KR20200061750A - Traffic accident information management method using blockchain - Google Patents

Abstract

Disclosed is a blockchain-based traffic accident information management method. The blockchain-based traffic accident information management method comprises the steps of: detecting the occurrence of an accident by using at least one sensor; collecting black box information of nearby vehicles; and uploading the collected information to a blockchain. Therefore, there is an effect of clearly identifying before and after situations of the accident based on information collected from different vehicles.

Description

Blockchain-based traffic accident information management method {TRAFFIC ACCIDENT INFORMATION MANAGEMENT METHOD USING BLOCKCHAIN}

The present invention relates to a method for managing traffic accident information based on a blockchain.

In recent years, black boxes have become widespread, making it easier to grasp the situation before and after the occurrence of traffic accidents and to calculate the error rate. However, there are still unconstructed incidents, and it is sometimes difficult to determine the exact situation before and after with the black box of the accident vehicle.

In fact, each year, complaints and complaints on negligence rate disputes are steadily increasing, and in the process, it is often difficult to deliberate or agree on negligence. In particular, when the evidence is not clear or small, it is a problem because many cases of negligence are claimed without acknowledging the negligence rate presented by the insurance company or the other party.

The problem to be solved by the present invention is to provide a blockchain-based traffic accident information management method.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description.

The block chain based traffic accident information management method according to an aspect of the present invention for solving the above-described problems, detecting an accident using at least one sensor, collecting and collecting black box information of surrounding vehicles And uploading the uploaded information to the blockchain.

In addition, the uploading step includes generating a block based on the collected information and adding the generated block to the blockchain, and generating the block comprises information on the accident. It may include the step of generating a block containing a.

In addition, the collecting step includes: collecting an encrypted black box image; The method includes the steps of: a browsing subject retrieving a block corresponding to the accident from the block chain, the browsing subject acquiring the encrypted image stored in the retrieved block, and the browsing subject encrypts the block Requesting key information for decrypting the encrypted image to the encryption subject, acquiring the key information from the encryption subject by the viewing subject, and decrypting the encrypted image by the viewing subject using the obtained key information It may include the steps.

Other specific matters of the present invention are included in the detailed description and drawings.

According to the disclosed embodiment, there is an effect to clearly grasp the before and after circumstances of the incident based on information collected from different vehicles. In addition, there is an advantage of preventing forgery and alteration of information by using a blockchain.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 to 5 are diagrams for explaining a method for managing traffic accident information based on a blockchain according to the disclosed embodiment.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and are common in the technical field to which the present invention pertains. It is provided to fully inform the skilled person of the scope of the present invention, and the present invention is only defined by the scope of the claims.

The terminology used herein is for describing the embodiments and is not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. As used herein, “comprises” and/or “comprising” does not exclude the presence or addition of one or more other components other than the components mentioned. The same reference numerals throughout the specification refer to the same components, and “and/or” includes each and every combination of one or more of the components mentioned. Although "first", "second", etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are only used to distinguish one component from another component. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. In addition, terms defined in the commonly used dictionary are not ideally or excessively interpreted unless explicitly defined.

The term "part" or "module" as used in the specification refers to a hardware component such as software, FPGA, or ASIC, and "part" or "module" performs certain roles. However, "part" or "module" is not meant to be limited to software or hardware. The "unit" or "module" may be configured to be in an addressable storage medium or may be configured to reproduce one or more processors. Thus, as an example, "part" or "module" means components, processes, functions, attributes, such as software components, object-oriented software components, class components and task components. Includes procedures, subroutines, segments of program code, drivers, firmware, microcode, circuitry, data, database, data structures, tables, arrays and variables. The functionality provided within components and "parts" or "modules" can be combined into a smaller number of components and "parts" or "modules" or into additional components and "parts" or "modules" Can be further separated.

The spatially relative terms “below”, “beneath”, “lower”, “above”, “upper”, etc., are as shown in the figure. It can be used to easily describe a correlation between a component and other components. Spatially relative terms should be understood as terms including different directions of components in use or operation in addition to the directions shown in the drawings. For example, if a component shown in the drawing is turned over, a component described as "below" or "beneath" of another component will be placed "above" the other component. Can be. Accordingly, the exemplary term “below” can include both the directions below and above. The component can also be oriented in other directions, so that spatially relative terms can be interpreted according to the orientation.

In the present specification, the computer means all kinds of hardware devices including at least one processor, and may be understood as a meaning encompassing software configurations operating in the corresponding hardware device according to embodiments. For example, a computer may be understood as meaning including, but not limited to, a smart phone, a tablet PC, a desktop, a laptop, and user clients and applications running on each device.

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

Each step described in this specification is described as being performed by a computer, but the subject of each step is not limited thereto, and according to an embodiment, at least some of the steps may be performed in different devices.

1 to 5 are diagrams for explaining a method for managing traffic accident information based on a blockchain according to the disclosed embodiment.

In the disclosed embodiment, "black chain" is a compound word of a black box and a blockchain, means a method, program and system for collecting and managing black box information using a blockchain, and managing traffic accident information based on this. It can be understood as.

In one embodiment, the blockchain-based traffic accident information management system may include a vehicle terminal system and a server collecting information from each vehicle terminal system. In one embodiment, the server may be a type of the above-described computer, and may include a cloud server, but is not limited thereto.

In one embodiment, the server may include a central server for managing an application installed in each user terminal or an intermediate step server for uploading the collected information to the blockchain to perform the method according to the disclosed embodiment. .

In another embodiment, the server does not include a specific central server, and each user terminal can upload information collected through the intermediate server directly or distributed to the blockchain.

The above-described embodiment is provided as an example for explanation, and the method or the path by which the collected information is uploaded to the blockchain is not limited.

In one embodiment, the vehicle terminal system is understood as a concept including at least one of a black box, a sensor, an electric vehicle system of a vehicle, and a user terminal (for example, a smartphone) provided in each vehicle driving on the road.

In an embodiment, the vehicle terminal system may notify the surroundings of an accident when an accident occurs, for example, a sensor (which may be provided in a vehicle or a user terminal, but is not limited thereto) may cause an accident by impact or voice. When detecting, the user terminal recognizes the occurrence of the accident, and the user terminal can propagate the occurrence of the accident using short-range communication or network communication to the vehicle terminal system of the surrounding vehicle.

In another embodiment, when an accident is detected in the vehicle terminal system, the accident is transmitted to the server, and the server can propagate the accident to the vehicles around the accident location and collect black box information. .

To this end, the user may run an application installed on the user terminal before starting driving, but is not limited thereto, and a process performing a related function may operate in the background of the user terminal.

In this case, the vehicle terminal system of the vehicle having the accident and the vehicle propagating the accident may upload the black box information and other collected information to the blockchain.

In one embodiment, a block is generated based on information uploaded to the blockchain, and the generated block can be added to the blockchain.

In one embodiment, blocks may be generated based on each event. For example, when there are a plurality of transactions including each of the collected information, it is possible to generate blocks by grouping related transactions based on each accident using a smart contract.

For example, each transaction may correspond to image information captured in each black box, but is not limited thereto.

In this case, since one event is assigned to one block stored in the blockchain, it is possible to quickly search for accident information.

In one embodiment, checking each uploaded image may be performed according to the approval of each uploader, which may be used to determine the accident history when an accident occurs, and to calculate the negligence rate of each accident party.

In one embodiment, a video compression technique for reducing the size of transactions and blocks may be used.

In one embodiment, each transaction may include an encrypted image, image meta information, location and time information, information provider ID and signature information.

The encrypted video information may include video information before and after the occurrence of an event, and may be sampled or compressed based on a timeline.

In addition, each transaction may include information that collects field cues around the incident.

In the event of an accident, this information is automatically collected and shared from the accident vehicle and surrounding vehicles, and is stored based on the blockchain, which can help in dispute resolution. In addition, images that may be sensitive to security are first encrypted and protected, and can be decrypted with the permission of each uploader.

In one embodiment, images captured in each vehicle are encrypted and uploaded using a symmetric key algorithm, and stored in the blockchain. Subsequently, a subject, such as the police or an insurance company, who needs to determine the accident situation, searches for and downloads the video from the blockchain, and requests permission to view the video from the subject who took the video.

The police or the insurance company may transmit the public key to the subject of video shooting, and the video shooting subject may encrypt the symmetric key used to encrypt the video with the transmitted public key and transmit it to the police or the insurance company.

The police or insurance company can decrypt the encrypted symmetric key and decrypt the encrypted image using the symmetric key.

In this way, when an accident occurs, images captured from the black box installed in each vehicle are automatically collected, and stored in the blockchain to prevent forgery and alteration as well as to facilitate exploration, thereby securing a large amount of evidence to determine the situation before and after the accident can do.

In the method according to the disclosed embodiment, in addition to a traffic accident, when it is recognized that a condition that satisfies a predetermined condition is collected, information from nearby vehicles can be collected and managed even in a place where a CCTV is not installed.

The steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, a software module executed by hardware, or a combination thereof. The software modules may include Random Access Memory (RAM), Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Flash Memory, Hard Disk, Removable Disk, CD-ROM, or It may reside on any type of computer readable recording medium well known in the art.

The components of the present invention may be implemented as a program (or application) to be executed in combination with a hardware computer, and stored in a medium. The components of the present invention can be implemented in software programming or software components, and similarly, embodiments include C, C++, including various algorithms implemented in a combination of data structures, processes, routines or other programming components. , Can be implemented in programming or scripting languages such as Java, assembler, etc. Functional aspects can be implemented with algorithms running on one or more processors.

The embodiments of the present invention have been described with reference to the accompanying drawings, but a person skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing its technical spirit or essential features. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

Claims (3)

Detecting an occurrence of an accident using at least one sensor;
Collecting black box information of surrounding vehicles; And
Uploading the collected information to the blockchain; Containing,
Blockchain-based traffic accident information management method. According to claim 1,
The uploading step,
Generating a block based on the collected information; And
Adding the generated block to the blockchain; Including,
The step of generating the block,
Generating one block including information on the accident; Containing,
Blockchain based traffic accident information management method. According to claim 1,
The collecting step,
Collecting an encrypted black box image; Including,
The above method,
A reading subject searching for a block corresponding to the accident from the blockchain;
Acquiring the encrypted image stored in the searched block by the viewing subject;
Requesting, by the viewing subject, key information for decrypting the encrypted image to the encryption subject;
The reading subject acquiring the key information from the encryption subject; And
Decrypting the encrypted image using the obtained key information by the viewing subject; Containing,
Blockchain based traffic accident information management method.

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