CN107547493A - Cross-platform single-node login system based on cloud computing - Google Patents
Cross-platform single-node login system based on cloud computing Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/40—Analysis of texture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L67/50—Network services
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Abstract
The present invention relates to a kind of cross-platform single-node login system based on cloud computing, including cross-platform single sign-on equipment, glass push control device, DSP process chips and GPS navigation equipment, DSP process chips push control device with glass respectively and GPS navigation equipment is connected, determine to be sent to the driving control signal of glass pushing equipment for the navigation results based on GPS navigation equipment, in order to which glass pushing equipment carries out push control to vehicle glass.By means of the invention it is possible to improve the control efficiency of vehicle glass push.
Description
The present invention is Application No. 2016104771248, the applying date to be on June 27th, 2016, entitled " be based on cloud
The divisional application of the patent of the cross-platform single-node login system calculated ".
Technical field
The present invention relates to field of cloud calculation, more particularly to a kind of cross-platform single-node login system based on cloud computing.
Background technology
If sunlight is too strong, and manual shield plate can not cover irradiation area of the sunlight to driver, then easily to driving
Member causes unsighted situation to occur in the process of moving, so, once driver has judged front end traffic conditions by accident, or by mistake
The traveling spacing of surrounding vehicles is sentenced, has easily caused traffic accident, caused to driver, passenger and the vehicles
Certain personal injury and property loss.
Under sunlight, the skin of driver is easily tanned, may cause to peel under serious conditions, meanwhile, to driving
The route for the person of sailing brings uncomfortable driving experience, this point, is that the manufacturer of the vehicles is unwilling to see.
Steering position where being additionally, since driver is typically in the front end of the vehicles, and at other passengers
Seating position be typically in the rear ends of the vehicles, therefore, the sunlight area that driver is born, which is greater than, typically to be multiplied
The sunlight area that visitor is born, moreover, the sunlight intensity that driver is born is greater than what general passenger was born
Sunlight intensity.As can be seen here, in the decision-making blocked for sunlight, the selection of driver and the selection of general passenger are to deposit
In the possibility of conflict.
However, the sunlight mechanism of blocking for driver is generally only to be simply to set a sunshading board in the prior art,
By driver in the case where sunlight strength is too high, manually select and push sunshading board and protected, this mode excessively falls behind.Together
When, electronics sunshade means of the prior art are fairly simple, do not account for the selection and the selection of general passenger of driver
Conflict part.
Therefore, the present invention proposes a kind of technical scheme of new driver's sunshade, it is contemplated that the selection of driver
In place of the conflict of the selection of general passenger, according to the specific sunlight situation of steering position, one is set exclusively for driver
Adaptive sunshade mechanism is covered, so as to solve the contradiction between the selection of driver and the selection of general passenger.
The content of the invention
In order to solve the above problems, the invention provides a kind of cross-platform single-node login system based on cloud computing, pass through
The specific sunlight situation of detection steering position in real time, introduce multiple images processing equipment and specific sunlight situation is carried out
Quantitative analysis, while the travel direction of the vehicles is judged, so as to the position according to corresponding to travel direction, sunlight subgraph
Put and corresponding area ratio determines steering position sunshade nearby or the driving control signal except hot equipment.
According to an aspect of the present invention, there is provided a kind of cross-platform single-node login system based on cloud computing, the system
Including cross-platform single sign-on equipment, glass push control device, DSP process chips and GPS navigation equipment, DSP process chips
Control device is pushed with glass respectively and GPS navigation equipment is connected, determine to send for the navigation results based on GPS navigation equipment
To the driving control signal of glass pushing equipment, in order to which glass pushing equipment carries out push control to vehicle glass.
More specifically, in the cross-platform single-node login system based on cloud computing, including：Cross-platform single-sign-on is set
It is standby, it is connected with DSP process chips, under the control of DSP process chips, cross-platform single-sign-on to be provided for vehicle driver
Service；Polylith vehicle glass, it is separately positioned near multiple vehicle windows, the corresponding vehicle window of each piece of vehicle glass,
For being opened or closed to corresponding vehicle window, multiple vehicle windows include the skylight and four side windows of vehicle；Multiple glass
Glass pusher, the corresponding one piece of vehicle glass of each glass pusher, for controlling the push state of corresponding vehicle glass；Switch
Driver, it is connected with multiple glass pushers, is also connected with DSP process chips, for receives driving control signal, and based on drive
Dynamic control signal carries out push control to multiple glass pushers；GPS navigation equipment, it is arranged in the front end instrument board of vehicle,
For detecting in real time and exporting vehicle heading；Wherein, GPS navigation equipment comes from the Big Dipper towards Beidou navigation satellite to receive
The navigation data of aeronautical satellite, and vehicle heading is determined based on navigation data；Solar energy detection device, for detecting in real time
Current solar energy intensity；Power supply unit, including solar powered device, battery, switching switch and electric pressure converter, switching
Switch be connected with solar energy detection device, solar powered device and battery respectively, when the dump energy of battery is insufficient and
When current solar energy intensity is optionally greater than preset strength threshold value, solar powered device is switched to by solar powered device
Power supply, electric pressure converter and switching switch connection, using the 5V voltage conversions by input is switched by switching as 3.3V voltages, wherein
Solar powered device includes solar energy photovoltaic panel；Wireless charging device, it is connected respectively with solar energy detection device and battery,
When the insufficient and current solar energy intensity of the dump energy of battery is less than preset strength, built with neighbouring wireless charging terminal
To start wireless charging operation, wireless charging device is also connected with electric pressure converter to realize voltage conversion for vertical connection；DSP processing
Chip, it is arranged in the front end instrument board of vehicle, is connected respectively with GPS navigation equipment and solar data analytical equipment, for connecing
Area ratio corresponding to position corresponding to receipts vehicle heading, each sunlight subgraph difference and difference, and it is based on vehicle
Travel direction, each sunlight subgraph corresponding position and corresponding area ratio determines driving control signal respectively respectively；
Picture pick-up device, be arranged in front of vehicle drive position, for driver's seat scene is carried out IMAQ continuous in time with
Export driver's seat image；Data splitting equipment, positioned at high in the clouds, it is connected with picture pick-up device, for driver's seat image to be split
Into N number of image block, N is the natural number more than 1；N number of high in the clouds storage device, positioned at high in the clouds, it is connected, uses with data splitting equipment
In storing N number of image block respectively；Cloud service central apparatus, positioned at high in the clouds, it is connected with N number of high in the clouds storage device, for collecting
In N number of image block, and N number of image block is distributed to M high in the clouds application apparatus, M is the natural number more than 1 and M is less than etc.
In N；High in the clouds command channel management equipment, positioned at high in the clouds, for carrying out channel management to high in the clouds order；M high in the clouds application apparatus,
Positioned at high in the clouds, it is connected with cloud service central apparatus, for receiving image block be assigned to, more than one, each cloud
End application apparatus includes：The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value memory cell and gray value meter
Unit is calculated, channel parameters extraction unit is used to receive each image block, extracts the R of each pixel in image block
Passage pixel value, G passages pixel value and channel B pixel value, weighted value memory cell are used to prestore R channel weightings value, G
Channel weighting value and channel B weighted value, gray value computing unit respectively with channel parameters extraction unit and weighted value memory cell
Connection, for each pixel in image block, by the product of R passages pixel value and R channel weighting values, G passage pixel values
The pixel being directed to the product and channel B pixel value of G channel weighting values and the product addition of channel B weighted value with obtaining
Gray value, and the gray value based on each pixel in image block obtains gray level image corresponding to image block；Wherein, R
Channel weighting value value is that 0.298839, G channel weighting values value is 0.586811, and channel B weighted value value is 0.114350；
Histogram distribution detects sub- equipment, is connected with the sub- equipment of gray processing processing, for receiving gray level image, and to gray level image
Grey level histogram processing is carried out to obtain corresponding histogram image, when bimodal distribution is presented in histogram image, sends the overall situation
Threshold value selection signal, otherwise, send non-global threshold selection signal；Threshold value selects sub- equipment, is set with histogram distribution detection
Standby connection, for when receiving global threshold selection signal, exporting, receiving using global threshold 128 as threshold data
During non-global threshold selection signal, exported neighbor pixel gray difference threshold 40 as threshold data；Binary conversion treatment is set
It is standby, select sub- equipment and histogram distribution to detect sub- equipment with threshold value respectively and be connected, for receiving global threshold selection letter
Number when, for each pixel in gray level image, when gray value is more than or equal to threshold data, by for pixel
Be arranged to white level pixel, when gray value is less than threshold data, by for pixel be arranged to black level pixel, and
Binary image corresponding to output gray level image；The sub- equipment of binary conversion treatment is additionally operable to receiving non-global threshold selection letter
Number when, for each pixel in gray level image, calculate vertical direction upwards apart from the pixel of its 3 pixels
Gray value is as upper grey scale pixel value, and calculating vertical direction is downwards under the gray value of the pixel of its 3 pixels is used as
Grey scale pixel value, calculated level direction to the left apart from its 3 pixels pixel gray value as left grey scale pixel value, meter
Calculate horizontal direction to the right apart from its 3 pixels pixel gray value as right grey scale pixel value, when upper grey scale pixel value
It is less than or equal to threshold data and the difference of left grey scale pixel value and right grey scale pixel value with the absolute value of the difference of lower grey scale pixel value
When absolute value is less than or equal to threshold data, by for pixel be arranged to white level pixel, when upper grey scale pixel value and under
The absolute value of the difference of grey scale pixel value is more than threshold data or the absolute value of the difference of left grey scale pixel value and right grey scale pixel value is big
When threshold data, by for pixel be arranged to black level pixel, and binary picture corresponding to output gray level image
Picture；The sub- equipment of picture smooth treatment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, for binary picture
Each pixel as in, when more than half trip point in adjacent all pixels point be present, then by for pixel
The gray value of point retains, otherwise, by for the gray value of pixel be arranged to white level pixel, and export binary image
Corresponding smoothed image；Data merge equipment, positioned at high in the clouds, are connected with M high in the clouds application apparatus, for each high in the clouds to be answered
The smoothed image exported with the sub- equipment of the picture smooth treatment of equipment is spliced to obtain smooth integration image；Wiener filtering is set
It is standby, merge equipment with data and be connected, for receiving smooth integration image, Wiener filtering processing is performed to smooth integration image to obtain
Filtering image, wherein Wiener filtering handle for so that the mean square error minimum of smooth integration image and filtering image to remove
White noise and speckle noise in smooth integration image；Solar data analytical equipment, it is arranged in the front end instrument board of vehicle, with
Wiener filtering equipment is connected to obtain filtering image；For each pixel in filtering image, by its gray value with presetting
Sunlight tonal range is matched, and when its gray value is in default sunlight tonal range, determines that it is sunlight pixel；Will filter
The region of all sunlight pixels composition in ripple image is split from filtering image to obtain each sunlight subgraph；And
Determine its position in filtering image based on each sunlight subgraph and calculate it to occupy the area ratio of filtering image；
Export area ratio corresponding to position corresponding to each sunlight subgraph difference and difference.
More specifically, in the cross-platform single-node login system based on cloud computing：DSP process chips include timing list
Member.
More specifically, in the cross-platform single-node login system based on cloud computing：It is single that DSP process chips include storage
Member.
More specifically, in the cross-platform single-node login system based on cloud computing：Memory cell is default for storing
Sunlight tonal range.
More specifically, in the cross-platform single-node login system based on cloud computing, in addition to：Compact Flash, it is used for
The default sunlight tonal range of storage.
More specifically, in the cross-platform single-node login system based on cloud computing：Compact Flash is arranged on vehicle
In the instrument board of front end.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the structure square frame of the cross-platform single-node login system based on cloud computing according to embodiment of the present invention
Figure.
Reference：1 glass pushes control device；2DSP process chip 3GPS navigation equipments
Embodiment
The embodiment of the cross-platform single-node login system based on cloud computing of the present invention is carried out below with reference to accompanying drawings
Describe in detail.
Under fair weather, sunlight may cause many adverse effects to the driver of the vehicles, such as influence to drive
The member visual field, and cause driver's skin lesion or cause driver's heatstroke situation to occur, the driving to driver brings hidden danger,
Meanwhile injury is brought to the body of driver.
In the prior art, a kind of settling mode is to set a sunshading board in the front of steering position, in sunlight mistake
Strong or in the case that sunlight area is larger, driver can voluntarily put down sunshading board manually, and skin of face is protected,
The situation for avoiding intense direct illumination eyes simultaneously and bringing the visual field to be obstructed occurs.
, can not whole to driver facial or even whole trunk it will be apparent that above-mentioned manual Types ofshading sunshade scope is smaller
Effectively protected.Therefore, in the prior art, there is provided sunlight strength near steering position for some vehicle manufacturers
The electron detection device of electron detection device or sunlight scope, the protection operator scheme of relevant device is determined according to testing result.
But above-mentioned electronics Types ofshading is also excessively simple, on the one hand, do not account for vehicle travels direction to sun
The influence that light irradiation is brought, cause shaded effects not high, on the other hand, do not account in sunshade policy selection, driver
Selection and general passenger selection exist conflict part, it is consistent, nothing to cause the sunshade means for the whole vehicles
Method allowing for driver and the demand of other passengers, such as the air-conditioner temperature and wind of the vehicles when sunlight is too strong, may be increased
Amount, occur so as to cause driver to obtain situation comfortable and that other passenger's body-sensings are excessively cool.
In order to overcome above-mentioned deficiency, the present invention has built a kind of cross-platform single-node login system based on cloud computing, perfect
Existing electronics sunshade mechanism, is detected by the sunlight strength to steering position and sunlight scope, by association
Vehicle travels direction is the most key to determine sunshade strategy, it is determined that sunshade strategy be to be customized for driver, fill
Divide the different sun-shading requirements for considering driver and other passengers, so as to be provided preferably for all personnel to ride public transportation means
Consumer's Experience.
Fig. 1 is the structure square frame of the cross-platform single-node login system based on cloud computing according to embodiment of the present invention
Figure, the system include cross-platform single sign-on equipment, glass push control device, DSP process chips and GPS navigation equipment,
DSP process chips push control device with glass respectively and GPS navigation equipment is connected, for the navigation based on GPS navigation equipment
As a result determination is sent to the driving control signal of glass pushing equipment, in order to which glass pushing equipment pushes to vehicle glass
Control.
Then, continue to carry out further the concrete structure of the cross-platform single-node login system based on cloud computing of the present invention
Explanation.
The system includes：Cross-platform single sign-on equipment, it is connected with DSP process chips, in DSP process chips
Under control, cross-platform single-sign-on services are provided for vehicle driver；Polylith vehicle glass, it is separately positioned on multiple vehicle windows
Near, the corresponding vehicle window of each piece of vehicle glass, for being opened or closed to corresponding vehicle window, multiple vehicles
Window includes the skylight and four side windows of vehicle.
The system includes：Multiple glass pushers, the corresponding one piece of vehicle glass of each glass pusher, for controlling
The push state of corresponding vehicle glass；Switch driver, it is connected with multiple glass pushers, is also connected with DSP process chips, uses
In reception driving control signal, and push control is carried out to multiple glass pushers based on driving control signal.
The system includes：GPS navigation equipment, it is arranged in the front end instrument board of vehicle, for detecting and exporting in real time
Vehicle heading；Wherein, GPS navigation equipment towards Beidou navigation satellite to receive the navigation number from Beidou navigation satellite
According to, and vehicle heading is determined based on navigation data；Solar energy detection device, for detecting current solar energy intensively in real time
Degree.
The system includes：Power supply unit, including solar powered device, battery, switching switch and electric pressure converter,
Switching switch be connected respectively with solar energy detection device, solar powered device and battery, when battery dump energy not
When sufficient and current solar energy intensity is optionally greater than preset strength threshold value, solar powered device is switched to by solar powered
Device is powered, electric pressure converter and switching switch connection, using the 5V voltage conversions by input is switched by switching as 3.3V voltages,
Wherein solar powered device includes solar energy photovoltaic panel.
The system includes：Wireless charging device, it is connected respectively with solar energy detection device and battery, when battery
When dump energy is insufficient and current solar energy intensity is less than preset strength, establishes and connected to open with neighbouring wireless charging terminal
Dynamic wireless charging operation, wireless charging device are also connected with electric pressure converter to realize voltage conversion.
The system includes：DSP process chips, be arranged in the front end instrument board of vehicle, respectively with GPS navigation equipment and
Solar data analytical equipment connect, for receive vehicle heading, each sunlight subgraph respectively corresponding to position and point
Not corresponding area ratio, and based on vehicle heading, each sunlight subgraph respectively corresponding to position and correspond to respectively
Area ratio determine driving control signal；Picture pick-up device, it is arranged in front of vehicle drive position, for driver's seat scene
IMAQ continuous in time is carried out to export driver's seat image.
The system includes：Data splitting equipment, positioned at high in the clouds, it is connected with picture pick-up device, for by driver's seat image
N number of image block is divided into, N is the natural number more than 1；N number of high in the clouds storage device, positioned at high in the clouds, connect with data splitting equipment
Connect, for storing N number of image block respectively；Cloud service central apparatus, positioned at high in the clouds, it is connected, uses with N number of high in the clouds storage device
M high in the clouds application apparatus is distributed in the N number of image block of concentration, and by N number of image block, M is the natural number more than 1 and M is small
In equal to N；High in the clouds command channel management equipment, positioned at high in the clouds, for carrying out channel management to high in the clouds order.
The system includes：M high in the clouds application apparatus, positioned at high in the clouds, it is connected with cloud service central apparatus, for receiving
Image block be assigned to, more than one.
Each high in the clouds application apparatus includes：The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value are deposited
Storage unit and gray value computing unit, channel parameters extraction unit are used to receive each image block, extract image block
In each pixel R passages pixel value, G passages pixel value and channel B pixel value, weighted value memory cell be used for deposit in advance
Stored up R channel weightings value, G channel weightings value and channel B weighted value, gray value computing unit respectively with channel parameters extraction unit
Connected with weighted value memory cell, for each pixel in image block, by R passages pixel value and R channel weighting values
The product addition of product, the product of G passages pixel value and G channel weighting values and channel B pixel value and channel B weighted value is to obtain
The gray value for the pixel being directed to is taken, and the gray value based on each pixel in image block obtains ash corresponding to image block
Degreeization image；Wherein, R channel weightings value value is that 0.298839, G channel weighting values value is 0.586811, channel B weighted value
Value is 0.114350.
Each high in the clouds application apparatus includes：Histogram distribution detects sub- equipment, is connected, uses with the sub- equipment of gray processing processing
In reception gray level image, and grey level histogram processing is carried out to gray level image to obtain corresponding histogram image, straight
When bimodal distribution is presented in square figure image, global threshold selection signal is sent, otherwise, sends non-global threshold selection signal；Threshold value
Sub- equipment is selected, detecting sub- equipment with histogram distribution is connected, for when receiving global threshold selection signal, by global threshold
Value 128 exports as threshold data, and when receiving non-global threshold selection signal, neighbor pixel gray difference threshold 40 is made
Exported for threshold data.
Each high in the clouds application apparatus includes：The sub- equipment of binary conversion treatment, select sub- equipment and histogram with threshold value respectively
Distribution detects the connection of sub- equipment, for when receiving global threshold selection signal, for each picture in gray level image
Vegetarian refreshments, when gray value is more than or equal to threshold data, by for pixel be arranged to white level pixel, when gray value is less than
During threshold data, by for pixel be arranged to black level pixel, and binary image corresponding to output gray level image.
The sub- equipment of binary conversion treatment is additionally operable to when receiving non-global threshold selection signal, for each picture in gray level image
Vegetarian refreshments, it is vertical as upper grey scale pixel value, calculating to calculate gray value of the vertical direction upwards apart from the pixel of its 3 pixels
Direction downwards apart from its 3 pixels pixel gray value as lower grey scale pixel value, calculated level direction distance to the left
The gray value of the pixel of its 3 pixels is as left grey scale pixel value, and calculated level direction is to the right apart from its 3 pixels
The gray value of pixel is as right grey scale pixel value, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are less than etc.
When threshold data and the absolute value of the difference of left grey scale pixel value and right grey scale pixel value are less than or equal to threshold data, by for
Pixel is arranged to white level pixel, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are more than threshold data
Or the absolute value of the difference of left grey scale pixel value and right grey scale pixel value is when being more than threshold data, by for pixel be arranged to black
Level pixel point, and binary image corresponding to output gray level image.
Each high in the clouds application apparatus includes：The sub- equipment of picture smooth treatment, it is connected, is used for the sub- equipment of binary conversion treatment
Receive binary image, for each pixel in binary image, when exist in adjacent all pixels point half with
On trip point when, then by for the gray value of pixel retain, otherwise, by for the gray value of pixel be arranged to white
Level pixel point, and export smoothed image corresponding to binary image.
The system includes：Data merge equipment, positioned at high in the clouds, be connected with M high in the clouds application apparatus, for by each
The smoothed image of the sub- equipment output of picture smooth treatment of high in the clouds application apparatus is spliced to obtain smooth integration image.
The system includes：Wiener filtering equipment, merge equipment with data and be connected, it is right for receiving smooth integration image
Smooth integration image performs Wiener filtering processing to obtain filtering image, and wherein Wiener filtering is handled for causing smooth integration figure
As removing the white noise and speckle noise in smooth integration image with the mean square error minimum of filtering image.
The system includes：Solar data analytical equipment, it is arranged in the front end instrument board of vehicle, with Wiener filtering equipment
Connect to obtain filtering image；For each pixel in filtering image, by its gray value and default sunlight tonal range
Matched, when its gray value is in default sunlight tonal range, determine that it is sunlight pixel；By the institute in filtering image
The region being made up of sunlight pixel is split from filtering image to obtain each sunlight subgraph；And based on each sun
Photon image determines its position in filtering image and calculates it to occupy the area ratio of filtering image；Export each sunlight
Area ratio corresponding to position corresponding to subgraph difference and difference.
Alternatively, in the system：DSP process chips include timing unit；DSP process chips include memory cell；
Memory cell is used to store default sunlight tonal range；Also include：Compact Flash, for storing default sunlight tonal range；CF
Storage card is arranged in the front end instrument board of vehicle.
It is a kind of particularly suitable for carrying out Digital Signal Processing computing in addition, dsp chip, also referred to as digital signal processor
Microprocessor, its mainly application be to realize various digital signal processing algorithms real-time.
According to the requirement of Digital Signal Processing, dsp chip typically has following main feature：(1) in an instruction cycle
It is interior to complete a multiplication and a sub-addition；(2) program and data space is separated, can simultaneously access instruction and data；(3) piece
It is interior that there is quick RAM, it can generally be accessed simultaneously in two pieces by independent data/address bus；(4) there is low overhead or without expense
The hardware supported for circulating and redirecting；(5) quickly interrupt processing and Hardware I/O are supported；(6) it is more with being operated within the monocycle
Individual hardware address generator；(7) multiple operations can be performed parallel；(8) pile line operation is supported, makes fetching, decoding and execution
Can be with Overlapped Execution Deng operation.
Can not be steering position for prior art using the cross-platform single-node login system based on cloud computing of the present invention
Driver the technical problem of customization sunshade strategy is provided, by carrying out IMAQ to the sunlight situation of steering position,
Introduce a series of images processing equipment accurately to analyze the image collected, by analysis result combination vehicle travels side
To determine the visor mode at steering position.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all 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 change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (2)
1. a kind of cross-platform single-node login system based on cloud computing, the system includes cross-platform single sign-on equipment, glass
Control device, DSP process chips and GPS navigation equipment are pushed, DSP process chips push control device and GPS with glass respectively
Navigation equipment connects, and determines to be sent to the drive control letter of glass pushing equipment for the navigation results based on GPS navigation equipment
Number, in order to which glass pushing equipment carries out push control to vehicle glass.
2. the cross-platform single-node login system based on cloud computing as claimed in claim 1, it is characterised in that the system bag
Include：
Cross-platform single sign-on equipment, it is connected with DSP process chips, under the control of DSP process chips, being vehicle drive
Member provides cross-platform single-sign-on services；
Polylith vehicle glass, it is separately positioned near multiple vehicle windows, the corresponding vehicle window of each piece of vehicle glass, uses
Opened or closed in corresponding vehicle window, multiple vehicle windows include the skylight and four side windows of vehicle；
Multiple glass pushers, the corresponding one piece of vehicle glass of each glass pusher, for controlling pushing away for corresponding vehicle glass
Send state；
Switch driver, it is connected with multiple glass pushers, is also connected with DSP process chips, for receiving driving control signal,
And push control is carried out to multiple glass pushers based on driving control signal；
GPS navigation equipment, it is arranged in the front end instrument board of vehicle, for detecting in real time and exporting vehicle heading；Wherein,
GPS navigation equipment towards Beidou navigation satellite to receive the navigation data from Beidou navigation satellite, it is and true based on navigation data
Determine vehicle heading；
Solar energy detection device, for detecting current solar energy intensity in real time；
Power supply unit, including solar powered device, battery, switching switch and electric pressure converter, switching switch respectively with too
Positive energy detection device, solar powered device connect with battery, when the solar energy that the dump energy of battery is insufficient and current
When intensity is optionally greater than preset strength threshold value, solar powered device is switched to be powered by solar powered device, and voltage turns
Parallel operation and switching switch connection, using the 5V voltage conversions by input is switched by switching as 3.3V voltages, wherein solar powered
Device includes solar energy photovoltaic panel；
Wireless charging device, it is connected respectively with solar energy detection device and battery, when the dump energy of battery is insufficient and works as
When preceding solar energy intensity is less than preset strength, establishes and connected to start wireless charging operation with neighbouring wireless charging terminal,
Wireless charging device is also connected with electric pressure converter to realize voltage conversion；
DSP process chips, be arranged in the front end instrument board of vehicle, respectively with GPS navigation equipment and solar data analytical equipment
Connection, for receive vehicle heading, each sunlight subgraph respectively corresponding to position and respectively corresponding to area ratio,
And driving is determined based on area ratio corresponding to position corresponding to vehicle heading, each sunlight subgraph difference and difference
Control signal；
Picture pick-up device, it is arranged in front of vehicle drive position, is adopted for carrying out image continuous in time to driver's seat scene
Collect to export driver's seat image；
Data splitting equipment, positioned at high in the clouds, it is connected with picture pick-up device, for driver's seat image to be divided into N number of image block,
N is the natural number more than 1；
N number of high in the clouds storage device, positioned at high in the clouds, it is connected with data splitting equipment, for storing N number of image block respectively；
Cloud service central apparatus, positioned at high in the clouds, it is connected with N number of high in the clouds storage device, for concentrating N number of image block, and by N
Individual image block is distributed to M high in the clouds application apparatus, and M is the natural number more than 1 and M is less than or equal to N；
High in the clouds command channel management equipment, positioned at high in the clouds, for carrying out channel management to high in the clouds order；
M high in the clouds application apparatus, positioned at high in the clouds, be connected with cloud service central apparatus, for receive be assigned to, more than one
Image block, each high in the clouds application apparatus includes：
The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value memory cell and gray value computing unit, passage
Parameter extraction unit be used for receive each image block, extract each pixel in image block R passages pixel value,
G passages pixel value and channel B pixel value, weighted value memory cell are used to prestore R channel weightings value, G channel weighting values
With channel B weighted value, gray value computing unit is connected with channel parameters extraction unit and weighted value memory cell respectively, for figure
As each pixel in piecemeal, by R passages pixel value and product, G passages pixel value and the G channel weightings of R channel weighting values
The gray value for the pixel that the product and channel B pixel value of value are directed to the product addition of channel B weighted value with obtaining, and base
The gray value of each pixel obtains gray level image corresponding to image block in image block；Wherein, R channel weightings value takes
It is 0.586811 to be worth for 0.298839, G channel weighting values value, and channel B weighted value value is 0.114350；
Histogram distribution detects sub- equipment, is connected with the sub- equipment of gray processing processing, for receiving gray level image, and to gray processing
Image carries out grey level histogram processing to obtain corresponding histogram image, when bimodal distribution is presented in histogram image, sends
Global threshold selection signal, otherwise, send non-global threshold selection signal；
Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution is connected, for when receiving global threshold selection signal,
Exported global threshold 128 as threshold data, when receiving non-global threshold selection signal, by neighbor pixel gray scale difference
Threshold value 40 exports as threshold data；
The sub- equipment of binary conversion treatment, select sub- equipment and histogram distribution to detect sub- equipment with threshold value respectively and be connected, for connecing
When receiving global threshold selection signal, for each pixel in gray level image, when gray value is more than or equal to number of threshold values
According to when, by for pixel be arranged to white level pixel, when gray value is less than threshold data, by for pixel set
It is set to black level pixel, and binary image corresponding to output gray level image；The sub- equipment of binary conversion treatment is additionally operable to connecing
When receiving non-global threshold selection signal, for each pixel in gray level image, the upward distance of vertical direction is calculated
The gray value of the pixel of its 3 pixels calculates vertical direction downwards apart from its 3 pixels as upper grey scale pixel value
The gray value of pixel as lower grey scale pixel value, calculated level direction to the left apart from its 3 pixels pixel gray scale
Value be used as left grey scale pixel value, calculated level direction to the right apart from its 3 pixels pixel gray value as right pixel
Gray value, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are less than or equal to threshold data and left grey scale pixel value
When being less than or equal to threshold data with the absolute value of the difference of right grey scale pixel value, by for pixel be arranged to white level pixel
Point, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are more than threshold data or left grey scale pixel value and right pixel
When the absolute value of the difference of gray value is more than threshold data, by for pixel be arranged to black level pixel, and output gray level
Change binary image corresponding to image；
The sub- equipment of picture smooth treatment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, for binary picture
Each pixel as in, when more than half trip point in adjacent all pixels point be present, then by for pixel
The gray value of point retains, otherwise, by for the gray value of pixel be arranged to white level pixel, and export binary image
Corresponding smoothed image；
Data merge equipment, positioned at high in the clouds, are connected with M high in the clouds application apparatus, for by the figure of each high in the clouds application apparatus
As the smoothed image that the sub- equipment of smoothing processing exports is spliced to obtain smooth integration image；
Wiener filtering equipment, merge equipment with data and be connected, for receiving smooth integration image, dimension is performed to smooth integration image
Filtering process is received to obtain filtering image, wherein Wiener filtering is handled for causing the square of smooth integration image and filtering image
Error minimum is to remove the white noise and speckle noise in smooth integration image；
Solar data analytical equipment, it is arranged in the front end instrument board of vehicle, is connected with Wiener filtering equipment to obtain filtering figure
Picture；For each pixel in filtering image, its gray value is matched with default sunlight tonal range, when its gray scale
When value is in default sunlight tonal range, sunlight pixel is determined that it is；All sunlight pixels in filtering image are formed
Region split from filtering image to obtain each sunlight subgraph；And based on each sunlight subgraph determine its
Position in filtering image and calculate it and occupy the area ratio of filtering image；Export corresponding to each sunlight subgraph difference
Area ratio corresponding to position and difference；
Compact Flash, for storing default sunlight tonal range；
Compact Flash is arranged in the front end instrument board of vehicle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610778302.0A CN107547493A (en) | 2016-06-27 | 2016-06-27 | Cross-platform single-node login system based on cloud computing |
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| CN201610477124.8A CN106161597A (en) | 2016-06-27 | 2016-06-27 | Cross-platform single-node login system based on cloud computing |
| CN201610778302.0A CN107547493A (en) | 2016-06-27 | 2016-06-27 | Cross-platform single-node login system based on cloud computing |
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