CN209087137U - Traffic information collection and analysis system based on automobile data recorder - Google Patents
Traffic information collection and analysis system based on automobile data recorder Download PDFInfo
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- CN209087137U CN209087137U CN201821984093.6U CN201821984093U CN209087137U CN 209087137 U CN209087137 U CN 209087137U CN 201821984093 U CN201821984093 U CN 201821984093U CN 209087137 U CN209087137 U CN 209087137U
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Abstract
The utility model discloses in the traffic information collection and analysis system of automobile data recorder, including several automobile data recorders, each automobile data recorder includes front end data extraction module and mobile communication module；Front end data extraction module is separately connected with memory module and CPU module, and video data is obtained from memory module and CPU module, and picture structure data are formed after then nationality is handled video data by data mining algorithm；Mobile communication module is by picture structure data transmission to backstage image analysis module；Backstage image analysis module carries out the secondary identification of image to picture structure data and structural data pre-processes, and processing structure classification is sent to corresponding mechanism later and carries out advanced treating.The video image resource that the utility model efficiently utilizes automobile data recorder to acquire realizes traffic density analysis, road conditions information gathering, municipal construction positioning, the positioning, identification, monitoring to traffic infrastructure is realized by the traffic information of shooting.
Description
Technical field
The utility model relates to traffic data collection and analysis technical fields, in particular to based on the traffic of automobile data recorder
Information collection and analysis system.
Background technique
Existing automobile data recorder function can say it is that automobile uses black box, interior display control master with respect to generalization
Machine obtains video information from photographic device, and is shown and stored after carrying out image procossing to video information.
But the video of storage is served only for being self right or self-driving that traffic accident provides that evidence ensures driver with this
Trip is for recording fine moment.When storing video committed memory greater than a threshold value, automobile data recorder is just according to deletion strategy
Video is deleted at times, so being pair to a certain extent without the comprehensive potential value for excavating storage video
The waste of data resource.
Therefore, it is necessary to improve to existing automobile data recorder, expand the use scope of automobile data recorder, overcomes existing
The defect of technology.
Utility model content
In view of the above drawbacks of the prior art, the utility model provide traffic information collection based on automobile data recorder and
Analysis system, the first purpose of realization are can to realize traffic density efficiently using the video image resource of automobile data recorder acquisition
Analysis, road conditions information gathering, municipal construction positioning, and by the traffic information of shooting realize to the positioning of traffic infrastructure,
Identification, monitoring.
To achieve the above object, the utility model discloses based on automobile data recorder traffic information collection and analysis system
System, including several automobile data recorders, each automobile data recorder include photographing module, camera shooting receiving module, transmission of video
Module, display module, memory module and CPU module.
Wherein, each automobile data recorder further includes front end data extraction module and mobile communication module；
The front end data extraction module is separately connected with the memory module and the CPU module, from described
Video data is obtained in memory module and the CPU module, then nationality is by data mining algorithm by the video data
Picture structure data are formed after processing；
The mobile communication module is connect with the front end data extraction module, after each automobile data recorder processing
The obtained picture structure data transmission is to backstage image analysis module；
The backstage image analysis module carries out the secondary identification of image and structural data to the picture structure data
Processing structure classification is sent to corresponding mechanism later and carries out advanced treating by pretreatment.
Preferably, the advanced treating includes traffic density analysis, vehicle is analyzed in real time, vehicle historical record, data are united
Meter, pavement behavior analysis, City Engineering Design and pictures management.
Preferably, the mobile communication module is 3G, 4G or 5G communication module.
The utility model has the beneficial effects that
The application of the utility model can realize traffic density point efficiently using the video image resource of automobile data recorder acquisition
Analysis, road conditions information gathering, municipal construction positioning, and positioning, knowledge by the realization of the traffic information of shooting to traffic infrastructure
Not, it monitors, can also be based on image recognition technology, picture is recognized, thus to traffic infrastructure operating status (road
The abnormal conditions such as face well lid, road surface slight crack and pit slot, traffic sign, graticule and label) classified, defined the level, and formulate maintenance
Plan and embodiment, to mitigate the working strength of staff, improve working efficiency, save human cost and increase safety
Property etc..
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of an embodiment of the present invention.
Specific embodiment
Embodiment
As shown in Figure 1, traffic information collection and analysis system based on automobile data recorder, including several automobile data recorders,
Each automobile data recorder include photographing module, camera shooting receiving module, video transmission module, display module, memory module and in
Central processor module.
Wherein, each automobile data recorder further includes front end data extraction module and mobile communication module；
Front end data extraction module is separately connected with memory module and CPU module, from memory module and centre
Video data is obtained in reason device module, forms picture structure number after then nationality is handled video data by data mining algorithm
According to；
Mobile communication module is connect with front end data extraction module, the picture knot that will be obtained after the processing of each automobile data recorder
Structure data transmission is to backstage image analysis module；
Backstage image analysis module carries out the secondary identification of image to picture structure data and structural data pre-processes, it
Processing structure classification is sent to corresponding mechanism afterwards and carries out advanced treating.
The principles of the present invention are, additional data is embedded in the automobile data recorder based on android system and is excavated
The front end data extraction module and mobile communication module of algorithm.
Video in memory module is carried out picture extraction by data mining by front end data extraction module, and passes through movement
Communication module will treated structured data transfers such as picture and speed, positioning to backstage image analysis module.
Backstage image analysis module is based on picture depth study and is recognized to picture, to structures such as speed, positioning
Change data to be pre-processed, it can be achieved that traffic density analysis, the inquiry of vehicle real-time track, the inquiry of vehicle historical record, extraction figure
The functions such as piece management, traffic state analysis, municipal construction positioning, road condition information acquisition and data statistics, while may be used also
Damage inspection and early warning support are provided for traffic infrastructure.
In certain embodiments, advanced treating includes that traffic density is analyzed, vehicle is analyzed in real time, vehicle historical record, number
According to statistics, pavement behavior analysis, City Engineering Design and pictures management.
In certain embodiments, mobile communication module is 3G, 4G or 5G communication module.
The utility model also provides the operation method of traffic information collection and analysis system based on automobile data recorder, including
Data mining algorithm, steps are as follows:
A, the hardware information of itself and video data are divided into two classes as initial data and deposited respectively by each formation recorder
Enter facility information table and driving recording table；Wherein, facility information table include the number of automobile data recorder, to corresponding license plate number and
Equipment remarks；Vehicle record sheet includes record flowing water ID, device id, timestamp, automobile's instant velocity, Weather information, date information, longitude
Coordinate and latitude coordinate；
B, data scrubbing carries out data cleansing to initial data corresponding with video data；
C, according to the video data after cleaning, congestion in road differentiation, base are carried out to the road that each automobile data recorder passes through
In preset road section information, the congestion of every a road section is analyzed, is differentiated according to each road-section average vehicle；According to each
The instantaneous velocity of each section number of samples and vehicle in driving recording calculates average link speed；
D, Weather information merges, with according to Weather information, date information timestamp, longitude coordinate and the latitude in vehicle record sheet
Coordinate is spent, the real-time weather information of each driving position indicator is searched out from Weather information；
E, daily planning driving path is recorded and is connected, then count section name frequency, and arrange in descending order, while calculating and passing through
The mean value and standard deviation of each average link speed, analyze the distribution of average link speed；
F, impact analysis of the external cause to speed, external cause mainly includes ring region, period, weather conditions, by speed in 20 yards, 40
Code, 60 yards speed is divided into 4 grades for threshold value, by draw each ring region, the period, weather conditions speed histogram；
G, processing result of the step A into F is packed into picture structure data.
In certain embodiments, in step, when each formation recorder is by extracting (extract), interaction conversion
(transform), after loading (load), increase road information in corresponding driving recording table.
The utility model also provides the operation method of traffic information collection and analysis system based on automobile data recorder, is based on
Picture depth study and data mining technology carry out the secondary identification of image to picture structure data and structural data are located in advance
Reason carries out early warning and/or positioning to the abnormal conditions of manhole, road surface and traffic sign label, provides damage to means of transportation
Bad inspection, steps are as follows:
A, the determination of area-of-interest；In training sample, a center picture fixed aspect ratio region on the upper side is chosen
As target area；
B, feature extraction and classification are carried out using candidate regions of the caffe open source deep learning frame to area-of-interest；It adopts
Sample is trained with the convolutional neural networks model of caffe network frame；Input sample region is normalized to 48*48BGR
Image, CNN use 5 layers of convolutional layer, 3 layers of pond layer and 1 layer of full articulamentum with random parameter, and ReLu is activation primitive, most
Classification results are provided by Softmax classifier afterwards.
In certain embodiments, in stepb, first layer convolutional layer, using the 9*9 convolution kernel in 3 channels, step-length 1；Pond
Change the filter that layer uses 2*2, step-length 1；
Second layer convolutional layer, using the convolution kernel of 3 channel 3*3, step-length 1；Pond layer uses 2*2 filter, and step-length is
1；
Third layer convolutional layer, without pond feature selecting, using the 4*4 convolution kernel in 3 channels, step-length 1；
4th layer of convolutional layer, without pond feature selecting, using the 1*1 convolution kernel in 3 channels, step-length 1；
Layer 5 convolutional layer, using the 3*3 convolution kernel in 3 channels, step-length 1, pond layer uses 2*2 filter, and step-length is
1；
The full articulamentum of the last layer exports the final feature of dimension 2*2；And it is sent into Softmax classifier and obtains classification knot
Fruit.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (3)
1. traffic information collection and analysis system based on automobile data recorder, including several automobile data recorders, each driving
Recorder includes photographing module, camera shooting receiving module, video transmission module, display module, memory module and central processing unit
Module；It is characterized by:
Each automobile data recorder further includes front end data extraction module and mobile communication module；
The front end data extraction module is separately connected with the memory module and the CPU module, from the storage
Video data is obtained in module and the CPU module, then nationality is handled the video data by data mining algorithm
Picture structure data are formed afterwards；
The mobile communication module is connect with the front end data extraction module, will be obtained after each automobile data recorder processing
The picture structure data transmission to backstage image analysis module；
The backstage image analysis module carries out the secondary identification of image to the picture structure data and structural data is located in advance
Processing structure classification is sent to corresponding mechanism later and carries out advanced treating by reason.
2. the traffic information collection and analysis system according to claim 1 based on automobile data recorder, which is characterized in that institute
Stating advanced treating includes that traffic density is analyzed, vehicle is analyzed in real time, vehicle historical record, data statistics, pavement behavior analysis, city
Political affairs engineering design and pictures management.
3. the traffic information collection and analysis system according to claim 1 based on automobile data recorder, which is characterized in that institute
Stating mobile communication module is 3G, 4G or 5G communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821984093.6U CN209087137U (en) | 2018-11-29 | 2018-11-29 | Traffic information collection and analysis system based on automobile data recorder |
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| CN201821984093.6U CN209087137U (en) | 2018-11-29 | 2018-11-29 | Traffic information collection and analysis system based on automobile data recorder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410583A (en) * | 2018-11-29 | 2019-03-01 | 上海市城市建设设计研究总院（集团）有限公司 | Traffic information collection and analysis system and operation method based on automobile data recorder |
| CN112150810A (en) * | 2020-09-25 | 2020-12-29 | 云从科技集团股份有限公司 | Vehicle behavior management method, system, device and medium |
| CN114022765A (en) * | 2021-11-03 | 2022-02-08 | 应急管理部国家自然灾害防治研究院 | Intelligent monitoring and early warning method and system for landslide, collapse and rockfall by adopting image recognition |
-
2018
- 2018-11-29 CN CN201821984093.6U patent/CN209087137U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109410583A (en) * | 2018-11-29 | 2019-03-01 | 上海市城市建设设计研究总院（集团）有限公司 | Traffic information collection and analysis system and operation method based on automobile data recorder |
| CN112150810A (en) * | 2020-09-25 | 2020-12-29 | 云从科技集团股份有限公司 | Vehicle behavior management method, system, device and medium |
| CN114022765A (en) * | 2021-11-03 | 2022-02-08 | 应急管理部国家自然灾害防治研究院 | Intelligent monitoring and early warning method and system for landslide, collapse and rockfall by adopting image recognition |
| CN114022765B (en) * | 2021-11-03 | 2022-07-08 | 应急管理部国家自然灾害防治研究院 | Intelligent monitoring and early warning method and system for landslide, collapse and rockfall by adopting image recognition |
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