KR102045937B1 - Method and system for judging dangerous vehicle - Google Patents

Abstract

The present invention relates to a dangerous vehicle determination method and system. More particularly, the present invention relates to a dangerous vehicle determination method and system capable of identifying a dangerous vehicle of a neighboring vehicle while driving in real time, thereby reducing a vehicle accident rate and thereby securing safety of a vehicle driver. The present invention includes the steps of (a) after the image acquisition unit provided in the user vehicle acquires the surrounding image of the user vehicle and transmits it to a user terminal located in the user vehicle; (b) the user terminal determining a risk level for each of at least one or more other user vehicles included in the surrounding image of the user vehicle and transmitting the first determination result to a vehicle management server; (c) the vehicle management server secondly determines a risk level for each of the other user vehicles using the first determination result and the risk information of each of the other user vehicles previously stored in the vehicle management server, and then determines the second decision. Transmitting a result to the user terminal; And (d) finally determining, by the user terminal, a risk level for each of the other user vehicles using the first determination result and the second determination result.

Description

Method and system for judging dangerous vehicles

The present invention relates to a dangerous vehicle determination method and system. More particularly, the present invention relates to a dangerous vehicle determination method and system that can secure the safety of a vehicle driver by realizing the risk of surrounding vehicles in real time while driving the vehicle and further reduce the incidence of vehicle accidents.

In recent years, with the expansion of vehicle supply, in-vehicle mounting of various devices that can improve the convenience of a vehicle driver while driving a vehicle is becoming common. For example, such devices are used to display the surrounding conditions while driving a vehicle or display For example, a vehicle navigation provides a moving route for arriving at a driving destination, or a vehicle black box that records an image of a vehicle around the vehicle to accurately determine the cause of the accident.

However, among the above devices, the vehicle navigation is mostly used for the purpose of guiding the movement route, and the vehicle black box is mostly used for the purpose of analyzing the cause of the vehicle accident based on the recorded image. There was a problem that a limit occurs in ensuring the safety of the vehicle driver by preventing the occurrence of a vehicle accident.

The present invention has been made to solve the above problems and determine whether the dangerous vehicle for the surrounding vehicle while driving the vehicle in real time to display the determination result on the navigation screen or move the vehicle to avoid the dangerous vehicle according to the determination result It is an object of the present invention to provide a dangerous vehicle determination method and system capable of securing a driver's safety by providing a route and further lowering a vehicle accident occurrence rate.

In accordance with an aspect of the present invention, there is provided a method for determining a dangerous vehicle, the method including: (a) an image acquisition unit provided in a user vehicle acquires an image around the user vehicle and then transmits the image to the user terminal located in the user vehicle Making; (b) the user terminal determining a risk level for each of at least one or more other user vehicles included in the surrounding image of the user vehicle and transmitting the first determination result to a vehicle management server; (c) the vehicle management server determines the risk for each of the other user vehicles by using the first determination result and the risk information of each of the other user vehicles previously stored in the vehicle management server, and then determines the second decision. Transmitting a result to the user terminal; And (d) finally determining, by the user terminal, a risk level for each of the other user vehicles using the first determination result and the second determination result.

In addition, after the step (a) (a1) may further comprise the step of receiving the user vehicle surrounding detection information generated by the sensor provided in the user vehicle.

In addition, in the step (a1), the surrounding information of the user vehicle may be distance information of each of the user vehicle and the other user vehicle and instantaneous speed information of each of the other user vehicles.

In addition, the step (b) may include (b1) the user terminal dividing the surrounding image of the user vehicle into a plurality of predetermined areas; (b2) acquiring, by the user terminal, vehicle information and direction information of each of the other user vehicles using the surrounding image of the user vehicle; (b3) calculating, by the user terminal, the number of inclusions of the other user vehicle for each of the plurality of areas; (b4) first determining, by the user terminal, a risk of each of the other user vehicles in a predetermined order according to the inclusion count, the distance information of each of the other user vehicles, and the instantaneous speed information of each of the other user vehicles; And (b5) the user terminal transmitting the first determination result to the vehicle management server.

In addition, the step (c) is (c1) the vehicle management server matches the risk information for each of the other user vehicle, the risk of which is primarily determined by the predetermined rank and each of the other user vehicle previously stored in the vehicle management server. Making a step; (c2) secondly determining, by the vehicle management server, the risk of each of the other user vehicles in a predetermined order according to the matching result; And (c3) the vehicle management server transmitting the secondary determination result to the user terminal.

In addition, in the step (c1), the risk information may be a result of the primary determination transmitted from the user terminal to the vehicle management server at a previous time.

In the step (d), the risk level of each of the other user vehicles is determined by the user terminal according to the rank of each other user vehicle according to the first determination result and the rank of each other user vehicle according to the second determination result. May be finally determined by a predetermined rank.

Further, following the step (d), (e) the path where the user terminal locates the finally determined risk of each of the other user vehicles, vehicle information of each of the other user vehicles, distance information, and direction information in the user vehicle. Transmitting to a setting unit; (f) displaying, by the route setting unit, the risk of each of the finally determined other user vehicles on the screen of the route setting unit by using the risk, the vehicle information, the distance information, and the direction information; And (g) setting, by the route setting unit, a moving route of the user vehicle using the risk, the vehicle information, the distance information, other usage, and the direction information.

According to the present invention, it is possible to quickly determine whether a dangerous vehicle for the surrounding vehicle while driving the vehicle in real time, thereby providing the result to the vehicle driver, thereby lowering the incidence of vehicle accidents, thereby securing the safety of the vehicle driver. Has

1 is a block diagram of a dangerous vehicle determination system according to a preferred embodiment of the present invention;
2 is a flow chart of a dangerous vehicle determination method according to a preferred embodiment of the present invention, Figure 3 is a detailed flowchart of the S200 of FIG.
4 and 5 are reference diagrams for S200 of FIG. 2, and
FIG. 6 is a detailed flowchart of S300 of FIG. 2.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, preferred embodiments of the present invention will be described below, but the present invention is not limited or limited thereto, and can be practiced by those skilled in the art.

1 is a block diagram of a dangerous vehicle determination system according to a preferred embodiment of the present invention.

As illustrated in FIG. 1, the dangerous vehicle determination system 1 according to an exemplary embodiment of the present invention may include an image acquisition unit 10, a user terminal 20, a vehicle management server 30, and a route setting unit 40. It includes.

The image acquisition unit 10 acquires an image around the user vehicle located in the user vehicle C and transmits the image to the user terminal 20 located in the user vehicle C.

In this case, the image acquisition unit 10 may be a vehicle black box capable of acquiring and storing the surrounding image of the user vehicle in the form of a video. In addition, the image acquisition unit 10 may transmit the surrounding image of the user vehicle stored in the video form to the user terminal 20 in the form of a still image at a predetermined time interval.

The user terminal 20 first determines a risk level for each of at least one or more other user vehicles included in the surrounding image of the user vehicle, and transmits the first determination result to the vehicle management server 30.

In this case, the user terminal 20 is a smart phone capable of transmitting and receiving data with the image acquisition unit 10 and the path setting unit 40 in the short-range wired or wireless communication, or the data in the long-range wireless communication with the vehicle management server 30, It may be a terminal such as a smart pad or a tablet PC.

In addition, the user terminal 20 may receive user vehicle surrounding detection information using a proximity sensor or an infrared sensor (not shown) provided in the user vehicle C, and the user vehicle surrounding detection information may be transmitted to the user vehicle. (C) and distance information of each other user and instantaneous speed information of each other user. In addition, the user terminal 20 may use vehicle image (eg, license plate information for each of the other user vehicles) and direction information (for example, the user vehicle) for each of the other user vehicles using the surrounding image of the user vehicle. direction information of each of the other user vehicles based on (c)) can be obtained. Here, a detailed process of first determining a risk level for each of the other user's vehicles will be described below with reference to FIGS. 3 to 5.

The vehicle management server 30 uses the first decision result received from the user terminal 20 and the risk information of each of the other user vehicles stored in the vehicle management server 30 in advance, for each of the other user vehicles. After the second risk is determined, the second determination result is transmitted to the user terminal 20.

In this case, a detailed process of secondly determining a risk level for each of the other user vehicles will be described later with reference to FIG. 6.

In addition, the user terminal 20 may finally determine a risk level for each of the other user vehicles using the first determination result and the second determination result.

The route setting unit 40 is located inside the user vehicle C, and the final determination result from the user terminal 20, distance information of each of the user vehicle C and the other users, and direction information of each of the other user vehicles. After receiving the transmission, the risk level of each of the other user vehicles is displayed on the screen or the movement path of the user vehicle C is set according to the risk of each of the other user vehicles.

In this case, the route setting unit 40 includes a screen display unit for displaying the state information (eg, road and building information) of the area in which the user vehicle C is driving, and includes a specific condition (eg, a destination). It may be a vehicle navigation that can set the movement path of the user vehicle (C) according to the designation.

In addition, although FIG. 1 illustrates that the user terminal 20 and the path setting unit 40 are located in the user lane C, the configuration of the present invention is not limited thereto. For example, the route setting unit 40 may be included in the user terminal 20 in the form of an application.

2 is a flow chart of a dangerous vehicle determination method according to a preferred embodiment of the present invention.

As shown in FIG. 2, after the image acquisition unit 10 located in the user vehicle C obtains an image around the user vehicle C, the image acquisition unit 10 located in the user vehicle C is transferred to the user terminal 20 located in the user vehicle C. send.

In this case, after S100, a proximity sensor or an infrared sensor (not shown) located in the user vehicle C may further include acquiring sensing information around the user vehicle C and transmitting the detected information to the user terminal 20. The surrounding sensing information may be distance information of each of the user vehicle C and the other user vehicle and instantaneous speed information of each of the other user vehicles.

In S200, the user terminal 20 first determines a risk level for each of at least one or more other user vehicles included in the surrounding image of the user vehicle, and transmits the first determination result to the vehicle management server 30. In this case, in S200, the user terminal 20 may further obtain vehicle information and direction information of each of the other user vehicles from the surrounding image of the user vehicle. A detailed process of S200 will be described later with reference to FIGS. 3 to 5. do.

In operation S300, the vehicle management server 30 secondly determines a risk level for each of the other user vehicles by using the risk determination information for each of the other user vehicles previously stored in the first determination result and the vehicle management server 30. The second determination result is transmitted to the user terminal 20. At this time, the detailed process of S300 will be described later with reference to FIG.

When the user terminal 20 finally determines the risk level for each of the other user vehicles using the primary result and the secondary result in S400, the termination is performed.

3 is a detailed flowchart of S200 of FIG. 2, and FIGS. 4 and 5 are reference diagrams of S200 of FIG. 2.

As shown in FIGS. 3 and 4, in S210, the user terminal 20 moves the surrounding image of the user vehicle into a plurality of predetermined regions (①, ②, ③, ④, ⑤, ⑥, ⑦, and ⑧ of FIG. 4). Separate.

In operation S230, the user terminal 20 obtains vehicle information and direction information on each of the other user vehicles by analyzing a pattern of the surrounding image of the user vehicle.

Here, the vehicle information may be license plate information of each of the other user vehicles, and the direction information may be information on a direction in which each of the other user vehicles is located based on the user vehicle (C).

 In operation S250, the user terminal 20 calculates the number of inclusions of the other user vehicles for each of the plurality of areas. In other words, as illustrated in FIG. 5, each of the other user vehicles 20 (C1 of FIG. 5) may be configured for each area (1, 2, 3, 4, 5, 6, 7 and 8) of FIG. 5. , C2, C3).

In operation S270, the user terminal 20 determines a risk of each of the other user vehicles by using the included number of times, the distance information of each of the other user vehicles, and the instantaneous speed information of each of the other user vehicles. For example, the first decision is made up, middle, and down.

For example, if the sum of the number of times that the other user vehicle A is included in each area is 5 or more times, the user terminal 20 determines the risk of the other user vehicle A as 'up', and the other user vehicle B determines the area of each area. If the sum of the number of times included in the three or more times less than five times, the risk of the other user vehicle B is determined as 'medium', and if the total number of times that the other user vehicle C is included in each area is less than three times, the other user The risk of vehicle C can be determined as 'low'.

In addition, the user terminal 20 may further determine the risk of each of the other user vehicles by further reflecting the distance information of each of the other user vehicles and the instantaneous speed information of each of the other user vehicles in addition to the number of times included in the respective areas. have. For example, even if the total number of times that the other user vehicle B is included in each area is three or more times and less than five times (in other words, when only the number of times included in each area is considered, the risk is 'medium'). When the distance between the vehicle C and the other user vehicle B is less than a predetermined reference distance or when the approaching speed of the other user vehicle B is greater than or equal to the determined reference speed, the risk of the other user vehicle B is first determined as 'up'. Can be. In addition, even when the sum of the number of times included in each area of the other user vehicle C is less than three times (that is, when the number of times included in each area is taken into consideration, the risk is 'low'). And when the distance between the other user vehicle C is less than the predetermined reference distance or the access speed of the other user vehicle C is greater than or equal to the determined reference speed, the risk of the other user vehicle B may be primarily determined as 'medium'.

When the user terminal 20 transmits the first determination result to the vehicle management server 30 in S290, the termination is made, and S300 is performed.

FIG. 6 is a detailed flowchart of S300 of FIG. 2.

As shown in FIG. 6, the vehicle management server 30 determines the risk level of each of the other user vehicles and the vehicle having the first-determined risk level (eg, upper, middle, and lower) in the user terminal 20 in S310. Match risk information for each of the other user vehicles previously stored in the management server. In this case, the risk information may be the first determination result transmitted from the user terminal 20 to the vehicle management server 30 at a previous time.

In operation S330, the vehicle management server 30 secondly determines the risk of each of the other user vehicles in a predetermined rank (for example, upper, middle, and lower) according to the matching result.

For example, when the other user vehicle B among the other user vehicles A, B, and C does not match the risk information (in other words, when the first risk degree is another user vehicle determined first), the vehicle management server 30 When the first determination result of the other user vehicle B is 'high', the second risk of the second user vehicle B is determined as 'medium', and when the first determination result is 'medium' or 'low' The risk of another user vehicle B can be determined as 'low'.

 In addition, when the other user vehicles A, B, and C among the other user vehicles A, B, and C match the risk information (that is, the other user vehicle whose risk is determined first at a previous time), the vehicle management server 30 ) When the first determination result of the other user vehicles A and C is' high 'or' medium ', the second risk of the other user vehicles A and C is determined as' high', and the first determination result is' ', The risk of the other user vehicle A and C can be determined as' medium'.

When the vehicle management server 30 transmits the secondary determination result to the user terminal 20 in S350, S300 ends. In S400, the user terminal 20 ranks each of the other user vehicles according to the primary determination result. (Eg, upper, middle, lower) and the risk level of each of the other user vehicles according to the ranking of the other user vehicles (for example, upper, middle, and lower) according to the secondary determination result. The final determination can be made as shown in Table 1 below.

Primary decision result Second decision result Final decision result

car
Quantity
top
Hum
Degree


Prize
Prize Prize medium Prize Ha medium
medium
Prize Prize medium medium Ha Ha
Ha
Prize medium medium Ha Ha He

In addition, although not shown in the drawing, following S400, the user terminal 20 receives the final result and vehicle information of each of the other user vehicles obtained in S200, distance information of each of the user vehicle C and the other user vehicles, and Transmitting direction information of each of the other user vehicles based on the user vehicle C to the route setting unit 40, and the route setting unit 40 uses the final result, the distance information, and the direction information. Displaying the risk of each of the other user vehicles on the screen of the route setting unit 40, and the route setting unit 40 using the final result, the distance information, and the direction information. The method may further include setting a movement route of the user vehicle C according to each risk.

The above description is merely illustrative of the technical idea of the present invention, and various modifications, changes, and substitutions may be made by those skilled in the art without departing from the essential characteristics of the present invention. It will be possible. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. . The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

(1): dangerous vehicle determination system (10): image acquisition unit
20: user terminal 30: vehicle management server
40: path setting unit

Claims (8)

(a) obtaining an image acquired by the image acquisition unit provided in the user vehicle and transmitting the image to the user terminal located in the user vehicle;
(b) the user terminal determining a risk level for each of at least one or more other user vehicles included in the surrounding image of the user vehicle and transmitting the first determination result to a vehicle management server;
(c) the vehicle management server determines the risk for each of the other user vehicles by using the first determination result and the risk information of each of the other user vehicles previously stored in the vehicle management server, and then determines the second decision. Transmitting a result to the user terminal; And
and (d) determining, by the user terminal, the risk level for each of the other user vehicles using the first determination result and the second determination result. The method of claim 1,
Following step (a),
(A1) the dangerous vehicle determination method further comprises the step of receiving the user vehicle surrounding detection information generated by the sensor provided in the user vehicle. The method of claim 2,
In the step (a1),
And the user vehicle surrounding detection information is distance information of each of the user vehicle and the other user vehicle and instantaneous speed information of each of the other user vehicles. The method of claim 3,
In step (b),
(b1) the user terminal dividing the surrounding image of the user vehicle into a plurality of predetermined areas;
(b2) obtaining, by the user terminal, vehicle information and direction information of each of the other user vehicles using the surrounding image of the user vehicle;
(b3) calculating, by the user terminal, the number of inclusions of the other user vehicle for each of the plurality of areas;
(b4) first determining, by the user terminal, a risk of each of the other user vehicles in a predetermined order according to the inclusion count, the distance information of each of the other user vehicles, and the instantaneous speed information of each of the other user vehicles; And
and (b5) the user terminal transmitting the first determination result to the vehicle management server. The method of claim 4, wherein
In step (c),
(c1) matching, by the vehicle management server, risk information for each of the other user vehicles whose risk is first determined with the predetermined rank and each of the other user vehicles previously stored in the vehicle management server;
(c2) secondly determining, by the vehicle management server, the risk of each of the other user vehicles in a predetermined order according to the matching result; And
and (c3) the vehicle management server transmitting the secondary determination result to the user terminal. The method of claim 5,
In the step (c1),
And the risk information is a result of the first determination transmitted from the user terminal to the vehicle management server at a previous time. The method of claim 5,
In step (d),
The user terminal finally determines the risk of each of the other user vehicles in a predetermined order according to the rank of each other user vehicle according to the first determination result and the rank of each other user vehicle according to the second determination result. Dangerous vehicle, characterized in that the step. The method of claim 6,
Following step (d),
(e) transmitting, by the user terminal, the determined risk level of each of the other user vehicles, vehicle information of each of the other user vehicles, distance information, and direction information to a route setting unit located in the user vehicle;
(f) displaying, on the screen of the route setting unit, the route setting unit by using the risk level, the vehicle information, the distance information, and the direction information, on the screen of the route setting unit; And
and (g) the route setting unit setting the movement route of the user vehicle using the risk level, the vehicle information, the distance information, and the direction information.

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