CN105869240A - Taxi operation auxiliary control cabinet - Google Patents
Taxi operation auxiliary control cabinet Download PDFInfo
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- CN105869240A CN105869240A CN201610180604.8A CN201610180604A CN105869240A CN 105869240 A CN105869240 A CN 105869240A CN 201610180604 A CN201610180604 A CN 201610180604A CN 105869240 A CN105869240 A CN 105869240A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
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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
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Abstract
The invention relates to a taxi operation auxiliary control cabinet. The taxi operation auxiliary control cabinet comprises a control cabinet main body, a brightness sensor, a CMOS visual sensor, a Freescale MC9S12 chip and a control cabinet communication interface, the brightness sensor, the CMOS visual sensor, the Freescale MC9S12 chip and the control cabinet communication interface are positioned on the control cabinet main body, the bright sensor, the CMOS visual sensor and the Freescale MC9S12 chip cooperatively work to determine the quantity of pedestrians in a traffic intersection, the control cabinet communication interface is respectively connected with the Freescale MC9S12 chip and a static memory and receives the pedestrian quantity and the address of the traffic intersection, and a determined passenger flow index is wirelessly sent to taxies nearby the address of the traffic intersection on the basis of the address of the traffic intersection. The taxi operation auxiliary control cabinet provides convenience for route selection of every taxi nearby every traffic intersection.
Description
Technical field
The present invention relates to switch board field, particularly relate to a kind of taxi operation assist control cabinet.
Background technology
Taxi is the walking-replacing tool that urban transportation is important, brings out accommodating to urbanite.
But, for taxi driver and taxi company, zero load is that they are unwilling to see,
On the one hand, zero load wastes the service time that taxi is relatively limited, on the other hand, unloaded consumption
Take big petrol or combustion gas, bring no small financial burden to taxi driver and taxi company.
How to reduce idle time, be one of taxi driver and taxi company's difficult problem needing solution.
In prior art, taxi driver typically relies on the experience of oneself to judge each traffic road
Section is in artificial abortion's quantity of each time period, to select running section voluntarily, at major part traffic road
When section all lacks artificial abortion, taxi driver can select the period to have a rest or dining, to recover artificial abortion
Time, then recover the operation hired a car.But, artificial abortion's quantity in traffic section is real-time change,
The most far from each other with historical experience, so, be easily caused traffic people from section many time, a lot
Taxi stops operation, has delayed the opportunity of earning money, or when traffic people from section is few, much hires out
Car flocks together and robs visitor, and the situation causing major part taxi unloaded occurs, and further adds fortune
Battalion's cost.
In prior art, taxi driver be likely to select real-time road instrument as reference,
Using the wagon flow quantity in each traffic section as reference, it is judged that people's fluxion in corresponding traffic section
Amount, this mode equally exists drawback: the wagon flow quantity in traffic section in real-time road instrument
Judge that major part is also based on non-at-scene data, there is error with practical situation；And employing car
Fluxion amount judges artificial abortion's quantity as the mode of reference, and effect is not fine.
Accordingly, it would be desirable to a kind of new taxi operation reference sides based on traffic section artificial abortion's data
Case, it is possible to set up the data acquisition platform in each traffic section, the real-time people to traffic intersection
Fluxion amount carries out accurate acquisition, and the operation being near taxi based on real-time artificial abortion's quantity provides
Reference, thus integrate urban taxi resource, reduce taxi operation cost.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of taxi operation assist control cabinet,
Switch board at each traffic intersection in transformation prior art, integrated multiple image processing equipments with
Identifying the artificial abortion's quantity at corresponding traffic intersection, integrated wireless communications equipment is with based on people simultaneously
Fluxion amount determines the passenger flow index of traffic intersection address, and artificial abortion's quantity is the most, traffic intersection address
Passenger flow index the biggest, and based on traffic intersection address taxi near traffic intersection address
The passenger flow index that wireless transmission determines, the route selection for neighbouring taxi driver is provided with valency
The reference data of value.
According to an aspect of the present invention, it is provided that a kind of taxi operation assist control cabinet, described
Switch board includes switch board main body, luminance sensor, CMOS vision sensor, Freescale
MC9S12 chip and switch board communication interface, luminance sensor, CMOS vision sensor,
Freescale MC9S12 chip and switch board communication interface are all located in switch board main body, brightness
Sensor, CMOS vision sensor and Freescale MC9S12 chip collaborative work, use
In determining the pedestrian's quantity at traffic intersection, switch board communication interface and Freescale MC9S12
Chip and static memory connect respectively, receive pedestrian's quantity and traffic intersection address, based on friendship
Path port address taxi wireless near traffic intersection address sends the passenger flow index determined.
More specifically, in described taxi operation assist control cabinet, including: switch board main body,
Including connecting terminal block, remote manual control select handle, jump close position indicator, divide-shut brake button,
Analog input interface, switch value input interface, mains-supplied interface, stand-by power supply, control
Cabinet communication interface, shell and Freescale MC9S12 chip, Freescale MC9S12 core
Sheet and connecting terminal block, remote manual control select handle, jump close position indicator, divide-shut brake button,
Analog input interface, switch value input interface, mains-supplied interface and stand-by power supply connect respectively
Connect；Remote manual control selects handle for realizing the switching of manual operation on the spot and remote manipulation on the spot；
Analog input interface includes signal conditioning circuit, genlock circuit and analog to digital conversion circuit；
Stand-by power supply is ultracapacitor, and its operating temperature is between 40 degrees below zero extremely 70 degree above freezing,
Efficiency for charge-discharge is between 90% to 95%；Shell uses corrosion resistant stainless steel material；Bright
Degree sensor, is arranged on switch board shell, is used for detecting ambient brightness, according to ambient brightness
Determine and export the ambient light levels of correspondence；CMOS vision sensor, is arranged on switch board
On shell, for traffic intersection being shot, to obtain high definition crossing image, high definition crossing
The resolution of image is 3840 × 2160；Static memory, is connected with connecting terminal block, uses
In prestoring multiple Benchmark brightness crossings image, each Benchmark brightness crossing image correspondence one
Individual ambient light levels, each Benchmark brightness crossing image is under corresponding ambient light levels
CMOS vision sensor shoots institute to traffic intersection under without any pedestrian's state in advance
The image obtained, static memory is additionally operable to prestore preset difference value threshold value, benchmark pedestrian ash
Degreeization picture, preset matching degree threshold value and traffic intersection address, benchmark pedestrian's gray processing picture is
Only including the gray processing picture of benchmark pedestrian contour, preset matching degree threshold value is the percentage less than 1
Compare numerical value；Foreground selection equipment, is connected with connecting terminal block, also with luminance sensor and static state
Memorizer connects respectively, and ambient light levels based on the output of current time luminance sensor is quiet
State memorizer is found the Benchmark brightness crossing image of correspondence and exports as target background image；
Background complexity detection equipment, is connected with connecting terminal block, also with CMOS vision sensor
Connect, be used for receiving high definition crossing image, and calculate pixel color change in the image of high definition crossing
Severe degree using as background complexity export；Moving region detection equipment, with binding post
Row connects, also with CMOS vision sensor, static memory, Foreground selection equipment and the back of the body
Scape complexity detection equipment connects respectively, determines the first weighted value and second based on background complexity
Weighted value, the first weighted value and the second weighted value sum are 1, and background complexity is the biggest, first
Weighted value is the least, and the second weighted value is the biggest, when receiving current by CMOS vision sensor
The high definition crossing image carved and the high definition crossing image of next second of current time, respectively as first
High definition crossing image and the second high definition crossing image, by each picture of the first high definition crossing image
The gray value of element deducts the gray value of the pixel of correspondence position in the second high definition crossing image and takes
Absolute value is to obtain the first absolute value, by the gray scale of each pixel of the first high definition crossing image
Value deducts the gray value of the pixel of correspondence position in target background image and takes absolute value to obtain
Second absolute value, the first weighted value and the first absolute value are multiplied to obtain the first product, the second power
Weight values and the second absolute value are multiplied to obtain the second product, when the first product and the second product are all
The absolute value of non-zero and the difference between the first product and the second product is less than preset difference value threshold value
Time, the respective pixel of the first high definition crossing image is confirmed as motion pixel, and otherwise, first is high
The respective pixel of clear crossing image is confirmed as static pixel, by institute in the first high definition crossing image
The image being made up of motion pixel exports as moving image, and moving image is by one or more fortune
Dynamic region composition；Morphological image processing equipment, is connected with connecting terminal block, goes back and motor region
Territory detection equipment connects, and for receiving moving pictures, and each moving region is carried out denoising
Process to obtain denoising subimage, fill up denoising subimage interior void and connect denoising subimage
Interior breakpoint, to obtain shaping subimage, exports one or more shaping subimage；Smoothing processing
Equipment, is connected with connecting terminal block, is also connected with morphological image processing equipment, is used for docking
Each the shaping subimage received is smoothed, to obtain smooth subimage；Intermediate value is filtered
Wave device, is connected with connecting terminal block, is also connected with smoothing processing equipment, for receiving
Smooth subimage perform medium filtering process, to filter the scattering composition in smooth subimage,
Obtain medium filtering subimage；Change of scale strengthen equipment, be connected with connecting terminal block, also with
Medium filtering equipment connects, and increases for the medium filtering subimage received is performed change of scale
Strength is managed, to obtain enhancer image；Gray processing processing equipment, is connected with connecting terminal block,
Also strengthen equipment with change of scale to be connected, for the enhancer image received is carried out gray processing
Process, to obtain gray processing subimage；Freescale MC9S12 chip and connecting terminal block,
Gray processing processing equipment and static memory connect respectively, by each gray processing subimage and base
There won't be any problem people's gray processing picture mates, when matching degree is more than or equal to preset matching degree threshold value,
Corresponding gray processing subimage is confirmed as pedestrian's subimage, calculates the number of pedestrian's subimage also
Export as pedestrian's quantity；Switch board communication interface, with Freescale MC9S12 chip and quiet
State memorizer connects respectively, receives pedestrian's quantity and traffic intersection address, true based on pedestrian's quantity
Determining the passenger flow index of traffic intersection address, pedestrian's quantity is the most, and the passenger flow of traffic intersection address refers to
Number is the biggest, and sends based on traffic intersection address taxi wireless near traffic intersection address
The passenger flow index determined.
More specifically, in described taxi operation assist control cabinet: switch board communication equipment bag
Include microcontroller and 4G communication interface.
More specifically, in described taxi operation assist control cabinet: microcontroller blocks with flying think of
That MC9S12 chip and static memory connect respectively, are used for receiving pedestrian's quantity and traffic road
Port address, and the passenger flow index of traffic intersection address is determined based on pedestrian's quantity.
More specifically, in described taxi operation assist control cabinet: 4G communication interface is with micro-
Controller connects, for based on traffic intersection address taxi near traffic intersection address without
Line sends the passenger flow index determined.
More specifically, in described taxi operation assist control cabinet: 4G communication interface embeds
On cabinet, the equipment that microcontroller is arranged in cabinet is installed on crossbeam.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the knot according to the taxi operation assist control cabinet shown in embodiment of the present invention
Structure block diagram.
Reference: 1 switch board main body；2 luminance sensors；3CMOS vision sensor；
4 Freescale MC9S12 chips；5 switch board communication interfaces
Detailed description of the invention
Embodiment to the taxi operation assist control cabinet of the present invention below with reference to accompanying drawings
It is described in detail.
Currently, for taxi, traffic section smoothly is selected to be easier, Ke Yixuan
Select and use the navigator the same with private car, according to the car in each section that navigator provides
Stream index judge near traffic route the most smoothly.
But, taxi travel on traffic route be not smoothly sometimes taxi driver and
The result that taxi company wishes to.Although such as traffic route is smooth and easy, but pedestrian's quantity
Few, the people called a taxi is few, easily causes the situation that taxi is unloaded, so can cause the same oil
Consumption is paid wages and driver is inutile.Obviously, money-making is the primary selection of taxi driver.
At present, there is no the acquisition platform of traffic section pedestrian's data, be also not based on pedestrian
Data determine the analysis mechanisms of passenger flow index, are more not based on passenger flow index on-site wireless and are sent to
The Wireless Telecom Equipment of near taxi.Such Wireless Telecom Equipment is it is generally desirable to be arranged on existing
, to ensure real-time and the accuracy of data, but for each traffic intersection, public
Equipment is inherently many altogether, and in addition to pedestrian, vehicle pass-through space, remaining space
Very limited, at each traffic intersection, increase a set of data acquisition and data communications equipment newly,
Unrealistic.
In order to overcome above-mentioned deficiency, the present invention has built a kind of taxi operation assist control cabinet,
Utilize the switch board of existing traffic intersection, it is transformed to increase on-site data gathering and sets
Standby and field data communication equipment, provides instant passenger flow index for each taxi neighbouring in time
Service, it is simple to taxi selects most suitable traffic intersection, provides more in finite time
Earning chance.
Fig. 1 is the knot according to the taxi operation assist control cabinet shown in embodiment of the present invention
Structure block diagram, described switch board includes that switch board main body, luminance sensor, CMOS vision pass
Sensor, Freescale MC9S12 chip and switch board communication interface, luminance sensor, CMOS
Vision sensor, Freescale MC9S12 chip and switch board communication interface are all located at switch board
In main body, luminance sensor, CMOS vision sensor and Freescale MC9S12 chip
Collaborative work, for determining the pedestrian's quantity at traffic intersection, switch board communication interface with fly to think
Karr MC9S12 chip and static memory connect respectively, receive pedestrian's quantity and traffic intersection
Address, sends based on traffic intersection address taxi wireless near traffic intersection address and determines
Passenger flow index.
Then, continue the concrete structure of the taxi operation assist control cabinet of the present invention is entered
The explanation of one step.
Described switch board includes: switch board main body, selects including connecting terminal block, remote manual control
Position indicator, divide-shut brake button, analog input interface, On-off signal are closed in handle, jumping
Interface, mains-supplied interface, stand-by power supply, switch board communication interface, shell and Freescale
MC9S12 chip, Freescale MC9S12 chip selects with connecting terminal block, remote manual control
Position indicator, divide-shut brake button, analog input interface, On-off signal are closed in handle, jumping
Interface, mains-supplied interface and stand-by power supply connect respectively.
Remote manual control selects handle for realizing manual operation on the spot and the cutting of remote manipulation on the spot
Change；Analog input interface includes signal conditioning circuit, genlock circuit and analog digital conversion electricity
Road；Stand-by power supply is ultracapacitor, its operating temperature be 40 degrees below zero to the most above freezing 70 degree it
Between, efficiency for charge-discharge is between 90% to 95%；Shell uses corrosion resistant stainless steel material.
Described switch board includes: luminance sensor, is arranged on switch board shell, is used for detecting
Ambient brightness, determines and exports the ambient light levels of correspondence according to ambient brightness；CMOS
Vision sensor, is arranged on switch board shell, for shooting traffic intersection, to obtain
Obtaining high definition crossing image, the resolution of high definition crossing image is 3840 × 2160.
Described switch board includes: static memory, is connected with connecting terminal block, for depositing in advance
Storing up multiple Benchmark brightness crossings image, the corresponding environment of each Benchmark brightness crossing image is bright
Degree grade, each Benchmark brightness crossing image is CMOS under corresponding ambient light levels
Traffic intersection is shot under without any pedestrian's state and to be obtained by vision sensor in advance
Image, static memory is additionally operable to prestore preset difference value threshold value, benchmark pedestrian's gray processing figure
Sheet, preset matching degree threshold value and traffic intersection address, benchmark pedestrian's gray processing picture is for only including
The gray processing picture of benchmark pedestrian contour, preset matching degree threshold value is the percentages less than 1.
Described switch board includes: Foreground selection equipment, is connected with connecting terminal block, goes back and brightness
Sensor and static memory connect respectively, environment based on the output of current time luminance sensor
Brightness degree finds the Benchmark brightness crossing image of correspondence and as target in static memory
Background image exports；Background complexity detection equipment, is connected with connecting terminal block, goes back and CMOS
Vision sensor connects, and is used for receiving high definition crossing image, and calculates picture in the image of high definition crossing
The severe degree of element color change is to export as background complexity.
Described switch board includes: moving region detection equipment, be connected with connecting terminal block, also with
CMOS vision sensor, static memory, Foreground selection equipment and the detection of background complexity set
Back-up does not connect, and determines the first weighted value and the second weighted value, the first power based on background complexity
Weight values and the second weighted value sum are 1, and background complexity is the biggest, and the first weighted value is the least, the
Two weighted values are the biggest, received the high definition crossing figure of current time by CMOS vision sensor
The high definition crossing image of picture and next second of current time, respectively as the first high definition crossing image and
Second high definition crossing image, deducts the gray value of each pixel of the first high definition crossing image
The gray value of the pixel of correspondence position take absolute value to obtain in second high definition crossing image
One absolute value, deducts target background by the gray value of each pixel of the first high definition crossing image
The gray value of the pixel of correspondence position take absolute value to obtain the second absolute value in image, first
Weighted value and the first absolute value are multiplied to obtain the first product, the second weighted value and the second absolute value
Be multiplied to obtain the second product, when the first product and the second product be all non-zero and the first product with
When the absolute value of the difference between the second product is less than preset difference value threshold value, the first high definition crossing figure
The respective pixel of picture is confirmed as motion pixel, otherwise, the correspondence picture of the first high definition crossing image
Element is confirmed as static pixel, by the figure of all motion pixels composition in the first high definition crossing image
As exporting as moving image, moving image is made up of one or more moving regions.
Described switch board includes: morphological image processing equipment, is connected with connecting terminal block, also
It is connected, for receiving moving pictures, and to each moving region with moving region detection equipment
Carry out denoising to obtain denoising subimage, fill up denoising subimage interior void and connection is gone
The breakpoint made an uproar in subimage, to obtain shaping subimage, exports one or more shaping subimage.
Described switch board includes: smoothing processing equipment, is connected with connecting terminal block, goes back and image
Morphological scale-space equipment connects, for each the shaping subimage received carries out smooth place
Reason, to obtain smooth subimage.
Described switch board includes: medium filtering equipment, is connected with connecting terminal block, also with smooth
Processing equipment connects, and processes for the smooth subimage received is performed medium filtering, with filter
Except the scattering composition in smooth subimage, it is thus achieved that medium filtering subimage；Change of scale strengthens
Equipment, is connected with connecting terminal block, be also connected with medium filtering equipment, for receiving
Medium filtering subimage performs change of scale enhancement process, to obtain enhancer image.
Described switch board includes: gray processing processing equipment, is connected with connecting terminal block, goes back and chi
Degree conversion enhancing equipment connects, for the enhancer image received is carried out gray processing process,
To obtain gray processing subimage.
Freescale MC9S12 chip is deposited with connecting terminal block, gray processing processing equipment and static state
Reservoir connects respectively, each gray processing subimage and benchmark pedestrian's gray processing picture is carried out
Joining, when matching degree is more than or equal to preset matching degree threshold value, corresponding gray processing subimage is by really
It is set to pedestrian's subimage, calculates the number of pedestrian's subimage and export as pedestrian's quantity.
Described switch board includes: switch board communication interface, with Freescale MC9S12 chip and
Static memory connects respectively, receives pedestrian's quantity and traffic intersection address, based on pedestrian's quantity
Determining the passenger flow index of traffic intersection address, pedestrian's quantity is the most, the passenger flow of traffic intersection address
Index is the biggest, and sends out based on traffic intersection address taxi wireless near traffic intersection address
Send the passenger flow index determined.
Alternatively, in described taxi operation assist control cabinet: switch board communication equipment includes
Microcontroller and 4G communication interface；Microcontroller and Freescale MC9S12 chip and static state
Memorizer connects respectively, is used for receiving pedestrian's quantity and traffic intersection address, and based on pedestrian's number
Amount determines the passenger flow index of traffic intersection address；4G communication interface is connected with microcontroller, uses
Determine in sending based on traffic intersection address taxi wireless near traffic intersection address
Passenger flow index；And, 4G communication interface can be embedded on cabinet, and microcontroller may be provided at
Equipment in cabinet is installed on crossbeam.
It addition, CMOS (Complementary Metal-Oxide-Semiconductor), in
The entitled complementary metal oxide semiconductors (CMOS) of literature, he is originally a kind of important core in computer system
Sheet, saves the data that System guides is most basic.The manufacturing technology of CMOS and general computer
Chip does not has difference, the quasiconductor made mainly by silicon and germanium both elements, makes
It co-exists band N (band-electricity) and the quasiconductor of P (band+electricity) level on CMOS, this
Electric current produced by two complementary effects can be processed chip record and be interpreted to image.Later
Find that CMOS can also be as the imageing sensor in digital photography through processing.
For independent of the portable use of electrical network, famous with low power consumption characteristic
CMOS technology has an obvious advantage: cmos image sensor be for 5V and
3.3V supply voltage and design.CCD chip then needs the supply voltage of about 12V,
Therefore have to use an electric pressure converter, thus cause power consumption to increase.In terms of total power consumption,
Controlling to be integrated in cmos sensor with systemic-function to bring another benefit: he goes
Except all external connection lines with other semiconductor elements.The driver of its high power consumption is the most
Abandoned, this is because communicate consumed energy ratio at chip internal to pass through PCB
Or the outside implementation of substrate is much lower.
Cmos sensor also can be subdivided into passive type element sensor (Passive Pixel
Sensor CMOS) and active pixel sensor (Active Pixel Sensor CMOS).
Passive type element sensor (Passive Pixel Sensor is called for short PPS), is named again passive
Formula element sensor, he is made up of a back-biased light sensitive diode and a switching tube.
Light sensitive diode is substantially a PN junction being made up of P-type semiconductor and N-type semiconductor,
He can be equivalent to a back-biased diode and a mos capacitance parallel connection.Work as switching tube
During unlatching, light sensitive diode connects with vertical alignment (Column bus).It is positioned at alignment end
The charge integration amplifier reading circuit (Charge integrating amplifier) of end keeps row
Line voltage is a constant, when the signal charge of light sensitive diode storage is read, and its voltage quilt
Resetting to column line voltage level, meanwhile, the electric charge being directly proportional to optical signal is by charge integration
Amplifier is converted to electric charge output.
Active pixel sensor (Active Pixel Sensor is called for short APS), is named again active
Formula element sensor.Almost while CMOS PPS dot structure is invented, people are quickly
Recognize that introducing buffer or amplifier can improve the performance of pixel, at CMOS in pixel
APS has in each pixel the amplifier of oneself.The amplification transistor being integrated in surface reduces
The effective surface area of pixel element, reduces " packaging density ", makes 40%～50% enter
Penetrate light to be reflected.Another problem of this sensor is, how to make the multichannel of sensor put
Having preferably coupling between big device, this can be by reducing the fixed pattern noise of residual level relatively
Realize well.Quilt during only reading at this due to each amplifier in CMOS APS pixel
Excite, so the power dissipation ratio ccd image sensor of CMOS APS is the least.
Use the taxi operation assist control cabinet of the present invention, cannot be for hiring out for prior art
Car driver provide the instant passenger flow information of traffic intersection technical problem, by transform existing friendship
The switch board of path mouth, as data acquisition and data communication control platform, for neighbouring
Taxi driver provides the real-time accurately passenger flow index of traffic intersection, thus is prevented effectively from zero load
Situation occurs, and provides more economic benefit for taxi driver and taxi company.
It is it is understood that although the present invention discloses as above with preferred embodiment, but above-mentioned
Embodiment is not limited to the present invention.For any those of ordinary skill in the art,
Without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above
Technical solution of the present invention is made many possible variations and modification, or is revised as equivalent variations
Equivalent embodiments.Therefore, every content without departing from technical solution of the present invention, according to the present invention
Technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all
Still fall within the range of technical solution of the present invention protection.
Claims (6)
1. a taxi operation assist control cabinet, described switch board include switch board main body,
Luminance sensor, CMOS vision sensor, Freescale MC9S12 chip and switch board
Communication interface, luminance sensor, CMOS vision sensor, Freescale MC9S12 core
Sheet and switch board communication interface are all located in switch board main body, luminance sensor, CMOS vision
Sensor and Freescale MC9S12 chip collaborative work, for determining the row at traffic intersection
People's quantity, switch board communication interface and Freescale MC9S12 chip and static memory difference
Connect, receive pedestrian's quantity and traffic intersection address, based on traffic intersection address to traffic intersection
Taxi wireless near address sends the passenger flow index determined.
2. taxi operation assist control cabinet as claimed in claim 1, it is characterised in that
Described switch board includes:
Switch board main body, selects handle, jumping conjunction position to refer to including connecting terminal block, remote manual control
Show that lamp, divide-shut brake button, analog input interface, switch value input interface, mains-supplied connect
Mouth, stand-by power supply, switch board communication interface, shell and Freescale MC9S12 chip, fly
Thinking karr MC9S12 chip selects handle, jumping conjunction position to refer to connecting terminal block, remote manual control
Show that lamp, divide-shut brake button, analog input interface, switch value input interface, mains-supplied connect
Mouth and stand-by power supply connect respectively；
Remote manual control selects handle for realizing manual operation on the spot and the cutting of remote manipulation on the spot
Change；
Analog input interface includes signal conditioning circuit, genlock circuit and analog digital conversion electricity
Road；
Stand-by power supply is ultracapacitor, its operating temperature be 40 degrees below zero to the most above freezing 70 degree it
Between, efficiency for charge-discharge is between 90% to 95%；
Shell uses corrosion resistant stainless steel material；
Luminance sensor, is arranged on switch board shell, is used for detecting ambient brightness, according to ring
Border brightness determines and exports the ambient light levels of correspondence；
CMOS vision sensor, is arranged on switch board shell, for carrying out traffic intersection
Shooting, to obtain high definition crossing image, the resolution of high definition crossing image is 3840 × 2160；
Static memory, is connected with connecting terminal block, is used for prestoring multiple Benchmark brightness road
Mouth image, the corresponding ambient light levels of each Benchmark brightness crossing image, each base
Quasi-brightness crossing image be under corresponding ambient light levels CMOS vision sensor to traffic
Crossing shoots obtained image under without any pedestrian's state in advance, and static memory is also
For prestoring preset difference value threshold value, benchmark pedestrian's gray processing picture, preset matching degree threshold value
With traffic intersection address, benchmark pedestrian's gray processing picture is the gray scale only including benchmark pedestrian contour
Changing picture, preset matching degree threshold value is the percentages less than 1；
Foreground selection equipment, is connected with connecting terminal block, also with luminance sensor and static storage
Device connects respectively, and ambient light levels based on the output of current time luminance sensor is deposited in static state
Reservoir is found the Benchmark brightness crossing image of correspondence and exports as target background image；
Background complexity detection equipment, is connected with connecting terminal block, also passes with CMOS vision
Sensor connects, and is used for receiving high definition crossing image, and calculates pixel color in the image of high definition crossing
The severe degree of change is to export as background complexity；
Moving region detection equipment, is connected with connecting terminal block, also with CMOS visual sensing
Device, static memory, Foreground selection equipment and background complexity detection equipment connect respectively, base
The first weighted value and the second weighted value, the first weighted value and the second weight is determined in background complexity
Value sum is 1, and background complexity is the biggest, and the first weighted value is the least, and the second weighted value is the biggest,
Received by CMOS vision sensor under high definition crossing image and the current time of current time
The high definition crossing image of one second, respectively as the first high definition crossing image and the second high definition crossing figure
Picture, deducts the second high definition crossing figure by the gray value of each pixel of the first high definition crossing image
The gray value of the pixel of correspondence position take absolute value to obtain the first absolute value, by first in Xiang
The gray value of each pixel of high definition crossing image deducts correspondence position in target background image
The gray value of pixel and take absolute value to obtain the second absolute value, the first weighted value and first exhausted
Value is multiplied to obtain the first product, the second weighted value and the second absolute value be multiplied to obtain second
Product, when the first product and the second product are all non-zeros and between the first product and the second product
When the absolute value of difference is less than preset difference value threshold value, the respective pixel quilt of the first high definition crossing image
Being defined as motion pixel, otherwise, the respective pixel of the first high definition crossing image is confirmed as static
Pixel, using the image of all motion pixels composition in the first high definition crossing image as moving image
Output, moving image is made up of one or more moving regions；
Morphological image processing equipment, is connected with connecting terminal block, also sets with moving region detection
Standby connection, for receiving moving pictures, and carries out denoising to obtain to each moving region
Obtain denoising subimage, fill up denoising subimage interior void and connect the breakpoint in denoising subimage
To obtain shaping subimage, export one or more shaping subimage；
Smoothing processing equipment, is connected with connecting terminal block, also with morphological image processing equipment even
Connect, for each the shaping subimage received is smoothed, to obtain smooth son
Image；
Medium filtering equipment, is connected with connecting terminal block, is also connected with smoothing processing equipment, uses
Process in the smooth subimage received is performed medium filtering, to filter in smooth subimage
Scattering composition, it is thus achieved that medium filtering subimage；
Change of scale strengthens equipment, is connected with connecting terminal block, is also connected with medium filtering equipment,
For the medium filtering subimage received is performed change of scale enhancement process, to obtain enhancing
Subimage；
Gray processing processing equipment, is connected with connecting terminal block, also strengthens equipment even with change of scale
Connect, for the enhancer image received being carried out gray processing process, to obtain gray processing subgraph
Picture；
Freescale MC9S12 chip is deposited with connecting terminal block, gray processing processing equipment and static state
Reservoir connects respectively, each gray processing subimage and benchmark pedestrian's gray processing picture is carried out
Joining, when matching degree is more than or equal to preset matching degree threshold value, corresponding gray processing subimage is by really
It is set to pedestrian's subimage, calculates the number of pedestrian's subimage and export as pedestrian's quantity；
Switch board communication interface, connects respectively with Freescale MC9S12 chip and static memory
Connect, receive pedestrian's quantity and traffic intersection address, determine traffic intersection address based on pedestrian's quantity
Passenger flow index, pedestrian's quantity is the most, and the passenger flow index of traffic intersection address is the biggest, and based on
Traffic intersection address taxi wireless near traffic intersection address sends the passenger flow determined and refers to
Number.
3. taxi operation assist control cabinet as claimed in claim 2, it is characterised in that:
Switch board communication equipment includes microcontroller and 4G communication interface.
4. taxi operation assist control cabinet as claimed in claim 3, it is characterised in that:
Microcontroller is connected respectively with Freescale MC9S12 chip and static memory, is used for
Receive pedestrian's quantity and traffic intersection address, and determine traffic intersection address based on pedestrian's quantity
Passenger flow index.
5. taxi operation assist control cabinet as claimed in claim 3, it is characterised in that:
4G communication interface is connected with microcontroller, is used for based on traffic intersection address to traffic road
Taxi wireless near port address sends the passenger flow index determined.
6. taxi operation assist control cabinet as claimed in claim 3, it is characterised in that:
4G communication interface is embedded on cabinet, and the equipment that microcontroller is arranged in cabinet installs crossbeam
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180604.8A CN105869240A (en) | 2016-03-27 | 2016-03-27 | Taxi operation auxiliary control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180604.8A CN105869240A (en) | 2016-03-27 | 2016-03-27 | Taxi operation auxiliary control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105869240A true CN105869240A (en) | 2016-08-17 |
Family
ID=56624941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180604.8A Withdrawn CN105869240A (en) | 2016-03-27 | 2016-03-27 | Taxi operation auxiliary control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105869240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343152A (en) * | 2017-08-25 | 2017-11-10 | 无锡北斗星通信息科技有限公司 | Real-time passenger image data correction system |
-
2016
- 2016-03-27 CN CN201610180604.8A patent/CN105869240A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107343152A (en) * | 2017-08-25 | 2017-11-10 | 无锡北斗星通信息科技有限公司 | Real-time passenger image data correction system |
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Application publication date: 20160817 |