CN101661669A - Road vehicle type identification method and system thereof - Google Patents
Road vehicle type identification method and system thereof Download PDFInfo
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- CN101661669A CN101661669A CN200910092596A CN200910092596A CN101661669A CN 101661669 A CN101661669 A CN 101661669A CN 200910092596 A CN200910092596 A CN 200910092596A CN 200910092596 A CN200910092596 A CN 200910092596A CN 101661669 A CN101661669 A CN 101661669A
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Abstract
The invention discloses a road vehicle type identification method and a system thereof, belonging to the technical field of identification. The method comprises the steps: a distance measuring deviceis arranged above the driveway of the road; the distance measuring device transmits distance measuring signals to the driveway according to a certain frequency to monitor the vehicle passing through the driveway, and a monitoring device obtains a plurality of monitoring points with distance change by monitoring under the influence of the passed vehicle appearance; and the appearance features of the vehicle passing by are formed by the obtained monitoring points, and the formed appearance features of the vehicle and the stored basic appearance features of all the types of the vehicles are matched so as to identify the type of the vehicle passing by. The vehicle type identification method has higher monitoring reliability, can comparably accurately identify the type of the vehicle passing byand provide accurate monitoring data for the road monitoring, can realize 24-hour monitoring and not be influenced by light and climate change, and can transform the monitoring facility in the existing traffic roads with lower transform cost.
Description
Technical field
The present invention relates to the recognition technology field, especially relate to a kind of road vehicle type identification method and system.
Background technology
When vehicle passed through, identification was very helpful to improving road management by the type of vehicle.Present stage, China road vehicle detects and generally is: directly over road, settle inductive probe, when automobile by the time electromagnetic change that produces vehicle is counted so that the magnitude of traffic flow is monitored.But this monitoring method can only be added up vehicle fleet size, can't distinguish the type by the monitoring point vehicle, and this makes the validity of Monitoring Data have a greatly reduced quality.
Summary of the invention
Based on above-mentioned existing in prior technology problem, the embodiment of the invention provides a kind of road vehicle type identification method and system, can effectively discern the type of the vehicle that passes through, for monitoring provides accurate data.
The objective of the invention is to be achieved through the following technical solutions:
The embodiment of the invention provides a kind of road vehicle type identification method, comprising:
Above the track of road, distance measuring equipment is set;
Described distance measuring equipment by certain frequency to track place emission distance measuring signal to monitoring by the vehicle at this place, track, make described monitoring device monitor the monitoring point that obtains a plurality of variable in distance in institute under by the contour of the vehicle influence;
Form the resemblance of institute by a plurality of monitoring points that obtain, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored mated by vehicle, thus identify the type by vehicle.
The embodiment of the invention provides a kind of road vehicle type recognition system, comprising:
Distance measuring equipment and recognition process unit;
Described distance measuring equipment, be used for being arranged in use the top, track of road, by certain frequency to track place emission distance measuring signal to monitoring by the vehicle at this place, track, make described monitoring device monitor the monitoring point that obtains a plurality of variable in distance in institute under by the contour of the vehicle influence;
Described recognition process unit, the monitoring point that is used for a plurality of variable in distance of obtaining by the monitoring of described distance measuring equipment form the resemblance by vehicle, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored are mated, thus identify the type by vehicle.
As can be seen, road vehicle type identification method of the present invention has following advantage from the technical scheme of the embodiment of the invention:
(1) monitoring reliability is higher, can accomplish the type of more accurate identification by vehicle, for road monitoring provides monitor data accurately;
(2) can round-the-clockly monitor, be not subjected to the influence of illumination and climate change;
(3) monitoring facilities that can well have now in the passage traffic is transformed, and improvement cost is lower.
Description of drawings
The recognition methods process flow diagram that Fig. 1 provides for the embodiment of the invention one;
Fig. 2 provides the synoptic diagram of discerning at motor bus for the embodiment of the invention one;
Fig. 3 provides the synoptic diagram of discerning at high capacity waggon for the embodiment of the invention one;
Fig. 4 provides the synoptic diagram of discerning at car for the embodiment of the invention one;
Fig. 5 provides the synoptic diagram of discerning at station wagon for the embodiment of the invention one;
The recognition system synoptic diagram that Fig. 6 provides for the embodiment of the invention two;
The structured flowchart of the recognition process unit in the recognition system that Fig. 7 provides for the embodiment of the invention two.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments:
Present embodiment provides a kind of road vehicle type identification method, can be used on the road monitoring by vehicle with the type of identification by vehicle, and as shown in Figure 1, this method comprises:
Step 1: above the track of road, distance measuring equipment is set; General distance measuring equipment be arranged on the track directly over;
Step 2: described distance measuring equipment by certain frequency to track place emission distance measuring signal to monitoring by the vehicle at this place, track, make described monitoring device monitor the monitoring point that obtains a plurality of variable in distance in institute under by the contour of the vehicle influence;
Step 3: form the resemblance of institute by a plurality of monitoring points that obtain, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored mated by vehicle, thereby identify the type by vehicle.
In the step 2 of said method, distance measuring equipment is monitored the vehicle of locating by this track to place, track emission distance measuring signal by certain frequency, be to be 100～1000Hz to track place's emission distance measuring signal (laser ranging signal or ultrasonic ranging signal) to monitoring by frequency by the vehicle at this place, track by distance measuring equipment, can know, the frequency of emission distance measuring signal is high more, its range finding effect is good more, can guarantee under the various speed of a motor vehicle all accurately recording the monitoring point by vehicle.When dissimilar vehicles passes through, be subjected to the influence of contour of the vehicle, the distance measuring signal of distance measuring equipment emission can form the monitoring point of a plurality of variable in distance, can depict essential characteristic according to these monitoring points by contour of the vehicle, shown in Fig. 2-5, represented the situation that obtains the monitoring point the when vehicle that passes through is motor bus, high capacity waggon, car and jubilee wagon respectively, when being motor bus 21 by vehicle, the line that obtains each monitoring point then forms and the essentially identical shape 201 of motor bus profile in Fig. 2; When being high capacity waggon 31 by vehicle, the line that obtains each monitoring point then forms and the essentially identical shape 301 of high capacity waggon profile in Fig. 3; When being car 41 by vehicle, the line that obtains each monitoring point then forms and the essentially identical shape 401 of car profile in Fig. 4; When being jubilee wagon 51 by vehicle, the line that obtains each monitoring point then forms and the essentially identical shape of jubilee wagon 501 profiles in Fig. 5;
The shape facility of obtaining by contour of the vehicle by monitoring mates with the various contour of the vehicle essential characteristics of having stored, specifically contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics that have been stored in the database can be mated, if matching result is consistent, can confirm that then vehicle that is passed through and the vehicle that is contrasted are same type of vehicle, thereby well identify the type of vehicle that passes through.
The vehicle identification method of present embodiment, it is higher to have a monitoring reliability, can accomplish the type of more accurate identification by vehicle, for road monitoring provides monitor data accurately; And can round-the-clockly monitor, be not subjected to the influence of illumination and climate change; Can well utilize simultaneously the monitoring facilities in the existing passage traffic to transform, improvement cost is lower.
Wherein, described distance measuring equipment 71, communicate to connect with described recognition process unit 72, be arranged on the top, track of road during use, be used for to place, track emission distance measuring signal the vehicle of locating by this track being monitored by certain frequency, by making described monitoring device monitoring obtain the monitoring point of a plurality of variable in distance under the contour of the vehicle influence, and the monitoring point that obtains is sent to described recognition process unit 72;
Described recognition process unit 72, the monitoring point that is used for a plurality of variable in distance of obtaining by 71 monitorings of described distance measuring equipment form the resemblance by vehicle, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored are mated, thus identify the type by vehicle.
Distance measuring equipment in the above-mentioned recognition system can adopt laser ranging system or supersonic range finder.
As shown in Figure 7, above-mentioned recognition process unit specifically comprises:
Data of monitoring point processing unit 721, contour of the vehicle essential characteristic storage unit 722, matching treatment unit 723 and output unit 724;
Described data of monitoring point processing unit 721 is connected with described matching treatment unit 723, the monitoring point that is used for a plurality of variable in distance of obtaining by 71 monitorings of described distance measuring equipment form the resemblance by vehicle;
Described contour of the vehicle essential characteristic storage unit 722 is connected with described matching treatment unit 723, is used to store the data of all kinds contour of the vehicle essential characteristic;
Described matching treatment unit 723, be connected with described output unit 724, be used for described data of monitoring point processing unit form all kinds contour of the vehicle essential characteristic of storing by the resemblance and the described contour of the vehicle essential characteristic storage unit of vehicle be complementary, and matching result is sent to described output unit;
Described output unit 724 is used to export the object information of exporting after described matching treatment unit 723 matching treatment.
Can know that in actual applications, recognition process unit also can adopt computing machine, and the database that store car profile essential characteristic is set is realized with corresponding identification software in computing machine.
This recognition system of present embodiment can well be discerned the type of vehicle that passes through on the road, and the monitoring facilities that can make full use of in the existing road traffic is transformed, and reaches the effect that improves the Monitoring Data accuracy.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1, a kind of road vehicle type identification method is characterized in that, comprising:
Above the track of road, distance measuring equipment is set;
Described distance measuring equipment by certain frequency to track place emission distance measuring signal to monitoring by the vehicle at this place, track, make described monitoring device monitor the monitoring point that obtains a plurality of variable in distance in institute under by the contour of the vehicle influence;
Form the resemblance of institute by a plurality of monitoring points that obtain, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored mated by vehicle, thus identify the type by vehicle.
2, road vehicle type identification method as claimed in claim 1 is characterized in that, described be provided with above the track of road distance measuring equipment be distance measuring equipment is arranged on road the track directly over.
3, road vehicle type identification method as claimed in claim 1 is characterized in that, described distance measuring equipment is pressed certain frequency and is emission laser ranging signal or ultrasonic ranging signal to place, track emission distance measuring signal.
4, road vehicle type identification method as claimed in claim 1 is characterized in that, described distance measuring equipment comprises monitoring by vehicle herein to place, track emission distance measuring signal by certain frequency:
Distance measuring equipment is that 100～1000Hz monitors the vehicle of locating by this track to place, track emission distance measuring signal by frequency.
5, road vehicle type identification method as claimed in claim 1 is characterized in that, the described contour of the vehicle feature that forms is mated with the various contour of the vehicle essential characteristics of having stored comprises:
Contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics that have been stored in the database are mated,, confirm that then vehicle of being discerned and the vehicle that is contrasted are same classification vehicle if matching result is consistent.
6, a kind of road vehicle type recognition system is characterized in that, comprising:
Distance measuring equipment and recognition process unit;
Described distance measuring equipment, be used for being arranged in use the top, track of road, by certain frequency to track place emission distance measuring signal to monitoring by the vehicle at this place, track, make described monitoring device monitor the monitoring point that obtains a plurality of variable in distance in institute under by the contour of the vehicle influence;
Described recognition process unit, the monitoring point that is used for a plurality of variable in distance of obtaining by the monitoring of described distance measuring equipment form the resemblance by vehicle, contour of the vehicle feature that forms and the various contour of the vehicle essential characteristics of having stored are mated, thus identify the type by vehicle.
7, road vehicle type recognition system as claimed in claim 6 is characterized in that, described distance measuring equipment is laser ranging system or supersonic range finder.
8, road vehicle type recognition system as claimed in claim 6 is characterized in that, described recognition process unit comprises:
Data of monitoring point processing unit, contour of the vehicle essential characteristic storage unit, matching treatment unit and output unit;
Described data of monitoring point processing unit, the monitoring point that is used for a plurality of variable in distance of obtaining by the monitoring of described distance measuring equipment form the resemblance by vehicle;
Described contour of the vehicle essential characteristic storage unit is used to store the data of all kinds contour of the vehicle essential characteristic;
Described matching treatment unit, be used for described data of monitoring point processing unit form all kinds contour of the vehicle essential characteristic of storing by the resemblance and the described contour of the vehicle essential characteristic storage unit of vehicle be complementary, and matching result is sent to described output unit;
Described output unit is used to export the object information that described matching treatment units match is handled back output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092596A CN101661669A (en) | 2009-09-11 | 2009-09-11 | Road vehicle type identification method and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910092596A CN101661669A (en) | 2009-09-11 | 2009-09-11 | Road vehicle type identification method and system thereof |
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| CN101661669A true CN101661669A (en) | 2010-03-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730011A (en) * | 2012-10-12 | 2014-04-16 | 博隆建亚科技(北京)有限公司 | Vehicle type recognition detection method and system based on laser |
| CN104064030A (en) * | 2014-07-01 | 2014-09-24 | 武汉万集信息技术有限公司 | Vehicle type identification method and vehicle type identification system |
| CN107967804A (en) * | 2017-12-04 | 2018-04-27 | 北京理工大学 | A kind of more rotors carry the vehicle cab recognition and vehicle speed measurement device and method of laser radar |
| CN108399753A (en) * | 2018-03-01 | 2018-08-14 | 山东建筑大学 | Vehicle tracing method and system based on ultrasonic wave wave-record chart |
| CN111523415A (en) * | 2020-04-13 | 2020-08-11 | 北京巨视科技有限公司 | Image-based two-passenger one-dangerous vehicle detection method and device |
-
2009
- 2009-09-11 CN CN200910092596A patent/CN101661669A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730011A (en) * | 2012-10-12 | 2014-04-16 | 博隆建亚科技(北京)有限公司 | Vehicle type recognition detection method and system based on laser |
| CN103730011B (en) * | 2012-10-12 | 2016-01-06 | 博隆建亚科技(北京)有限公司 | A kind of vehicle type recognition detection method based on laser instrument and system |
| CN104064030A (en) * | 2014-07-01 | 2014-09-24 | 武汉万集信息技术有限公司 | Vehicle type identification method and vehicle type identification system |
| CN104064030B (en) * | 2014-07-01 | 2016-04-13 | 武汉万集信息技术有限公司 | A kind of model recognizing method and system |
| CN107967804A (en) * | 2017-12-04 | 2018-04-27 | 北京理工大学 | A kind of more rotors carry the vehicle cab recognition and vehicle speed measurement device and method of laser radar |
| CN108399753A (en) * | 2018-03-01 | 2018-08-14 | 山东建筑大学 | Vehicle tracing method and system based on ultrasonic wave wave-record chart |
| CN111523415A (en) * | 2020-04-13 | 2020-08-11 | 北京巨视科技有限公司 | Image-based two-passenger one-dangerous vehicle detection method and device |
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Open date: 20100303 |