CN105608901B - Taxi information release method based on distribution box - Google Patents
Taxi information release method based on distribution box Download PDFInfo
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- CN105608901B CN105608901B CN201610180568.5A CN201610180568A CN105608901B CN 105608901 B CN105608901 B CN 105608901B CN 201610180568 A CN201610180568 A CN 201610180568A CN 105608901 B CN105608901 B CN 105608901B
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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
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to a taxi information release method based on a distribution box. The method comprises: 1) providing a taxi information release platform based on the distribution box, wherein the release platform comprises a distribution box main body, a taxi management device, as well as a distribution box communication device, a high-definition camera, a light intensity detector and an AVR32 chip which are arranged on the distribution box main body, the high-definition camera, the light intensity detector and the AVR32 chip cooperate and are used for detecting and outputting the quantity of pedestrians at a traffic intersection, the distribution box communication device is used for wirelessly forwarding the quantity of pedestrians at the traffic intersection to the taxi management device, and the taxi management device determines the passenger flow index of the traffic intersection based on the quantity of pedestrians at the traffic intersection; and 2) operating the release platform.
Description
Technical field
The present invention relates to distribution box field, more particularly, to a kind of taxi information publisher based on distribution box
Method.
Background technology
Distribution box, for by electrical wiring requirement by switchgear, measuring instrumentss, protection electrical equipment and auxiliary
Equipment is helped to be assembled in closing or semiclosed metal safe.When distribution box normally runs can by manually or from
Dynamic switch connection or disjunction circuit.By protection electrical equipment cut-out circuit or report when fault or irregular operating
Alert.Distribution box can show operating various parameters by means of measuring instrumentss, also some electric parameters can be entered
Row adjustment, is pointed out to deviation normal operating conditions or is sent signal.
Typically distribution box is all set at traffic intersection, the traffic lights for traffic intersection control, or
For the Street lamps control near traffic intersection it is also possible to be used for as the shooting violating the regulations near traffic intersection
Equipment, urban service equipment provide electric power support.But the work of traffic intersection distribution box of the prior art
With being only limitted to this, traffic intersection distribution box not yet occurs for providing passenger flow navigation Service for neighbouring taxi
Technical scheme.
In prior art, not existing for taxi driver provides the service platform of real-time passenger flow, by data
Gather the restriction of bottleneck, taxi driver may select real-time road instrument as reference, with every sometimes
The wagon flow quantity of one the intensive traffic section, as reference, judges stream of people's quantity of corresponding the intensive traffic section, this
There is certain drawback in mode：The judgement major part of the wagon flow quantity of the intensive traffic section in real-time road instrument
It is based on non-at-scene data, there is error with actual conditions；And using wagon flow quantity as reference
Judging stream of people's quantity, effect is not fine to mode.
Accordingly, it would be desirable to a kind of new taxi service platform, can make full use of at each traffic intersection
Distribution box so as to collection carrier as neighbouring communication equipment quantity, be the base near traffic intersection
The signal power stood controls provides strong data supporting, thus provide more economical for taxi driver
Benefit, also more goes out accommodating for city dweller's offer.
Content of the invention
In order to solve the above problems, the invention provides a kind of taxi information based on distribution box is issued and is put down
Platform, integrated stream of people's identification equipment and radio communication first on the distribution box of the traffic intersection of prior art
Equipment, to make full use of existing distribution box as data acquisition and communication terminal, is subsequently introduced taxi
Management equipment is to analyze the passenger flow situation near place, and passes through wireless communication link based on traffic intersection address
The passenger flow index of the traffic intersection address that the taxi wireless transmission near road direction traffic intersection address determines.
According to an aspect of the present invention, there is provided a kind of taxi information issuing method based on distribution box,
The method includes：1) provide a kind of taxi information promulgating platform based on distribution box, described issue is put down
Platform includes distribution box main body, taxi management equipment, distribution box communication equipment, high-definition camera, illumination
Intensity detector and AVR32 chip, distribution box communication equipment, high-definition camera, intensity of illumination detection
Instrument and AVR32 chip are all disposed within distribution box main body, high-definition camera, intensity of illumination detector and
AVR32 chip cooperating, for detecting and exporting the pedestrian's quantity at traffic intersection, distribution box leads to
Letter equipment is used for the pedestrian's quantity wireless forwarding at traffic intersection to taxi management equipment, and taxi manages
Equipment determines the passenger flow index of traffic intersection address based on the pedestrian's quantity at traffic intersection；2) run
Described distribution platform.
More specifically, described based in the taxi information promulgating platform of distribution box, including：Distribution box
Main body, including casing, water-proof type door and radiator structure；Casing is 1.5 millimeters using thickness
Cold-rolled steel sheet simultaneously has stiffened panel and floor；Water-proof type door include inside door, external door, door hinge,
Waterproof adhesive tape and door stop, door hinge is 3 alloy hinges, for external door is connected with casing,
Door stop is arranged on inside door, for realizing the self-adapting locking of inside door when inside door opens or closes
Spacing, waterproof adhesive tape is arranged on external door madial wall；Radiator structure include axial flow blower, steam vent,
Air admission hole and dustproof filter screen, axial flow blower is arranged on box top wall inner central position, for accelerating chamber
The exchange of inside and outside gas, steam vent is arranged on the top of casing, and air admission hole is arranged on the lower section of casing,
Dustproof filter screen is arranged on air admission hole；Intensity of illumination detector, is embedded on casing, hands over for detection
The real-time lighting intensity of path mouth position, determines according to real-time lighting intensity and to export corresponding illumination strong
Degree grade；High-definition camera, is embedded on casing, for shooting to traffic intersection, to obtain
High definition the image of crossing, the resolution ratio of high definition the image of crossing is 1920 × 1080；FLASH memory,
It is arranged in casing, be used for prestoring multiple benchmark intensity of illumination the image of crossings, each reference light
Correspond to an intensity of illumination grade according to intensity the image of crossing, each benchmark intensity of illumination the image of crossing is
Under corresponding intensity of illumination grade, high-definition camera is carried out under no any pedestrian's state to traffic intersection
Shoot obtained image in advance, FLASH memory be additionally operable to prestore traffic intersection address, two
Value threshold value, reference edge feature, base linearity feature, reference center's feature and benchmark to corner characteristics,
Reference edge feature, base linearity feature, reference center's feature and benchmark are diagonally characterized as to reference row
People's image extracts after carrying out Haar wavelet transformation and obtains；Foreground selection equipment, is arranged in casing, with
Intensity of illumination detector and FLASH memory connect respectively, based on the detection of current time intensity of illumination
The intensity of illumination grade of instrument output finds corresponding benchmark intensity of illumination crossing in FLASH memory
Image simultaneously exports as target background image；Live image splitting equipment, is arranged in casing, with height
Clear camera, FLASH memory and Foreground selection equipment connect respectively, are received by high-definition camera
The high definition the image of crossing of current time and the high definition the image of crossing of current time upper one second, respectively as
One high definition the image of crossing and the second high definition the image of crossing, by each pixel of the first high definition the image of crossing
Gray value deduct in the second high definition the image of crossing the gray value of pixel of correspondence position and take absolute value
To obtain image difference absolute value, when image difference absolute value is more than or equal to binary-state threshold, the first high definition
The respective pixel of the image of crossing is confirmed as active pixel, otherwise, the correspondence of the first high definition the image of crossing
Pixel is confirmed as static pixel, by the image of active pixel compositions all in the first high definition the image of crossing
As live image output, live image is made up of one or more zones of action；At morphological image
Reason equipment, is arranged in casing, is connected with live image splitting equipment, for receiving live image,
And each zone of action is carried out with denoising to obtain denoising subgraph, fill up in denoising subgraph
Portion cavity to connect breakpoint in denoising subgraph one or more whole to obtain shaping subgraph, output
Shape subgraph；Wavelet transformation device, is arranged in casing, is connected with morphological image process equipment,
Haar wavelet transformation is executed to each shaping subgraph, to extract the side of each shaping subgraph
Edge feature, linear character, central feature and to corner characteristics；AVR32 chip, is arranged in casing,
It is connected respectively with Wavelet transformation device and FLASH memory, by the edge of each shaping subgraph
Feature, linear character, central feature and special with reference edge feature, base linearity respectively to corner characteristics
Levy, reference center's feature and benchmark are compared to corner characteristics, when four comparative results are all coupling,
Corresponding shaping subgraph is confirmed as pedestrian's subgraph, calculates the number of pedestrian's subgraph and as row
People's quantity exports；Distribution box communication equipment, is embedded on casing, with AVR32 process chip and
FLASH memory connects respectively, receives pedestrian's quantity and traffic intersection address, and passes through radio communication
Link sends pedestrian's quantity and traffic intersection address；Taxi management equipment, positioned at city taxi operation control
Center processed, including taxi management and control communication interface and taxi management and control controller, taxi management and control communication interface
For pedestrian's quantity and traffic intersection address are received by wireless communication link, taxi management and control controller with
Taxi management and control communication interface connects, for determining the passenger flow index of traffic intersection address based on pedestrian's quantity,
And taxi management and control communication interface is passed through to the taxi near traffic intersection address based on traffic intersection address
The passenger flow index of the traffic intersection address that wireless transmission determines.
More specifically, described based in the taxi information promulgating platform of distribution box：Using AVR32
The internal memory of chip replaces FLASH memory.
More specifically, described based in the taxi information promulgating platform of distribution box：Wavelet transformation device
To realize with the fpga chip that morphological image process equipment is respectively adopted different model.
More specifically, described based in the taxi information promulgating platform of distribution box：Pedestrian's quantity is more,
The passenger flow index of traffic intersection address is bigger.
More specifically, described based in the taxi information promulgating platform of distribution box：External door adopts two-fold
Side structure, for increasing the intensity on external door four side and strengthening water-proof function.
Brief description
Below with reference to accompanying drawing, embodiment of the present invention is described, wherein：
Fig. 1 is the taxi information promulgating platform based on distribution box according to embodiment of the present invention
Block diagram.
Fig. 2 is the taxi information promulgating platform based on distribution box according to embodiment of the present invention
The block diagram of taxi management equipment.
Reference：1 distribution box main body；2 distribution box communication equipments；3 high-definition cameras；4 light
According to intensity detector；5AVR32 chip；6 taxi management equipments；7 taxi management and control communication interfaces；8
Taxi management and control controller
Specific embodiment
The enforcement based on the taxi information promulgating platform of distribution box to the present invention below with reference to accompanying drawings
Scheme is described in detail.
Conventional distribution box has wooden and two kinds of metal system, because metal distribution box degree of protection is high by one
A bit, so or metal comparison many.
Distribution box can be classified as follows by architectural feature and purposes：
(1) the board-like distribution box of stationary plane, often claims switchboard or switchboard.He is that one kind has panel to hide
The open-type distribution box blocking, front has protective action, the back side and side to remain to touch live part, prevents
Shield grade is low, is only used for the industrial and mining enterprises relatively low to power supply continuity and reliability requirement, makees power transformation
Room centrally connected power supply is used.
(2) protection (i.e. closed) distribution box, refers in addition to installed surface, and other all sides are all
A kind of low-tension distribution box being sealed.The switch of this chest, protection and Monitoring and Controlling etc. are electrically
Element, is installed in a closure made with steel or insulating materials, reliable wall or from wall peace
Dress.Quarantine measures can be not added between every loop, it would however also be possible to employ the metallic plate of ground connection or exhausted in cabinet
Listrium is isolated.Generally door and main switch operation have mechanical interlocking.In addition go back protected type bench-type to join
Electronic box (i.e. console), equipped with electrical equipment such as control, measurement, signals on panel.Protection distribution box
It is mainly used as the power distribution equipment at technique scene.
(3) drawer-type distribution box.This kind of distribution box makes closure using steel plate, and line returns
The electric elements on road are all arranged in the drawer that can extract out, constitute and can complete a certain class and power the work(of task
Can unit.Between functional unit and bus or cable, with metallic plate or the function made of plastics of ground connection
Plate separates, and forms bus, functional unit and three regions of cable.Also have between each functional unit every
From measure.Drawer-type distribution box has higher reliability, security and interchangeability, is more advanced
Distribution box, distribution box majority refers to drawer-type distribution box.It is higher that they are applied to requirement power supply reliability
Industrial and mining enterprises, skyscraper, as central controlled distribution center.
(4) power, light distribution distribution box.It mostly is closed right angle setting.Because of use occasion not
With shell protection grade is also different.They are mainly as the power distribution equipment of industrial and mining enterprises production scene.
Distribution box of the prior art is applied excessively single it is impossible to adapt to the development trend of intelligent city,
In fact, at traffic intersection the expanded function of distribution box have greatly can the phase, for example, nearby taxi driver carries
For passenger flow information, to help taxi driver to select optimal carrying route, improve the operation of oneself and become
This.However, not having related technical scheme in prior art.
In order to overcome above-mentioned deficiency, it is flat that the present invention has built a kind of issue of the taxi information based on distribution box
Platform, improves the structure of existing traffic intersection distribution box, increases high accuracy, targetedly pedestrian's number
Amount identification equipment and Wireless Telecom Equipment are transmitted with the identification data realizing traffic intersection pedestrian's quantity,
Also, increase taxi management equipment based on traffic intersection address to neighbouring taxi wireless transmission to be simultaneously
When passenger flow navigation information.
Fig. 1 is the taxi information promulgating platform based on distribution box according to embodiment of the present invention
Block diagram, described distribution platform includes distribution box main body, taxi management equipment, distribution box communication
Equipment, high-definition camera, intensity of illumination detector and AVR32 chip, distribution box communication equipment, height
Clear camera, intensity of illumination detector and AVR32 chip are all disposed within distribution box main body, and high definition is taken the photograph
As head, intensity of illumination detector and AVR32 chip cooperating, for detecting and exporting traffic intersection
Pedestrian's quantity at place, distribution box communication equipment is used for giving the pedestrian's quantity wireless forwarding at traffic intersection
Taxi management equipment, taxi management equipment determines traffic intersection ground based on the pedestrian's quantity at traffic intersection
The passenger flow index of location.
Then, continue the present invention is entered based on the concrete structure of the taxi information promulgating platform of distribution box
Row further instruction.
Described distribution platform includes：Distribution box main body, including casing, water-proof type door and radiating knot
Structure；Cold-rolled steel sheet that casing is 1.5 millimeters using thickness simultaneously has stiffened panel and floor；Water-proof type door
Structure includes inside door, external door, door hinge, waterproof adhesive tape and door stop, and door hinge is 3 alloys
Hinge, for being connected external door with casing, door stop is arranged on inside door, for opening in inside door
Or close when realize inside door self-adapting locking spacing, waterproof adhesive tape is arranged on external door madial wall.
Radiator structure includes axial flow blower, steam vent, air admission hole and dustproof filter screen, and axial flow blower is arranged
In box top wall inner central position, for the exchange of accelerating chamber inside and outside gas, steam vent is arranged on
The top of casing, air admission hole is arranged on the lower section of casing, and dustproof filter screen is arranged on air admission hole.
Described distribution platform includes：Intensity of illumination detector, is embedded on casing, for detecting traffic
The real-time lighting intensity of crossing position, determines according to real-time lighting intensity and exports corresponding intensity of illumination
Grade.
Described distribution platform includes：High-definition camera, is embedded on casing, for entering to traffic intersection
Row shoots, and to obtain high definition the image of crossing, the resolution ratio of high definition the image of crossing is 1920 × 1080.
Described distribution platform includes：FLASH memory, is arranged in casing, is used for prestoring many
Individual benchmark intensity of illumination the image of crossing, the corresponding illumination of each benchmark intensity of illumination the image of crossing is strong
Degree grade, each benchmark intensity of illumination the image of crossing is high-definition camera under corresponding intensity of illumination grade
Head is shot obtained image to traffic intersection under no any pedestrian's state in advance, and FLASH deposits
Reservoir is additionally operable to prestore traffic intersection address, binary-state threshold, reference edge feature, datum line
Property feature, reference center's feature and benchmark to corner characteristics, reference edge feature, base linearity feature,
Reference center's feature and benchmark are diagonally characterized as benchmark pedestrian image being carried out carry after Haar wavelet transformation
Take acquisition.
Described distribution platform includes：Foreground selection equipment, is arranged in casing, with intensity of illumination detection
Instrument and FLASH memory connect respectively, the illumination based on the output of current time intensity of illumination detector
Strength grade finds corresponding benchmark intensity of illumination the image of crossing and as mesh in FLASH memory
Mark background image output.
Described distribution platform includes：Live image splitting equipment, is arranged in casing, with high-definition camera
Head, FLASH memory and Foreground selection equipment connect, when receiving current by high-definition camera respectively
The high definition the image of crossing carved and the high definition the image of crossing of current time upper one second, respectively as the first high definition
The image of crossing and the second high definition the image of crossing, by the gray scale of each pixel of the first high definition the image of crossing
Value deducts in the second high definition the image of crossing the gray value of pixel of correspondence position and takes absolute value to obtain
Image difference absolute value, when image difference absolute value is more than or equal to binary-state threshold, the first high definition crossing figure
The respective pixel of picture is confirmed as active pixel, otherwise, the respective pixel quilt of the first high definition the image of crossing
It is defined as static pixel, using the image of active pixel compositions all in the first high definition the image of crossing as work
Motion video exports, and live image is made up of one or more zones of action.
Described distribution platform includes：Morphological image process equipment, is arranged in casing, with activity diagram
As splitting equipment connects, for receiving live image, and denoising is carried out to each zone of action
To obtain denoising subgraph, fill up denoising subgraph interior void and connect the breakpoint in denoising subgraph
To obtain shaping subgraph, export one or more shaping subgraphs.
Described distribution platform includes：Wavelet transformation device, is arranged in casing, at morphological image
Reason equipment connects, and each shaping subgraph is executed with Haar wavelet transformation, whole to extract each
The edge feature of shape subgraph, linear character, central feature and to corner characteristics.
Described distribution platform includes：AVR32 chip, is arranged in casing, with Wavelet transformation device and
FLASH memory connects respectively, by the edge feature of each shaping subgraph, linear character, in
Heart feature and to corner characteristics respectively with reference edge feature, base linearity feature, reference center's feature and
Benchmark is compared to corner characteristics, when four comparative results are all coupling, corresponding shaping subgraph
It is confirmed as pedestrian's subgraph, calculate the number of pedestrian's subgraph and as the output of pedestrian's quantity.
Described distribution platform includes：Distribution box communication equipment, is embedded on casing, at AVR32
Reason chip and FLASH memory connect respectively, receive pedestrian's quantity and traffic intersection address, and lead to
Cross wireless communication link and send pedestrian's quantity and traffic intersection address.
As shown in Fig. 2 described distribution platform includes：Taxi management equipment, positioned at the operation of city taxi
At control centre, including taxi management and control communication interface and taxi management and control controller, taxi management and control communication connects
Mouth is for receiving pedestrian's quantity and traffic intersection address, taxi management and control controller by wireless communication link
It is connected with taxi management and control communication interface, for determining that based on pedestrian's quantity the passenger flow of traffic intersection address refers to
Number, and based on traffic intersection address pass through taxi management and control communication interface near traffic intersection address
The passenger flow index of the traffic intersection address that scholar's wireless transmission determines.
Alternatively, in described distribution platform：Internal memory using AVR32 chip is replaced
FLASH memory；Wavelet transformation device and morphological image process equipment are respectively adopted different model
Fpga chip is realizing；Pedestrian's quantity is more, and the passenger flow index of traffic intersection address is bigger；And
External door can adopt double-fold structure, for increasing the intensity on external door four side and strengthening water-proof function.
In addition, FPGA (Field-Programmable Gate Array), i.e. field-programmable gate array
Row, he is the product developing further on the basis of the programming devices such as PAL, GAL, CPLD.
He occurs as one of special IC (ASIC) field semi-custom circuit, both solves
Determine the deficiency of custom circuit, overcome the limited shortcoming of original programming device gate circuit number again.With
The circuit design that hardware description language (Verilog or VHDL) is completed, can be through simply comprehensive
Close and layout, be quickly burned onto and tested on FPGA, be the technology of modern IC designs checking
Main flow.These editable elements can be used to realize some basic logic gates (such as AND,
OR, XOR, NOT) or more more complicated combination function such as decoder or mathematical equation.
Inside most FPGA, in these editable elements, also comprise memory cell such as trigger
Or other more complete block of memory (Flip-flop).System designer can be as desired by
Editable connection couples together the logical block within FPGA, just looks like a breadboard quilt
It has been placed in a chip.One dispatch from the factory after the logical block of finished product FPGA and connect can be according to setting
Meter person and change, so FPGA can complete required for logic function.
FPGA is in general slow than the speed of ASIC (special IC), realizes same work(
Can be bigger than ASIC circuit area.But they also have the advantages that a lot of such as can quick finished product,
The mistake in correction program and less expensive cost can be modified to.Manufacturer is likely to provide cheaply
But edit capability difference FPGA.Because these chips have poor editable ability,
The exploitation of these designs is to complete on common FPGA, then design is transferred to one and is similar to
On the chip of ASIC.Another method is with CPLD (Complex Programmable Logic
Device, CPLD).The exploitation of FPGA is with respect to traditional PC, the opening of single-chip microcomputer
Send out and be very different.FPGA, based on concurrent operation, to be realized with hardware description language；Compared to
The order operation of PC or single-chip microcomputer (either von Neumann structure or Harvard structure) has very big difference.
Early in 1980 mid-nineties 90s, FPGA takes root in PLD equipment.CPLD and FPGA
Include the Programmadle logic unit of some relatively large amount.The density of CPLD gate arrives thousand of
Between tens of thousands of logical blocks, and FPGA typically tens of thousands of to millions of.CPLD and FPGA
The main distinction be their system architecture.CPLD is a somewhat restricted structure.This knot
Structure is by the logical groups row of one or more editable result sum and the locking of some relatively small amounts
Register composition.Such result be a lack of edit flexibility, but but have it is anticipated that delay
The time and logical block advantage to connection unit height ratio.And FPGA is that have a lot of connection lists
Unit, although so allowing him can more flexibly edit, structure is complicated many.
Using the taxi information promulgating platform based on distribution box for the present invention, for prior art cannot be
Taxi driver provides the technical problem of the instant passenger flow information of traffic intersection, by transforming existing traffic road
The distribution box of mouth, as data acquisition data communication control platform, more it is essential that drawing
Enter to have the taxi management equipment of data analysis energy and wireless communication ability, help taxi driver more
Obtain accurate passenger flow information in real time, it is to avoid the unloaded situation of taxi occurs.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-mentioned enforcement
Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from
Under technical solution of the present invention ambit, the technology contents that the disclosure above all can be utilized are to the technology of the present invention
Scheme makes many possible variations and modification, or the Equivalent embodiments being revised as equivalent variations.Therefore,
Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example
Any simple modification, equivalent variations and the modification made, all still falls within technical solution of the present invention protection
In the range of.
Claims (1)
1. a kind of taxi information issuing method based on distribution box, the method includes：
1) a kind of taxi information promulgating platform based on distribution box, described distribution platform bag are provided
Include distribution box main body, taxi management equipment, distribution box communication equipment, high-definition camera, illumination
Intensity detector and AVR32 chip, distribution box communication equipment, high-definition camera, illumination are strong
Degree detector and AVR32 chip are all disposed within distribution box main body, high-definition camera, illumination
Intensity detector and AVR32 chip cooperating, for detecting and exporting at traffic intersection
Pedestrian's quantity, distribution box communication equipment is used for giving the pedestrian's quantity wireless forwarding at traffic intersection
Taxi management equipment, taxi management equipment determines traffic road based on the pedestrian's quantity at traffic intersection
The passenger flow index of port address；
2) run described distribution platform；
It is characterized in that, described distribution platform includes：
Distribution box main body, including casing, water-proof type door and radiator structure；
Cold-rolled steel sheet that casing is 1.5 millimeters using thickness simultaneously has stiffened panel and floor；
Water-proof type door includes inside door, external door, door hinge, waterproof adhesive tape and door stop,
Door hinge is 3 alloy hinges, and for being connected external door with casing, door stop is arranged on interior
Men Shang, the self-adapting locking for realizing inside door when inside door opens or closes is spacing, marine glue
Bar is arranged on external door madial wall；
Radiator structure includes axial flow blower, steam vent, air admission hole and dustproof filter screen, axial flow blower
It is arranged on box top wall inner central position, for the exchange of accelerating chamber inside and outside gas, be vented
Hole is arranged on the top of casing, and air admission hole is arranged on the lower section of casing, dustproof filter screen be arranged on into
On pore；
Intensity of illumination detector, is embedded on casing, for detecting the real-time of traffic intersection position
Intensity of illumination, determines and exports corresponding intensity of illumination grade according to real-time lighting intensity；
High-definition camera, is embedded on casing, for shooting to traffic intersection, to obtain
High definition the image of crossing, the resolution ratio of high definition the image of crossing is 1920 × 1080；
FLASH memory, is arranged in casing, is used for prestoring multiple reference lights according to strong
Degree the image of crossing, each benchmark intensity of illumination the image of crossing corresponds to an intensity of illumination grade,
Each benchmark intensity of illumination the image of crossing is high-definition camera under corresponding intensity of illumination grade
Under no any pedestrian's state, obtained image is shot in advance to traffic intersection,
FLASH memory is additionally operable to prestore traffic intersection address, binary-state threshold, true edge
, to corner characteristics, reference edge is special for edge feature, base linearity feature, reference center's feature and benchmark
Levy, base linearity feature, reference center's feature and benchmark are diagonally characterized as to benchmark pedestrian image
Extract after carrying out Haar wavelet transformation and obtain；
Foreground selection equipment, is arranged in casing, deposits with intensity of illumination detector and FLASH
Reservoir connects respectively, is existed based on the intensity of illumination grade of current time intensity of illumination detector output
Corresponding benchmark intensity of illumination the image of crossing is found and as target background in FLASH memory
Image exports；
Live image splitting equipment, is arranged in casing, deposits with high-definition camera, FLASH
Reservoir and Foreground selection equipment connect respectively, receive the high definition of current time by high-definition camera
The image of crossing and the high definition the image of crossing of current time upper one second, respectively as the first high definition crossing
Image and the second high definition the image of crossing, by the gray scale of each pixel of the first high definition the image of crossing
Value deduct in the second high definition the image of crossing the gray value of pixel of correspondence position and take absolute value with
Obtain image difference absolute value, when image difference absolute value is more than or equal to binary-state threshold, first is high
The respective pixel of clear the image of crossing is confirmed as active pixel, otherwise, the first high definition the image of crossing
Respective pixel be confirmed as static pixel, by all active pixel in the first high definition the image of crossing
The image of composition exports as live image, and live image is made up of one or more zones of action；
Morphological image process equipment, is arranged in casing, is connected with live image splitting equipment,
For receiving live image, and each zone of action is carried out with denoising to obtain denoising
Image, the breakpoint filled up denoising subgraph interior void and connect in denoising subgraph is whole to obtain
Shape subgraph, exports one or more shaping subgraphs；
Wavelet transformation device, is arranged in casing, is connected with morphological image process equipment, right
Each shaping subgraph executes Haar wavelet transformation, to extract each shaping subgraph
Edge feature, linear character, central feature and to corner characteristics；
AVR32 chip, is arranged in casing, with Wavelet transformation device and FLASH memory
Connect respectively, by the edge feature of each shaping subgraph, linear character, central feature and
To corner characteristics respectively with reference edge feature, base linearity feature, reference center's feature and benchmark
Corner characteristics are compared, when four comparative results are all coupling, corresponding shaping subgraph
It is confirmed as pedestrian's subgraph, calculate the number of pedestrian's subgraph and as the output of pedestrian's quantity；
Distribution box communication equipment, is embedded on casing, with AVR32 process chip and FLASH
Memory connects respectively, receives pedestrian's quantity and traffic intersection address, and passes through wireless communication link
Road sends pedestrian's quantity and traffic intersection address；
Taxi management equipment, at city taxi operation control centre, leads to including taxi management and control
Letter interface and taxi management and control controller, taxi management and control communication interface is used for by wireless communication link
Receive pedestrian's quantity and traffic intersection address, taxi management and control controller and taxi management and control communication interface
Connect, for determining the passenger flow index of traffic intersection address based on pedestrian's quantity, and be based on traffic
Crossing address is wirelessly sent out to the taxi near traffic intersection address by taxi management and control communication interface
Send the passenger flow index of the traffic intersection address of determination.
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| CN201425781Y (en) * | 2009-07-03 | 2010-03-17 | 成都精识智能技术有限公司 | Traffic signal lamps based on visitors flowrate |
| CN101714293A (en) * | 2009-12-16 | 2010-05-26 | 上海交通投资信息科技有限公司 | Stereoscopic vision based acquisition method of congestion degree of bus passenger flow |
| CN101799987A (en) * | 2010-03-10 | 2010-08-11 | 北京航空航天大学 | Self-adaptive intelligent traffic light and control method thereof |
| CN102724484A (en) * | 2012-06-25 | 2012-10-10 | 中国科学院自动化研究所 | Bus stop people monitoring device and monitoring method thereof |
| CN102867411A (en) * | 2012-09-21 | 2013-01-09 | 博康智能网络科技股份有限公司 | Taxi dispatching method and taxi dispatching system on basis of video monitoring system |
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2016
- 2016-03-27 CN CN201610180568.5A patent/CN105608901B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201425781Y (en) * | 2009-07-03 | 2010-03-17 | 成都精识智能技术有限公司 | Traffic signal lamps based on visitors flowrate |
| CN101714293A (en) * | 2009-12-16 | 2010-05-26 | 上海交通投资信息科技有限公司 | Stereoscopic vision based acquisition method of congestion degree of bus passenger flow |
| CN101799987A (en) * | 2010-03-10 | 2010-08-11 | 北京航空航天大学 | Self-adaptive intelligent traffic light and control method thereof |
| CN102724484A (en) * | 2012-06-25 | 2012-10-10 | 中国科学院自动化研究所 | Bus stop people monitoring device and monitoring method thereof |
| CN102867411A (en) * | 2012-09-21 | 2013-01-09 | 博康智能网络科技股份有限公司 | Taxi dispatching method and taxi dispatching system on basis of video monitoring system |
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