CN109325409A - Passing vehicle deck verifying bench - Google Patents
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- CN109325409A CN109325409A CN201810925600.7A CN201810925600A CN109325409A CN 109325409 A CN109325409 A CN 109325409A CN 201810925600 A CN201810925600 A CN 201810925600A CN 109325409 A CN109325409 A CN 109325409A
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- 238000007689 inspection Methods 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000003909 pattern recognition Methods 0.000 claims abstract description 4
- 230000010349 pulsation Effects 0.000 claims description 33
- 238000001914 filtration Methods 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 15
- 230000011218 segmentation Effects 0.000 claims description 6
- 210000001367 artery Anatomy 0.000 claims description 4
- 210000003462 vein Anatomy 0.000 claims description 4
- 238000010191 image analysis Methods 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 210000000352 storage cell Anatomy 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/54—Surveillance or monitoring of activities, e.g. for recognising suspicious objects of traffic, e.g. cars on the road, trains or boats
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/26—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion
- G06V10/267—Segmentation of patterns in the image field; Cutting or merging of image elements to establish the pattern region, e.g. clustering-based techniques; Detection of occlusion by performing operations on regions, e.g. growing, shrinking or watersheds
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/63—Scene text, e.g. street names
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/625—License plates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/08—Detecting or categorising vehicles
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- Bioinformatics & Cheminformatics (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to a kind of passing vehicle deck verifying benches, include: inspection window body case, closes transparent glass structure for a U-shaped, the lower section of traffic indicator is set, for being packaged for the electronic equipment of Vehicle inspection, each traffic indicator is separately positioned on each road middle section；The license plate number in inspection window body case, for the vehicle based on image recognition pattern-recognition below is arranged in car license recognition equipment；Vehicle extract equipment is arranged in inspection window body case, connect with the car license recognition equipment, and corresponding vehicle model is searched out from network for receiving the license plate number, and based on the license plate number；The setting position of traffic indicator is arranged in engine sound identification apparatus, when the amplitude for the car engine sound in ambient sound is more than default amplitude, issues trigger collection signal.Through the invention, the deck detection to vehicular traffic is realized.
Description
Technical field
The present invention relates to intelligent transportation field more particularly to a kind of passing vehicle deck verifying benches.
Background technique
Intelligent transportation has the characteristics that following two: first is that being conceived to the extensive use and service of traffic information, second is that having in mind
In the operational efficiency for improving existing means of transportation.
Compared with general technology system, the globality during Intelligent Transport Systems Construction requires stringenter.It is this whole
Body is embodied in:
(1) inter-trade feature.Intelligent Transport Systems Construction is related to numerous industry fields, is that the complexity of social wide participation is huge
Type system engineering, to cause coordination problem between complicated industry.
(2) technical field feature.Intelligent transportation system combines traffic engineering, information engineering, control engineering, communication skill
The achievement of numerous scientific domains such as art, computer technology, needs the technical staff of various fields to cooperate jointly.
(3) government, enterprise, R&D institution and institution of higher learning participate in jointly, and appropriate role positioning and task sharing are to be
The important prerequisite condition that system is effectively unfolded.
(4) intelligent transportation system will be mainly by generation informations such as mobile communication, broadband networks, RFID, sensor, cloud computings
Technology supports, and more meets the application demand of people, and trusted degree improves and becomes " ubiquitous ".
Summary of the invention
In order to solve that the technical issues of automatic fake-licensed car detects can not be carried out to by vehicle in the prior art, the present invention is mentioned
A kind of passing vehicle deck verifying bench is supplied.
The present invention at least has the important inventive point of following two:
(1) using the Vehicle inspection forms of U-shaped closing transparent glass structure, various customizations is inside set and examine equipment to logical every time
The vehicle crossed carries out the vehicle's contour detection of automatic mode, improves the efficiency of Vehicle inspection；
(2) impulse disturbances in image and interference of pulsing are identified respectively, it is each in described image to obtain respectively
Each pulsation interference signal in a pulse interference signal and described image, to the amplitude of above-mentioned interference signal be compared with for
The filtering mechanism that described image selection is adapted with picture material, to prevent image filtering to be lack of pertinence.
According to an aspect of the present invention, a kind of passing vehicle deck verifying bench is provided, the platform includes:
Inspection window body case closes transparent glass structure for a U-shaped, the lower section of traffic indicator is arranged in, for encapsulating
For the electronic equipment of Vehicle inspection, each traffic indicator is separately positioned on each road middle section；Car license recognition equipment, setting
License plate number in inspection window body case, for the vehicle based on image recognition pattern-recognition below.
More specifically, in the passing vehicle deck verifying bench, further includes:
Vehicle extract equipment is arranged in inspection window body case, connect with the car license recognition equipment, described for receiving
License plate number, and corresponding vehicle model is searched out from network based on the license plate number；Engine sound identification apparatus, setting exist
The setting position of traffic indicator, the amplitude of the car engine sound for incuding ambient sound, and in ambient sound are more than pre-
If when amplitude, issuing trigger collection signal.
More specifically, in the passing vehicle deck verifying bench, further includes:
Lower section acquires equipment, is arranged in inspection window body case, the side of the engine sound identification apparatus is arranged in, is used for
When receiving the trigger collection signal, image data acquiring is carried out to vehicle below, to obtain corresponding lower section vehicle
Image；Image analysis equipment is connect, for receiving the lower section vehicle image, under described with lower section acquisition equipment
Impulse disturbances and pulsation interference in square vehicle image are identified respectively, each in the lower section vehicle image to obtain respectively
Each pulsation interference signal in a pulse interference signal and the lower section vehicle image.
More specifically, in the passing vehicle deck verifying bench, further includes:
Reference value extract equipment is connect with described image analytical equipment, each in the lower section vehicle image for receiving
Each pulsation interference signal in a pulse interference signal and the lower section vehicle image, and determine in the lower section vehicle image
Each pulse interference signal each amplitude in maximum value using as impulse disturbances reference value, and determine the lower section vehicle
Maximum value in each amplitude of each pulsation interference signal in image is to interfere reference value as pulsation；Switching control is set
It is standby, it is connect with the reference value extract equipment, for being more than or equal to pulsation interference reference in the impulse disturbances reference value
When value, the first trigger signal is issued, and is also used to when the impulse disturbances reference value is less than pulsation interference reference value,
Issue the second trigger signal；Pulse eliminating equipment is connect with described image analytical equipment and the switch device respectively, is used
In when receiving first trigger signal, start the following processing to each pixel in the lower section vehicle image:
Using each pixel in the lower section vehicle image as processing pixel, is determined and executed based on the impulse disturbances reference value
The area of the filter window of median filtering is filtered place using pixel value of the filter window to the processing pixel
Reason；The pulse eliminating equipment is also used to the filtering processing based on the pixel value of each pixel in the lower section vehicle image
As a result corresponding first filtering image is exported；Pulse eliminating equipment, respectively with described image analytical equipment and the switching control
Equipment connection, for starting the weighted mean filter to the lower section vehicle image when receiving first trigger signal
Processing, to obtain and export corresponding second filtering image；Image sink devices, respectively with the pulse eliminating equipment and described
Eliminating equipment of pulsing connects, for scheming by first filtering image or second filtering image, and by first filtering
Picture or second filtering image are exported as the corresponding image that collects of the lower section vehicle image；Power supply equipment, respectively
It is connect with the switch device, the pulse eliminating equipment and the pulsation eliminating equipment；Contours segmentation equipment, setting exist
In inspection window body case, connect with described image sink devices, for receive it is described collect image, based on default car body gray scale point
Cloth range from it is described collect each car body pixel is extracted in image, the car body wheel that each car body pixel is fitted to
Wide subgraph from it is described collect in image split；Consistency check equipment, be arranged in inspection window body case, respectively with institute
It states vehicle extract equipment to connect with the contours segmentation equipment, the vehicle model for being exported based on the vehicle extract equipment is obtained
Take corresponding standard car body pattern, the standard car body pattern matched with the car body profile subgraph, when matching at
When function, issues profile and pass through signal；Wherein, it in the consistency check equipment, when matching unsuccessful, issues profile and does not lead to
Cross signal.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structure that equipment is acquired according to the lower section of the passing vehicle deck verifying bench shown in embodiment of the present invention
Schematic diagram.
Specific embodiment
The embodiment of passing vehicle deck verifying bench of the invention is described in detail below with reference to accompanying drawings.
Intelligent transportation is established on the basis of perfect information network.Traffic participant by equipment on road, Che Shang,
On transfer stop, on parking lot and the sensor and transmission device of Meteorological Center, the real-time of various regions is provided to traffic information center
Traffic information；After ATIS obtains these information and passes through processing, Traffic Information, public friendship are provided to traffic participant in real time
Communication breath, transfer information, traffic weather information, parking lot information and other information relevant to trip；Traveler is according to this
A little information determine the trip mode of oneself, selection route.Further, when being equipped with automatic positioning and navigation system on vehicle,
The system can help driver to automatically select travel route.
In order to overcome above-mentioned deficiency, the present invention has built a kind of passing vehicle deck verifying bench, can effectively solve the problem that phase
Answer technical problem.
Fig. 1 is the structure that equipment is acquired according to the lower section of the passing vehicle deck verifying bench shown in embodiment of the present invention
Schematic diagram.Wherein, 1 is control panel, and 2 be closed downwards shell, and 3 close shell for top, and 4 be connector.
The passing vehicle deck verifying bench shown according to an embodiment of the present invention includes:
Inspection window body case closes transparent glass structure for a U-shaped, the lower section of traffic indicator is arranged in, for encapsulating
For the electronic equipment of Vehicle inspection, each traffic indicator is separately positioned on each road middle section；
Car license recognition equipment is arranged in inspection window body case, for the vehicle based on image recognition pattern-recognition below
License plate number.
Then, continue that the specific structure of passing vehicle deck verifying bench of the invention is further detailed.
In the passing vehicle deck verifying bench, further includes:
Vehicle extract equipment is arranged in inspection window body case, connect with the car license recognition equipment, described for receiving
License plate number, and corresponding vehicle model is searched out from network based on the license plate number；
The setting position of traffic indicator is arranged in engine sound identification apparatus, for incuding ambient sound, and the sound around
When the amplitude of car engine sound in sound is more than default amplitude, trigger collection signal is issued.
In the passing vehicle deck verifying bench, further includes:
Lower section acquires equipment, is arranged in inspection window body case, the side of the engine sound identification apparatus is arranged in, is used for
When receiving the trigger collection signal, image data acquiring is carried out to vehicle below, to obtain corresponding lower section vehicle
Image；
Image analysis equipment is connect, for receiving the lower section vehicle image, under described with lower section acquisition equipment
Impulse disturbances and pulsation interference in square vehicle image are identified respectively, each in the lower section vehicle image to obtain respectively
Each pulsation interference signal in a pulse interference signal and the lower section vehicle image.
In the passing vehicle deck verifying bench, further includes:
Reference value extract equipment is connect with described image analytical equipment, each in the lower section vehicle image for receiving
Each pulsation interference signal in a pulse interference signal and the lower section vehicle image, and determine in the lower section vehicle image
Each pulse interference signal each amplitude in maximum value using as impulse disturbances reference value, and determine the lower section vehicle
Maximum value in each amplitude of each pulsation interference signal in image is to interfere reference value as pulsation；
Switch device is connect with the reference value extract equipment, be used to be greater than in the impulse disturbances reference value etc.
When reference value is interfered in the pulsation, the first trigger signal is issued, and is also used to be less than institute in the impulse disturbances reference value
When stating pulsation interference reference value, the second trigger signal is issued；
Pulse eliminating equipment is connect with described image analytical equipment and the switch device respectively, for receiving
When to first trigger signal, start the following processing to each pixel in the lower section vehicle image: under described
Each pixel is determined based on the impulse disturbances reference value as processing pixel and executes median filtering in square vehicle image
Filter window area, using the filter window to it is described processing pixel pixel value be filtered；The arteries and veins
It rushes eliminating equipment and is also used to the filtering processing result output based on the pixel value of each pixel in the lower section vehicle image
Corresponding first filtering image；
Pulsation eliminating equipment, connect, for receiving respectively with described image analytical equipment and the switch device
When to first trigger signal, start and the weighted mean filter of the lower section vehicle image is handled, to obtain and output phase
The second filtering image answered；
Image sink devices are connect with the pulse eliminating equipment and the pulsation eliminating equipment respectively, and being used for will be described
First filtering image or second filtering image, and using first filtering image or second filtering image as described in
Lower section vehicle image is corresponding to collect image output；
Power supply equipment is set with the switch device, the pulse eliminating equipment and the pulsation removal respectively
Standby connection；
Contours segmentation equipment is arranged in inspection window body case, connect with described image sink devices, described for receiving
Collect image, based on default car body intensity profile range from it is described collect each car body pixel is extracted in image, will be described
The car body profile subgraph that each car body pixel is fitted to from it is described collect in image split；
Consistency check equipment, be arranged in inspection window body case, respectively with the vehicle extract equipment and the profile
Splitting equipment connection, the vehicle model for being exported based on the vehicle extract equipment obtain corresponding standard car body pattern, will
The standard car body pattern is matched with the car body profile subgraph, when successful match, is issued profile and is passed through signal；
Wherein, it in the consistency check equipment, when matching unsuccessful, issues profile and does not pass through signal.
In the passing vehicle deck verifying bench: the power supply equipment is receiving first trigger signal
When, the pulse eliminating equipment is controlled to make it into operational mode, controls the pulsation eliminating equipment to make it into suspend mode
Mode.
In the passing vehicle deck verifying bench: the power supply equipment is receiving second trigger signal
When, the pulsation eliminating equipment is controlled to make it into operational mode, controls the pulse eliminating equipment to make it into suspend mode
Mode.
In the passing vehicle deck verifying bench: in the pulse eliminating equipment, the impulse disturbances reference value
Bigger, the area of the filter window of the execution median filtering determined is bigger.
In the passing vehicle deck verifying bench: the engine sound identification apparatus is also used to the vehicle in ambient sound
When the amplitude of engine sound is less than or equal to the default amplitude, acquisition disable signal is issued.
In the passing vehicle deck verifying bench: the engine sound identification apparatus includes sound sensing unit, amplitude
Detection unit, data storage cell and signal transmitting unit.
In addition, the contours segmentation lectotype selection is GAL device.General array logic chip (Generic Array
Logic www.husoon.com) device be that LATTICE company in 1985 invents at first erasable remove, may be programmed, is settable
The PLD of encrypted bits.Representative GAL chip has GAL16V8, GAL20, both GAL can almost emulate all types
PAL device.In practical application, GAL device has 100% compatibility to PAL device simulation, so GAL almost can be complete
It instead of PAL device, and may replace most of SSI, MSI digital integrated electronic circuit, thus be widely applied.The maximum of GAL and PAL
The difference is that the export structure of GAL can be defined by the user, it is a kind of programmable export structure.
Using passing vehicle deck verifying bench of the invention, in the prior art can not be automatic to being carried out by vehicle
The technical issues of fake-licensed car detects inside is set various customization inspections and is set using the Vehicle inspection forms of U-shaped closing transparent glass structure
The standby vehicle's contour for carrying out automatic mode to the vehicle passed through every time detects, and improves the efficiency of Vehicle inspection；Particularly important
It is in specific image processing mode, the impulse disturbances in image and interference of pulsing to be identified respectively, to obtain respectively
Each pulse interference signal in described image and each pulsation interference signal in described image, to the width of above-mentioned interference signal
The filtering mechanism that value is compared to be adapted for described image selection with picture material, to prevent image filtering shortage to be directed to
Property；To solve above-mentioned technical problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (9)
1. a kind of passing vehicle deck verifying bench, which is characterized in that the platform includes:
Inspection window body case closes transparent glass structure for a U-shaped, the lower section of traffic indicator is arranged in, for being packaged for
The electronic equipment of Vehicle inspection, each traffic indicator are separately positioned on each road middle section；
Car license recognition equipment is arranged in inspection window body case, for the vehicle based on image recognition pattern-recognition below
License plate number.
2. passing vehicle deck verifying bench as described in claim 1, which is characterized in that the platform further include:
Vehicle extract equipment is arranged in inspection window body case, connect with the car license recognition equipment, for receiving the license plate
Number, and corresponding vehicle model is searched out from network based on the license plate number；
The setting position of traffic indicator is arranged in engine sound identification apparatus, for incuding ambient sound, and in ambient sound
The amplitude of car engine sound when being more than default amplitude, issue trigger collection signal.
3. passing vehicle deck verifying bench as claimed in claim 2, which is characterized in that the platform further include:
Lower section acquires equipment, is arranged in inspection window body case, the side of the engine sound identification apparatus is arranged in, for connecing
When receiving the trigger collection signal, image data acquiring is carried out to vehicle below, to obtain corresponding lower section vehicle figure
Picture；
Image analysis equipment is connect, for receiving the lower section vehicle image, to the lower section vehicle with lower section acquisition equipment
Impulse disturbances and pulsation interference in image are identified respectively, to obtain each arteries and veins in the lower section vehicle image respectively
Rush each pulsation interference signal in interference signal and the lower section vehicle image.
4. passing vehicle deck verifying bench as claimed in claim 3, which is characterized in that the platform further include:
Reference value extract equipment is connect with described image analytical equipment, for receiving each arteries and veins in the lower section vehicle image
Each pulsation interference signal in interference signal and the lower section vehicle image is rushed, and is determined each in the lower section vehicle image
Maximum value in each amplitude of a pulse interference signal is using as impulse disturbances reference value, and determines the lower section vehicle figure
Maximum value in each amplitude of each pulsation interference signal as in is to interfere reference value as pulsation；
Switch device is connect with the reference value extract equipment, for being more than or equal to institute in the impulse disturbances reference value
When stating pulsation interference reference value, the first trigger signal is issued, and is also used to be less than the arteries and veins in the impulse disturbances reference value
When dynamic interference reference value, the second trigger signal is issued；
Pulse eliminating equipment is connect, for receiving respectively with described image analytical equipment and the switch device
When stating the first trigger signal, start the following processing to each pixel in the lower section vehicle image: by the lower section vehicle
Each pixel determines the filter for executing median filtering based on the impulse disturbances reference value as processing pixel in image
The area of wave window is filtered using pixel value of the filter window to the processing pixel；The pulse is gone
Except equipment is also used to answer based on the filtering processing result output phase of the pixel value of each pixel in the lower section vehicle image
The first filtering image；
Pulsation eliminating equipment, connect, for receiving respectively with described image analytical equipment and the switch device
When stating the first trigger signal, starts and the weighted mean filter of the lower section vehicle image is handled, it is corresponding to obtain and export
Second filtering image；
Image sink devices are connect with the pulse eliminating equipment and the pulsation eliminating equipment respectively, are used for described first
Filtering image or second filtering image, and using first filtering image or second filtering image as the lower section
Vehicle image is corresponding to collect image output；
Power supply equipment connects with the switch device, the pulse eliminating equipment and the pulsation eliminating equipment respectively
It connects；
Contours segmentation equipment is arranged in inspection window body case, connect with described image sink devices, for receiving described collect
Image, based on default car body intensity profile range from it is described collect each car body pixel is extracted in image, will be described each
The car body profile subgraph that car body pixel is fitted to from it is described collect in image split；
Consistency check equipment, be arranged in inspection window body case, respectively with the vehicle extract equipment and the contours segmentation
Equipment connection, the vehicle model for being exported based on the vehicle extract equipment obtain corresponding standard car body pattern, will be described
Standard car body pattern is matched with the car body profile subgraph, when successful match, is issued profile and is passed through signal；
Wherein, it in the consistency check equipment, when matching unsuccessful, issues profile and does not pass through signal.
5. passing vehicle deck verifying bench as claimed in claim 4, it is characterised in that:
The power supply equipment controls the pulse eliminating equipment when receiving first trigger signal to make it into
Operational mode controls the pulsation eliminating equipment to make it into suspend mode.
6. passing vehicle deck verifying bench as claimed in claim 5, it is characterised in that:
The power supply equipment controls the pulsation eliminating equipment when receiving second trigger signal to make it into
Operational mode controls the pulse eliminating equipment to make it into suspend mode.
7. passing vehicle deck verifying bench as claimed in claim 6, it is characterised in that:
In the pulse eliminating equipment, the impulse disturbances reference value is bigger, the filter window of the execution median filtering determined
Area it is bigger.
8. passing vehicle deck verifying bench as claimed in claim 7, it is characterised in that:
The amplitude that the engine sound identification apparatus is also used to the car engine sound in ambient sound is less than or equal to the default width
When value, acquisition disable signal is issued.
9. the passing vehicle deck verifying bench as described in claim 4-8 is any, it is characterised in that:
The engine sound identification apparatus includes that sound sensing unit, amplitude detection unit, data storage cell and signal send list
Member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810925600.7A CN109325409B (en) | 2018-08-15 | 2018-08-15 | Passing vehicle fake plate inspection platform |
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| CN201810925600.7A CN109325409B (en) | 2018-08-15 | 2018-08-15 | Passing vehicle fake plate inspection platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110474947A (en) * | 2019-03-27 | 2019-11-19 | 黄慧 | Block chain transaction processing system and method |
| CN110889964A (en) * | 2019-11-01 | 2020-03-17 | 北京智慧中网科技有限公司 | Fake-licensed vehicle accurate alarm system and method based on electronic license plate |
| CN111047857A (en) * | 2019-04-25 | 2020-04-21 | 泰州悦诚科技信息咨询中心 | Smart city real-time management and control system |
| CN111667699A (en) * | 2019-04-25 | 2020-09-15 | 泰州悦诚科技信息咨询中心 | Smart city real-time management and control method |
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