WO2020002520A1 - Block chain-based accident data processing method - Google Patents
Block chain-based accident data processing method Download PDFInfo
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- WO2020002520A1 WO2020002520A1 PCT/EP2019/067195 EP2019067195W WO2020002520A1 WO 2020002520 A1 WO2020002520 A1 WO 2020002520A1 EP 2019067195 W EP2019067195 W EP 2019067195W WO 2020002520 A1 WO2020002520 A1 WO 2020002520A1
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- accident
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/08—Insurance
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0116—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from roadside infrastructure, e.g. beacons
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
- G08G1/205—Indicating the location of the monitored vehicles as destination, e.g. accidents, stolen, rental
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Definitions
- the present invention relates to block chain application technology, in particular to a block chain-based accident data processing method.
- the majority of vehicles are equipped with driving recorders; when a traffic accident occurs, the driving recorder can provide a picture of the scene at the time when the traffic accident occurred, and this can be referred to by traffic police when determining responsibility for the accident.
- traffic police when dealing with the accident, the accident vehicles cannot be driven away from the scene, but must wait for the traffic police to arrive; the speed at which accidents are dealt with has not been increased effectively.
- the traffic police need to use driving recorder data as grounds forjudging responsibility, it is also necessary to ensure the authenticity of the data used to judge responsibility.
- the problem solved by the present invention is that of providing a block chain-based accident data processing method, which can speed up an accident processing process, and can ensure that data used to determine responsibility for an accident cannot be tampered with, providing accuracy in the determination of responsibility for accidents.
- a block chain-based accident data pro- cessing method comprises: complete accident data corresponding to a traffic accident being recorded in the block chain, the method comprising: a server determining all associated nodes according to an obtained accident processing request, and transmitting an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; the server subsequently re- trieving the block chain from any associated node, and obtaining therefrom accident data for judging accident responsibility.
- the solution described above has the following ad- vantages: 1 ) by establishing a block chain-based decentralized accident data pro- cessing mechanism, it is possible to effectively prevent accident data from being tampered with; 2) the accident data in the block chain can be traced and queried, and a consensus mechanism thereof can gain a vehicle owner’s recognition; 3) since there is no need for traffic police to come to the scene to collect accident data and process, the speed at which accidents are dealt with can be increased and the road traffic flow efficiency can be improved, and furthermore, the workload of traffic police can be reduced.
- Fig. 1 is a schematic diagram of the implementation of an accident data processing mechanism in an embodiment of the present invention.
- Fig. 2 is a schematic diagram of the process of dealing with an accident according to an embodiment of the present invention.
- Fig. 3 is a schematic diagram of the data structure of blocks forming a block chain in an embodiment according to the present invention.
- each node providing accident data can be configured to write accident data acquired by itself into a block chain, so as to en- sure by means of the specific data structure of the block chain that the accident data cannot be tampered with and cannot be falsified.
- the block chain uses a chain-type block structure with timestamps to store the accident data, this will enable the accident data to be traced and queried.
- an accident data processing mechanism specifically comprises: triggering the adding of block to block chain, block chain formation, and collecting accident data from the block chain.
- the block chain is formed of blocks generated by n associated nodes, and records complete accident data corresponding to a traffic accident.
- the specific value of n depends on the number of associated nodes to which an accident relates.
- a server is the executing end.
- the server itself does not control the operations of accident data acquisition and writing data into the block chain by each associated node, and does not necessarily store accident data of each associated node.
- the server de- termines all associated nodes according to an obtained accident processing request, and transmits an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; here, the instruction of adding block to block chain contains information of all associated nodes in a block chain network.
- the accident processing request generally comes from an associated node, e.g. may come from an accident vehicle, or may come from a surrounding vehicle passing through the place of the accident, or may come from a road side unit located at the place of the accident.
- each node (including subsequently determined associated nodes) is network-connected and able to provide accident data relating to the ac- cident (at least including image data of the place of the accident).
- the accident processing request may comprise an accident site and an accident occurrence time.
- the accident site may be data of GPS or another positioning system capable of locating the position of the accident site.
- each node can also provide its own real-time position, so the server can determine all associated nodes according to the accident site in the accident pro- cessing request and the real-time position provided by each node.
- each associated node After obtaining the instruction of adding block to block chain, each associated node writes accident data obtained by itself into the block chain according to node information provided in the instruction of adding block to block chain. Specifically, each associated node generates a block containing accident data obtained by itself, and will then transmit the block generated thereby to another associated node which is also in the block chain network. As shown in fig. 1 , a block 1 generated by an associated node 1 will be transmitted to an associated node 2, an associated node 3...an associated node n; a block 2 generated by as- sociated node 2 will be transmitted to associated node 1 , associated node
- the server can subsequently retrieve the block chain from any associated node, and obtain there- from accident data for judging accident responsibility.
- the mechanism for dealing with accidents in the prior art that was mentioned in the background art section easily causes jams, whereas the present invention on the contrary can provide accident data of higher credibility for the purpose of adjudica- tion, aided by the high number of surrounding vehicles at the time the accident occurs. Specifically, if the number of surrounding vehicles is high, then the number of the associated nodes is also high. In other words, the amount of data written into the block chain is also increased. This obviously makes it easier for the block chain to provide complete accident data.
- accident vehicle A transmits an accident processing request to a server; the request contains the time at which the accident occurred, and the current position of accident vehicle A (accident site).
- the server After obtaining the accident processing request, the server determines that accident vehicle A, accident vehicle B, sur- rounding vehicle C and the road side unit D are associated nodes involved in the processing of accident data of the accident, based on the current position of acci- dent vehicle A as well as the real-time position of accident vehicle B, the real-time position of surrounding vehicle C and the position of the road side unit D.
- accident vehicle A, accident vehicle B and surrounding vehicle C each gen- erate respective blocks on the basis of accident image data captured by the driving recorders thereof, the road side unit D generates a block thereof on the basis of accident image data captured by a camera thereof, and based on the process of forming a block chain described above with reference to fig. 1 , a block chain cor- responding to the accident is finally formed.
- the data structure of each block is shown in fig. 3.
- this can use a hash value generated on the basis of an accident image captured by the driving recorder thereof as a block header, and use a position thereof, a photograph/video in the image captured by the driving recorder and an upload time as data of a block body.
- Similar setting processing can also be carried out for accident vehicle B, surrounding vehicle C and the road side unit D.
- the server may choose to perform accident adjudication directly according to the complete accident data in the block chain, in order to determine the responsibility of accident vehicle A and accident vehicle B in the accident.
- the server may also choose to deliver the complete accident data to a manual workstation in an accident processing system by traffic police side for accident ad- judication, and after obtaining an accident adjudication of the manual workstation, store accident adjudication data in an accident adjudication data memory, ready for subsequent queries and appeals.
- rapid accident data processing is realized through the use of the present invention.
- a processing interface for business link-up with an insurance company may also be added in the accident processing system by traffic police side. Then, the server may transmit the accident adjudica- tion data to the insurance company via an insurance business processing interface, and the insurance company processes insurance business according to accident responsibility in the accident adjudication data.
- the two parties to the accident the owners of accident vehicle A and accident vehicle B
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Abstract
A block chain-based accident data processing method, wherein complete accident data corresponding to a traffic accident is recorded in the block chain, and the method comprises: a server determining all associated nodes according to an ob- tained accident processing request, and transmitting an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; the server subsequently re- trieving the block chain from any associated node, and obtaining therefrom accident data for judging accident responsibility. The speed at which accidents are dealt with can be increased and the road traffic flow efficiency can be improved, and fur- thermore, the workload of traffic police can be reduced.
Description
Description
Block chain-based accident data processing method Technical Field
The present invention relates to block chain application technology, in particular to a block chain-based accident data processing method.
Background art
At the present time, the majority of vehicles are equipped with driving recorders; when a traffic accident occurs, the driving recorder can provide a picture of the scene at the time when the traffic accident occurred, and this can be referred to by traffic police when determining responsibility for the accident. However, when dealing with the accident, the accident vehicles cannot be driven away from the scene, but must wait for the traffic police to arrive; the speed at which accidents are dealt with has not been increased effectively. Furthermore, if the traffic police need to use driving recorder data as grounds forjudging responsibility, it is also necessary to ensure the authenticity of the data used to judge responsibility. However, at the present time, there is still no reliable method capable of verifying this.
Content of the invention
The problem solved by the present invention is that of providing a block chain-based accident data processing method, which can speed up an accident processing process, and can ensure that data used to determine responsibility for an accident cannot be tampered with, providing accuracy in the determination of responsibility for accidents.
To solve the abovementioned problem, a block chain-based accident data pro- cessing method provided by the present invention comprises: complete accident data corresponding to a traffic accident being recorded in the block chain, the method comprising: a server determining all associated nodes according to an obtained accident processing request, and transmitting an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; the server subsequently re- trieving the block chain from any associated node, and obtaining therefrom accident
data for judging accident responsibility.
Compared with the prior art, the solution described above has the following ad- vantages: 1 ) by establishing a block chain-based decentralized accident data pro- cessing mechanism, it is possible to effectively prevent accident data from being tampered with; 2) the accident data in the block chain can be traced and queried, and a consensus mechanism thereof can gain a vehicle owner’s recognition; 3) since there is no need for traffic police to come to the scene to collect accident data and process, the speed at which accidents are dealt with can be increased and the road traffic flow efficiency can be improved, and furthermore, the workload of traffic police can be reduced.
Brief Description of the Drawings
Fig. 1 is a schematic diagram of the implementation of an accident data processing mechanism in an embodiment of the present invention.
Fig. 2 is a schematic diagram of the process of dealing with an accident according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of the data structure of blocks forming a block chain in an embodiment according to the present invention.
Detailed Description of Embodiments
In the following description, many specific details are expounded in order to give those skilled in the art a more comprehensive understanding of the present inven- tion. Flowever, it will be obvious to those skilled in the art that the implementation of the present invention may omit some of these specific details. Furthermore, it should be understood that the present invention is not limited to the specific embodiments presented. On the contrary, the use of any combination of the features and key elements below to implement the present invention may be considered, regardless of whether they relate to different embodiments. Furthermore, the aspects, features, embodiments and advantages below are merely explanatory, and should not be regarded as key elements or definitions of the claims, unless clearly stated in the claims.
Considering the function of block chain technology in Bitcoin applications, the in-
ventors of the present invention believe that the decentralized characteristic of block chains can similarly be used in the collection of accident data. In order to prevent accident data from being tampered with, each node providing accident data can be configured to write accident data acquired by itself into a block chain, so as to en- sure by means of the specific data structure of the block chain that the accident data cannot be tampered with and cannot be falsified. Furthermore, since the block chain uses a chain-type block structure with timestamps to store the accident data, this will enable the accident data to be traced and queried.
Referring to fig. 1 , based on the above concept, according to an embodiment of the present invention, an accident data processing mechanism specifically comprises: triggering the adding of block to block chain, block chain formation, and collecting accident data from the block chain. The block chain is formed of blocks generated by n associated nodes, and records complete accident data corresponding to a traffic accident. The specific value of n depends on the number of associated nodes to which an accident relates. In order to trigger the adding of block to block chain and collect accident data from the block chain, it is necessary to have an executing end to implement this operation; in an embodiment of the present invention, a server is the executing end. However, the server itself does not control the operations of accident data acquisition and writing data into the block chain by each associated node, and does not necessarily store accident data of each associated node.
With regard to the triggering of the adding of block to block chain, the server de- termines all associated nodes according to an obtained accident processing request, and transmits an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; here, the instruction of adding block to block chain contains information of all associated nodes in a block chain network. Here, the accident processing request generally comes from an associated node, e.g. may come from an accident vehicle, or may come from a surrounding vehicle passing through the place of the accident, or may come from a road side unit located at the place of the accident. Of course, a prerequisite is that each node (including subsequently determined associated nodes) is network-connected and able to provide accident data relating to the ac- cident (at least including image data of the place of the accident). The accident processing request may comprise an accident site and an accident occurrence time. The accident site may be data of GPS or another positioning system capable of locating the position of the accident site. In view of the fact that each node is net- work-connected, it can also provide its own real-time position, so the server can
determine all associated nodes according to the accident site in the accident pro- cessing request and the real-time position provided by each node.
With regard to block chain formation, after obtaining the instruction of adding block to block chain, each associated node writes accident data obtained by itself into the block chain according to node information provided in the instruction of adding block to block chain. Specifically, each associated node generates a block containing accident data obtained by itself, and will then transmit the block generated thereby to another associated node which is also in the block chain network. As shown in fig. 1 , a block 1 generated by an associated node 1 will be transmitted to an associated node 2, an associated node 3...an associated node n; a block 2 generated by as- sociated node 2 will be transmitted to associated node 1 , associated node
3...associated node n; a block 3 generated by associated node 3 will be transmitted to associated node 1 , associated node 2...associated node n. Assuming that the chronological order in which the blocks are generated is block 1 , block 2, block
3...block n, when the accident data in block 1 has been confirmed by each of the other associated nodes, block 1 officially becomes a 1 st data block in the block chain; when the accident data in block 2 has also been confirmed by each of the other associated nodes, block 2 officially becomes a 2nd data block in the block chain...and so on; all of the confirmed data blocks are combined in chronological order, finally forming the block chain corresponding to the current accident. Each associated node will also store the block chain that is formed.
With regard to collecting accident data from the block chain, since any associated node stores the block chain recording complete accident data, the server can subsequently retrieve the block chain from any associated node, and obtain there- from accident data for judging accident responsibility.
It is clear from the explanation above that in the process of forming the block chain containing complete accident data, each time a block containing accident data of an associated node is added to the block chain (block chain data updating), this is realized through confirmation by each associated node; such a method of using a distributed node consensus algorithm to update data makes it impossible for acci- dent data to tampered with, and each data update has been confirmed by each associated node, so a judgment of accident responsibility that is made on the basis of the accident data in the final block chain will more easily gain the recognition of the owners of the accident vehicles. Furthermore, it is clear that the present inven- tion is especially suited to sections of city centre roads with high traffic volumes. The
mechanism for dealing with accidents in the prior art that was mentioned in the background art section easily causes jams, whereas the present invention on the contrary can provide accident data of higher credibility for the purpose of adjudica- tion, aided by the high number of surrounding vehicles at the time the accident occurs. Specifically, if the number of surrounding vehicles is high, then the number of the associated nodes is also high. In other words, the amount of data written into the block chain is also increased. This obviously makes it easier for the block chain to provide complete accident data.
To make the present invention easier to understand, further explanation is given below by means of a practical example in which the present invention is used for accident data processing of an accident.
Referring to fig. 2, suppose that the accident is caused by a scraping collision be- tween an accident vehicle A and an accident vehicle B, a surrounding vehicle whose path passes through the place of the accident is a vehicle C, and a road monitoring device (i.e. a road side unit D) is provided beside the road at the place of the ac- cident. In addition, suppose that accident vehicle A, accident vehicle B and sur- rounding vehicle C are all equipped with a driving recorder and all net- work-connected, and the road side unit D is also network-connected. After the ac- cident occurs, accident vehicle A transmits an accident processing request to a server; the request contains the time at which the accident occurred, and the current position of accident vehicle A (accident site). After obtaining the accident processing request, the server determines that accident vehicle A, accident vehicle B, sur- rounding vehicle C and the road side unit D are associated nodes involved in the processing of accident data of the accident, based on the current position of acci- dent vehicle A as well as the real-time position of accident vehicle B, the real-time position of surrounding vehicle C and the position of the road side unit D.
Next, accident vehicle A, accident vehicle B and surrounding vehicle C each gen- erate respective blocks on the basis of accident image data captured by the driving recorders thereof, the road side unit D generates a block thereof on the basis of accident image data captured by a camera thereof, and based on the process of forming a block chain described above with reference to fig. 1 , a block chain cor- responding to the accident is finally formed. The data structure of each block is shown in fig. 3. Taking accident vehicle A as an example, this can use a hash value generated on the basis of an accident image captured by the driving recorder thereof as a block header, and use a position thereof, a photograph/video in the
image captured by the driving recorder and an upload time as data of a block body. Of course, it is also possible to use any plurality of the accident image, photograph, video and upload time to generate a hash value as the block header. Similar setting processing can also be carried out for accident vehicle B, surrounding vehicle C and the road side unit D.
Subsequently, the server may choose to perform accident adjudication directly according to the complete accident data in the block chain, in order to determine the responsibility of accident vehicle A and accident vehicle B in the accident. Of course, the server may also choose to deliver the complete accident data to a manual workstation in an accident processing system by traffic police side for accident ad- judication, and after obtaining an accident adjudication of the manual workstation, store accident adjudication data in an accident adjudication data memory, ready for subsequent queries and appeals. Thus, rapid accident data processing is realized through the use of the present invention.
In other embodiments of the present invention, a processing interface for business link-up with an insurance company may also be added in the accident processing system by traffic police side. Then, the server may transmit the accident adjudica- tion data to the insurance company via an insurance business processing interface, and the insurance company processes insurance business according to accident responsibility in the accident adjudication data. Thus, the two parties to the accident (the owners of accident vehicle A and accident vehicle B) can carry out subsequent insurance claim settlement processing without even needing to take the initiative to contact the insurance company; this can make it more convenient for the vehicle owners to deal with the accident.
Although the present invention has been disclosed above by way of preferred embodiments, the present invention is not limited thereto. Changes and amend- ments of all kinds made within the spirit and scope of the present invention by any person skilled in the art shall be included in the scope of protection of the present invention. Thus the scope of protection of the present invention shall be the scope defined by the claims.
Claims
1. A block chain-based accident data processing method, wherein complete accident data corresponding to a traffic accident is recorded in the block chain, and the method comprises: a server determining all associated nodes according to an obtained accident processing request, and transmitting an instruction of adding block to block chain to each associated node so as to trigger each associated node to write respective accident data into the block chain; the server subsequently retrieving the block chain from any associated node, and obtaining therefrom accident data forjudging accident responsi- bility.
2. The block chain-based accident data processing method as claimed in claim 1 , wherein the associated nodes comprise an accident vehicle and any one or more of the following: a surrounding vehicle passing through the place of the accident, and a road side unit located at the place of the accident.
3. The block chain-based accident data processing method as claimed in claim 1 , wherein the accident processing request comes from an associated node.
4. The block chain-based accident data processing method as claimed in claim 3, wherein the accident processing request comes from the accident vehicle.
5. The block chain-based accident data processing method as claimed in claim 1 , wherein a data block in the block chain uses a hash value generated on the basis of an accident image as a block header.
6. The block chain-based accident data processing method as claimed in claim 5, wherein the accident image is acquired by any one of the following devices: a driving recorder in an accident vehicle, a driving recorder in a surrounding vehicle passing through the place of the accident, and a camera fitted in a road side unit located at the place of the accident.
7. The block chain-based accident data processing method as claimed in claim 1 , wherein it further comprises: the server generating accident adjudication data according to the complete accident data in the block chain.
8. The block chain-based accident data processing method as claimed in claim
7, wherein it further comprises a step of using the accident adjudication data for insurance business: the server transmitting the accident adjudication data to an insurance company via an insurance business processing interface, and the insurance company processing insurance business according to accident responsibility in the accident adjudication data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705479.7A CN109067835A (en) | 2018-06-29 | 2018-06-29 | Accident data processing method based on block chain |
| CN201810705479.7 | 2018-06-29 |
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| Publication Number | Publication Date |
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| WO2020002520A1 true WO2020002520A1 (en) | 2020-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/EP2019/067195 Ceased WO2020002520A1 (en) | 2018-06-29 | 2019-06-27 | Block chain-based accident data processing method |
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| CN (1) | CN109067835A (en) |
| WO (1) | WO2020002520A1 (en) |
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| CN111600839A (en) * | 2020-04-15 | 2020-08-28 | 北京京东振世信息技术有限公司 | Traffic accident handling method, equipment and storage medium |
| US11087569B2 (en) * | 2019-03-25 | 2021-08-10 | International Business Machines Corporation | Vehicle accident data management system |
| CN114724368A (en) * | 2022-03-31 | 2022-07-08 | 海南龙超信息科技集团有限公司 | Intelligent city traffic management system |
| CN115798204A (en) * | 2022-11-10 | 2023-03-14 | 云控智行科技有限公司 | A playback video generation method, device and equipment for abnormal traffic scene events |
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| CN111369786B (en) * | 2018-12-26 | 2022-07-15 | 比亚迪股份有限公司 | Monitoring method, vehicle, server, system and device for ride-hailing |
| CN109741601B (en) * | 2018-12-29 | 2021-02-09 | 百度在线网络技术（北京）有限公司 | Congestion management method, device, equipment and storage medium based on block chain |
| CN109741226A (en) * | 2018-12-29 | 2019-05-10 | 百度在线网络技术（北京）有限公司 | Traffic accident treatment method, apparatus, server and medium based on block chain |
| CN109993847B (en) * | 2019-04-15 | 2021-07-09 | 内蒙古大学 | A blockchain-based architecture and working method for collecting traffic accident information |
| CN110136012A (en) * | 2019-05-14 | 2019-08-16 | 福建工程学院 | A kind of accident auxiliary fix duty method based on block chain technology |
| CN110610442A (en) * | 2019-09-09 | 2019-12-24 | 深圳四方精创资讯股份有限公司 | Traffic accident handling method, device and system based on block chain and storage medium |
| CN112085380B (en) * | 2020-09-07 | 2023-10-17 | 杭州叙简科技股份有限公司 | Block chain-based safety production accident case management method |
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| US20180018723A1 (en) * | 2016-07-18 | 2018-01-18 | Royal Bank Of Canada | Distributed ledger platform for vehicle records |
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| US11087569B2 (en) * | 2019-03-25 | 2021-08-10 | International Business Machines Corporation | Vehicle accident data management system |
| CN111600839A (en) * | 2020-04-15 | 2020-08-28 | 北京京东振世信息技术有限公司 | Traffic accident handling method, equipment and storage medium |
| US12307538B2 (en) | 2020-04-15 | 2025-05-20 | Beijing Jingdong Zhenshi Information Technology Co., Ltd. | Traffic accident handling method and device, and storage medium |
| CN114724368A (en) * | 2022-03-31 | 2022-07-08 | 海南龙超信息科技集团有限公司 | Intelligent city traffic management system |
| CN115798204A (en) * | 2022-11-10 | 2023-03-14 | 云控智行科技有限公司 | A playback video generation method, device and equipment for abnormal traffic scene events |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109067835A (en) | 2018-12-21 |
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