KR20140052132A - Method and apparatus for electronic scoring road-driving test by using image information - Google Patents

Abstract

The present invention relates to a method and an apparatus for electronically scoring a road-driving test by using image information. The disclosed apparatus for electronically scoring the road-driving test includes an image information receiving unit for receiving image information including a road surface image or signal of a road on which a vehicle subject to the road-driving test is driven; a rating criteria storage unit for storing information of a rating criteria for the road-driving test; an automatic scoring unit for receiving information of at least one scoring item among scoring items and defining scoring information required to score scoring items received according to the information of the scoring criteria; and an image information extracting unit for extracting required image information related to the required scoring information from an image including the road surface image or signal. The automatic scoring unit performs the scoring of the road-driving test by using the required image information to provide information of a scoring result. Therefore, among scoring items of the road-driving test, items to be manually scored are reduced, and items to be automatically scored are increased so that the subject determination factor of an examiner is reduced. Accordingly, the whole reliability of the apparatus for the electronically scoring road-driving test can be improved.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic scoring apparatus,

More particularly, the present invention relates to a road running test electronic scoring apparatus and method for analyzing image information acquired during road driving test, which is one type of driving license test, and automatically scoring .

As we all know, there are written test, intestinal function test, and road driving test in the driver's license test. When the candidate gets more than the specified score by taking the test in the order of writing test, intestinal functional test, road driving test Obtain a driver's license.

In the embodiment of the road driving test, the examiner accompanies the examiner to the test vehicle, and the examiner confirms the driving state of the candidate and the driving state of the vehicle during driving, I will grade it. Then, the results scored by the examiner are input to a separate computer, which determines whether or not the candidate is accepted by the computer.

As a result of this effort, efforts to improve the reliability of the scoring results have been continuing due to the large number of subjective judgment factors of examiners. As part of these efforts, the road driving test electronic scoring system which enables the electronic scoring method to be applied to the road driving test Is being developed.

The road running test electronic grading system includes an electronic grading portable terminal device that electronically documents an existing road driving test grading paper, displays an electronic document road running test grading screen, and receives grading information by a test examiner.

Such a portable terminal device for electronic scoring uses a driving guidance function for guiding the driving route of the road driving test to voice or video using an electronic map and scoring information of the manual scoring item among the scoring items of the road driving test, The item performs a scoring function that automatically calculates based on the vehicle status information.

On the other hand, such road driving test electronic scoring system should minimize the subjective judgment factor of the test tube in order to improve the reliability of the scoring result. That is, if the manual score item is minimized among the score items of the road driving test, the reliability of the scoring result is improved.

Published Japanese Patent Application No. 2003-0069427, published on Aug. 27, 2003.

According to the embodiment of the present invention, the image information acquired during the road driving test, which is one type of driver's license test, is analyzed and the road running test electronic scoring device And methods.

A road running test electronic grading device using image information as a first aspect of the present invention includes an image information receiving unit for receiving image information including a road surface image or a traffic light image of a road on which a vehicle of a road running test runs, And a control unit for receiving information on at least one of the plurality of the score items of the road driving test and storing the received score item according to the score information, And an image information extracting unit for extracting necessary image information related to the required score information from the road surface image or the traffic light image, wherein the automatic scoring unit comprises: The information is used to score the above road driving test, It can provide.

Here, the image information extracting unit may extract lane information from the road surface image or extract traffic light color information from the traffic light image. The scoring reference information may define a plurality of the necessary scoring information corresponding one-to-one with the plurality of scoring items. The score item information may be selected by an input of a test tube and received from a portable terminal device for road driving test electronic grading.

As a second aspect of the present invention, an electronic scoring method by a road running test electronic scoring device using video information includes the steps of: receiving image information including road surface images or traffic light images of a road on which a vehicle runs, The method comprising the steps of: receiving information on at least one of the plurality of grading items of the road driving test; and defining necessary grading information necessary for grading the received grading item according to predetermined grading criterion information Extracting necessary image information related to the defined necessary scoring information from the image information, and scoring the road driving test using the extracted necessary image information to provide scoring result information, .

The step of extracting the necessary image information from the image information may extract lane information from the road surface image or extract signal color information from the traffic light image. The scoring reference information may define a plurality of the necessary scoring information corresponding one-to-one with the plurality of scoring items. The score item information may be selected by an input of a test tube and received from a portable terminal device for road driving test electronic grading.

According to the embodiment of the present invention, the image information acquired during the road driving test, which is one type of the driver's license test, is analyzed, and it is possible to automatically score whether the road surface instruction signal or the traffic light instruction signal is violated.

Therefore, the reliability of the scoring results of the road driving test electronic scoring system is improved because the manual scoring items are reduced and the number of automatic scoring items is reduced among the scoring items of the road driving test, thereby reducing the subjective judgment factor of the examiner.

1 is a configuration diagram of a road running test electronic scoring system capable of employing a road running test electronic scoring device using image information according to an embodiment of the present invention.
2 is a block diagram of a road running test electronic scoring apparatus using image information according to an embodiment of the present invention.
3 is a flowchart illustrating an electronic scoring method by a road driving test electronic scoring device using image information according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. The following terms are defined in consideration of the functions in the embodiments of the present invention, which may vary depending on the intention of the user, the intention or the custom of the operator. Therefore, the definition should be based on the contents throughout this specification.

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

1 is a configuration diagram of a road running test electronic scoring system capable of employing a road running test electronic scoring device using image information according to an embodiment of the present invention.

The road running test electronic grading system 100 includes an in-vehicle apparatus 110, an electronic grading portable terminal apparatus 120, a test data managing apparatus 130, a school management apparatus 140, and the like .

The on-vehicle device 110 is mounted on a vehicle for driving test on a driving license road and includes an electronic control unit (ECU), a transmission control unit (TCU), an anti-lock brake system (ABS) And wirelessly transmits the vehicle status information generated by monitoring the status of the vehicle to the electronic grading portable terminal device 120. [

In addition, the in-vehicle apparatus 110 may acquire image information including a road surface image or a traffic light image of a road on which a vehicle for driving a road test runs, and transmit the image information to the electronic grading portable terminal apparatus 120, To the road running test electronic grading device (reference numeral 200 in Fig. 2). Here, the road surface image of the road can be used for automatically scoring whether or not the signal for the road surface instruction signal is violated, and the traffic signal image of the road can be used for automatically scoring whether or not the signal for the traffic light indication signal is violated.

The electronic grading portable terminal apparatus 120 displays the road running test scoring screen in which the road running test scoring paper is digitally documented and receives the scoring information of the manual scoring item from the road running test scoring item through the road running test scoring screen , The automatic grading item among the road driving test grading items performs a grading function for automatically calculating based on the vehicle state information received from the in-vehicle apparatus 110.

In addition, the electronic grading portable terminal device 120 performs a driving guidance function of guiding the driving route of the road driving test to voice or video using the electronic map. For example, such a driving guidance function may be provided in connection with the multimedia device installed in the on-vehicle device 110 or on the road driving test vehicle.

The scoring function and the driving guidance function by the electronic grading portable terminal device 120 are provided by an application program which can be driven by a mobile operating system installed in the electronic grading portable terminal device 120. [ For example, the application program for the scoring function and the travel guidance function may be installed in advance in the electronic grading portable terminal device 120, downloaded from a separate device, It may be installed after downloading.

The electronic grading portable terminal device 120 may include a road running test electronic grading device 200 (refer to 200 in FIG. 2) using image information according to an embodiment of the present invention, Interworking is possible.

For example, the electronic grading portable terminal device 120 can be implemented as a tablet computer, a notebook computer, a smart phone, a personal digital assistant (PDA), and various terminal devices capable of communicating with each other.

The test data management device 130 receives the scoring information including both the manual scoring item and the automatic scoring item among the scoring items of the road running test from the electronic scoring portable terminal device 120 through the communication network 10 and outputs the scoring result Management. In addition, the test data management device 130 has a function of linking with a legacy test management system, a running road management function, a monitoring function for a road driving test vehicle, a test result inquiry function, a road running test execution report generation function Can be provided.

The bachelor degree management device 140 can provide a function of managing candidate information of the road driving test and a function of managing the schedule of the road running test.

2 is a block diagram of a road running test electronic scoring apparatus using image information according to an embodiment of the present invention.

As shown, the road running test electronic grading apparatus 200 according to the embodiment includes an image information receiving unit 210, an image information extracting unit 220, an automatic scoring unit 230, a scoring reference storage unit 240, and the like do.

The image information receiving unit 210 receives image information including a road surface image or a traffic light image of a road on which a vehicle of the road driving test is operated. For example, the image information receiving unit 210 can receive image information including a road surface image of a road or a traffic light image from a vehicle-mounted device (reference numeral 110 in FIG. 1). Here, the road surface image of the road can be used for automatically scoring whether or not the signal for the road surface instruction signal is violated, and the traffic signal image of the road can be used for automatically scoring whether or not the signal for the traffic light indication signal is violated.

The image information extracting unit 220 extracts the necessary image information related to the necessary scoring information for use in the electronic scoring of the road driving test from the road surface image or the traffic light image of the image information received by the image information receiving unit 210, (230). For example, the image information extracting unit 220 may extract lane information from the road surface image or extract traffic light color information from the traffic light image in response to an instruction from the automatic scoring unit 230.

The scoring reference storage unit 240 stores the scoring reference information of the road running test. For example, the scoring criterion information defines a plurality of scoring information corresponding to a plurality of scoring items obtained by the automatic scoring unit 230 on a one-to-one basis.

The automatic grading unit 230 receives information on at least one of the plurality of grading items in the road driving test and defines necessary grading information necessary for grading the received grading items according to the grading standard information And performs grading of the road driving test using the extracted necessary image information to provide grading result information. For example, the automatic grading unit 230 may receive the grading item information from the electronic grading portable terminal device 120, and may provide the grading result information to the electronic grading portable terminal apparatus 120.

3 is a flowchart illustrating an electronic scoring method by a road driving test electronic scoring device using image information according to an embodiment of the present invention.

As shown in the figure, the electronic scoring method by the road running test electronic scoring device includes a step (S301) of receiving image information including a road surface image or a traffic light image of a road on which a vehicle is driven in the road running test, (S303) of receiving information on at least one of the plurality of gradation items among the plurality of gradation items; and defining necessary gradation information necessary for grading the received gradation items by loading predetermined gradation criterion information (S305 and S307), extracting necessary video information related to the defined required scoring information from the video information (S309 and S311), scoring the road running test using the extracted necessary video information, (S313 and S315).

Hereinafter, an electronic scoring method by the road running test electronic scoring apparatus using image information according to an embodiment of the present invention will be described in detail with reference to FIG. 1 to FIG.

First, in the scoring reference storage unit 240, the scoring reference information of the road running test is stored. For example, the necessary scoring information to be extracted from the road surface image by the image information extracting unit 220 is defined by the scoring reference information so as to correspond to a plurality of scoring item information obtained by the automatic scoring unit 230 on a one-to-one basis. For example, when the scoring item according to the scoring item information is a road surface instruction signal violation or not, the necessary scoring information of the scoring criteria storage unit 240 stores the lane information, and if the scoring item according to the scoring item information violates the traffic light instruction signal The necessary scoring information of the scoring reference storage unit 240 stores the signal color information.

When the road running test is performed in this situation, the in-vehicle apparatus 110 acquires image information including a road surface image or a traffic light image of a road on which a road driving test vehicle is running, The image information receiving unit 210 of the road running test electronic grading device 200, which is interlocked with the road surface driving test electronic grading device 200, includes the road surface image or the traffic light image (S301).

In addition, the automatic grading unit 230 receives the grading item information of the road running test from the electronic grading portable terminal apparatus 120. [ For example, the electronic grading portable terminal apparatus 120 may provide the grading item information corresponding to the traffic light instruction signal violation to the automatic grading unit 230 before the road driving test vehicle passes the intersection, In the case of the stop state, it is possible to provide the scoring item information corresponding to whether the road surface instruction signal (stop line) is violated to the automatic scoring unit 230. Or may be selected by the input of the test tube and received from the portable terminal device for road driving test electronic grading 120 (S303).

Then, the automatic grading unit 230 loads the grading reference information previously stored in the grading reference storage unit 240 into the memory (S305), compares the grading item information of the road driving test with the grading standard information, Identify the necessary scoring information for use in scoring. For example, when the scored item information is a violation of the traffic light indication signal, the traffic light color information is identified as necessary scoring information, and when the scored item information is a violation of the road surface indication signal, the scored information is identified as necessary scoring information (S307).

The automatic grading unit 230 instructs the image information extracting unit 220 to extract the necessary image information related to the necessary gradation information found in step S307 and the image information extracting unit 220 extracts image information (S309), extracts the necessary image information for use in electronic scoring of the road driving test, and provides the extracted image information to the automatic scoring unit (230). For example, the image information extracting unit 220 may extract lane information from the road surface image or extract traffic light color information from the traffic light image in response to an instruction from the automatic scoring unit 230.

Here, the image information extracting unit 220 may use an image analysis technique optimized according to the necessary scoring information and necessary image information. For example, when extracting the lane information, it is possible to find the horizontal line (or vertical line) among the various geometric features after extracting the outline of the various shapes existing in the image by grasping the abrupt change positions of the light and dark. Alternatively, when color information of the traffic light is to be extracted, only the color information used in the traffic light can be extracted using the color filter (S311).

Next, the necessary image information extracted by the image information extracting unit 220 is transmitted to the automatic grading unit 230, and the automatic grading unit 230 receives the necessary image information extracted by the image information extracting unit 220 The scoring of the road test is carried out accordingly. For example, the automatic grading unit 230 determines whether the road driving test vehicle has violated the road surface instruction signal in accordance with the coordinate information in the image of the horizontal line, which is the extracted lane information, performs scoring according to the determination result, It is determined whether the vehicle for road driving test violates the traffic light indication signal according to the color information and scoring according to the discrimination result is performed (S313).

The scoring result information according to the scoring result is provided to the electronic grading portable terminal device 120 by the automatic scoring unit 230 (S315).

Each block of the block diagrams attached hereto and combinations of steps of the flowchart diagrams may be performed by computer program instructions. These computer program instructions may be loaded into a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus so that the instructions, which may be executed by a processor of a computer or other programmable data processing apparatus, And means for performing the functions described in each step are created. These computer program instructions may also be stored in a computer usable or computer readable memory capable of directing a computer or other programmable data processing apparatus to implement the functionality in a particular manner so that the computer usable or computer readable memory It is also possible for the instructions stored in the block diagram to produce a manufacturing item containing instruction means for performing the functions described in each block or flowchart of the block diagram. Computer program instructions may also be stored on a computer or other programmable data processing equipment so that a series of operating steps may be performed on a computer or other programmable data processing equipment to create a computer- It is also possible that the instructions that perform the processing equipment provide the steps for executing the functions described in each block of the block diagram and at each step of the flowchart.

Also, each block or each step may represent a module, segment, or portion of code that includes one or more executable instructions for executing the specified logical function (s). It should also be noted that in some alternative embodiments, the functions mentioned in the blocks or steps may occur out of order. For example, two blocks or steps shown in succession may in fact be performed substantially concurrently, or the blocks or steps may sometimes be performed in reverse order according to the corresponding function.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

According to the embodiment of the present invention, the image information acquired during the road driving test, which is one type of the driver's license test, is analyzed, and it is possible to automatically score whether the road surface instruction signal or the traffic light instruction signal is violated.

Therefore, the present invention can be applied to a road running test electronic scoring system including an electronic document portable road test score display screen and an electronic scoring portable terminal device that receives scoring information by a test examiner.

200: road running test electronic scoring device 210: image information receiving unit
220: Scoring information extracting unit 230: Automatic scoring unit
240: Scoring reference storage unit

Claims (8)

An image information receiving unit for receiving image information including a road surface image or a traffic light image of a road on which a vehicle of the road driving test is operated;
A scoring reference storage unit for storing scoring reference information of the road running test;
An automatic scoring unit for receiving information on at least one scoring item among a plurality of scoring items of the road driving test and defining the necessary scoring information necessary for scoring the scoring items received according to the scoring reference information, Wow,
And an image information extracting unit for extracting necessary image information related to the necessary score information from the road surface image or the traffic light image,
And the automatic grading unit performs grading of the road running test using the necessary image information to provide grading result information. The method according to claim 1,
Wherein the image information extracting unit extracts lane information from the road surface image or extracts traffic light color information from the traffic light image. The method according to claim 1,
And the scoring reference information is image information defining a plurality of the necessary scoring information corresponding one-to-one with the plurality of scoring items. The method according to claim 1,
Wherein the score item information is selected by an input of a test tube and received from a portable terminal device for road running test electronic grading. Receiving image information including a road surface image or a traffic light image of a road on which a vehicle of the road driving test is run;
Comprising: receiving information on at least one of the plurality of score items of the road driving test;
Defining necessary scoring information necessary for scoring the received scoring item according to predetermined scoring criterion information,
Extracting necessary video information related to the defined necessary scoring information from the video information,
And performing grading of the road driving test using the extracted necessary image information to provide grading result information. 6. The method of claim 5,
Wherein the step of extracting the necessary image information from the image information includes extracting lane information from the road surface image or extracting traffic light color information from the traffic light image. 6. The method of claim 5,
And the scoring reference information is image information defining a plurality of the necessary scoring information corresponding one-to-one with the plurality of scoring items. 6. The method of claim 5,
Wherein the score item information is selected by an input of a test tube and is received from a portable terminal device for road driving test electronic grading.

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