CN103871251A - Digital photography-based agglomerate fog real time early warning system and method - Google Patents
Digital photography-based agglomerate fog real time early warning system and method Download PDFInfo
- Publication number
- CN103871251A CN103871251A CN201410091456.3A CN201410091456A CN103871251A CN 103871251 A CN103871251 A CN 103871251A CN 201410091456 A CN201410091456 A CN 201410091456A CN 103871251 A CN103871251 A CN 103871251A
- Authority
- CN
- China
- Prior art keywords
- real
- time
- early warning
- group
- mist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention relates to a digital photography-based agglomerate fog real time early warning system and method. The system comprises a CCD (charge coupled device) camera, an AD (analog to digital) converter, a digital image processor, an SDRAM (synchronous dynamic random access memory), a 3G (3rd generation telecommunication) communication module, a first zigbee module, a second zigbee module, an information publishing controller, an LED (light-emitting diode) display screen and a temperature detection device, wherein the AD converter is respectively connected with the CCD camera and the digital image processor which is respectively connected with the SDRAM, the 3G communication module, the first zigbee module and the temperature detection device, the second and first zigbee modules perform data transmission by a wireless network, and the information publishing controller is respectively connected with the second zigbee module and the LED display screen. The digital photography-based agglomerate fog real time early warning system and method overcome the defects of complex structure, expensive cost, information collection difficulty, not obvious warning effect and the like of a traditional agglomerate fog early warning system, and the system has good upgradability and maintainability.
Description
Technical field
The present invention relates to a kind of group mist real-time early warning system, specifically a kind of group's mist real-time early warning system and method based on digital camera.
Background technology
In recent years, along with economic develop rapidly China highway mileage also constantly extends, the convenient and swift safe and smooth comprehensive benefit of highway constantly manifests.But because expressway speed is fast, flow is large and himself totally enclosed feature, once therefore highway runs into blind special weather, while particularly thering is the group vaporific condition of sudden and randomness, just very easily there is traffic hazard.Cause visibility reduction on highway to become the main predisposing factors of traffic hazard on current highway by weather conditions such as dense fog (particularly rolling into a ball mist), sleet, sandstorms, and caused the massive losses of social economy and people's lives and properties.Therefore, design and development expressway fog early warning system has become transportation industry problem demanding prompt solution.
China is starting late aspect the research of fogday traffic safety, and the expressway fog early warning system research of China at present mainly contains following several respects:
(1) the highway anti-fogging early warning system based on GPRS
This system utilizes high precision duplex digital temperature sensor to measure the humidity of air, completing the interpretation to the on-the-spot humidity threshold value of highway detects, while reaching threshold value, start visiometer by MCU (being control module), complete antifog data acquisition, realize early warning thereby transmit data by GPRS wireless module.
(2) the expressway visibility early warning system based on CAN bus
This system is made up of measured node and communication bus, measured node adopts long distance samples photoelectric sensor, utilize phase-locked detection principle, measure the feeble signal that is obtained reflecting visibility situation by remote photoelectric sensor, the long haul communication network being made up of CAN bus is realized the mutual transmission of each node measurement signal and control signal simultaneously.
China's weather monitoring device is mostly from external import, apparatus expensive, and maintaining difficulty, in addition, because the operation and maintenance of equipment is improper, much equipment is not brought into play its due effect.At present, domestic also have numerous visiometers to sell producer, mainly contain day abundant moral TYD-MV visiometer, win rich instrument etc., but its system complex, sampled data is few, and cost is high, is not suitable for highway and uses on a large scale.
In association area at home and abroad, also relative less with research for the exploration of this respect, there is not so far a kind of alarming effect obvious, security performance is good, and automaticity is high, and group's mist early warning system simple to operate presents.
Summary of the invention
The object of the present invention is to provide a kind of group's mist real-time early warning system and method based on digital camera, effectively solve Real-Time Monitoring and the safe early warning problem of expressway fog, reduce or traffic accidents that the group's of avoiding mist causes.
The present invention solves the technical scheme that its technical matters takes: the group's mist real-time early warning system based on digital camera, the image information of the object in order to capture setting on highway is carried out a mist real-time early warning, it is characterized in that: comprise ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described ccd video camera is in order to gather the image information of object, described AD converter is connected with ccd video camera and Digital Image Processor respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with the 2nd zigbee wireless radio frequency modules and LED display respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules forms group's fog real-time monitoring device, described the 2nd zigbee wireless radio frequency modules, information release controller and LED display forms group's mist real-time early warning device.
Preferably, described ccd video camera comprises ICX205AL imageing sensor.
Preferably, described AD converter comprises TVP5146 chip.
Preferably, described Digital Image Processor adopts the TMS320C6713DSP processor of TI company.
Preferably, a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company.
Preferably, described information release controller comprises STC89C52 single-chip microcomputer.
Preferably, described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company.
Further, described fog real-time monitoring device is set in qually spaced on highway, and the quantity of described mist real-time early warning device is a twice for fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network.
The present invention also provides a kind of group's mist real time early warning method based on digital camera, it is characterized in that, comprises the following steps:
1) by the image information of ccd video camera Real-time Collection object, and send to AD converter;
2) AD converter is changed image information, and the image information after conversion is sent to Digital Image Processor;
3) image information of the real-time processing target thing of Digital Image Processor calculates real-time weather visibility, and generates speed(-)limit sign information according to real-time weather visibility with showing speed limit transformational relation;
4) group's fog real-time monitoring device sends to respectively group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device by a zigbee wireless radio frequency modules by real-time weather visibility and speed(-)limit sign information;
5) group's mist real-time early warning device shows real-time weather visibility or speed(-)limit sign information in real time; Group's mist real-time early warning device preferentially shows the speed(-)limit sign information that downstream group fog real-time monitoring device sends, and shows the real-time weather visibility information that co-located group mist real-time early warning device sends in the time not receiving the speed(-)limit sign information that downstream group fog real-time monitoring device sends.
Further, described real-time weather visibility with show that speed limit transformational relation is as following table:
| Weather visibility M (m) | 500-200 | 150-200 | 100-150 | 50-100 | <50 |
| Speed(-)limit sign V (km/h) | 80 | 60 | 50 | 40 | 20 |
In the time that real-time weather visibility M (m) is greater than 500m, do not generate speed(-)limit sign V (km/h).
The present invention is by the image information of ccd video camera Real-time Collection object, Digital Image Processor is obtained the image information of object and is stored in SDRAM storer by AD converter, judge real-time weather visibility and generate speed(-)limit sign information according to the image information of object simultaneously, by a zigbee wireless radio frequency modules, real-time weather visibility and speed(-)limit sign information are sent to a mist real-time early warning device again, the security of turnpike driving while burst to improve a mist.
The invention has the beneficial effects as follows: the present invention is by the image of the selected target thing that directly processing ccd video camera absorbs, obtain visibility numerical value according to image luminance information, it has proposed effective preventive measure for the problem of greasy weather highway automobile safety traffic.The present invention directly absorbs selected target thing by digital video camera (CCD-CAMERA) and then background image passes to computing machine by image pick-up card, according to the Image Acquisition visibility numerical value obtaining, there is real-time, efficient, alarming effect outstanding feature, can effectively solve expressway fog early warning problem, there is great Social benefit and economic benefit.
The present invention is based on ccd video camera and gather target image, processing according to TMS320C6713DSP to view data also utilizes STC89C52 Single-chip Controlling group mist real-time early warning device to carry out real-time release group mist early warning information by changeable-message sign board and speed(-)limit sign mode, overcome the shortcomings such as complex structure, cost costliness, information acquisition difficulty and the alarming effect of traditional mist early warning system be not obvious, there is good upgradability and maintainability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the one of of the present invention fog real-time monitoring device and object arranges schematic diagram;
In Fig. 2: 1 fog real-time monitoring device, 2 monitoring bars, 3 objects, 4 highway isolation belts, 5 mist real-time early warning devices.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, a kind of group's mist real-time early warning system based on digital camera of the present invention, it comprises ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described AD converter is connected with ccd video camera and Digital Image Processor respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with the 2nd zigbee wireless radio frequency modules and LED display respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules forms group's fog real-time monitoring device, described the 2nd zigbee wireless radio frequency modules, information release controller and LED display forms group's mist real-time early warning device.
Wherein, described ccd video camera adopts ICX205AL imageing sensor, in order to gather the image information of object, described AD converter adopts TVP5146 chip, described Digital Image Processor adopts the TMS320C6713DSP of TI company, a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company, described information release controller adopts STC89C52 single-chip microcomputer, described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company, normally work to guarantee it in order to the state of temperature of monitoring image processing module when work.
The present invention also provides a kind of group's mist real time early warning method based on digital camera, and it comprises the following steps:
1) by the image information of ccd video camera Real-time Collection object, and send to AD converter;
2) AD converter is changed image information, and the image information after conversion is sent to Digital Image Processor;
3) image information of the real-time processing target thing of Digital Image Processor calculates real-time weather visibility, and generates speed(-)limit sign information according to real-time weather visibility with showing speed limit transformational relation;
4) group's fog real-time monitoring device sends to respectively group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device by a zigbee wireless radio frequency modules by real-time weather visibility and speed(-)limit sign information;
5) group's mist real-time early warning device shows real-time weather visibility or speed(-)limit sign information in real time; Group's mist real-time early warning device preferentially shows the speed(-)limit sign information that downstream group fog real-time monitoring device sends, and shows the real-time weather visibility information that co-located group mist real-time early warning device sends in the time not receiving the speed(-)limit sign information that downstream group fog real-time monitoring device sends.
Real-time weather visibility of the present invention with show that speed limit transformational relation is as following table:
| Weather visibility M (m) | 500-200 | 150-200 | 100-150 | 50-100 | <50 |
| Speed(-)limit sign V (km/h) | 80 | 60 | 50 | 40 | 20 |
In the time that real-time weather visibility M (m) is greater than 500m, do not generate speed(-)limit sign V (km/h).
As shown in Figure 2, of the present invention fog real-time monitoring device 1 is set in qually spaced on the monitoring bar 2 of highway, in group's fog real-time monitoring device 1, the camera of ccd video camera is facing to object 3 and gather the image information of object, and described object 3 is arranged on highway isolation belt 4; The quantity of described mist real-time early warning device 5 is a twice for fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network, for example, after detecting a mist, group's fog real-time monitoring device at B place according to a mist information, corresponding speed(-)limit sign information is sent to respectively to the upstream group mist real-time early warning device at A and C place, if the group's of being checked through mist not sends real-time weather visibility information group's mist real-time early warning device at B place; Group's mist real-time early warning device at B place preferentially shows the speed(-)limit sign information that the downstream group fog real-time monitoring device at A and C place sends, and shows the real-time weather visibility information of group's mist real-time early warning device transmission at B place in the time not receiving the speed(-)limit sign information that downstream group fog real-time monitoring device sends.
Due to the detection early warning object of the present invention group's mist that is high-speed functions, based on a feature that mist radius is little, mobility is strong, therefore, of the present invention fog real-time monitoring device 1 actual installation density should be one group every kilometer, group's mist real-time early warning device 2 actual installation density should be two every kilometer, and the present invention arranges speed(-)limit sign according to weather visibility with showing speed limit transformational relation table.
The present invention is by the image information of ccd video camera Real-time Collection object, Digital Image Processor is obtained the image information of object and is stored in SDRAM storer by AD converter, the image information of processing target thing calculates real-time weather visibility and generates speed(-)limit sign information in real time simultaneously, by a zigbee wireless radio frequency modules, real-time weather visibility and speed(-)limit sign information are sent to a mist real-time early warning device again, the security of turnpike driving while burst to improve a mist.
The present invention mainly comprises following main functional modules.
One, image capture module
The present invention adopts the ccd video camera take ICX205AL as core, and its pixel is square configuration, has adopted HAD technology, and light sensitivity is high, and dark current is low; Resolution is 1392 X 1040, and valid pixel is counted 1.45M.Working frequency of chip is 14.318MHz, supports both full-pixel to read with high frame fast reading and goes out two kinds of playback modes, and the former output speed is 7.5 frames per second, and the latter can reach the speed of 30 frames per second.Meanwhile, ICX20_SAL also supports electronic shutter function.
Ccd video camera passes through to gather apart from the object of shooting point certain distance or the image of target lamp, then is input in Digital Image Processor by digital image acquisition card.
Two, image processing module
The present invention adopts the embedded digital picture processing chip that TI company's T M S320C6713 DSP is core, and its processing speed is fast, and working stability can meet the requirement of video camera to processing speed.It is compatible that it has fixed point/floating-point series, CPU frequency can reach 1. 1 GHz, simultaneously, also there are 6 A LU (32/40-bit), 2 multipliers (16 x 16), maximum execution speed can reach the advantages such as 109 instructions of 4. 8 x per second, can complete well the Processing Algorithm that gathers image.
Three, temperature detecting module
The digital temperature sensor TMP05 of ADI company, has volume little, measures accurately the feature of working stability.Can effectively monitor the working temperature of image capture module, under severe weather conditions, when image capture module operation irregularity, can be found timely and repair in the winter time.
Four, wireless communication module
ZigBee technology is as a kind of emerging two-way wireless communication means, has low in energy consumption, the feature such as time delay is short, network capacity is large, reliability is high and cost is low, is very suitable for the communication on highway.
Because TI company technique is fully reinforced, the data such as the developing instrument, technical documentation, reference design and the working knowledge that provide are more complete, are conducive to building of platform, therefore will select the ZigBee single-chip solution of TI company.This is wherein outstanding with the CC2430 chip performance of up-to-date Chipcon company again.This module is divided into sending and receiving two parts, and transmitting portion is arranged on camera place, for sending in real time the speed-limiting messages obtaining via image processing module; Receiving unit is integrated in information issuing module, and the restricting signal receiving is passed to LED speed limit show label and gantry type changeable-message sign board.
Five, group's mist real-time early warning module
Processing is above all for a mist information is distributed to driver by effective, real-time, therefore rolls into a ball the mist real-time early warning device information of carrying out and issues most important.
It is mainly made up of information issuing control module and information display module two parts, and information issuing control is by STC89C52 Single-chip Controlling; Information display module adopts LED display, coordinate traditional highway variable information sign board, real-time release road conditions group mist information, and the immutable Speed Limitation on Freeway of existing static state of upgrading is masked as LED variable speed-limit sign, one meets section there is group's mist, just can change immediately respective stretch restricted speed, reach the object of prevention traffic hazard.
The above is the preferred embodiment of the present invention, for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications are also regarded as protection scope of the present invention.
Claims (10)
1. the group's mist real-time early warning system based on digital camera, the image information of the object in order to capture setting on highway is carried out a mist real-time early warning, it is characterized in that: comprise ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules, the 2nd zigbee wireless radio frequency modules, information release controller, LED display and temperature-detecting device, described ccd video camera is in order to gather the image information of object, described AD converter is connected with ccd video camera and Digital Image Processor respectively, described Digital Image Processor respectively with SDRAM storer, 3G communication module, the one zigbee wireless radio frequency modules is connected with temperature-detecting device, described Digital Image Processor is connected with host computer by 3G communication module, described the 2nd zigbee wireless radio frequency modules and a zigbee wireless radio frequency modules are carried out data transmission by wireless network, and described information release controller is connected with the 2nd zigbee wireless radio frequency modules and LED display respectively, described ccd video camera, AD converter, Digital Image Processor, SDRAM storer, 3G communication module and a zigbee wireless radio frequency modules forms group's fog real-time monitoring device, described the 2nd zigbee wireless radio frequency modules, information release controller and LED display forms group's mist real-time early warning device.
2. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described ccd video camera comprises ICX205AL imageing sensor.
3. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described AD converter comprises TVP5146 chip.
4. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described Digital Image Processor adopts the TMS320C6713DSP processor of TI company.
5. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: a described zigbee wireless radio frequency modules and the 2nd zigbee wireless radio frequency modules all adopt the CC2430 chip of Chipcon company.
6. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described information release controller comprises STC89C52 single-chip microcomputer.
7. the group's mist real-time early warning system based on digital camera according to claim 1, is characterized in that: described temperature-detecting device adopts the TMP05 digital temperature sensor of ADI company.
8. according to the group's mist real-time early warning system based on digital camera described in claim 1-7 any one, it is characterized in that: described fog real-time monitoring device is set in qually spaced on highway, the quantity of described mist real-time early warning device is a twice for fog real-time monitoring device, and the corresponding roadside, both sides of rolling into a ball fog real-time monitoring device place on highway that is arranged on; Each described group's fog real-time monitoring device is connected with group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device respectively by wireless network.
9. the group's mist real time early warning method based on digital camera, is characterized in that, comprises the following steps:
1) by the image information of ccd video camera Real-time Collection object, and send to AD converter;
2) AD converter is changed image information, and the image information after conversion is sent to Digital Image Processor;
3) image information of the real-time processing target thing of Digital Image Processor calculates real-time weather visibility, and generates speed(-)limit sign information according to real-time weather visibility with showing speed limit transformational relation;
4) group's fog real-time monitoring device sends to respectively group's mist real-time early warning device of both sides and the upstream of highway driving direction group mist real-time early warning device by a zigbee wireless radio frequency modules by real-time weather visibility and speed(-)limit sign information;
5) group's mist real-time early warning device shows real-time weather visibility or speed(-)limit sign information in real time; Group's mist real-time early warning device preferentially shows the speed(-)limit sign information that downstream group fog real-time monitoring device sends, and shows the real-time weather visibility information that co-located group mist real-time early warning device sends in the time not receiving the speed(-)limit sign information that downstream group fog real-time monitoring device sends.
10. the group's mist real time early warning method based on digital camera according to claim 9, is characterized in that: described real-time weather visibility with show that speed limit transformational relation is as following table:
In the time that real-time weather visibility M (m) is greater than 500m, do not generate speed(-)limit sign V (km/h).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091456.3A CN103871251A (en) | 2014-03-13 | 2014-03-13 | Digital photography-based agglomerate fog real time early warning system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091456.3A CN103871251A (en) | 2014-03-13 | 2014-03-13 | Digital photography-based agglomerate fog real time early warning system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103871251A true CN103871251A (en) | 2014-06-18 |
Family
ID=50909745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410091456.3A Pending CN103871251A (en) | 2014-03-13 | 2014-03-13 | Digital photography-based agglomerate fog real time early warning system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103871251A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777103A (en) * | 2015-04-15 | 2015-07-15 | 西安灏通节能工程设备有限公司 | Sight distance visibility meter and measuring method thereof |
| CN105372209A (en) * | 2015-11-30 | 2016-03-02 | 南京信息工程大学 | Road visibility detection and early-warning system |
| CN105679048A (en) * | 2016-03-31 | 2016-06-15 | 山东智慧城市科学研究院 | Novel speed measuring instrument |
| CN105913662A (en) * | 2016-06-20 | 2016-08-31 | 山东交通学院 | Intelligent highway mist zone guiding system |
| CN106548636A (en) * | 2016-12-12 | 2017-03-29 | 青岛亮佳美智能科技有限公司 | A kind of real-time misty rain warning system |
| CN109407177A (en) * | 2018-10-16 | 2019-03-01 | 象谱信息产业有限公司 | Dense fog identifying system and methods for using them based on machine learning and conventional meteorological observation |
| CN109448397A (en) * | 2018-11-20 | 2019-03-08 | 山东交通学院 | A kind of group's mist monitoring method based on big data |
| CN110363996A (en) * | 2019-07-30 | 2019-10-22 | 西安科诺维智能交通研究院有限公司 | A kind of Regional Road visibility detector of traffic safety induction ad hoc network |
| CN112055446A (en) * | 2019-05-20 | 2020-12-08 | 光宝电子(广州)有限公司 | Visibility meter, visibility measuring method, street lamp device and operation method thereof |
| CN113436283A (en) * | 2021-06-24 | 2021-09-24 | 长安大学 | Group fog detection method, system, device, storage medium and front-end device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261765A (en) * | 2007-03-06 | 2008-09-10 | 张小平 | Weather information prompt system for speedway |
| KR20090100174A (en) * | 2008-03-19 | 2009-09-23 | 정양권 | The methord and the system of the fog detection using the image recognition and image learning methord |
| CN101694748A (en) * | 2009-10-16 | 2010-04-14 | 合肥霍金光电科技有限公司 | Real-time system for monitoring and pre-warning mist on highway |
| CN203351037U (en) * | 2013-08-08 | 2013-12-18 | 张文嘉 | Expressway agglomerate fog pre-warning system |
| CN203721033U (en) * | 2014-03-13 | 2014-07-16 | 山东交通学院 | Digital photography-based agglomerate fog real-time early warning system |
-
2014
- 2014-03-13 CN CN201410091456.3A patent/CN103871251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101261765A (en) * | 2007-03-06 | 2008-09-10 | 张小平 | Weather information prompt system for speedway |
| KR20090100174A (en) * | 2008-03-19 | 2009-09-23 | 정양권 | The methord and the system of the fog detection using the image recognition and image learning methord |
| CN101694748A (en) * | 2009-10-16 | 2010-04-14 | 合肥霍金光电科技有限公司 | Real-time system for monitoring and pre-warning mist on highway |
| CN203351037U (en) * | 2013-08-08 | 2013-12-18 | 张文嘉 | Expressway agglomerate fog pre-warning system |
| CN203721033U (en) * | 2014-03-13 | 2014-07-16 | 山东交通学院 | Digital photography-based agglomerate fog real-time early warning system |
Non-Patent Citations (1)
| Title |
|---|
| 谢兴生等: "数字摄像法测量气象能见度", 《科学通报》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777103A (en) * | 2015-04-15 | 2015-07-15 | 西安灏通节能工程设备有限公司 | Sight distance visibility meter and measuring method thereof |
| CN105372209A (en) * | 2015-11-30 | 2016-03-02 | 南京信息工程大学 | Road visibility detection and early-warning system |
| CN105679048A (en) * | 2016-03-31 | 2016-06-15 | 山东智慧城市科学研究院 | Novel speed measuring instrument |
| CN105913662A (en) * | 2016-06-20 | 2016-08-31 | 山东交通学院 | Intelligent highway mist zone guiding system |
| CN106548636A (en) * | 2016-12-12 | 2017-03-29 | 青岛亮佳美智能科技有限公司 | A kind of real-time misty rain warning system |
| CN109407177B (en) * | 2018-10-16 | 2020-12-18 | 象谱信息产业有限公司 | Machine learning and conventional meteorological observation-based fog identification system and application method |
| CN109407177A (en) * | 2018-10-16 | 2019-03-01 | 象谱信息产业有限公司 | Dense fog identifying system and methods for using them based on machine learning and conventional meteorological observation |
| CN109448397A (en) * | 2018-11-20 | 2019-03-08 | 山东交通学院 | A kind of group's mist monitoring method based on big data |
| CN109448397B (en) * | 2018-11-20 | 2020-11-13 | 山东交通学院 | Group fog monitoring method based on big data |
| CN112055446A (en) * | 2019-05-20 | 2020-12-08 | 光宝电子(广州)有限公司 | Visibility meter, visibility measuring method, street lamp device and operation method thereof |
| CN112055446B (en) * | 2019-05-20 | 2023-04-07 | 光宝电子(广州)有限公司 | Visibility meter, visibility measuring method, street lamp device and operation method thereof |
| CN110363996A (en) * | 2019-07-30 | 2019-10-22 | 西安科诺维智能交通研究院有限公司 | A kind of Regional Road visibility detector of traffic safety induction ad hoc network |
| CN113436283A (en) * | 2021-06-24 | 2021-09-24 | 长安大学 | Group fog detection method, system, device, storage medium and front-end device |
| CN113436283B (en) * | 2021-06-24 | 2024-01-30 | 长安大学 | Method, system and device for detecting mist, storage medium and front-end device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103871251A (en) | Digital photography-based agglomerate fog real time early warning system and method | |
| CN108932859A (en) | A kind of the expressway fog early warning and inducible system of gamut real-time monitoring | |
| CN102436762B (en) | Highway intelligent aided guidance system based on GPRS (General Packet Radio Service)/CDMA (Code Division Multiple Access) wireless network and control method thereof | |
| CN104700629A (en) | System and method for monitoring and early warning agglomerate fog of highway | |
| CN105719480A (en) | Warning system for safety speed and distance of motorway | |
| CN206975839U (en) | A kind of road meeting prior-warning device based on millimetre-wave radar | |
| CN203523115U (en) | Brightness-controllable road illumination system | |
| CN203721033U (en) | Digital photography-based agglomerate fog real-time early warning system | |
| CN202600973U (en) | Intelligent type traffic signal management system | |
| CN103661502A (en) | Automatic monitoring and controlling system for railway crossing | |
| CN104091459B (en) | Heavy weather intelligent detection displaying system | |
| CN105118292A (en) | Gate type electronic police system | |
| CN205230358U (en) | Intelligence photovoltaic traffic light with wireless monitoring function | |
| CN204679658U (en) | A kind of active infrared detection system icy on road | |
| CN204128622U (en) | A kind of based on low-lying section, ZigBee city water level monitoring and alarm system | |
| CN113512964A (en) | A wisdom guardrail system for highway | |
| CN204965751U (en) | Bayonet type electronic police system | |
| CN205621280U (en) | A safe speed with apart from warning system for highway | |
| CN204348074U (en) | A kind of intelligent transportation complex control system | |
| CN201741280U (en) | High-definition interval speed measuring system | |
| CN204575169U (en) | A kind of water on urban streets based on ARM is monitored and early warning system automatically | |
| CN105372209A (en) | Road visibility detection and early-warning system | |
| CN106323369A (en) | Urban road air quality monitoring system | |
| CN202815546U (en) | Cold-chain logistics monitoring system based on could computing | |
| CN204614208U (en) | Based on the wagon flow supervisory system that live video stream detects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |