CN107657822A - Highway moisture film early warning system and method for traffic video automatic identification - Google Patents
Highway moisture film early warning system and method for traffic video automatic identification Download PDFInfo
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- CN107657822A CN107657822A CN201711142336.1A CN201711142336A CN107657822A CN 107657822 A CN107657822 A CN 107657822A CN 201711142336 A CN201711142336 A CN 201711142336A CN 107657822 A CN107657822 A CN 107657822A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 146
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000003384 imaging method Methods 0.000 claims description 43
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
-
- 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
-
- 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
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses the highway moisture film early warning system and method for traffic video automatic identification.The Traffic monitoring control subsystem includes water film thickness identification module, water film thickness authentication module, water film thickness computing module and water film thickness decision-making module.The water film thickness computing module obtains the water film thickness data exported by water film thickness authentication module, and is formed according to above-mentioned water film thickness data and export critical road speed data.The water film thickness decision-making module compares critical road speed data with default threshold value, and critical road speed data are exported to Traffic information demonstration terminal subsystem if above-mentioned critical road speed exceedes default threshold value.Highway moisture film early warning system and method disclosed by the invention for traffic video automatic identification, the traffic camera laid using highway improve express way driving safety and traffic efficiency under severe weather conditions.
Description
Technical field
The invention belongs to weather monitoring and early warning technology field, and in particular to a kind of height for traffic video automatic identification
Fast highway moisture film early warning system and a kind of highway moisture film method for early warning for traffic video automatic identification.
Background technology
Rainy day drive a vehicle when, because the decorative pattern space of surface of tyre is filled up by rainwater and become smooth, rainwater have little time from turn
Extrude under dynamic tire, and gather under tire, form wedge shape.With the quickening of speed, wedge-shaped thickness gradually increases, tire
Reduce with the contact area on road surface, the coefficient of adherence ground drastically declines, and finally causes tire contacts with road surface to completely disengage, shape
Into moisture film.When car travels, flowing pressure can make tire float.To a certain extent, wheel is contacted with road surface and come to nothing completely, wheel
Tire braking is difficult, easily forms neatly.Water film thickness, which is studied, to be shown, attachment coefficient and road speed and the moisture film on tire and ground
Thickness is inversely proportional；The thickness of formation and the excess surface water of moisture film has direct relation.In other words, reach in excess surface water thickness
For moisture film in the case of thickness identical, the speed of car is faster after certain threshold value, and wedge shape is bigger, and the attachment coefficient on tire and ground is just
Can be smaller.Therefore, speed limit is wanted in rainy day driving, and the speed of car is faster, and the probability that neatly occurs is also bigger.
The content of the invention
The present invention is directed to the situation of prior art, overcome above-mentioned difficulties, there is provided a kind of for traffic video automatic identification
Highway moisture film early warning system and a kind of highway moisture film method for early warning for traffic video automatic identification.
The present invention uses following technical scheme, the highway moisture film early warning system for traffic video automatic identification
System, including Traffic monitoring acquisition subsystem, Traffic monitoring control subsystem and Traffic information demonstration terminal subsystem, wherein：
The Traffic monitoring acquisition subsystem includes the first to the 3rd traffic camera, and the first to the 3rd traffic camera is mutually only
On the spot gather real-time imaging；
The Traffic monitoring control subsystem includes water film thickness identification module, water film thickness authentication module, water film thickness and calculated
Module and water film thickness decision-making module, wherein：
The water film thickness identification module obtains the real-time imaging of each traffic camera independent acquisition or tested by water film thickness
Real-time imaging and the water film thickness data that module returns are demonstrate,proved, and water film thickness data are exported according to above-mentioned real-time imaging automatically；
The water film thickness authentication module obtains above-mentioned water film thickness data and corresponding real-time imaging, the water film thickness checking
Module obtains expert and checks result simultaneously；
The above-mentioned water film thickness data for meeting expert's review result are calculated mould by the water film thickness authentication module to water film thickness
Block is exported, and otherwise above-mentioned water film thickness data and corresponding real-time imaging are returned to water film thickness identification module and are exported so that
Water film thickness identification module forms circulation loop with water film thickness authentication module；
The water film thickness computing module obtains the water film thickness data exported by water film thickness authentication module, and according to above-mentioned
Water film thickness data form and export critical road speed data；
The water film thickness decision-making module obtain above-mentioned critical road speed data and will above-mentioned critical road speed data and
Default threshold value compares, to Traffic information demonstration terminal subsystem if above-mentioned critical road speed exceedes default threshold value
Export critical road speed data.
According to above-mentioned technical proposal, the Traffic information demonstration terminal subsystem include but is not limited to vehicle-carrying display screen and
People's mobile terminal.
According to above-mentioned technical proposal, the Traffic monitoring control subsystem also includes central server, and described first to
Three traffic cameras export above-mentioned real-time imaging to above-mentioned central server, and above-mentioned central server is temporary and forwards above-mentioned reality
When image.
The invention also discloses a kind of highway moisture film method for early warning for traffic video automatic identification, including it is following
Step：
Step S1：First to the 3rd traffic camera gathers and returns real-time imaging independently of each other；
Step S2：Water film thickness identification module obtains the real-time imaging of each traffic camera independent acquisition, or obtains by water
The real-time imaging and water film thickness data that film thickness authentication module returns, and moisture film thickness is exported according to above-mentioned real-time imaging automatically
Degrees of data；
Step S3：Water film thickness authentication module obtains above-mentioned water film thickness data and corresponding real-time imaging, the water film thickness
Authentication module obtains expert and checks result simultaneously；
Step S4：Water film thickness authentication module judges whether water film thickness data meet above-mentioned expert and check result, if met
Expert checks result and then above-mentioned water film thickness data is exported to water film thickness computing module and are transferred to step S5, otherwise will be upper
Water film thickness data and corresponding real-time imaging is stated to return to output to water film thickness identification module and be transferred to step S2；
Step S5：The water film thickness data that the acquisition of water film thickness computing module is exported by water film thickness authentication module, and according to
Above-mentioned water film thickness data form and export critical road speed data；
Step S6：Water film thickness decision-making module obtains above-mentioned critical road speed data, and by above-mentioned critical road speed number
It is whole to Traffic information demonstration if above-mentioned critical road speed data exceed default threshold value according to compared with default threshold value
Terminal system exports critical road speed data and is transferred to step S6, is otherwise transferred to step S2.
According to above-mentioned technical proposal, in the step S6, the Traffic information demonstration terminal subsystem includes but is not limited to
Vehicle-carrying display screen and individual mobile terminal.
According to above-mentioned technical proposal, in addition to step A1, the step A1 are located at before step S1：
Step A1：One or more traffic that the water film thickness identification module is adjusted in the first to the 3rd traffic camera is taken the photograph
As the shooting angle of head.
Highway moisture film early warning system and method disclosed by the invention for traffic video automatic identification, it is beneficial to effect
Fruit is, the traffic camera and image automatic identification technology laid using highway solve meteorological professional equipment cost compared with
High, the defects of coverage rate is relatively low, save equipment cost；Improve the express way driving safety under severe weather conditions and pass through
Efficiency；Water film thickness result can be fed back to meteorological department, help meteorological department to carry out correcting for water film thickness Meteorological Products,
It is favorably improved the accuracy of meteorological department's water film thickness live data.
Brief description of the drawings
Fig. 1 is the system block diagram of the preferred embodiment of the present invention.
Reference includes：10- Traffic monitoring acquisition subsystems；The traffic cameras of 11- first；The traffic of 12- second images
Head；The traffic cameras of 13- the 3rd；20- Traffic monitoring control subsystems；21- water film thickness identification modules；22- water film thicknesses are tested
Demonstrate,prove module；23- water film thickness computing modules；24- water film thickness decision-making modules；30- Traffic information demonstration terminal subsystems；31-
Vehicle-carrying display screen；32- individual mobile terminals.
Embodiment
The invention discloses a kind of highway moisture film early warning system for traffic video automatic identification and one kind to be used for
The highway moisture film method for early warning of traffic video automatic identification, with reference to preferred embodiment, the specific implementation to the present invention
Mode is further described.
Referring to Fig. 1 of accompanying drawing, Fig. 1 shows the highway moisture film early warning system for being used for traffic video automatic identification
Modular structure.Preferably, the highway moisture film early warning system for traffic video automatic identification includes Traffic monitoring
Acquisition subsystem 10, Traffic monitoring control subsystem 20 and Traffic information demonstration terminal subsystem 30.
Wherein, the Traffic monitoring acquisition subsystem 10 includes the first to the 3rd traffic camera 11,12,13, first to
3rd traffic camera 11,12,13 gathers real-time imaging independently of each other.
Wherein, the Traffic monitoring control subsystem 20 includes water film thickness identification module 21, water film thickness authentication module
22nd, water film thickness computing module 23 and water film thickness decision-making module 24.
Wherein, the water film thickness identification module 21 obtain each traffic camera independent acquisition real-time imaging or by
The real-time imaging and water film thickness data that water film thickness authentication module 22 returns, and water is exported according to above-mentioned real-time imaging automatically
Film thickness data.
Wherein, the water film thickness authentication module 22 obtains above-mentioned water film thickness data and corresponding real-time imaging, described
Water film thickness authentication module 22 obtains expert and checks result simultaneously.
Wherein, the water film thickness authentication module 22 will meet expert and check the above-mentioned water film thickness data of result to moisture film
THICKNESS CALCULATION module 23 exports, otherwise by above-mentioned water film thickness data and corresponding real-time imaging to water film thickness identification module 21
Return to output so that water film thickness identification module 21 forms circulation loop with water film thickness authentication module 22.Pass through Expert opinion
Inaccurate water film thickness data are excluded, while the water film thickness data of inaccuracy are retracted into water film thickness identification module 21, and
And the training sample using above-mentioned inaccurate water film thickness data as water film thickness identification module 21, to improve water film thickness knowledge
The accuracy of the follow-up water film thickness data of other module 21.
Wherein, the water film thickness computing module 23 obtains the water film thickness number exported by water film thickness authentication module 22
According to, and formed according to above-mentioned water film thickness data and export critical road speed data.
Wherein, the water film thickness decision-making module 23 obtains above-mentioned critical road speed data and by above-mentioned critical driving
Speed data is compared with default threshold value, to Traffic information demonstration if above-mentioned critical road speed exceedes default threshold value
Terminal subsystem 30 exports critical road speed data, so that Traffic information demonstration terminal subsystem 30 is issued by multiple channel
Warning information.
Preferably, the Traffic information demonstration terminal subsystem 30 includes but is not limited to vehicle-carrying display screen 31 and individual's movement
Terminal 32.
Preferably, the Traffic monitoring control subsystem 20 also includes central server（Not shown in figure）, described first
Above-mentioned real-time imaging is exported to above-mentioned central server to the 3rd traffic camera 11,12,13, above-mentioned central server is temporary simultaneously
And the above-mentioned real-time imaging of forwarding.
It is noted that those skilled in the art should be noted that the Traffic monitoring acquisition subsystem 10 should not only limit to
In first described in this preferred embodiment to the 3rd traffic camera 11,12,13, but traffic can be increased and decreased according to the actual requirements and taken the photograph
As the quantity of head.Wherein, above-mentioned traffic camera can utilize the monitoring camera that highway has been laid.
The invention also discloses a kind of highway moisture film method for early warning for traffic video automatic identification, including it is following
Step：
Step S1：First to the 3rd traffic camera gathers and returns real-time imaging independently of each other；
Step S2：Water film thickness identification module obtains the real-time imaging of each traffic camera independent acquisition, or obtains by water
The real-time imaging and water film thickness data that film thickness authentication module returns, and moisture film thickness is exported according to above-mentioned real-time imaging automatically
Degrees of data；
Step S3：Water film thickness authentication module obtains above-mentioned water film thickness data and corresponding real-time imaging, the water film thickness
Authentication module obtains expert and checks result simultaneously；
Step S4：Water film thickness authentication module judges whether water film thickness data meet above-mentioned expert and check result, if met
Expert checks result and then above-mentioned water film thickness data is exported to water film thickness computing module 23 and are transferred to step S5, otherwise will
Above-mentioned water film thickness data and corresponding real-time imaging return to water film thickness identification module exports and is transferred to step S2；
Step S5：Water film thickness computing module 23 obtains the water film thickness data exported by water film thickness authentication module 22, and
Formed according to above-mentioned water film thickness data and export critical road speed data；
Step S6：Water film thickness decision-making module 24 obtains above-mentioned critical road speed data, and by above-mentioned critical road speed
Data are compared with default threshold value, to Traffic information demonstration if above-mentioned critical road speed data exceed default threshold value
Terminal subsystem exports critical road speed data and is transferred to step S6, is otherwise transferred to step S2.
Wherein, in the step S6, the Traffic information demonstration terminal subsystem 30 includes but is not limited to vehicle-carrying display screen
31 and individual mobile terminal 32.
The present invention is additionally provided with variant embodiment, and above-mentioned variant embodiment is basically identical with preferred embodiment, and difference is, also
Including step A1, the step A1 is located at before step S1：
Step A1：The water film thickness identification module 21 adjust one in the first to the 3rd traffic camera 11,12,13 or
The shooting angle of multiple traffic cameras, so that the real-time imaging that each traffic camera is shot with video-corder more accurately records moisture film shape
Condition, improve the examination efficiency and validity of real-time imaging.
For a person skilled in the art, the technical scheme described in foregoing embodiments can still be repaiied
Change, or equivalent substitution is carried out to which part technical characteristic, within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in protection scope of the present invention.
Claims (6)
1. a kind of highway moisture film early warning system for traffic video automatic identification, it is characterised in that including Traffic monitoring
Acquisition subsystem, Traffic monitoring control subsystem and Traffic information demonstration terminal subsystem, wherein：
The Traffic monitoring acquisition subsystem includes the first to the 3rd traffic camera, and the first to the 3rd traffic camera is mutually only
On the spot gather real-time imaging；
The Traffic monitoring control subsystem includes water film thickness identification module, water film thickness authentication module, water film thickness and calculated
Module and water film thickness decision-making module, wherein：
The water film thickness identification module obtains the real-time imaging of each traffic camera independent acquisition or tested by water film thickness
Real-time imaging and the water film thickness data that module returns are demonstrate,proved, and water film thickness data are exported according to above-mentioned real-time imaging automatically；
The water film thickness authentication module obtains above-mentioned water film thickness data and corresponding real-time imaging, the water film thickness checking
Module obtains expert and checks result simultaneously；
The above-mentioned water film thickness data for meeting expert's review result are calculated mould by the water film thickness authentication module to water film thickness
Block is exported, and otherwise above-mentioned water film thickness data and corresponding real-time imaging are returned to water film thickness identification module and are exported so that
Water film thickness identification module forms circulation loop with water film thickness authentication module；
The water film thickness computing module obtains the water film thickness data exported by water film thickness authentication module, and according to above-mentioned
Water film thickness data form and export critical road speed data；
The water film thickness feel this module obtain above-mentioned critical road speed data and will above-mentioned critical road speed data and
Default threshold value compares, to Traffic information demonstration terminal subsystem if above-mentioned critical road speed exceedes default threshold value
Export critical road speed data.
2. the highway moisture film early warning system according to claim 1 for traffic video automatic identification, its feature exists
In the Traffic information demonstration terminal subsystem includes but is not limited to vehicle-carrying display screen and individual mobile terminal.
3. the highway moisture film early warning system according to claim 1 for traffic video automatic identification, its feature exists
Also include central server in, the Traffic monitoring control subsystem, the described first to the 3rd traffic camera is to above-mentioned center
Server exports above-mentioned real-time imaging, and above-mentioned central server is temporary and forwards above-mentioned real-time imaging.
4. the highway moisture film method for early warning according to claim 1 for traffic video automatic identification, its feature exists
In comprising the following steps：
Step S1：First to the 3rd traffic camera gathers and returns real-time imaging independently of each other；
Step S2：Water film thickness identification module obtains the real-time imaging of each traffic camera independent acquisition, or obtains by water
The real-time imaging and water film thickness data that film thickness authentication module returns, and moisture film thickness is exported according to above-mentioned real-time imaging automatically
Degrees of data；
Step S3：Water film thickness authentication module obtains above-mentioned water film thickness data and corresponding real-time imaging, the water film thickness
Authentication module obtains expert and checks result simultaneously；
Step S4：Water film thickness authentication module judges whether water film thickness data meet above-mentioned expert and check result, if met
Expert checks result and then above-mentioned water film thickness data is exported to water film thickness computing module and are transferred to step S5, otherwise will be upper
Water film thickness data and corresponding real-time imaging is stated to return to output to water film thickness identification module and be transferred to step S2；
Step S5：The water film thickness data that the acquisition of water film thickness computing module is exported by water film thickness authentication module, and according to
Above-mentioned water film thickness data form and export critical road speed data；
Step S6：Water film thickness decision-making module obtains above-mentioned critical road speed data, and by above-mentioned critical road speed number
It is whole to Traffic information demonstration if above-mentioned critical road speed data exceed default threshold value according to compared with default threshold value
Terminal system exports critical road speed data and is transferred to step S6, is otherwise transferred to step S2.
5. the highway moisture film method for early warning according to claim 4 for traffic video automatic identification, its feature exists
In in the step S6, the Traffic information demonstration terminal subsystem includes but is not limited to vehicle-carrying display screen and personal movement eventually
End.
6. the highway moisture film method for early warning according to claim 4 for traffic video automatic identification, its feature exists
In, in addition to step A1, the step A1 be located at before step S1：
Step A1：One or more traffic that the water film thickness identification module is adjusted in the first to the 3rd traffic camera is taken the photograph
As the shooting angle of head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711142336.1A CN107657822A (en) | 2017-11-17 | 2017-11-17 | Highway moisture film early warning system and method for traffic video automatic identification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711142336.1A CN107657822A (en) | 2017-11-17 | 2017-11-17 | Highway moisture film early warning system and method for traffic video automatic identification |
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| CN107657822A true CN107657822A (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096231A (en) * | 2022-06-16 | 2022-09-23 | 招商局公路信息技术（重庆）有限公司 | A pavement water film data acquisition system and method |
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| CN101246543A (en) * | 2008-03-18 | 2008-08-20 | 苏州纳米技术与纳米仿生研究所 | Examiner identification system based on bionics and biometric identification |
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