CN105303841B - Method for intelligently collecting information of vehicle running red light - Google Patents
Method for intelligently collecting information of vehicle running red light Download PDFInfo
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- CN105303841B CN105303841B CN201510574646.5A CN201510574646A CN105303841B CN 105303841 B CN105303841 B CN 105303841B CN 201510574646 A CN201510574646 A CN 201510574646A CN 105303841 B CN105303841 B CN 105303841B
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Abstract
The invention relates to a method for intelligently collecting the information of a vehicle running the red light, and the method comprises the steps: 1) providing a system for intelligently collecting the information of the vehicle running the red light, and enabling the system to be installed on a cross rod and to be used for intelligently collecting the information of the vehicle running the red light, wherein the system comprises an induction coil set, signal lamp state detection equipment, image detection equipment, and a DSP processor; 2) employing the system for collection. The induction coil set is used for inducing whether there is a vehicle passing or not in a lane of an intersection corresponding to a signal lamp. The signal lamp state detection equipment is used for detecting the current state of the signal lamp. The DSP processor is used for controlling the image collection and processing of the image detection equipment through the induction results of the induction coil set and the detection results of the signal lamp state detection equipment, so as to obtain the information of the vehicle running the red light.
Description
The present invention be Application No. 201510101042.9, the applying date be on March 8th, 2015, it is invention entitled that " one kind is rushed
The divisional application of the patent of red light information of vehicles intellectuality acquisition method ".
Technical field
The present invention relates to traffic monitoring field, more particularly, 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 of most serious in control of traffic and road, is countries in the world vehicle supervision department explicit order
The driving behavior forbidden.
Red light violation behavior harm essentially consists in: one is to destroy passing rules, and the Main Function of traffic light is section
The right-of-way of vehicle, pedestrian is joined in credit, is allowed to safety, passes through in order, heavy damage right of way allocation rule of making a dash across the red light；Two is to send out
Raw vehicle accident probability is high, and the either behavior of making a dash across the red light of pedestrian, non-motor vehicle or motor vehicles all can increase crossing traffic punching
Prominent, increase accident occurrence probability, very harmful；Three is to lead to traffic unordered, and the disappearance of driver's traffic rule by law consciousness, depending on law
For trifling matter, arbitrarily make a dash across the red light, both destroyed social public order, also greatly compromise social civilization prevailing custom.
In order to realize the effective discovery to vehicle peccancy behavior, punish, safeguard traffic safety, substantial amounts of vehicles peccancy information
Acquisition system is installed in each important traffic intersection, to be applied in control of traffic and road.However, of the prior art rush red
There is following the limitation in lamp vehicle information acquisition system: one is cannot to differentiate such as the promptly current vehicle such as ambulance, fire fighting truck in real time,
Still can these vehicles that promptly pass through be carried out making a dash across the red light taking pictures, waste limited system resource, be that red light violation is investigated and prosecuted
Bring interference；Two is the red light violation detection typically simultaneously judging multiple tracks by the analysis of a width the image of crossing, real
On border, it is meaningless to the current information of vehicles detection allowing current track, is also equally to waste system resource.
Accordingly, it would be desirable to a kind of vehicles running red light information intelligent acquisition method, it is possible to increase vehicles running red light information gathering
The utilization rate of the e-sourcing of system, and in real time floor complete to the vehicle that promptly passes through go disturb, ensureing letter
While the accuracy of breath collection, improve intelligence degree and the work efficiency of acquisition system.
Content of the invention
In order to solve the above problems, the invention provides a kind of vehicles running red light information intelligent acquisition method, using pre-
The urgent removal by vehicle image template and image matching technology first storing promptly is adopted to vehicles running red light information by vehicle
The interference of collection, on the basis of real-time detection to current red light track, abandons green light track using data localized technology
Peccancy detection, only information gathering is carried out to the vehicles peccancy in red light track so that the vehicles running red light information gathering of the present invention more
Targetedly.
According to an aspect of the present invention, there is provided a kind of vehicles running red light information intelligent acquisition method, the method includes:
1) provide a kind of vehicles running red light information intelligent acquisition system, be arranged on the cross bar at signal lighties place, for gathering signal
The vehicles running red light information at the corresponding crossing of lamp, described acquisition system includes induction coil set, signal lamp state testing equipment, figure
As testing equipment and dsp processor, whether the track that described induction coil set is used for the corresponding crossing of induced signal lamp has vehicle
Pass through, described signal lamp state testing equipment is used for the current state of detection signal lamp, and described dsp processor is according to described sensing
The sensing result of coil set and the testing result of described signal lamp state testing equipment, control the figure of described image testing equipment
As collection and image processing operations are to obtain vehicles running red light information；2) it is acquired using described system.
More specifically, in described vehicles running red light information intelligent acquisition system, also including: oscillating circuit set, bag
Include multiple oscillating circuits, the quantity of oscillating circuit is identical with the track quantity at the corresponding crossing of signal lighties, multiple oscillating circuits and sense
Answer multiple induction coils in coil set to correspond, each oscillating circuit connects corresponding induction coil, lead to when there being vehicle
When crossing preset distance in front of the stop line of corresponding induction coil place track, corresponding induction coil and carbody produce mutual inductance, lead
Oscillating circuit frequency of oscillation is caused to change, on the contrary, when no vehicle passes through, oscillating circuit frequency of oscillation keeps constant；Frequency
Testing circuit, is connected respectively with multiple oscillating circuits of oscillating circuit set, detects that the frequency of oscillation of each oscillating circuit is
No change, and the track sequence number that the induction coil corresponding to oscillating circuit that frequency of oscillation is changed is located sends out
Go, the number order of described track sequence number is from left to right；Storage device, is used for prestoring two promptly by vehicle image
Template, described urgent be the image that benchmark is promptly shot in advance by vehicle by vehicle image template, described benchmark is urgent
By ambulance on the basis of vehicle or benchmark fire fighting truck, described storage device has also prestored track reference line upper limit gray scale threshold
Value, track reference line lower limit gray threshold, vehicle upper limit gray threshold and vehicle lower limit gray threshold, on the reference line of described track
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；Radio communication sets
Standby, for receiving one or more vehicles running red light information and by one or more of vehicles running red light information by channel radio
Letter link is sent to the server of local transit management platform, one or more of in order to the hard-disc storage of described server
Vehicles running red light information；Described induction coil set includes multiple induction coils, the quantity of induction coil road corresponding with signal lighties
The track quantity of mouth is identical, and multiple induction coils are corresponded with multiple tracks, and each induction coil is embedded in corresponding car
The lower section of preset distance in front of road stop line；Multiple signal lighties units of described signal lamp state testing equipment and signal lighties are respectively
Connect, the quantity of signal lighties unit is identical with the track quantity at the corresponding crossing of signal lighties, multiple signal lighties units and multiple tracks
Correspond, whether described signal lamp state testing equipment is currently red light output currently for red light according to multiple signal lighties units
Track corresponding to signal lighties unit track sequence number；Described dsp processor and described frequency detection circuit, described signal lighties shape
State testing equipment, described image testing equipment and described Wireless Telecom Equipment connect respectively, find described frequency detection circuit and
The numerical value identical track sequence number of described signal lamp state testing equipment all output is sent to described figure as identical track sequence number
As testing equipment, described dsp processor also receives one or more vehicles running red light information of described image testing equipment output,
And one or more of vehicles running red light information are transmitted to described Wireless Telecom Equipment；Described image testing equipment includes figure
As collecting unit, vehicle type recognition unit, wavelet filtering unit, gray processing processing unit, image segmentation unit and multiple simultaneously
Row graphics processing unit, the quantity of data localized unit is identical with the track quantity at the corresponding crossing of signal lighties, multiple parallel
Graphics processing unit sequence number is corresponded with multiple tracks, and described image collecting unit is connected with described dsp processor, for
Receive the image of crossing shooting preset distance in front of the corresponding crossing of signal lighties during identical track sequence number, described wavelet filtering unit
It is connected with described image collecting unit, for described the image of crossing is carried out by 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 storage device,
Vehicle pattern in described filtering image is promptly mated by vehicle image template one by one with described two, has that the match is successful
Output during vehicle image template of promptly passing through promptly pass through signals of vehicles, otherwise export non-emergent by signals of vehicles, described
Gray processing processing unit is connected with described vehicle type recognition unit, receive non-emergent by signals of vehicles when by described filter
Ripple image carries out gray processing process, to obtain gray level image, described image cutting unit and described gray processing processing unit, described
Wavelet filtering unit and described storage device connect respectively, by gray value in described gray level image in the described track reference line upper limit
Pixel between gray threshold and described track reference line lower limit gray threshold identifies and forms multiple tracks reference line subimage,
And described filtering image is divided into multiple tracks by the position in described gray level image based on multiple tracks reference line subimage
Filtering subimage, the quantity that described track filters subimage is identical with the track quantity at the corresponding crossing of signal lighties, the filter of multiple tracks
Marble image and multiple tracks one-to-one corresponding, each data localized unit and described image cutting unit, described storage
Equipment and described dsp processor connect, and it is right that each data localized unit exists in the identical track sequence number receiving
During the sequence number in the track answered, exit battery saving mode to start data localized, do not deposit in the identical track sequence number receiving
In the sequence number in corresponding track, enter battery saving mode, described data localized includes the track filtering receiving corresponding track
Subimage, the track receiving is filtered gray value in subimage grey in described vehicle upper limit gray threshold and described vehicle lower limit
Pixel between degree threshold value identifies and forms vehicle subimage, identifies the license board information in described vehicle subimage, and will correspond to
The track sequence number in track and the license board information recognizing combine using as vehicles running red light information output；Wherein, described channel radio
Letter link is one of 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 collecting unit includes
Cmos vision sensor.
More specifically, in described vehicles running red light information intelligent acquisition system: described image collecting unit also includes
Camera lens and optical filter, described optical filter is located in front of camera lens, and described camera lens is located in front of described cmos vision sensor.
More specifically, in described vehicles running red light information intelligent acquisition system: described cmos vision sensor is height
Clear 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 includes brightness
Testing equipment, for detecting the ambient brightness of described acquisition system surrounding；Floor light light source, positioned at described image detection
Above the image acquisition units of equipment, it is connected with described brightness testing equipment, determine whether for described based on described ambient brightness
The shooting provided auxiliary illumination of image acquisition units.
Brief description
Below with reference to accompanying drawing, embodiment of the present invention is described, wherein:
Fig. 1 is the structure square frame of the vehicles running red light information intelligent acquisition system according to embodiment of the present invention
Figure.
Fig. 2 is that the image detection of the vehicles running red light information intelligent acquisition system according to embodiment of the present invention sets
Standby block diagram.
Specific embodiment
Below with reference to accompanying drawings the embodiment of the vehicles running red light information intelligent acquisition system of the present invention is carried out in detail
Describe in detail bright.
Make a dash across the red light and refer to motor vehicles and red light violated on the intersection that signal controls and section no through traffic regulation,
Cross stop line and continue the behavior travelling.
Making a dash across the red light can be so that following untoward reaction in driver: when 1, making a dash across the red light, the attention of driver is all believed in traffic
It is impossible to perceive the change outside in-car comprehensively and correctly on signal lamp, bring difficulty to the reaction and measure of driver；2nd, make a dash across the red light
When, the speed all ratios generally passing through crossing are very fast, reduce the cognitive competence to space for the driver；When the 3rd, making a dash across the red light, driver
The judgement of all kinds of traffic environments is declined, makes the thinking of driver judge or operate to make a fault sometimes；4th, crossing is
The point of traffic flow and conflict point, the insecurity increasing point and conflict point itself of making a dash across the red light, lead to safety coefficient
Decline；5th, make a dash across the red light impact driver in time, accurately and efficiently operating and controlling vehicle；6th, making a dash across the red light affects the safety of vehicle
Can, also reduce strain reflection ability and the strain disposing capacity of other traffic participants simultaneously；7th, facts have proved 9 percent
Ten particularly serious vehicle accident all occurs in intersection, and therefore the damage sequence caused by making a dash across the red light generally all compares sternly
Weight；8th, under traffic lights, unconsciousization of driver such as occurs, then there is extreme hazardness.
In order to suppress this violation phenomenon that makes a dash across the red light, it is to avoid severe traffic accidents occur, need real-time acquisition is made a dash across the red light
The information of vehicle is punished severely with the holder to vehicles running red light.Existing vehicles running red light information acquisition system cannot remove
The interference that the vehicle that promptly passes through brings, 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, and described acquisition system is built in signal lighties
On the cross bar being located, for gathering the vehicles running red light information at the corresponding crossing of signal lighties, by including image recognition, image
Join, image acquisition, image filtering, image gray processing are processed and the multinomial image processing techniquess such as image segmentation, effectively and rationally
Complete the collection of vehicles running red light information, the structure of whole acquisition system is compacter.
Fig. 1 is the structure square frame of the vehicles running red light information intelligent acquisition system according to embodiment of the present invention
Figure, described acquisition system is arranged on the cross bar at signal lighties place, for gathering the vehicles running red light letter at the corresponding crossing of signal lighties
Breath, described acquisition system include frequency detection circuit 1, oscillating circuit set 2, induction coil set 3, signal lamp state detection set
Standby 4, image detecting apparatus 5, storage device 6, Wireless Telecom Equipment 7 and dsp processor 8, dsp processor 8 and frequency detecting electricity
Road 1, signal lamp state testing equipment 4, image detecting apparatus 5, storage device 6 and Wireless Telecom Equipment 7 connect respectively, vibration electricity
Road set 2 is connected respectively with frequency detection circuit 1 and induction coil set 3.
Wherein, whether described induction coil set 3 has vehicle to pass through for the track at the corresponding crossing of induced signal lamp, described
Signal lamp state testing equipment 4 is used for the current state of detection signal lamp, and described dsp processor 8 is according to described induction coil collection
Close 3 sensing result and the testing result of described signal lamp state testing equipment 4, control the image of described image testing equipment 5
Collection and image processing operations are to obtain vehicles running red light information.
Then, continue the concrete structure of the vehicles running red light information intelligent acquisition system of the present invention is carried out further
Explanation.
Described oscillating circuit set 2 includes multiple oscillating circuits, the car at the quantity of oscillating circuit crossing corresponding with signal lighties
Road quantity is identical, and multiple oscillating circuits are corresponded with induction coils multiple in induction coil set 3, and each oscillating circuit is even
Connect corresponding induction coil, when there being vehicle to pass through preset distance in front of the stop line of corresponding induction coil place track, corresponding sense
Answer coil to produce mutual inductance with carbody, lead to oscillating circuit frequency of oscillation to change, on the contrary, when no vehicle passes through, shake
Swing circuit oscillation frequency and keep constant.
Frequency detection circuit 1 is connected respectively with multiple oscillating circuits of oscillating circuit set 2, detects each oscillating circuit
Frequency of oscillation whether change, and the car that the induction coil corresponding to oscillating circuit that frequency of oscillation is changed is located
Road sequence number sends, and the number order of described track sequence number is from left to right.
Storage device 6 is used for prestoring two and promptly passes through vehicle image template, described promptly passes through vehicle image mould
Plate is the image that benchmark is promptly shot in advance by vehicle, and described benchmark is promptly disappeared by ambulance on the basis of vehicle or benchmark
Anti- car, described storage device 6 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 is used for the track reference line in image and background separation, described vehicle upper limit gray threshold and described vehicle
Lower limit gray threshold is used for the vehicle in image and background separation.
Wireless Telecom Equipment 7 is used for receiving one or more vehicles running red light information and making a dash across the red light one or more of
Information of vehicles is sent to the server of local transit management platform by wireless communication link, in order to the hard disk of described server
Store one or more of vehicles running red light information.
Described induction coil set 3 includes multiple induction coils, the car at the quantity of induction coil crossing corresponding with signal lighties
Road quantity is identical, and multiple induction coils are corresponded with multiple tracks, and each induction coil is embedded in corresponding track and stops
The lower section of preset distance in front of line.
Described signal lamp state testing equipment 4 is connected respectively with multiple signal lighties units of signal lighties, signal lighties unit
Quantity is identical with the track quantity at the corresponding crossing of signal lighties, and multiple signal lighties units are corresponded with multiple tracks, described signal
Whether lamp condition detecting device 4 is currently that red light output is currently right for the signal lighties unit of red light according to multiple signal lighties units
Answer the track sequence number in track.
Described dsp processor 8 and described frequency detection circuit 1, described signal lamp state testing equipment 4, described image inspection
Measurement equipment 5 and described Wireless Telecom Equipment 7 connect respectively, find described frequency detection circuit 1 and the detection of described signal lamp state
The numerical value identical track sequence number of equipment 4 all output is sent to described image testing equipment 5 as identical track sequence number, described
Dsp processor 8 also receives one or more vehicles running red light information of described image testing equipment 5 output, and will be one
Or multiple vehicles running red light information is transmitted to described Wireless Telecom Equipment 7.
As shown in Fig. 2 described image testing equipment 5 includes image acquisition units 51, vehicle type recognition unit 53, small echo
Filter unit 52, gray processing processing unit 54, image segmentation unit 56 and multiple data localized unit 55, multiple parallel figures
As processing unit is n, n is identical with the track quantity at the corresponding crossing of signal lighties, multiple data localized unit 55 sequence numbers and
Multiple tracks correspond.
In described image testing equipment 5, described image collecting unit 51 is connected with described dsp processor, for connecing
Receive the image of crossing shooting preset distance in front of the corresponding crossing of signal lighties during identical track sequence number, described wavelet filtering unit 52
It is connected with described image collecting unit 51, for being carried out described the image of crossing at wavelet filtering based on Haar wavelet transform wave filter
Reason, to obtain filtering image, described vehicle type recognition unit 53 is divided with described wavelet filtering unit 52 and described storage device
Do not connect, the vehicle pattern in described filtering image is promptly mated by vehicle image template one by one with described two, exists
The match is successful promptly passes through output during vehicle image template and promptly passes through signals of vehicles, otherwise exports and non-emergent is believed by vehicle
Number, described gray processing processing unit 54 is connected with described vehicle type recognition unit 53, non-emergent is believed by vehicle receiving
Number when described filtering image is carried out gray processing process, to obtain gray level image, described image cutting unit 56 and described gray scale
Change processing unit 54, described wavelet filtering unit 52 and described storage device to connect respectively, by gray value in described gray level image
Pixel between described track reference line upper limit gray threshold and described track reference line lower limit gray threshold identifies and forms
Multiple tracks reference line subimage, and based on position in described gray level image for multiple tracks reference line subimage by described filter
Ripple image division is that multiple tracks filter subimage, and described track filters the track at the quantity crossing corresponding with signal lighties of subimage
Quantity is identical, and multiple track filtering subimages are corresponded with multiple tracks.
At each data localized unit 55 and described image cutting unit 56, described storage device and described dsp
Reason device connects, and each data localized unit 55 has the sequence number in corresponding track in the identical track sequence number receiving
When, exit battery saving mode to start data localized, in the identical track sequence number receiving, there is not corresponding track
During sequence number, enter battery saving mode, described data localized includes the track filtering subimage receiving corresponding track, will receive
Track filtering subimage in picture between described vehicle upper limit gray threshold and described vehicle lower limit gray threshold for the gray value
Element identifies and forms vehicle subimage, identifies the license board information in described vehicle subimage, and the track sequence number by corresponding track
Combine with the license board information recognizing using as vehicles running red light information output.
Wherein, described wireless communication link is gprs mobile communication link, 3g mobile communication link or 4g mobile communication chain
One of road.
Wherein, described image collecting unit 51 can include cmos vision sensor, and described image collecting unit 51 also may be used
To include camera lens and optical filter, described optical filter is located in front of camera lens, and described camera lens is located in front of described cmos vision sensor,
Described cmos vision sensor is high definition vision sensor, and the resolution of employing is 1920 × 1080；Described acquisition system also may be used
To include brightness testing equipment, for detecting the ambient brightness of described acquisition system surrounding, including floor light light source, position
Above the image acquisition units 51 of described image testing equipment 5, it is connected with described brightness testing equipment, bright based on described environment
Degree determines whether the shooting provided auxiliary illumination for described image collecting unit 51.
In addition, cmos (complementary metal-oxide-semiconductor), Chinese scientific name is complementary metal
Oxide semiconductor, he is originally a kind of important chip in computer system, saves the most basic data of System guides.cmos
Manufacturing technology and general computer chip do not have difference, mainly use silicon and germanium both elements made partly leads
Body is so as to co-exist the quasiconductor with n (band-electricity) and p (band+electricity) level, electricity produced by this two complementary effects on cmos
Stream can be processed chip record and be interpreted to image.Found that cmos can also be used as the figure in digital photography through processing later
As sensor.
For the portable use independent of electrical network, the cmos technology famous with low power consumption characteristic have one bright
Aobvious advantage: cmos imageing sensor designs for 5v and 3.3v supply voltage.And ccd chip then needs about 12v
Supply voltage, therefore have to using an electric pressure converter, thus lead to power consumption increase.In terms of total power consumption, control
It is integrated into systemic-function and another benefit in cmos sensor, will be brought: he eliminates all outer with other semiconductor elements
Portion's connecting line.Nowadays the driver of its high power consumption is abandoned, this is because being communicated consumed energy in chip internal
More much lower than by the outside implementation of pcb or substrate.
Cmos sensor also can be subdivided into passive type element sensor (passive pixel sensor cmos) and active
Formula element sensor (active pixel sensor cmos).
Passive type element sensor (passive pixel sensor, abbreviation pps), is passive type element sensor again,
He is made up of a back-biased light sensitive diode and a switching tube.Light sensitive diode is substantially one is partly led by p-type
Body and the pn-junction of n-type semiconductor composition, he can be equivalent to a back-biased diode and a mos electric capacity is in parallel.When opening
When closing pipe unlatching, light sensitive diode is connected with vertical alignment (column bus).Charge integration positioned at alignment end amplifies
Device reading circuit (charge integrating amplifier) holding column line voltage is a constant, when light sensitive diode storage
Signal charge when being read, its voltage is reset to column line voltage level, meanwhile, the electric charge that is directly proportional to optical signal by
Charge integration amplifier is converted to electric charge output.
Active pixel sensor (active pixel sensor, abbreviation aps), is active element sensor again.Several
While cmos pps dot structure is invented, it is rapidly be recognized that introducing buffer or amplifier can change in pixel
The performance of kind pixel, has the amplifier of oneself in each pixel in cmos aps.The amplifying transistor being integrated in surface subtracts
Lack the effective surface area of pixel element, reduced " packaging density ", so that 40%～50% incident illumination is reflected.This sensing
Another problem of device is that have preferable coupling between the multichannel amplifier how making sensor, and this can be residual by reducing
The fixed pattern noise of remaining level is preferably realized.Quilt during being read due to the only here of each amplifier in cmos aps pixel
Excite, so the power dissipation ratio ccd imageing sensor of cmos aps is also little.
Using the vehicles running red light information intelligent acquisition system of the present invention, for existing vehicles running red light information gathering system
System is likely to occur by mistake collection and the not compact technical problem of system, by a series of image procossing, it is to avoid allow interim
Current promptly pass through the vehicle such as ambulance, fire fighting truck that make a dash across the red light is gathered by mistake, meanwhile, only carries out information of vehicles to red light passage
Collection, improves reliability and the intelligent level of system.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-described embodiment being not used to
Limit the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit,
The technology contents that the disclosure above all can be utilized are made many possible variations and modification, or are revised as to technical solution of the present invention
Equivalent embodiments with change.Therefore, every content without departing from technical solution of the present invention, according to the technical spirit pair of the present invention
Any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the scope of technical solution of the present invention protection
Interior.
Claims (1)
1. a kind of vehicles running red light information intelligent acquisition method, the method includes:
1) provide a kind of vehicles running red light information intelligent acquisition system, be arranged on the cross bar at signal lighties place, for gathering
The vehicles running red light information at the corresponding crossing of signal lighties, described acquisition system includes induction coil set, signal lamp state detection sets
Standby, image detecting apparatus and dsp processor, whether the track that described induction coil set is used for the corresponding crossing of induced signal lamp has
Vehicle passes through, and described signal lamp state testing equipment is used for the current state of detection signal lamp, and described dsp processor is according to described
The sensing result of induction coil set and the testing result of described signal lamp state testing equipment, control described image testing equipment
Image acquisition and image processing operations to obtain vehicles running red light information；
2) it is acquired using described system；
It is characterized in that, described acquisition system also includes:
Oscillating circuit set, including multiple oscillating circuits, the track quantity phase at the quantity of oscillating circuit crossing corresponding with signal lighties
With multiple oscillating circuits are corresponded with induction coils multiple in induction coil set, and each oscillating circuit connects corresponding
Induction coil, when there being vehicle to pass through preset distance in front of the stop line of corresponding induction coil place track, corresponding induction coil with
Carbody produces mutual inductance, leads to oscillating circuit frequency of oscillation to change, on the contrary, when no vehicle passes through, oscillating circuit shakes
Swing frequency and keep constant；
Frequency detection circuit, is connected respectively with multiple oscillating circuits of oscillating circuit set, detects shaking of each oscillating circuit
Swing whether frequency changes, and the track sequence that the induction coil corresponding to oscillating circuit that frequency of oscillation is changed is located
Number send, the number order of described track sequence number is from left to right；
Storage device, is used for prestoring two and promptly passes through vehicle image template, described by vehicle image template is promptly
The image that benchmark is promptly shot in advance by vehicle, described benchmark promptly passes through ambulance or benchmark fire-fighting on the basis of vehicle
Car, described storage 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 is used for the track reference line in image and background separation, described vehicle upper limit gray threshold and described vehicle lower limit
Gray threshold is used for the vehicle in image and background separation；
Wireless Telecom Equipment, for receiving one or more vehicles running red light information and by one or more of vehicles running red lights
Information is sent to the server of local transit management platform by wireless communication link, in order to the hard-disc storage of described server
One or more of vehicles running red light information；
Described induction coil set includes multiple induction coils, the track quantity at the quantity of induction coil crossing corresponding with signal lighties
Identical, multiple induction coils are corresponded with multiple tracks, and each induction coil is embedded in front of the stop line of corresponding track
The lower section of preset distance；
Described signal lamp state testing equipment is connected respectively with multiple signal lighties units of signal lighties, the quantity of signal lighties unit with
The track quantity at the corresponding crossing of signal lighties is identical, and multiple signal lighties units are corresponded with multiple tracks, described signal lamp state
Whether testing equipment is currently the track corresponding to signal lighties unit that red light output is currently red light according to multiple signal lighties units
Track sequence number；
Described dsp processor and described frequency detection circuit, described signal lamp state testing equipment, described image testing equipment and
Described Wireless Telecom Equipment connects respectively, finds described frequency detection circuit and all output of described signal lamp state testing equipment
Numerical value identical track sequence number is sent to described image testing equipment as identical track sequence number, and described dsp processor also receives
One or more vehicles running red light information of described image testing equipment output, and one or more of vehicles running red lights are believed
Breath is transmitted to described Wireless Telecom Equipment；
Described image testing equipment includes image acquisition units, vehicle type recognition unit, wavelet filtering unit, gray processing process
Unit, image segmentation unit and multiple data localized unit, the quantity of data localized unit road corresponding with signal lighties
The track quantity of mouth is identical, and multiple data localized unit numbers are corresponded with multiple tracks, described image collecting unit
It is connected with described dsp processor, for shooting preset distance in front of the corresponding crossing of signal lighties when receiving identical track sequence number
The image of crossing, described wavelet filtering unit is connected with described image collecting unit, for based on Haar wavelet transform wave filter by institute
State the image of crossing and carry out wavelet filtering process, to obtain filtering image, described vehicle type recognition unit and described wavelet filtering
Unit and described storage device connect respectively, and the vehicle pattern in described filtering image is promptly passed through vehicle figure with described two
As template is mated one by one, there is output during vehicle image template of promptly passing through that the match is successful and promptly pass through signals of vehicles, otherwise
Output non-emergent by signals of vehicles, described gray processing processing unit is connected with described vehicle type recognition unit, is receiving
Non-emergent by described filtering image being carried out gray processing process during signals of vehicles, to obtain gray level image, described image is split
Unit is connected respectively with described gray processing processing unit, described wavelet filtering unit and described storage device, by described gray-scale maps
Pixel between described track reference line upper limit gray threshold and described track reference line lower limit gray threshold for the gray value in picture
Identify and form multiple tracks reference line subimage, and the position in described gray level image based on multiple tracks reference line subimage
Put and described filtering image is divided into multiple track filtering subimages, the quantity that described track filters subimage is corresponding with signal lighties
The track quantity at crossing is identical, and multiple track filtering subimages are corresponded with multiple tracks, each data localized list
Unit is connected with described image cutting unit, described storage device and described dsp processor, and each data localized unit exists
Exist in the identical track sequence number receiving corresponding track sequence number when, exit battery saving mode to start data localized,
The identical track sequence number receiving does not exist corresponding track sequence number when, enter battery saving mode, at described parallel image
Reason includes the track filtering subimage receiving corresponding track, by gray value in the track receiving filtering subimage in described vehicle
Pixel between upper limit gray threshold and described vehicle lower limit gray threshold identifies and forms vehicle subimage, identifies described vehicle
License board information in subimage, and the track sequence number in corresponding track and the license board information recognizing are combined using as the car that makes a dash across the red light
Information output；
Wherein, described wireless communication link is in gprs mobile communication link, 3g mobile communication link or 4g mobile communication link
One kind,
Described image collecting unit includes cmos vision sensor,
Described image collecting unit also includes camera lens and optical filter, and described optical filter is located in front of camera lens, and described camera lens is located at institute
State in front of cmos vision sensor.
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| CN201510574646.5A CN105303841B (en) | 2015-03-08 | 2015-03-08 | Method for intelligently collecting information of vehicle running red light |
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| 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 Active CN104616504B (en) | 2015-03-08 | 2015-03-08 | A kind of vehicles running red light information intelligent acquisition method |
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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 |
| CN108806265B (en) * | 2018-01-30 | 2020-10-30 | 胡海明 | License plate search-based violation detection system |
| 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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| CN101751783A (en) * | 2008-12-02 | 2010-06-23 | 无锡市恒通智能交通设施有限公司 | Automatic recording system for vehicles running red light |
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| US20040051651A1 (en) * | 2002-09-12 | 2004-03-18 | Greg Carter | Traffic light signal monitoring system |
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- 2015-03-08 CN CN201510574646.5A patent/CN105303841B/en not_active Expired - Fee Related
- 2015-03-08 CN CN201510101042.9A patent/CN104616504B/en active Active
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| CN101178852A (en) * | 2006-11-07 | 2008-05-14 | 奥城同立科技开发（北京）有限公司 | Traffic roads image side direction grasp shooting method and traffic roads image side direction grasp shoot electronic policeman system |
| CN101751783A (en) * | 2008-12-02 | 2010-06-23 | 无锡市恒通智能交通设施有限公司 | Automatic recording system for vehicles running red light |
| CN101877168A (en) * | 2009-04-29 | 2010-11-03 | 上海宝康电子控制工程有限公司 | Wireless DSP electronic policeman system for standard definition for running red light |
| CN102110369A (en) * | 2010-12-21 | 2011-06-29 | 汉王科技股份有限公司 | Jaywalking snapshot method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104616504B (en) | 2016-08-24 |
| CN105303841A (en) | 2016-02-03 |
| CN105303840A (en) | 2016-02-03 |
| CN104616504A (en) | 2015-05-13 |
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