an area at an intersection; (b) The traffic accident prevention server receives and stores the traffic situation image captured by the traffic image capture unit, collects and stores driving information including the location of the vehicle, traffic information including traffic situation information and navigation information step; (c) determining, by the traffic accident prevention server, whether vehicles and pedestrians are in a dangerous state in the intersection based on the stored traffic image and traffic information; (d) transmitting danger warning notification information to the user terminal when the traffic accident prevention server determines that the vehicle and the pedestrian are in a dangerous state; and (e) a user terminal receiving and displaying the danger warning notification information.

Here, the step (c) may include: (c1) detecting a pedestrian and a vehicle as a preset object by processing and analyzing the traffic situation image stored by the traffic accident prevention server; and (c2) determining whether vehicles and pedestrians are in a dangerous state in the intersection based on the sensed pedestrian and vehicle detection information and the traffic information.

A third feature of the present invention may be a computer program stored in a computer readable medium for executing the above-described traffic accident prevention service method installed in a computing terminal or server to enable computing or cloud computing.

The effects of the present invention to solve the above problems are as follows.

First, the present invention collects traffic information including traffic situation images, vehicle driving information, and traffic light information by photographing vehicle driving and pedestrians in real time in an intersection area to determine whether vehicles and pedestrians in an intersection are in a dangerous state. and by providing a system capable of displaying danger warning notification information on a user terminal located in a vehicle trying to enter the intersection area, traffic that may occur due to vehicles or pedestrians located in the danger zone ignoring or violating traffic signals Provided is a system capable of efficiently preventing traffic accidents by detecting in advance a condition that may cause an accident risk situation and alerting a user terminal of a corresponding vehicle.

Second, the present invention captures a traffic situation image in real time, and measures the risk of a traffic accident through whether the captured image information, vehicle location information, driving information, driving speed, pedestrian information, traffic light information, etc. are within a preset safety range. Efficient prevention of traffic accidents that may occur in the intersection area by providing a service that determines whether or not there is a danger warning and displays it by sending a danger warning notification to the user terminal of the target vehicle connected to the traffic accident prevention server and determining that there is a possibility of danger. In addition, traffic flow can be safely and smoothly induced, and a traffic accident prevention service method that can induce safe driving of a vehicle is provided.

1 shows a schematic diagram showing the configuration of a traffic accident prevention system according to an embodiment of the present invention.
2 shows a schematic block configuration diagram of a traffic accident prevention system according to an embodiment of the present invention.
3 is a diagram showing the flow of a traffic accident prevention service method according to an embodiment of the present invention.
4 is a schematic diagram showing an example of a danger warning notification when there is a pedestrian in a crosswalk of an intersection as an example of applying the traffic accident prevention system and service method according to an embodiment of the present invention.
5 is a schematic diagram showing an example of a danger warning notification by dividing a danger zone at an intersection as an example of applying the traffic accident prevention system and service method according to an embodiment of the present invention.
6 is a schematic diagram showing an example of a danger zone and danger warning notification at an intersection having six crosswalks including a diagonal crosswalk as an example of applying the traffic accident prevention system and service method according to an embodiment of the present invention. .

Specific structural or functional descriptions of the embodiments according to the concept of the present invention disclosed in this specification are only illustrated for the purpose of explaining the embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention These may be embodied in various forms and are not limited to the embodiments described herein.

Embodiments according to the concept of the present invention can apply various changes and can have various forms, so the embodiments are illustrated in the drawings and described in detail herein. However, this is not intended to limit the embodiments according to the concept of the present invention to specific disclosures, and includes modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

Terms such as first or second may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another component, for example, without departing from the scope of rights according to the concept of the present invention, a first component may be named a second component, Similarly, the second component may also be referred to as the first component.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle. Expressions describing the relationship between components, such as "between" and "directly between" or "directly adjacent to" should be interpreted similarly.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate that the described feature, number, step, operation, component, part, or combination thereof exists, but one or more other features or numbers, It should be understood that the presence or addition of steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in this specification, it should not be interpreted in an ideal or excessively formal meaning. don't

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the scope of the patent application is not limited or limited by these examples. Like reference numerals in each figure indicate like elements.

1 shows a schematic diagram showing the configuration of a traffic accident prevention system according to an embodiment of the present invention, and FIG. 2 shows a specific block configuration diagram of the traffic accident prevention system according to an embodiment of the present invention.

1 is a traffic accident prevention system according to an embodiment of the present invention, a CCTV or radar-based traffic image capturing unit 100 for capturing a traffic situation image including a running vehicle and a pedestrian obstacle; A traffic accident prevention server 200 that collects driving information including vehicle location, traffic information including traffic situation information and navigation information, and collects images captured by the traffic image capturing unit 100 in real time; and a user terminal 300 located in a user vehicle that displays traffic information including vehicle operation information, traffic condition information, and navigation information from the traffic accident prevention server 200, wherein the traffic accident prevention server 200 ) may transmit and display danger warning information to the user terminal 300 when the pedestrian is determined to be in a dangerous state by analyzing and determining the traffic information and the captured image within the intersection.

As described above, the traffic accident prevention system according to an embodiment of the present invention, in order to prevent a traffic accident within an intersection, captures the driving of vehicles and pedestrians in real time in the intersection area to provide traffic situation images, vehicle driving information, and traffic light information. A system capable of collecting traffic information, including traffic information, determining whether vehicles and pedestrians in the intersection are in a dangerous state based on this, and displaying danger warning notification information on the user terminal 300 located in the vehicle trying to enter the intersection area. By providing a traffic accident by detecting in advance a condition that may cause a traffic accident risk situation that may occur due to a vehicle or pedestrian ignoring or violating a traffic signal, and warning the user terminal 300 of the corresponding vehicle to effectively prevent a traffic accident. A preventive system can be provided.

More specifically, as shown in FIG. 1, the user terminal 100 is a computing device capable of wired/wireless communication, calculation processing, and installation of application programs (applications), which is installed inside a vehicle. It may include an on-board computer, a smartphone installed in a vehicle and performing a navigation function through an application, a tablet PC, a head up display (HUD) device, and the like. Further, the traffic accident prevention server 200 (200) may be a database capable of storing large amounts of data and a computing device capable of wired or wireless communication capable of processing large amounts of calculations.

As shown in FIGS. 1 and 2, the traffic image capture unit 100 is equipped with a CCTV or radar-based image capture device to capture images of traffic conditions including vehicles, pedestrians, and obstacles in an intersection area, It may be a CCTV or radar-based camera device. In addition, the traffic image capture unit 100 may include a plurality of cameras to photograph vehicles and pedestrians according to each moving direction of vehicles within the intersection area, and vehicle detection capable of capturing images of vehicles and pedestrians respectively. It may be provided with a CCTV or radar-based shooting device for detecting pedestrians and pedestrians.

In addition, a controller for controlling traffic signals may be provided in the intersection area. In conjunction with the controller and the traffic accident prevention server 200 according to an embodiment of the present invention, traffic signal information of the controller in the intersection area is collected in real time. can be saved

The user terminal 300 is a user registration unit 310 capable of installing an application program for executing the traffic accident prevention system and service method according to an embodiment of the present invention, accessing the traffic accident prevention server 200, and registering a user. ), a navigation display unit 350 that displays and provides a navigation service for guiding the driving destination of a vehicle provided by the traffic accident prevention server 200 or provided through other external navigation servers, and a traffic accident prevention server ( 200) may be configured to include a warning display unit 370 displaying traffic accident risk warning notification information.

In addition, when the user terminal 300 is registered as a user and connected to the traffic accident prevention server while receiving a road guidance service using a navigation application installed in the user terminal 300 like a smartphone mounted on a vehicle and used, It is also possible to receive and display traffic accident risk warning notification information.

In addition, the user terminal 300 is equipped with a GPS device and can detect the location and driving speed of the vehicle in real time through GPS information from the traffic accident prevention server 200, collect and store traffic information including this, , It is also possible to collect and store vehicle location and driving speed information through a navigation server that provides a navigation service displayed on the user terminal 300 .

The traffic accident prevention server 200 includes the traffic situation image information captured by the above-described traffic image capture unit 100, the location and driving speed of the vehicle displayed on the user terminal 300, traffic light information received from the traffic light controller, and the like. a traffic information DB 210 that collects and stores traffic information including, and an image detector 220 that detects a preset object by processing and analyzing traffic state images stored in the traffic information DB 210; an image detection unit 220 that determines whether a pedestrian is in a dangerous state in the intersection based on the traffic information and object information detected from the traffic information DB 210; and a warning notification unit 240 that generates and transmits danger warning information to the user terminal 300 that may cause danger when the image detector 220 determines that it is in a dangerous state.

Here, the traffic information DB 210 is a database device capable of collecting and storing a large amount of traffic information generated within the intersection area, and by collecting and storing information in real time, responding quickly to unexpected traffic accidents or preventing traffic accidents in advance. In order to detect the possibility of occurrence and take preventive measures, a large-capacity database device is provided that can be collected in real time, stored for a certain period of time, and extracted and used as needed.

As shown in FIG. 1, the information stored in the pain information DB includes traffic situation images captured in real time by the traffic image capture unit, traffic light information collected by the traffic signal controller, vehicle navigation information, and vehicle location information. and travel speed information.

The image sensor 220 is a device that processes and analyzes the traffic situation images stored in the traffic information DB 210 to detect a preset object, and converts the traffic situation images collected and stored in the traffic information DB 210 into a two-dimensional image. Data may be pre-processed, pre-processed data may be detected using machine learning or deep learning technology to detect objects including vehicles and pedestrians set in advance, and the detected objects may be marked and tracked. In other words, the pixel data of images captured by CCTV or radar-based filming devices are preprocessed into two-dimensional data in the form of a matrix that can be analyzed, and the preprocessed data is used to recognize vehicles or pedestrians using machine learning or deep learning technology. It is also possible to track an object in real-time photographed image data by extracting and displaying the extracted vehicle or pedestrian.

Machine learning technology is a technology in the category of artificial intelligence. It is a technology that finds rules (or models) that lead to target data when preset data and an answer suitable for this data or target data are entered. Given a large number of relevant samples, it is a technique to find statistical structures in this data and create rules to automate the task. That is, in an embodiment of the present invention, if a learning model is trained through image information of a vehicle or person that has already been opened, and preprocessed video image data is input through the trained and learned model, the vehicle or person in the image through the model You can detect whether it exists. In this way, it is possible to detect vehicles or pedestrians by processing and analyzing traffic situation images collected in real time.

Deep learning is a specific field of machine learning that has strengths in learning meaningful representations incrementally in successive layers. It is a new way of learning representations from data. In deep learning, basic layers are layered. It refers to a mathematical model that learns a representation from data by using (almost always) a stacked model called a neural network to learn a representation layer. Using such machine learning or deep learning image recognition technology, the image detector 220 of the traffic accident prevention server 200 according to an embodiment of the present invention detects the vehicle through real-time traffic image data captured and collected. Alternatively, it can recognize and detect pedestrians in real time.

The image sensor 220 is a device for determining whether a pedestrian is in a dangerous state in the intersection based on the object information detected from the traffic information DB 210 and the traffic information. collected, and the image sensor 220 comprehensively determines the information on which a person or vehicle is detected, traffic light information, and vehicle location and driving speed information, etc., so that a vehicle or pedestrian violates or ignores a traffic signal and If you are in a prohibited location, it can be determined that you are at risk of a traffic accident, and if you judge the moving direction and speed of a vehicle or pedestrian, if you violate a traffic signal within a preset time, a vehicle or pedestrian can cause a traffic accident. It can be judged as a traffic accident risk state.

Here, the determination of the dangerous state can be determined through whether there is a vehicle or pedestrian within a preset condition or range. In the case where the vehicle or pedestrian is not in a traffic light violation state but is located within a crosswalk, more attention is drawn to the vehicle. It can be judged as a dangerous state, and can transmit and display danger warning notification information to multiple terminals.

In addition, the warning notification unit 240 may generate and transmit danger warning information to the user terminal 300 that may cause danger when the image detection unit 220 determines that the above-described image detection unit 220 is in a dangerous state, and the user terminal 300 Alert notifications can be displayed through text, alert sounds, or alert vibrations.

3 is a diagram showing the flow of a traffic accident prevention service method according to an embodiment of the present invention. As shown in FIG. 3, the traffic accident prevention service method uses the above-described traffic accident prevention system, and (a) the traffic image capture unit 100 includes vehicles, pedestrians, and obstacles traveling in the area at an intersection. photographing a traffic situation image in real time (S100); (b) The traffic accident prevention server 200 receives and stores the traffic situation image captured by the traffic image capturing unit 100, and includes driving information including the location of the vehicle, traffic situation information, and navigation information. Collecting and storing traffic information (S200); (c) the traffic accident prevention server 200 determining whether vehicles and pedestrians are in a dangerous state in the intersection based on the stored traffic image and traffic information (S300); (d) when the traffic accident prevention server 200 determines that the vehicle and the pedestrian are in a dangerous state, transmitting danger warning notification information to the user terminal 300 (S400); and (e) the user terminal 300 receiving and displaying the danger warning notification information (S500).

Here, in step (c) (S300), the traffic accident prevention server 200 determines whether the vehicle and the pedestrian are in a dangerous state, processing and analyzing the stored traffic situation image to select the pedestrian and vehicle as a preset object. It may be a step of detecting and determining whether vehicles and pedestrians are in a dangerous state in the intersection based on the sensed pedestrian and vehicle detection information and the traffic information.

As such, the traffic accident prevention service method according to an embodiment of the present invention captures a traffic situation image in real time, and sets the captured image information, vehicle location information, driving information, driving speed, pedestrian information, traffic light information, etc. in advance. By providing a service that determines whether or not there is a risk of a traffic accident through whether or not it is within the safe range, and transmits and displays a danger warning notification to the user terminal 300 of the target vehicle that has determined that there is a possibility of danger connected to the traffic accident prevention server. , It provides a method to efficiently prevent traffic accidents that may occur in the intersection area, induce traffic flow safely and smoothly, and induce safe driving of vehicles.

Hereinafter, an example of a traffic accident prevention system and service method according to an embodiment of the present invention will be described in detail with reference to schematic diagrams illustrated in FIGS. 4 to 7 .

4 is a schematic diagram showing an example of a danger warning notification when there is a pedestrian in a crosswalk of an intersection as an example of applying a traffic accident prevention system and service method according to an embodiment of the present invention.

As shown in FIG. 4, ① the CCTV or radar-based photographing device of the traffic situation image capture unit 100 takes pictures in real time and ② collects the image information into the traffic information DB 210 of the traffic accident prevention server 200 When the image detector 220 of the traffic accident prevention server 200 determines that a pedestrian is located in the crosswalk zone (Zone P) at the intersection, it is determined to be in a dangerous state, ③ Traffic accident risk warning notification information such as “Caution for pedestrians on the crosswalk” may be displayed on the user terminal 300 of the vehicle. Here, each CCTV or radar-based recording device separates the location information of the recording device located in the intersection and the information of the object (crosswalk, traffic light, controller, lane, etc.) It can be stored in DB (210).

Therefore, the traffic accident prevention server 200 can detect vehicles and pedestrians as moving objects through image data collected and stored in real time by a CCTV or radar-based photographing device, and the locations of the detected vehicles and pedestrians within the intersection. and motion information, it is possible to accurately grasp the risk of traffic accidents.

As described above, in the traffic accident prevention system and service method according to an embodiment of the present invention, the determination of the traffic accident risk state is a traffic situation image captured by a CCTV or radar-based recording device in the traffic accident prevention server 200, Traffic light information received from the controller and vehicle driving information such as the location, driving direction and driving speed of the vehicle received from the registered user terminal 300 located in the vehicle are received, and the pedestrian is walking across the crosswalk. In the case of being in a location, danger warning signal notification information such as text, warning sound, and warning vibration may be transmitted and displayed to the user terminal 300 of a vehicle in a location that may cause danger.

5 is a schematic diagram showing an example of danger warning notification by dividing a danger zone at an intersection as an example of applying a traffic accident prevention system and service method according to an embodiment of the present invention.

As shown in FIG. 5, the intersection has four crosswalks and a central intersection area, and a traffic light for controlling vehicle driving located at each crosswalk and a crosswalk for controlling pedestrian walking in the crosswalk Traffic lights are installed to control traffic conditions.

In particular, intersection zones are often called dangerous zones where vehicles are always driving, as traffic lights and crosswalk lights are frequently changed, and traffic lights are controlled in the form of one side controlling driving and the other allowing driving. can see. Therefore, in the embodiment of the present invention, a part of the crossing area is set as a dangerous area (area B) according to traffic lights, and the remaining area is set as a dangerous reserve area, so that the user of the vehicle immediately before entering the dangerous area (area B) A warning message, warning sound, or warning vibration may be displayed by transmitting traffic accident risk warning alarm information to the terminal 300 .

That is, the detection range of the CCTV or radar-based photographing device for detecting vehicles or pedestrians in the intersection area (central part) of the intersection in the traffic image capture unit 100 is set to 1/4 of the front part of the driving vehicle's traveling direction according to the traffic lights. Set the danger zone (zone B) and set the rest as the danger reserve zone (zone A). and the rest of the zone can be set as a dangerous reserve zone (zone B).

In addition, the traffic accident prevention server 200 detects and detects vehicles in the intersection area in the center of the intersection at the time when the signal for each vehicle driving direction (left turn / straight left turn or simultaneous signal / straight signal) starts, CCTV or radar-based shooting By operating the device, it is possible to detect vehicles and pedestrians in the corresponding zone A, receive the detected data and the traffic signal information of the corresponding intersection from the traffic signal controller, and determine whether or not a traffic accident risk condition exists.

In this way, the intersection zone is set as a danger zone (Area B) and a danger reserve zone (Area A) in advance according to the information of traffic lights and crosswalk signals, and vehicles located around or entering each zone are allowed to pass through. By transmitting and displaying the danger warning alarm information according to the judgment of the risk of an accident, it is possible to provide the traffic accident prevention service accurately, quickly and efficiently by providing the danger warning alarm information according to the judgment of the risk.

In addition, as shown in FIG. 5, even if a pedestrian waiting for a crosswalk is provided with a signal that allows the pedestrian to cross, if a pedestrian danger preliminary determination zone (Zone C) is designated and the vehicle is stopped in Zone C, it is dangerous to pedestrians. A signal is not announced, and when the vehicle is not stopped in the C area and the vehicle enters the C area, a warning alarm and a danger signal can be transmitted through the speaker.

In addition, even if a pedestrian waiting at the crosswalk in the right turn area is provided with a signal allowing the pedestrian to cross, if a pedestrian danger preliminary judgment zone (Zone D) is designated and the vehicle is stopped in Zone D, the danger signal is not notified to the pedestrian and the pedestrian is not notified of the danger signal. When the vehicle does not stop and enters the D area, a warning alarm and a danger signal can be transmitted through the speaker.

6 is a schematic diagram showing an example of a danger zone and danger warning notification at an intersection having six crosswalks including a diagonal crosswalk as an example of applying the traffic accident prevention system and service method according to an embodiment of the present invention.

As shown in FIG. 6, in the case of an intersection having four crosswalks crossing the road in each traveling direction and two crosswalks crossing the diagonal while sharing the intersection area, the danger zone illustrated in FIG. 5 ( B) and Danger Reserve Zone (A), but at the same time, when the pedestrian traffic light and crosswalk signal light are turned on, the intersection area including all crosswalks is set as the entire danger zone (Zone P), Traffic accident risk warning alarm information may be provided and displayed to the user terminal 300 of a vehicle intending to enter the intersection area.

As shown in FIGS. 4 to 6, the traffic accident prevention server 200 provides traffic signal information including real-time traffic signal and waiting time information for each direction of an intersection, crosswalk traffic light information, and CCTV or radar-based shooting. The function of collecting, storing, and managing danger zone information according to pedestrian and vehicle detection information, vehicle location, driving direction information, and preset traffic light and crosswalk signal information captured and collected in real time through the device In addition to providing information, it is possible to comprehensively judge such information and perform a function of determining whether or not a traffic accident condition exists.

In addition, the traffic accident prevention server 200 starts the signal for each vehicle direction (left turn/straight left turn signal/straight signal) based on traffic signal information including real-time traffic signal and waiting time information for each direction of the intersection. CCTV or radar-based filming device that detects vehicles located in the intersection area within the intersection is transmitted and operated, and pedestrian detection CCTV for each crosswalk of the intersection or radar-based filming device, integrated crosswalk pedestrian detection CCTV Alternatively, the image captured by the radar-based filming device and the central road vehicle detection CCTV in the intersection or the radar-based filming device is received in real time to detect vehicles and pedestrians, and when it is determined that the traffic accident is at risk, the user terminal of the corresponding vehicle ( 300), danger warning alarm information may be transmitted and output.

In addition, the user terminal 300 located in the vehicle can be equipped with a navigation function that accurately grasps driving information such as the location of the vehicle, driving direction, and driving speed through a GPS device, and provides information about intersections and crosswalks according to the direction in which the vehicle is traveling. Based on the presence or absence of pedestrians on the crosswalk received from the traffic accident prevention server (200) from about 20M before the location or the presence or absence of a vehicle illegally entering the intersection within the intersection, the presence or absence of a traffic accident risk condition is determined and installed on the vehicle. Warning alarm information, such as a warning message, a warning sound, or a warning vibration, may be displayed on a display through the danger warning alarm information to the user terminal 300 capable of navigation.

However, if it is determined that the vehicle in the danger area is stopped, the danger warning alarm information may not be displayed, but it is also possible to transmit and display a warning message to prepare for a preliminary danger. Such determination may be performed by setting a range of the traffic accident risk determination previously set in the traffic accident prevention server 200, and the range may be changed as necessary.

The method according to the embodiment may be implemented in the form of program instructions that can be executed through various computer means and recorded on a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program commands recorded on the medium may be specially designed and configured for the embodiment or may be known and usable to those skilled in computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks and magnetic tapes, optical media such as CD-ROMs and DVDs, and magnetic media such as floptical disks. - includes hardware devices specially configured to store and execute program instructions, such as magneto-optical media, and ROM, RAM, flash memory, and the like. Examples of program instructions include high-level language codes that can be executed by a computer using an interpreter, as well as machine language codes such as those produced by a compiler. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

As described above, although the embodiments have been described with limited drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques may be performed in an order different from the method described, and/or components of the described system, structure, device, circuit, etc. may be combined or combined in a different form than the method described, or other components may be used. Or even if it is replaced or substituted by equivalents, appropriate results can be achieved.

Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

100: Traffic shooting department
200: traffic accident prevention server
210: traffic information DB
220: image sensor
230: risk prediction unit
240: warning notification unit
300: user terminal

Claims (7)

A CCTV or radar-based traffic image capture unit for capturing a traffic image including a vehicle in motion and a pedestrian obstacle;
a traffic accident prevention server that collects driving information including the location of the vehicle, traffic information including traffic situation information and navigation information, and collects images captured by the traffic image capturing unit in real time; and
Including a user terminal located in a user vehicle that displays traffic information including the vehicle driving information, traffic situation information, and navigation information from the traffic accident prevention server,
The traffic accident prevention server analyzes and determines the traffic information and the captured image within the intersection, and transmits and displays danger warning information to the user terminal when the pedestrian is determined to be in a dangerous state. prevention system. According to claim 1,
Traffic filming department,
The traffic accident prevention system comprising at least one of the CCTV or radar-based filming device for detecting the vehicle and the CCTV or radar-based filming device for detecting the pedestrian. According to claim 1,
The traffic accident prevention server,
a traffic information DB storing the collected traffic information and the traffic condition image;
an image detection unit processing and analyzing the traffic situation image stored in the traffic information DB to detect a preset object;
a risk prediction unit determining whether a pedestrian is in a dangerous state in the intersection based on the object information detected from the traffic information DB and the traffic information; and
The traffic accident prevention system comprising a warning notification unit for generating and transmitting danger warning information to a user terminal that may cause danger by determining that the risk prediction unit is in a dangerous state. According to claim 3,
The image sensor,
The traffic situation images collected and stored in the traffic information DB are pre-processed as binary data, and pre-processed data are detected using machine learning or deep learning technology to detect objects including preset vehicles and pedestrians, and mark the detected objects. A traffic accident prevention system characterized by tracking by. According to claim 1,
(a) capturing, by the traffic image capturing unit, a traffic situation image including vehicles, pedestrians, and obstacles running in an area at an intersection in real time;
(b) The traffic accident prevention server receives and stores the traffic situation image captured by the traffic image capture unit, collects and stores driving information including the location of the vehicle, traffic information including traffic situation information and navigation information step;
(c) determining, by the traffic accident prevention server, whether vehicles and pedestrians are in a dangerous state in the intersection based on the stored traffic image and traffic information;
(d) transmitting danger warning notification information to the user terminal when the traffic accident prevention server determines that the vehicle and the pedestrian are in a dangerous state; and
(e) a traffic accident prevention service method comprising the step of receiving and displaying the danger warning notification information by a user terminal. According to claim 5,
In step (c),
(c1) detecting a pedestrian and a vehicle as a preset object by processing and analyzing the stored traffic situation image by the traffic accident prevention server; and
(c2) determining whether vehicles and pedestrians are in a dangerous state in the intersection based on the detected pedestrian and vehicle detection information and the traffic information. A computer program stored in a computer readable medium installed in a computing terminal or server to enable computing or cloud computing to execute the traffic accident prevention service method of claim 5.