CN104616504A - Intelligent information acquisition method for vehicles running red light - Google Patents
Intelligent information acquisition method for vehicles running red light Download PDFInfo
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Abstract
The invention relates to an intelligent information acquisition method for vehicles running a red light. The intelligent information acquisition method comprises the following steps: (1) providing an intelligent information acquisition system for vehicles running the red light, wherein the intelligent information acquisition system is arranged on a transverse rod at which signal lamps are positioned to be used for acquiring the information of vehicles running the red light, at a crossing corresponding to the signal lamps, the acquisition system comprises an induction coil assembly, a state detection device for the signal lamps, an image detection device and a DSP (Digital Signal Processor) processor, the induction coil assembly is used for inducing whether a vehicle runs on a lane corresponding to the signal lamps, of the cross; the state detection device for the signal lamps is used for detecting the current state of the signal lamps; the DSP processor is used for controlling the image acquisition and the image processing of the image detection device according to the induction results of the induction coil assembly and the detection results of the state detection device for the signal lamps so as to obtain the information of the vehicles running the red light; 2) using the system to perform acquisition.
Description
Technical field
The present invention relates to traffic monitoring field, particularly relate to a kind of vehicles running red light information intelligent acquisition method.
Background technology
Making a dash across the red light is one of act of violating regulations the most serious in control of traffic and road, is the driving behavior that countries in the world vehicle supervision department prohibites.
Red light violation behavior harm is mainly: one is destroy passing rules, and the Main Function of traffic lights is right-of-ways that science distributes vehicle, pedestrian, makes it safety, passes through in order, havoc right of way allocation rule of making a dash across the red light; Two is that traffic hazard probability occurs is high, is pedestrian, bicycle or the behavior of making a dash across the red light of motor vehicle all can increase crossing traffic conflict, increase accident occurrence probability, very harmful; Three is cause traffic unordered, and the disappearance of driver's traffic rule by law consciousness, is trifling matter depending on law, arbitrarily makes a dash across the red light, both destroyed social public order, also greatly compromise social civilization prevailing custom.
In order to realize effective discovery, punishment to vehicle peccancy behavior, safeguard traffic safety, a large amount of vehicles peccancy information acquisition systems is installed in each important traffic intersection, to be applied in control of traffic and road.But, there is following limitation in vehicles running red light information acquisition system of the prior art: one is to differentiate traffick as urgent in ambulance, fire truck etc. in real time, still can make a dash across the red light to these urgent trafficks and take pictures, waste limited system resource, investigate and prosecute bringing interference for red light violation; Two is generally judge that the red light violation in multiple track detects by the analysis of a width crossing image simultaneously, and in fact, it is meaningless for detecting the information of vehicles in the track that current permission is passed through, and is also waste system resource equally.
Therefore, need a kind of vehicles running red light information intelligent acquisition method, the utilization factor of the e-sourcing of vehicles running red light information acquisition system can be improved, and namely complete at floor in real time interference is gone to urgent traffick, while the accuracy that guarantee information gathers, improve intelligence degree and the work efficiency of acquisition system.
Summary of the invention
In order to solve the problem, the invention provides a kind of vehicles running red light information intelligent acquisition method, prestore urgent is utilized to be removed promptly by the interference of vehicle to vehicles running red light information acquisition by vehicle image template and image matching technology, on the basis current red light track being detected in real time, data localized technology is utilized to abandon the peccancy detection in green light track, only information acquisition is carried out to the vehicles peccancy in red light track, make vehicles running red light information acquisition of the present invention more targeted.
According to an aspect of the present invention, provide a kind of vehicles running red light information intelligent acquisition method, the method comprises: 1) provide a kind of vehicles running red light information intelligent acquisition system, be arranged on the cross bar at signal lamp place, for the vehicles running red light information at the corresponding crossing of collection signal lamp, described acquisition system comprises inductive coil set, signal lamp condition detecting device, image detecting apparatus and dsp processor, whether the track that described inductive coil set is used for the corresponding crossing of induced signal lamp has vehicle to pass through, described signal lamp condition detecting device is used for the current state of detection signal lamp, described dsp processor is according to the testing result of the induction result of described inductive coil set and described signal lamp condition detecting device, control the image acquisition of described image detecting apparatus and image processing operations to obtain vehicles running red light information, 2) use described system to gather.
More specifically, in described vehicles running red light information intelligent acquisition system, also comprise: oscillatory circuit set, comprise multiple oscillatory circuit, the quantity of oscillatory circuit is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil one_to_one corresponding in multiple oscillatory circuit and inductive coil set, each oscillatory circuit connects corresponding inductive coil, when there being vehicle to pass through stop line front, track, corresponding inductive coil place preset distance, corresponding inductive coil and carbody produce mutual inductance, oscillatory circuit oscillation frequency is caused to change, on the contrary, when passing through without vehicle, oscillatory circuit oscillation frequency remains unchanged, frequency detection circuit, be connected respectively with multiple oscillatory circuits of oscillatory circuit set, whether the oscillation frequency detecting each oscillatory circuit changes, and the track sequence number at the inductive coil place corresponding to oscillatory circuit oscillation frequency changed sends, the number order of described track sequence number is from left to right, memory device, urgent by vehicle image template for prestoring two, described is promptly promptly by image that vehicle is taken in advance to benchmark by vehicle image template, described benchmark is promptly benchmark ambulance or benchmark fire truck by vehicle, described memory device has also prestored track reference line upper limit gray threshold, track reference line lower limit gray threshold, vehicle upper limit gray threshold and vehicle lower limit gray threshold, described track reference line upper limit gray threshold and described track reference line lower limit gray threshold are used for the track reference line in image and background separation, described vehicle upper limit gray threshold and described vehicle lower limit gray threshold are used for the vehicle in image and background separation, Wireless Telecom Equipment, for receiving one or more vehicles running red light information and described one or more vehicles running red light information being sent to the server of local transit management platform by wireless communication link, so that one or more vehicles running red light information described in the hard-disc storage of described server, described inductive coil set comprises multiple inductive coil, the quantity of inductive coil is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil and multiple tracks one_to_one corresponding, each inductive coil is embedded in the below of stop line front, corresponding track preset distance, described signal lamp condition detecting device is connected respectively with multiple signal lamp unit of signal lamp, the quantity of signal lamp unit is identical with the track quantity at the corresponding crossing of signal lamp, multiple signal lamp unit and multiple tracks one_to_one corresponding, whether described signal lamp condition detecting device is current for red light exports the track sequence number in current track corresponding to the signal lamp unit of red light according to multiple signal lamp unit, described dsp processor is connected respectively with described frequency detection circuit, described signal lamp condition detecting device, described image detecting apparatus and described Wireless Telecom Equipment, find the described frequency detection circuit track sequence number identical with the numerical value that described signal lamp condition detecting device all exports and send to described image detecting apparatus as identical track sequence number, described dsp processor also receives one or more vehicles running red light information that described image detecting apparatus exports, and described one or more vehicles running red light information is transmitted to described Wireless Telecom Equipment, described image detecting apparatus comprises image acquisition units, vehicle type recognition unit, wavelet filtering unit, gray processing processing unit, image segmentation unit and multiple data localized unit, the quantity of data localized unit is identical with the track quantity at the corresponding crossing of signal lamp, multiple data localized unit number and multiple tracks one_to_one corresponding, described image acquisition units is connected with described dsp processor, for taking the crossing image of signal lamp corresponding front, crossing preset distance when receiving identical track sequence number, described wavelet filtering unit is connected with described image acquisition units, for described crossing image being carried out wavelet filtering process based on Haar wavelet transform wave filter, to obtain filtering image, described vehicle type recognition unit is connected respectively with described wavelet filtering unit and described memory device, vehicle pattern in described filtering image is promptly mated by vehicle image template one by one with described two, there is urgent that the match is successful and promptly pass through signals of vehicles by exporting during vehicle image template, otherwise export and non-emergently pass through signals of vehicles, described gray processing processing unit is connected with described vehicle type recognition unit, receive non-emergent by described filtering image being carried out gray processing process during signals of vehicles, to obtain gray level image, described image segmentation unit and described gray processing processing unit, described wavelet filtering unit is connected respectively with described memory device, the pixel identification of gray-scale value in described gray level image between described track reference line upper limit gray threshold and described track reference line lower limit gray threshold is formed multiple tracks reference line subimage, and based on the position of multiple tracks reference line subimage in described gray level image, described filtering image is divided into multiple track filtering subimage, the quantity of described track filtering subimage is identical with the track quantity at the corresponding crossing of signal lamp, multiple track filtering subimage and multiple tracks one_to_one corresponding, each data localized unit and described image segmentation unit, described memory device is connected with described dsp processor, when there is the sequence number in corresponding track in each data localized unit in the identical track sequence number received, exit battery saving mode to start data localized, when there is not the sequence number in corresponding track in the identical track sequence number received, enter battery saving mode, described data localized comprises the track filtering subimage receiving corresponding track, the pixel identification of gray-scale value in the track filtering subimage received between described vehicle upper limit gray threshold and described vehicle lower limit gray threshold is formed vehicle subimage, identify the license board information in described vehicle subimage, and the track sequence number in corresponding track and the license board information recognized are combined to export as vehicles running red light information, wherein, described wireless communication link is the one in GPRS mobile communication link, 3G mobile communication link or 4G mobile communication link.
More specifically, in described vehicles running red light information intelligent acquisition system: described image acquisition units comprises CMOS vision sensor.
More specifically, in described vehicles running red light information intelligent acquisition system: described image acquisition units also comprises camera lens and optical filter, and described optical filter is positioned at camera lens front, described camera lens is positioned at described CMOS vision sensor front.
More specifically, in described vehicles running red light information intelligent acquisition system: described CMOS vision sensor is high definition vision sensor, the resolution of employing is 1920 × 1080.
More specifically, in described vehicles running red light information intelligent acquisition system, described acquisition system also comprises brightness checkout equipment, for detecting the ambient brightness of described acquisition system surrounding environment; Floor light light source, above the image acquisition units being positioned at described image detecting apparatus, is connected with described brightness checkout equipment, determines whether as the shooting of described image acquisition units provides floor light based on described ambient brightness.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the vehicles running red light information intelligent acquisition system illustrated according to an embodiment of the present invention.
Fig. 2 is the block diagram of the image detecting apparatus of the vehicles running red light information intelligent acquisition system illustrated according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings the embodiment of vehicles running red light information intelligent acquisition system of the present invention is described in detail.
Make a dash across the red light and refer to motor vehicle and on the intersection that signal controls and section, violate red light no through traffic regulation, cross stop line and continue the behavior that travels.
Make a dash across the red light and driver can be made to occur following bad reaction: when 1, making a dash across the red light, the notice of driver is all on traffic lights, can not change inside and outside comprehensive and correct perception car, bring difficulty to the reaction of driver and measure; When 2, making a dash across the red light, the speed of a motor vehicle usually passing through crossing, all than comparatively fast, reduces the cognitive ability of driver to space; When 3, making a dash across the red light, driver declines to the judgement of all kinds of traffic environment, makes the thinking of driver judge sometimes or operate to make a fault; 4, crossing is point and the conflict point of traffic flow, makes a dash across the red light and increases the insecurity of point and conflict point itself, causes safety coefficient to decline; 5, make a dash across the red light affect driver in time, operating and controlling vehicle accurately and efficiently; 6, make a dash across the red light and affect the safety performance of vehicle, also reduce strain reflection ability and the strain disposing capacity of other traffic participants simultaneously; 7, facts have proved that the particularly serious traffic hazard of 90 percent all occurs in intersection, therefore usually all more serious by the caused damage sequence that makes a dash across the red light; 8, under traffic lights, as there is unconsciousization of driver, then there is extreme harmfulness.
In order to suppress this violation phenomenon that makes a dash across the red light, avoiding severe traffic accidents to occur, needing the information of Real-time Obtaining vehicles running red light to punish severely the possessor of vehicles running red light.Existing vehicles running red light information acquisition system cannot remove the interference that urgent traffick brings, and system redundancy is too high, and work efficiency is general.
The present invention has built a kind of vehicles running red light information intelligent acquisition system, described acquisition system is built on the cross bar at signal lamp place, for the vehicles running red light information at the corresponding crossing of collection signal lamp, by comprising the multinomial image processing techniquess such as image recognition, images match, image acquisition, image filtering, image gray processing process and Iamge Segmentation, complete the collection of vehicles running red light information effectively and rationally, the structure of whole acquisition system is compacter.
Fig. 1 is the block diagram of the vehicles running red light information intelligent acquisition system illustrated according to an embodiment of the present invention, described acquisition system is arranged on the cross bar at signal lamp place, for the vehicles running red light information at the corresponding crossing of collection signal lamp, described acquisition system comprises frequency detection circuit 1, oscillatory circuit set 2, inductive coil set 3, signal lamp condition detecting device 4, image detecting apparatus 5, memory device 6, Wireless Telecom Equipment 7 and dsp processor 8, dsp processor 8 and frequency detection circuit 1, signal lamp condition detecting device 4, image detecting apparatus 5, memory device 6 is connected respectively with Wireless Telecom Equipment 7, oscillatory circuit set 2 is connected respectively with frequency detection circuit 1 and inductive coil set 3.
Wherein, whether described inductive coil set 3 has vehicle to pass through for the track at the corresponding crossing of induced signal lamp, described signal lamp condition detecting device 4 is for the current state of detection signal lamp, described dsp processor 8, according to the testing result of the induction result of described inductive coil set 3 and described signal lamp condition detecting device 4, controls the image acquisition of described image detecting apparatus 5 and image processing operations to obtain vehicles running red light information.
Then, continue to be further detailed the concrete structure of vehicles running red light information intelligent acquisition system of the present invention.
Described oscillatory circuit set 2 comprises multiple oscillatory circuit, the quantity of oscillatory circuit is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil one_to_one corresponding in multiple oscillatory circuit and inductive coil set 3, each oscillatory circuit connects corresponding inductive coil, when there being vehicle to pass through stop line front, track, corresponding inductive coil place preset distance, corresponding inductive coil and carbody produce mutual inductance, oscillatory circuit oscillation frequency is caused to change, on the contrary, when passing through without vehicle, oscillatory circuit oscillation frequency remains unchanged.
Frequency detection circuit 1 is connected respectively with multiple oscillatory circuits of oscillatory circuit set 2, whether the oscillation frequency detecting each oscillatory circuit changes, and the track sequence number at the inductive coil place corresponding to oscillatory circuit oscillation frequency changed sends, the number order of described track sequence number is from left to right.
Memory device 6 is urgent by vehicle image template for prestoring two, described is promptly promptly by image that vehicle is taken in advance to benchmark by vehicle image template, described benchmark is promptly benchmark ambulance or benchmark fire truck by vehicle, described memory device 6 has also prestored track reference line upper limit gray threshold, track reference line lower limit gray threshold, vehicle upper limit gray threshold and vehicle lower limit gray threshold, described track reference line upper limit gray threshold and described track reference line lower limit gray threshold are used for the track reference line in image and background separation, described vehicle upper limit gray threshold and described vehicle lower limit gray threshold are used for the vehicle in image and background separation.
Wireless Telecom Equipment 7 is for receiving one or more vehicles running red light information and described one or more vehicles running red light information being sent to the server of local transit management platform by wireless communication link, so that one or more vehicles running red light information described in the hard-disc storage of described server.
Described inductive coil set 3 comprises multiple inductive coil, the quantity of inductive coil is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil and multiple tracks one_to_one corresponding, each inductive coil is embedded in the below of stop line front, corresponding track preset distance.
Described signal lamp condition detecting device 4 is connected respectively with multiple signal lamp unit of signal lamp, the quantity of signal lamp unit is identical with the track quantity at the corresponding crossing of signal lamp, multiple signal lamp unit and multiple tracks one_to_one corresponding, whether described signal lamp condition detecting device 4 is current for red light exports the track sequence number in current track corresponding to the signal lamp unit of red light according to multiple signal lamp unit.
Described dsp processor 8 is connected respectively with described frequency detection circuit 1, described signal lamp condition detecting device 4, described image detecting apparatus 5 and described Wireless Telecom Equipment 7, find the described frequency detection circuit 1 track sequence number identical with the numerical value that described signal lamp condition detecting device 4 all exports and send to described image detecting apparatus 5 as identical track sequence number, described dsp processor 8 also receives one or more vehicles running red light information that described image detecting apparatus 5 exports, and described one or more vehicles running red light information is transmitted to described Wireless Telecom Equipment 7.
As shown in Figure 2, described image detecting apparatus 5 comprises image acquisition units 51, vehicle type recognition unit 53, wavelet filtering unit 52, gray processing processing unit 54, image segmentation unit 56 and multiple data localized unit 55, multiple data localized unit is n, n is identical with the track quantity at the corresponding crossing of signal lamp, multiple data localized unit 55 sequence number and multiple tracks one_to_one corresponding.
In described image detecting apparatus 5, described image acquisition units 51 is connected with described dsp processor, for taking the crossing image of signal lamp corresponding front, crossing preset distance when receiving identical track sequence number, described wavelet filtering unit 52 is connected with described image acquisition units 51, for described crossing image being carried out wavelet filtering process based on Haar wavelet transform wave filter, to obtain filtering image, described vehicle type recognition unit 53 is connected respectively with described wavelet filtering unit 52 and described memory device, vehicle pattern in described filtering image is promptly mated by vehicle image template one by one with described two, there is urgent that the match is successful and promptly pass through signals of vehicles by exporting during vehicle image template, otherwise export and non-emergently pass through signals of vehicles, described gray processing processing unit 54 is connected with described vehicle type recognition unit 53, receive non-emergent by described filtering image being carried out gray processing process during signals of vehicles, to obtain gray level image, described image segmentation unit 56 and described gray processing processing unit 54, described wavelet filtering unit 52 is connected respectively with described memory device, the pixel identification of gray-scale value in described gray level image between described track reference line upper limit gray threshold and described track reference line lower limit gray threshold is formed multiple tracks reference line subimage, and based on the position of multiple tracks reference line subimage in described gray level image, described filtering image is divided into multiple track filtering subimage, the quantity of described track filtering subimage is identical with the track quantity at the corresponding crossing of signal lamp, multiple track filtering subimage and multiple tracks one_to_one corresponding.
Each data localized unit 55 and described image segmentation unit 56, described memory device is connected with described dsp processor, when there is the sequence number in corresponding track in each data localized unit 55 in the identical track sequence number received, exit battery saving mode to start data localized, when there is not the sequence number in corresponding track in the identical track sequence number received, enter battery saving mode, described data localized comprises the track filtering subimage receiving corresponding track, the pixel identification of gray-scale value in the track filtering subimage received between described vehicle upper limit gray threshold and described vehicle lower limit gray threshold is formed vehicle subimage, identify the license board information in described vehicle subimage, and the track sequence number in corresponding track and the license board information recognized are combined to export as vehicles running red light information.
Wherein, described wireless communication link is the one in GPRS mobile communication link, 3G mobile communication link or 4G mobile communication link.
Wherein, described image acquisition units 51 can comprise CMOS vision sensor, described image acquisition units 51 can also comprise camera lens and optical filter, described optical filter is positioned at camera lens front, described camera lens is positioned at described CMOS vision sensor front, described CMOS vision sensor is high definition vision sensor, and the resolution of employing is 1920 × 1080; Described acquisition system can also comprise brightness checkout equipment, for detecting the ambient brightness of described acquisition system surrounding environment, comprise floor light light source, above the image acquisition units 51 being positioned at described image detecting apparatus 5, be connected with described brightness checkout equipment, determine whether as the shooting of described image acquisition units 51 provides floor light based on described ambient brightness.
In addition, CMOS (Complementary Metal-Oxide-Semiconductor), Chinese formal name used at school is complementary metal oxide semiconductor (CMOS), and he is originally a kind of important chip in computer system, saves the data that System guides is the most basic.Manufacturing technology and the general computer chip of CMOS do not have difference, mainly utilize the semiconductor that silicon and this two kinds of elements of germanium are made, make it on CMOS, co-exist the semiconductor of band N (band-electricity) and P (band+electricity) level, the electric current that these two complementary effects the produce chip that can be processed is noted down and is interpreted to image.Found that CMOS also can as the imageing sensor in digital photography through processing afterwards.
For the portable use independent of electrical network, the CMOS technology famous with low power consumption characteristic has an obvious advantage: cmos image sensor designs for 5V and 3.3V supply voltage.CCD chip then needs the supply voltage of about 12V, employing electric pressure converter of therefore having to, thus causes power consumption to increase.In total power consumption, another benefit will be brought in control and system function integration to cmos sensor: he eliminates all external connection lines with other semiconductor elements.Nowadays the driver of its high power consumption is abandoned, this is because carry out communicating consumed energy than much lower by the outside implementation of PCB or substrate at chip internal.
Cmos sensor also can be subdivided into passive type element sensor (Passive Pixel SensorCMOS) and active pixel sensor (Active Pixel Sensor CMOS).
Passive type element sensor (Passive Pixel Sensor is called for short PPS), be again passive type element sensor, he is made up of a back-biased photodiode and a switching tube.Photodiode is a PN junction be made up of P-type semiconductor and N-type semiconductor in essence, and he can be equivalent to a back-biased diode and a mos capacitance parallel connection.When switching tube is opened, photodiode is communicated with vertical alignment (Column bus).The charge integration amplifier sensing circuit (Charge integrating amplifier) being positioned at alignment end keeps column line voltage to be a constant, when the signal charge of photodiode storage is read out, its voltage is reset to column line voltage level, meanwhile, the electric charge be directly proportional to light signal is converted to electric charge by charge integration amplifier and exports.
Active pixel sensor (Active Pixel Sensor is called for short APS), is again active element sensor.Almost while the invention of CMOS PPS dot structure, people recognize very soon in pixel, to introduce the performance that impact damper or amplifier can improve pixel, have the amplifier of oneself in CMOS APS in each pixel.The amplifier transistor being integrated in surface decreases the effective surface area of pixel element, reduces " packaging density ", the incident light of 40% ~ 50% is reflected.Another problem of this sensor is, how to make there is good coupling between the multichannel amplifier of sensor, and this can be realized preferably by the fixed pattern noise reducing residual level.Because each amplifier in CMOS APS pixel is only excited, so the power dissipation ratio ccd image sensor of CMOS APS is also little during this reads.
Adopt vehicles running red light information intelligent acquisition system of the present invention, the technical matters by mistake gathered and system is compact not may be there is for existing vehicles running red light information acquisition system, by a series of image procossing, avoid allowing temporarily making a dash across the red light current urgent traffick such as ambulance, fire truck is gathered by mistake, simultaneously, only collecting vehicle information is carried out to red light passage, improve reliability and the intelligent level of system.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1. a vehicles running red light information intelligent acquisition method, the method comprises:
1) a kind of vehicles running red light information intelligent acquisition system is provided, be arranged on the cross bar at signal lamp place, for the vehicles running red light information at the corresponding crossing of collection signal lamp, described acquisition system comprises inductive coil set, signal lamp condition detecting device, image detecting apparatus and dsp processor, whether the track that described inductive coil set is used for the corresponding crossing of induced signal lamp has vehicle to pass through, described signal lamp condition detecting device is used for the current state of detection signal lamp, described dsp processor is according to the testing result of the induction result of described inductive coil set and described signal lamp condition detecting device, control the image acquisition of described image detecting apparatus and image processing operations to obtain vehicles running red light information,
2) use described system to gather.
2. the method for claim 1, is characterized in that, described acquisition system also comprises:
Oscillatory circuit set, comprise multiple oscillatory circuit, the quantity of oscillatory circuit is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil one_to_one corresponding in multiple oscillatory circuit and inductive coil set, each oscillatory circuit connects corresponding inductive coil, when there being vehicle to pass through stop line front, track, corresponding inductive coil place preset distance, corresponding inductive coil and carbody produce mutual inductance, oscillatory circuit oscillation frequency is caused to change, on the contrary, when passing through without vehicle, oscillatory circuit oscillation frequency remains unchanged;
Frequency detection circuit, be connected respectively with multiple oscillatory circuits of oscillatory circuit set, whether the oscillation frequency detecting each oscillatory circuit changes, and the track sequence number at the inductive coil place corresponding to oscillatory circuit oscillation frequency changed sends, the number order of described track sequence number is from left to right;
Memory device, urgent by vehicle image template for prestoring two, described is promptly promptly by image that vehicle is taken in advance to benchmark by vehicle image template, described benchmark is promptly benchmark ambulance or benchmark fire truck by vehicle, described memory device has also prestored track reference line upper limit gray threshold, track reference line lower limit gray threshold, vehicle upper limit gray threshold and vehicle lower limit gray threshold, described track reference line upper limit gray threshold and described track reference line lower limit gray threshold are used for the track reference line in image and background separation, described vehicle upper limit gray threshold and described vehicle lower limit gray threshold are used for the vehicle in image and background separation,
Wireless Telecom Equipment, for receiving one or more vehicles running red light information and described one or more vehicles running red light information being sent to the server of local transit management platform by wireless communication link, so that one or more vehicles running red light information described in the hard-disc storage of described server;
Described inductive coil set comprises multiple inductive coil, the quantity of inductive coil is identical with the track quantity at the corresponding crossing of signal lamp, multiple inductive coil and multiple tracks one_to_one corresponding, each inductive coil is embedded in the below of stop line front, corresponding track preset distance;
Described signal lamp condition detecting device is connected respectively with multiple signal lamp unit of signal lamp, the quantity of signal lamp unit is identical with the track quantity at the corresponding crossing of signal lamp, multiple signal lamp unit and multiple tracks one_to_one corresponding, whether described signal lamp condition detecting device is current for red light exports the track sequence number in current track corresponding to the signal lamp unit of red light according to multiple signal lamp unit;
Described dsp processor is connected respectively with described frequency detection circuit, described signal lamp condition detecting device, described image detecting apparatus and described Wireless Telecom Equipment, find the described frequency detection circuit track sequence number identical with the numerical value that described signal lamp condition detecting device all exports and send to described image detecting apparatus as identical track sequence number, described dsp processor also receives one or more vehicles running red light information that described image detecting apparatus exports, and described one or more vehicles running red light information is transmitted to described Wireless Telecom Equipment;
Described image detecting apparatus comprises image acquisition units, vehicle type recognition unit, wavelet filtering unit, gray processing processing unit, image segmentation unit and multiple data localized unit, the quantity of data localized unit is identical with the track quantity at the corresponding crossing of signal lamp, multiple data localized unit number and multiple tracks one_to_one corresponding, described image acquisition units is connected with described dsp processor, for taking the crossing image of signal lamp corresponding front, crossing preset distance when receiving identical track sequence number, described wavelet filtering unit is connected with described image acquisition units, for described crossing image being carried out wavelet filtering process based on Haar wavelet transform wave filter, to obtain filtering image, described vehicle type recognition unit is connected respectively with described wavelet filtering unit and described memory device, vehicle pattern in described filtering image is promptly mated by vehicle image template one by one with described two, there is urgent that the match is successful and promptly pass through signals of vehicles by exporting during vehicle image template, otherwise export and non-emergently pass through signals of vehicles, described gray processing processing unit is connected with described vehicle type recognition unit, receive non-emergent by described filtering image being carried out gray processing process during signals of vehicles, to obtain gray level image, described image segmentation unit and described gray processing processing unit, described wavelet filtering unit is connected respectively with described memory device, the pixel identification of gray-scale value in described gray level image between described track reference line upper limit gray threshold and described track reference line lower limit gray threshold is formed multiple tracks reference line subimage, and based on the position of multiple tracks reference line subimage in described gray level image, described filtering image is divided into multiple track filtering subimage, the quantity of described track filtering subimage is identical with the track quantity at the corresponding crossing of signal lamp, multiple track filtering subimage and multiple tracks one_to_one corresponding, each data localized unit and described image segmentation unit, described memory device is connected with described dsp processor, when there is the sequence number in corresponding track in each data localized unit in the identical track sequence number received, exit battery saving mode to start data localized, when there is not the sequence number in corresponding track in the identical track sequence number received, enter battery saving mode, described data localized comprises the track filtering subimage receiving corresponding track, the pixel identification of gray-scale value in the track filtering subimage received between described vehicle upper limit gray threshold and described vehicle lower limit gray threshold is formed vehicle subimage, identify the license board information in described vehicle subimage, and the track sequence number in corresponding track and the license board information recognized are combined to export as vehicles running red light information,
Wherein, described wireless communication link is the one in GPRS mobile communication link, 3G mobile communication link or 4G mobile communication link.
3. method as claimed in claim 2, is characterized in that:
Described image acquisition units comprises CMOS vision sensor.
4. method as claimed in claim 3, is characterized in that:
Described image acquisition units also comprises camera lens and optical filter, and described optical filter is positioned at camera lens front, and described camera lens is positioned at described CMOS vision sensor front.
5. method as claimed in claim 4, is characterized in that:
Described CMOS vision sensor is high definition vision sensor, and the resolution of employing is 1920 × 1080.
6. method as claimed in claim 2, it is characterized in that, described acquisition system also comprises:
Brightness checkout equipment, for detecting the ambient brightness of described acquisition system surrounding environment;
Floor light light source, above the image acquisition units being positioned at described image detecting apparatus, is connected with described brightness checkout equipment, determines whether as the shooting of described image acquisition units provides floor light based on described ambient brightness.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573554.5A CN105303840A (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
| CN201510574646.5A CN105303841B (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
| CN201510101042.9A CN104616504B (en) | 2015-03-08 | 2015-03-08 | A kind of vehicles running red light information intelligent acquisition method |
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| CN201510101042.9A CN104616504B (en) | 2015-03-08 | 2015-03-08 | A kind of vehicles running red light information intelligent acquisition method |
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| CN201510573554.5A Division CN105303840A (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
| CN201510574646.5A Division CN105303841B (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
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| CN201510101042.9A Active CN104616504B (en) | 2015-03-08 | 2015-03-08 | A kind of vehicles running red light information intelligent acquisition method |
| CN201510573554.5A Pending CN105303840A (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
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| CN108806265A (en) * | 2018-01-30 | 2018-11-13 | 张爱兰 | System for detecting regulation violation based on Plate searching |
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| CN105957250A (en) * | 2016-02-04 | 2016-09-21 | 李小春 | Electric power long distance line patrol charging station |
| CN105730276A (en) * | 2016-02-04 | 2016-07-06 | 李勇妹 | Vehicle identity identification automatic billing charging pile |
| CN105656129A (en) * | 2016-02-04 | 2016-06-08 | 李小春 | Intelligent charging platform |
| CN105730273A (en) * | 2016-02-04 | 2016-07-06 | 梁彦云 | Compatible direct current charging pile |
| CN114241762B (en) * | 2021-12-14 | 2022-11-15 | 深圳市鹏城交通网络股份有限公司 | Smart city traffic comprehensive data acquisition and analysis system based on Internet of things |
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| CN105303841B (en) | 2017-01-18 |
| CN104616504B (en) | 2016-08-24 |
| CN105303841A (en) | 2016-02-03 |
| CN105303840A (en) | 2016-02-03 |
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