CN105303846A - Motorway vehicle overspeed snapshot system based on ZigBee - Google Patents
Motorway vehicle overspeed snapshot system based on ZigBee Download PDFInfo
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- CN105303846A CN105303846A CN201510506217.4A CN201510506217A CN105303846A CN 105303846 A CN105303846 A CN 105303846A CN 201510506217 A CN201510506217 A CN 201510506217A CN 105303846 A CN105303846 A CN 105303846A
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Abstract
The invention discloses a motorway vehicle overspeed snapshot system based on ZigBee, and belongs to the technical field of intelligent traffic vehicle snapshot systems. The system comprises a traffic monitoring terminal, a coordinator, a router, and ZigBee wireless network nodes, wherein all ZigBee wireless network nodes are disposed on a motorway at equal intervals, and respectively comprises a ZigBee module, a vehicle speed detection unit, a control unit and an image collection unit. Each image collection unit comprises a brightness detection module, an image snapshot module, a first light supplementation module, a second light supplementation module, a third light supplementation module, an image storage module, and an image noise reduction module. The system can achieve the 24-hour automatic real-time monitoring of the motorway, and does not cause poor monitoring at night or under the condition of poor visibility. The system is high in automation degree, is high in snapshot precision, is low in false detection rate, and can greatly improve the work efficiency of law enforcement of the motorway.
Description
Technical field
The present invention relates to a kind of overspeed of vehicle on highway capturing system based on ZigBee, belong to intelligent traffic vehicle capturing system technical field.
Background technology
The development of highway, shorten intercity between distance, facilitate expanding economy, make the life of the people more convenient.According to incompletely statistics, the traffic hazard that highway occurs, major part causes by driving over the speed limit.In order to the behavior effectively containing that on highway, overspeed violation travels, the vehicle supervision department of various places sets up monitoring point all on a highway.
Application number is 201310581309.X, the applying date is that a kind of intelligent expressway oversize vehicle that application discloses on November 18th, 2013 is broken rules and regulations grasp shoot device, comprise camera, treating apparatus, the wireless communication module being provided with microprocessor in treating apparatus and being connected with microprocessor, camera is connected with microprocessor, microprocessor and remote data base and the wireless telecommunications of violation data storehouse.Intelligent expressway oversize vehicle grasp shoot device of breaking rules and regulations can carry out the preliminary judgement of oversize vehicle by the root vehicle ' s contour refusing to photograph in image, and can refuse in image number-plate number enquiring vehicle information by root, confirmation vehicle is oversize vehicle, and capture, intelligence degree is high, capture accurately, to the fright power that oversize vehicle plays, the probability that this type of traffic offence occurs can be reduced.
Application number is 201420616691.3, the applying date be on October 23rd, 2014 application discloses a kind of highway portable candid photograph equipment of movable type violating the regulations, comprise casing, intelligent transportation video camera is installed in casing, wireless router and lithium battery power supply system, casing is arranged on mounting bracket assembly, mounting bracket assembly comprises support, cradle top is provided with a disk body, the side of this disk body card has two card rails, the opposite side of this disk body card is provided with a mounting hole or erection bolt, bottom half be provided with the bail of card rail and with mounting hole or the corresponding mounting groove of erection bolt, anchor ear is provided with below support, anchor ear is connected with support by connection strap, one end and the support of connection strap are hinged, the other end and the anchor ear of connection strap are hinged, bottom half is by being connected and fixed at the mounting hole of the securing member of casing internal locking and cradle top or erection bolt.The technical program is lightweight, and volume is little, easy for installation, anywhere, is directly placed on fence upright, and adjustment angle, can capture violating the regulations.
Existing high way super speed automatic snapshot system mainly relies on camera that monitoring point is on a highway fixedly installed or moveable picture pick-up device to take the vehicle of driving over the speed limit, but when night, backlight and other visibility are not high, the image of shooting is not too clear.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of overspeed of vehicle on highway capturing system based on ZigBee, use ZigBee wireless communication networks, within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, and avoid night or visibility lower time, the not fogging clear deficiency of shooting.
The present invention adopts following technical scheme for solving its technical matters:
A kind of overspeed of vehicle on highway capturing system based on ZigBee, comprise traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router is connected with n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m be greater than 1 natural number; N ZigBee wireless network node is equidistantly arranged on a highway, included ZigBee module, Bus-Speed Monitoring unit, control module and image acquisition units, described Bus-Speed Monitoring unit, control module are connected with ZigBee module respectively with image acquisition units; The output terminal of described ZigBee module is connected with antenna by antenna transceiver, and described antenna and residing router carry out wireless telecommunications; Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node; The speed of a motor vehicle of the Bus-Speed Monitoring unit inspection of reception and setting speed limit judge by described control module, and follow and send instruction according to judged result to image acquisition units; Described image acquisition units for receive central control unit instruction after take the image of over-speed vehicles and carry out image definition process;
Described image acquisition units comprises luminance brightness detection module, video capture module, first supplementary lighting module, second supplementary lighting module, 3rd supplementary lighting module, image storage module and image denoising module, described luminance brightness detection module captures the luminance brightness of environment for detecting, described first, two, three supplementary lighting module are used for when video capture module photograph, according to the change automatic light-supplementing of day illuminance, described video capture module is for taking the image of vehicle of driving over the speed limit, described image storage module is for storing the image of vehicle of driving over the speed limit, the image that described image denoising module is used for storing carries out denoising process.
As a preferred technical solution of the present invention: described first supplementary lighting module strobing frequency is synchronous with the pulse signal of video capture module, described second supplementary lighting module strobing frequency is 2 times of the pulse signal of video capture module, and described 3rd supplementary lighting module strobing frequency is 1/2 of the pulse signal of video capture module.
As a preferred technical solution of the present invention: described image denoising module adopts adaptive wiener filter or morphology scratch filter.
As a preferred technical solution of the present invention: described telegon adopts the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described luminance brightness detection module adopts light sensor.
A kind of overspeed of vehicle on highway capturing system based on ZigBee of the present invention, adopts above technical scheme compared with prior art, has following technique effect:
1, the present invention uses ZigBee wireless communication networks, and within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, and ensures the safety traffic of driver, avoids the generation of traffic hazard.
2, the present invention is by arranging supplementary lighting module, according to the change automatic light-supplementing of shooting environmental day illuminance, ensure that the sharpness of the image of shooting violation vehicle.
3, automaticity of the present invention is high, candid photograph precision is high, false drop rate is low, greatly can improve the work efficiency of highway law enforcement.
Embodiment
Below the invention is described in further details.
A kind of overspeed of vehicle on highway capturing system based on ZigBee, comprise traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router is connected with n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m be greater than 1 natural number; N ZigBee wireless network node is equidistantly arranged on a highway, included ZigBee module, Bus-Speed Monitoring unit, control module and image acquisition units, described Bus-Speed Monitoring unit, control module are connected with ZigBee module respectively with image acquisition units; The output terminal of described ZigBee module is connected with antenna by antenna transceiver, and described antenna and residing router carry out wireless telecommunications; Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node; The speed of a motor vehicle of the Bus-Speed Monitoring unit inspection of reception and setting speed limit judge by described control module, and follow and send instruction according to judged result to image acquisition units; Described image acquisition units for receive central control unit instruction after take the image of over-speed vehicles and carry out image definition process;
Described image acquisition units comprises luminance brightness detection module, video capture module, first supplementary lighting module, second supplementary lighting module, 3rd supplementary lighting module, image storage module and image denoising module, described luminance brightness detection module captures the luminance brightness of environment for detecting, described first, two, three supplementary lighting module are used for when video capture module photograph, according to the change automatic light-supplementing of day illuminance, described video capture module is for taking the image of vehicle of driving over the speed limit, described image storage module is for storing the image of vehicle of driving over the speed limit, the image that described image denoising module is used for storing carries out denoising process.
As a preferred technical solution of the present invention: described first supplementary lighting module strobing frequency is synchronous with the pulse signal of video capture module, described second supplementary lighting module strobing frequency is 2 times of the pulse signal of video capture module, and described 3rd supplementary lighting module strobing frequency is 1/2 of the pulse signal of video capture module.
As a preferred technical solution of the present invention: described image denoising module adopts adaptive wiener filter or morphology scratch filter.
As a preferred technical solution of the present invention: described telegon adopts the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described luminance brightness detection module adopts light sensor.
The present invention uses ZigBee wireless communication networks, and within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, and ensures the safety traffic of driver, avoids the generation of traffic hazard.
ZigBee is a kind of highly reliable wireless data sending network, is similar to CDMA and GSM network.ZigBee digital transmission module is similar to mobile network base station.Communication distance from the 75m of standard to hundreds of rice, several kilometers, and support infinite expanding.ZigBee be one by a wireless data sending network platform that can how to form to 65000 wireless data transmission modules, in whole network range, can intercom mutually between each ZigBee-network digital transmission module, the distance between each network node can from the 75m infinite expanding of standard.
The feature of ZigBee be closely, low complex degree, self-organization, low-power consumption, low data rate.Mainly be suitable for automatically controlling and remote control field, various equipment can be embedded.In brief, ZigBee is exactly cheaply a kind of, the near radio networking mechanics of communication of low-power consumption.ZigBee is a kind of wireless network protocol of low speed short-distance transmission.Zigbee protocol is respectively Physical layer (PHY), MAC layer (MAC), transport layer (TL), network layer (NWK), application layer (APL) etc. from top to bottom.Wherein Physical layer and MAC layer follow the regulation of IEEE802.15.4 standard.ZigBee-network principal feature is low-power consumption, low cost, low rate, support great deal of nodes, support multiple network topology, low complex degree, quick, reliable, safety.Equipment in ZigBee-network can be divided into the Three roles such as telegon (Coordinator), aggregation node (Router), sensor node (EndDevice).
In the present invention, image denoising module adopts adaptive wiener filter or morphology scratch filter, improves the sharpness of process image.
Adaptive wiener filter, can adjust the output of wave filter according to the local variance of image, local variance is larger, and the smoothing effect of wave filter is stronger.Its final goal makes the square error of Recovery image and original image minimum.The filter effect of the method is better than mean filter effect, very useful to the edge and other HFSs retaining image, but calculated amount is larger.S filter is to the image filtering best results with white noise.
Morphology scratch filter, combines opening and closing for filtering noise, and first to there being noise image to carry out open operation, optional structure salt matrices is larger than the size of noise, and the result of thus opening is by the noise remove in background.Be finally that closed procedure is carried out to the image that back obtains, the noise on image is removed.Feature according to the method can be known, the image type that the method is suitable for is that the object size in image is all larger, and does not have tiny details, can be relatively good to the effect of such scene image partition.
The present invention can greatly the consciousness of high automobile driver, strengthen awareness of safety, reducing the traffic accidents caused because driving over the speed limit, ensure that the safety traffic of vehicle, improve efficiency and the implementation capacity of the system that regulates the traffic.The present invention can carry out 24 hours automatic real-time monitoring to highway, has greatly saved human resources, and has monitored ineffective situation under there will not be severe weather conditions.Automaticity of the present invention is high, candid photograph precision is high, false drop rate is low, greatly can improve the work efficiency of highway law enforcement.
Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (6)
1. the overspeed of vehicle on highway capturing system based on ZigBee, comprise traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router is connected with n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m be greater than 1 natural number; N ZigBee wireless network node is equidistantly arranged on a highway, included ZigBee module, Bus-Speed Monitoring unit, control module and image acquisition units, described Bus-Speed Monitoring unit, control module are connected with ZigBee module respectively with image acquisition units; The output terminal of described ZigBee module is connected with antenna by antenna transceiver, and described antenna and residing router carry out wireless telecommunications; Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node; The Vehicle Speed of reception and setting speed limit judge by described control module, and follow and send instruction according to judged result to image acquisition units; Described image acquisition units for receive central control unit instruction after take the image of over-speed vehicles and carry out image definition process;
It is characterized in that described image acquisition units comprises luminance brightness detection module, video capture module, first supplementary lighting module, second supplementary lighting module, 3rd supplementary lighting module, image storage module and image denoising module, described luminance brightness detection module captures the luminance brightness of environment for detecting, described first, two, three supplementary lighting module are used for when video capture module photograph, according to the change automatic light-supplementing of day illuminance, described video capture module is for taking the image of vehicle of driving over the speed limit, described image storage module is for storing the image of vehicle of driving over the speed limit, the image that described image denoising module is used for storing carries out denoising process.
2. a kind of overspeed of vehicle on highway capturing system based on ZigBee according to claim 1, it is characterized in that described first supplementary lighting module strobing frequency is synchronous with the pulse signal of video capture module, described second supplementary lighting module strobing frequency is 2 times of the pulse signal of video capture module, and described 3rd supplementary lighting module strobing frequency is 1/2 of the pulse signal of video capture module.
3. a kind of overspeed of vehicle on highway capturing system based on ZigBee according to claim 1, is characterized in that described image denoising module adopts adaptive wiener filter or morphology scratch filter.
4. a kind of overspeed of vehicle on highway capturing system based on ZigBee according to claim 1, is characterized in that described telegon adopts the CC2530 chip of TI company.
5. a kind of overspeed of vehicle on highway capturing system based on ZigBee according to claim 1, is characterized in that described ZigBee module is CC2530 module.
6. a kind of overspeed of vehicle on highway capturing system based on ZigBee according to claim 1, is characterized in that described luminance brightness detection module adopts light sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510506217.4A CN105303846A (en) | 2015-08-18 | 2015-08-18 | Motorway vehicle overspeed snapshot system based on ZigBee |
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| CN201510506217.4A CN105303846A (en) | 2015-08-18 | 2015-08-18 | Motorway vehicle overspeed snapshot system based on ZigBee |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105761505A (en) * | 2016-04-07 | 2016-07-13 | 苏州玄禾物联网科技有限公司 | Highway vehicle overspeed capturing system |
| CN105809980A (en) * | 2016-03-31 | 2016-07-27 | 苏州玄禾物联网科技有限公司 | Expressway vehicle overspeed snapshot system based on Internet of Things |
| CN107808528A (en) * | 2017-09-25 | 2018-03-16 | 合肥艾斯克光电科技有限责任公司 | A kind of energy-saving bridge floor illumination management system |
| CN113012444A (en) * | 2021-03-30 | 2021-06-22 | 安徽银徽科技有限公司 | Speed-measuring snapshot mechanism and intelligent traffic system based on same |
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| US20120262579A1 (en) * | 2011-04-15 | 2012-10-18 | Hon Hai Precision Industry Co., Ltd. | Electronic device and vehicle detection method using the electronic device |
| CN104103175A (en) * | 2014-06-23 | 2014-10-15 | 无锡市崇安区科技创业服务中心 | Highway speeding capture system |
| CN104809885A (en) * | 2015-04-17 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | Capturing device for expressway vehicle overspeed |
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Patent Citations (4)
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| CN101079772A (en) * | 2007-04-05 | 2007-11-28 | 复旦大学 | Intelligent traffic control system based on ZigBee wireless communication |
| US20120262579A1 (en) * | 2011-04-15 | 2012-10-18 | Hon Hai Precision Industry Co., Ltd. | Electronic device and vehicle detection method using the electronic device |
| CN104103175A (en) * | 2014-06-23 | 2014-10-15 | 无锡市崇安区科技创业服务中心 | Highway speeding capture system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105809980A (en) * | 2016-03-31 | 2016-07-27 | 苏州玄禾物联网科技有限公司 | Expressway vehicle overspeed snapshot system based on Internet of Things |
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| CN107808528A (en) * | 2017-09-25 | 2018-03-16 | 合肥艾斯克光电科技有限责任公司 | A kind of energy-saving bridge floor illumination management system |
| CN113012444A (en) * | 2021-03-30 | 2021-06-22 | 安徽银徽科技有限公司 | Speed-measuring snapshot mechanism and intelligent traffic system based on same |
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Application publication date: 20160203 |