CN107547830B - Cloud computing system - Google Patents
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- CN107547830B CN107547830B CN201610477881.5A CN201610477881A CN107547830B CN 107547830 B CN107547830 B CN 107547830B CN 201610477881 A CN201610477881 A CN 201610477881A CN 107547830 B CN107547830 B CN 107547830B
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Abstract
The present invention relates to a kind of cloud computing systems, including spectators' face brightness detection device, projection room ambient brightness detection device and infrared laser equipment, infrared laser equipment is used to determine the Laser emission direction of itself based on the output of spectators' face brightness detection device and the output of projection room ambient brightness detection device.By means of the invention it is possible to effectively control the direction of the launch of laser body.
Description
Technical field
The present invention relates to field of cloud calculation more particularly to a kind of cloud computing systems.
Background technology
In order to detect the uncommitted digital multimedia video illegally propagated, digital watermark by universal research and is answered
With extensive.In Making Movies or film ejection stage, implantation can be taken to make one eye in film and can't see " pattern " information
Method.If these films are taken on the sly record by video camera, collection of illustrative plates of this insertion can be extracted and identify pirate
Source.
Some industry leaders are in order to identify and tracing pirate film, it is proposed that by the method for Coded Anti-Piracy (CAP),
I.e. toward increasing watermark in film.First Coded Anti-Piracy is designed by Kodak, subsequent Deluxe Laboratories couple
It is improved.Philips also proposed a mark system for being named as CineFence in 2006.However, digital watermark is only
It is a kind of passive measure, he cannot eliminate and prevent camera shooting to take on the sly.On the other hand, camera perturbation technique is intended to by seriously breaking
Bad film visual quality is taken on the sly to eliminate camera shooting, meanwhile, so that these interference signals is not interfered with the spectators of movie theatre.
Early stage, the principle of imaging sensor response infrared ray was mainly utilized in a large amount of camera interference method.It is moved to interfere
It moves video camera and generates light in the picture of shooting, infrared emitter is mounted in the cinema.In addition to those transmitters
Etc. additional cost and regular job expense, this scheme can be by enclosing filter appropriate on camera lens.But it is this
Mode is easy to be avoided because of the selection of the person of taking on the sly.
Therefore, it is necessary to a kind of new anti-pirates shoot technical solutions in performance scene, can carry out electronic analysis to auditorium image,
Electronic analysis is carried out to live performance environment, and carries out the person of taking on the sly based on two kinds of analysis results and judges, in addition, being also based on the person of taking on the sly
Location information the person of taking on the sly is reminded, the oriented detection and orientation to realize the live person of taking on the sly of performance alert.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of cloud computing systems, and auditorium Image Acquisition is arranged at the scene
Equipment completes the extraction to auditorium image, is introduced into various image processing equipments and image analysis equipment judges in auditorium image
With the presence or absence of the suspicious person of taking on the sly, there are the suspicious person of taking on the sly, seat where extracting the suspicious person of taking on the sly
Number is then also at the scene measured in real time environmental parameter or current performance content, with according to the letter of the suspicious person of taking on the sly
Breath and Site Detection result determine the really person of taking on the sly.
According to an aspect of the present invention, a kind of cloud computing system is provided, the system comprises spectators' face brightness detections
Equipment, projection room ambient brightness detection device and infrared laser equipment, infrared laser equipment are used to examine based on spectators' face brightness
The output of measurement equipment and the output of projection room ambient brightness detection device determine the Laser emission direction of itself.
More specifically, in the cloud computing system, including：DSP processing chips are arranged in the Background control room of theater
It is interior, it is connect away from detection device with brightness, for sending out the drive control numbered including targeted seat based on targeted seat number
Signal；Timer is arranged in the Background control room of theater, for providing timing signal；Ambient brightness sensing equipment, setting exist
Theater roof middle position, for incuding the real-time luminosity of theater internal environment to be exported as real time environment brightness；Face is bright
Detection device is spent, is arranged in the Background control room of theater, is connect with human face region splitting equipment with everyone face of reception
Image seat number corresponding with its, the gray value for each pixel based on everyone face image calculate everyone
The brightness of image of face image as real-time face brightness to export；Brightness deviates from detection device, is arranged in the control of the backstage of theater
System is indoor, is connect respectively with timer, ambient brightness detection device and face brightness detection device, bright for receiving real time environment
The real-time face brightness for spending and receiving everyone face image, for everyone face image, when its real-time face is bright
When degree reaches predetermined time period threshold value with the time that real time environment brightness deviates from, the corresponding seat number of face subgraph is made
It numbers and exports for targeted seat；Motor driving apparatus is arranged in the Background control room of theater, respectively with DSP processing chips and
Motor device connect, the driving control signal sent for receiving DSP processing chips, and to driving control signal parsed with
It determines that targeted seat is numbered, target level angle and target pitch angle is calculated based on targeted seat number；Motor device, setting
Roof position right over theater draw curtain, connect with motor driving apparatus and infrared laser pen respectively, including horizontal drive electricity
Machine and vertical driving motor, horizontal drive motor are used to the level angle of infrared laser pen being adjusted to target level angle, hang down
Straight driving motor is used to the pitch angle of infrared laser pen being adjusted to target pitch angle；Wherein, motor device drives in level
Dynamic motor and vertical driving motor send out laser opening signal after all adjusting；Infrared laser pen, setting theater draw curtain just
The roof position of top, connect with DSP processing chips and motor device respectively, including battery, Laser emission switch and laser hair
Emitter, battery are used to provide supply of electric power for the Laser emission of infrared laser pen, and Laser emission switch is receiving drive control
Opening state is switched to after signal and when receiving laser opening signal, laser emitter includes pump diode, for swashing
The laser signal that launch wavelength is 671 nanometers in the case that light emitting switch is opened；High-definition image collecting device is arranged in theater
Roof middle position, for the auditorium progress Image Acquisition to theater draw curtain opposite to export high-definition image, high-definition image
Resolution ratio is 3840 × 2160；Data splitting equipment is located at high in the clouds, is connect with high-definition image collecting device, is used for high definition figure
It is the natural number more than 1 as being divided into N number of image block, N；High in the clouds command channel management equipment is located at high in the clouds, for high in the clouds
Order carries out channel management；N number of high in the clouds storage device is located at high in the clouds, is connect with data splitting equipment, N number of for storing respectively
Image block；Cloud service central apparatus is located at high in the clouds, is connect with N number of high in the clouds storage device, for concentrating 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 or equal to N；M high in the clouds application
Equipment is located at high in the clouds, is connect with cloud service central apparatus, each for receiving image block be assigned to, more than one
A high in the clouds application apparatus includes：The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value storage unit and gray scale
It is worth computing unit, channel parameters extraction unit extracts each pixel in image block for receiving each image block
The channels R pixel value, the channels G pixel value and the channel B pixel value of point, weighted value storage unit add for having prestored the channels R
Weights, G channel weightings value and channel B weighted value, gray value computing unit are deposited with channel parameters extraction unit and weighted value respectively
Storage unit connects, for each pixel in image block, by the product of the channels R pixel value and R channel weighting values, the channels G
Pixel value is with the product and channel B pixel value of G channel weighting values and the product addition of channel B weighted value to obtain the picture being directed to
The gray value of vegetarian refreshments, and the gray value based on each pixel in image block obtains the corresponding gray level image of image block；
Wherein, it is 0.586811 that R channel weightings value value, which is 0.298839, G channel weightings value value, and channel B weighted value value is
0.114350；Histogram distribution detects sub- equipment, is connect with the sub- equipment of gray processing processing, for receiving gray level image, and it is right
Gray level image carries out grey level histogram processing to obtain corresponding histogram image, and bimodal distribution is presented in histogram image
When, global threshold selection signal is sent out, otherwise, sends out non-global threshold selection signal；Threshold value selects sub- equipment, with histogram point
Cloth detects sub- equipment connection, for when receiving global threshold selection signal, being used as threshold data defeated global threshold 128
Go out, when receiving non-global threshold selection signal, neighbor pixel gray difference threshold 40 is exported as threshold data；Two-value
Change and handle sub- equipment, selects sub- equipment and histogram distribution to detect sub- equipment with threshold value respectively and connect, for receiving the overall situation
When threshold value selection signal, for each pixel in gray level image, when gray value is more than or equal to threshold data, by needle
To pixel be set as white level pixel, when gray value be less than threshold data when, by for pixel be set as black appliances
Flat pixel, and the corresponding binary image of output gray level image；The sub- equipment of binary conversion treatment be additionally operable to receive it is non-complete
When office's threshold value selection signal, for each pixel in gray level image, vertical direction is calculated upwards apart from its 3 pixels
The gray value of the pixel of point calculates the vertical direction pixel apart from its 3 pixels downwards as upper grey scale pixel value
Gray value is as lower grey scale pixel value, and the gray value of the calculated level direction pixel apart from its 3 pixels to the left is as left
Grey scale pixel value, the gray value of the calculated level direction pixel apart from its 3 pixels to the right as right grey scale pixel value, when
The absolute value of the difference of upper grey scale pixel value and lower grey scale pixel value is less than or equal to threshold data and left grey scale pixel value and right pixel
The absolute value of the difference of gray value be less than or equal to threshold data when, by for pixel be set as white level pixel, when upper picture
The absolute value of the difference of plain gray value and lower grey scale pixel value be more than threshold data or left grey scale pixel value and right grey scale pixel value it
Absolute value of the difference be more than threshold data when, by for pixel be set as black level pixel, and output gray level image pair
The binary image answered；The sub- equipment of picture smooth treatment is connect with the sub- equipment of binary conversion treatment, for receiving binary image,
For each pixel in binary image, when in adjacent all pixels point there are when the trip point of more than half, then
By for the gray value of pixel retain, otherwise, by for the gray value of pixel be set as white level pixel, and it is defeated
Go out the corresponding smoothed image of binary image；The sub- equipment of medium filtering is connect with the sub- equipment of image balance processing, flat for receiving
Sliding image carries out following processing to obtain filtering image for each pixel in smoothed image as target pixel points：With
The centre of form of the filter module of position of the target pixel points in smoothed image alternatively takes out multiple pixels in smoothed image
It selects and takes as multiple reference image vegetarian refreshments maximum value in the pixel value of multiple reference image vegetarian refreshments and minimum value using as pixel maximum
Value and pixel minimum determine the average value of pixel maximum and pixel minimum using as pixel average, for each
Reference image vegetarian refreshments replaces its pixel value, if its pixel value is more than or equal to if its pixel value is less than pixel average with 0
Pixel average then retains its pixel value, finally using the average value of the pixel value of multiple reference image vegetarian refreshments as target pixel points
Pixel value output；Data merge equipment, are located at high in the clouds, are connect with M high in the clouds application apparatus, for applying each high in the clouds
The filtering image of the sub- equipment output of medium filtering of equipment is spliced to obtain filtering integral image；Human face region segmentation is set
It is standby, it is arranged in the Background control room of theater, merging equipment with data connect to obtain filtering integral image；It is integrated for filtering
Each pixel in image matches its gray value with default face tonal range, when its gray value is in default people
When in face tonal range, face pixel is determined that it is；The region of the composition of all face pixels in integral image will be filtered
It is split from filtering integral image to obtain each face subgraph；For everyone face image, filtered for it
The corresponding seat number of face subgraph that location determination in wave integral image is directed to；Wherein, for face subgraph pair
The seat number answered is the theater seat number where the corresponding spectators of people's face image；Wherein, the real-time people of face subgraph
Face brightness and the method for determination that real time environment brightness deviates from are as follows：When the real-time face brightness of face subgraph is more than real time environment
When brightness, determine that the real-time face brightness of face subgraph deviates from real time environment brightness, when the real-time face of face subgraph
When brightness is less than or equal to real time environment brightness, determines the real-time face brightness of face subgraph and real time environment brightness is non-deviates from；
Wherein, infrared laser pen further includes receiver of remote-control sytem, and remote signal and laser shutdown are opened for receiving the laser that distal end is sent
Remote signal.
More specifically, in the cloud computing system：The gray value of black level pixel is 0.
More specifically, in the cloud computing system：The gray value of white level pixel is 255.
More specifically, in the cloud computing system, further include：Mobile hard disk, for prestoring R channel weightings value, G
Channel weighting value and channel B weighted value.
More specifically, in the cloud computing system：Mobile hard disk is arranged in the Background control room of projection room.
More specifically, in the cloud computing system：Mobile hard disk is additionally operable to store default face tonal range.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is the block diagram according to the cloud computing system shown in embodiment of the present invention.
Reference numeral：1 spectators' face brightness detection device；2 projection room ambient brightness detection devices；3 infrared laser equipment
Specific implementation mode
The embodiment of the cloud computing system of the present invention is described in detail below with reference to accompanying drawings.
The artificial anti-mode taken on the sly has inborn deficiency, in order to overcome above-mentioned drawback, reduces the anti-operation cost taken on the sly,
The anti-working efficiency taken on the sly is improved, operator always searches for the anti-mode taken on the sly of electronics and carries out on-site supervision, and electronics is anti-to take on the sly
There are two types of developing direction, and one is making an issue of on the mobile terminal that spectators hold, when mobile terminal is shot, detection is stolen automatically
Bat behavior, but this mode may be because that the person of taking on the sly is avoided the selection of mobile terminal, another kind is at the scene of taking on the sly
Electronic jamming device is disposed, this mode can evading to avoid the person of taking on the sly.
The existing anti-electronic jamming device taken on the sly is that a kind of infrared facility is placed in the back side of curtain or stage,
Infrared facility sends out the sightless infrared ray of human eye, infrared if the person of taking on the sly is carrying out mobile terminal or video camera shooting
Line will interfere the video camera imaging of the person of taking on the sly, and the image or lower picture quality for causing the person of taking on the sly to obtain can not be sold on the market
It sells and is propagated on network, to effectively safeguard copyright interest.
But this mode needs to emit infrared ray always, and the transmitting of infrared ray is large-scale, is needed from each
Position all emits infrared ray, and cost is higher and poor feasibility.Therefore the anti-equipment of taking on the sly of the electronics at scene also needs to find other
Break through direction.
It, can be by being seen in audience seat in order to overcome above-mentioned deficiency, the present invention to build a kind of cloud computing system
Many behavioral value and the person of taking on the sly whether there is to determine by the parameter extraction to site environment in audience seat, and energy
It is enough that the position where the person of taking on the sly is positioned in time, in order to take corresponding orientation warning measure, the person of taking on the sly is reminded to abandon
It takes on the sly behavior.
Fig. 1 is the block diagram according to the cloud computing system shown in embodiment of the present invention, and the system comprises spectators
Face brightness detection device, projection room ambient brightness detection device and infrared laser equipment, infrared laser equipment are used for based on sight
The output of everybody's face brightness detection device and the output of projection room ambient brightness detection device determine the Laser emission direction of itself.
Then, continue that the concrete structure of the cloud computing system of the present invention is further detailed.
The system comprises：DSP processing chips are arranged in the Background control room of theater, deviate from detection device with brightness
Connection, for sending out the driving control signal numbered including targeted seat based on targeted seat number；Timer is arranged in theater
Background control room in, for providing timing signal；Ambient brightness sensing equipment is arranged in theater roof middle position, is used for
The real-time luminosity of theater internal environment is incuded to be exported as real time environment brightness.
The system comprises：Face brightness detection device is arranged in the Background control room of theater, divides with human face region
Equipment connection is numbered with reception everyone face image seat corresponding with its, is used for each based on everyone face image
The gray value of a pixel calculates the brightness of image of everyone face image to be exported as real-time face brightness；Brightness is away from inspection
Measurement equipment is arranged in the Background control room of theater, is set respectively with timer, ambient brightness detection device and face brightness detection
Standby connection, for receiving real time environment brightness and receiving the real-time face brightness of everyone face image, for each
Face subgraph will when the time that its real-time face brightness and real time environment brightness deviate from reaching predetermined time period threshold value
The corresponding seat number of face subgraph is as targeted seat number output.
The system comprises：Motor driving apparatus is arranged in the Background control room of theater, respectively with DSP processing chips
It is connected with motor device, the driving control signal sent for receiving DSP processing chips, and driving control signal is parsed
To determine that targeted seat is numbered, target level angle and target pitch angle are calculated based on targeted seat number.
The system comprises：Motor device, the roof position being arranged right over theater draw curtain are set with motor driving respectively
Standby to be connected with infrared laser pen, including horizontal drive motor and vertical driving motor, horizontal drive motor is used for infrared laser
The level angle of pen is adjusted to target level angle, and vertical driving motor is used to the pitch angle of infrared laser pen being adjusted to mesh
Mark pitch angle；Wherein, motor device sends out laser opening after horizontal drive motor and vertical driving motor all adjust
Signal.
The system comprises：Infrared laser pen, the roof position being arranged right over theater draw curtain, respectively with DSP processing
Chip is connected with motor device, including battery, Laser emission switch and laser emitter, and battery is used for swashing for infrared laser pen
Light emitting provides supply of electric power, and Laser emission switch is cut after receiving driving control signal and when receiving laser opening signal
Opening state is changed to, laser emitter includes pump diode, for the launch wavelength in the case where Laser emission is switched and opened
For 671 nanometers of laser signal.
The system comprises：High-definition image collecting device, setting is in theater roof middle position, for theater draw curtain pair
The auditorium in face carries out Image Acquisition to export high-definition image, and the resolution ratio of high-definition image is 3840 × 2160；Data segmentation is set
It is standby, it is located at high in the clouds, is connect with high-definition image collecting device, is more than 1 for high-definition image to be divided into N number of image block, N
Natural number.
The system comprises：High in the clouds command channel management equipment is located at high in the clouds, for carrying out tube channel to high in the clouds order
Reason；N number of high in the clouds storage device is located at high in the clouds, is connect with data splitting equipment, for storing N number of image block respectively；High in the clouds takes
It is engaged in central apparatus, is located at high in the clouds, is connect with N number of high in the clouds storage device, for concentrating N number of image block, and by N number of image block
It is distributed to M high in the clouds application apparatus, M is the natural number more than 1 and M is less than or equal to N；M high in the clouds application apparatus is located at high in the clouds,
It is connect 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 extract image block for receiving each image block
In each pixel the channels R pixel value, the channels G pixel value and channel B pixel value, weighted value storage unit for depositing 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
It is connected with weighted value storage unit, for each pixel in image block, by the channels R pixel value and R channel weighting values
The product addition of product, the product of the channels G 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 the corresponding ash of image block
Degreeization image；Wherein, it is 0.586811 that R channel weightings value value, which is 0.298839, G channel weightings value value, channel B weighted value
Value is 0.114350.
Each high in the clouds application apparatus includes：Histogram distribution detects sub- equipment, connect, uses with the sub- equipment of gray processing processing
Grey level histogram processing is carried out to obtain corresponding histogram image, straight in reception gray level image, and to gray level image
When bimodal distribution is presented in square figure image, global threshold selection signal is sent out, otherwise, sends out non-global threshold selection signal.
Each high in the clouds application apparatus includes：Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution connect, and is used for
When receiving global threshold selection signal, global threshold 128 is exported as threshold data, is receiving non-global threshold choosing
When selecting signal, neighbor pixel gray difference threshold 40 is exported as threshold data.
Each high in the clouds application apparatus includes：The sub- equipment of binary conversion treatment selects 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 be more than or equal to threshold data when, by for pixel be set as white level pixel, when gray value is less than
When threshold data, by for pixel be set as black level pixel, and the corresponding binary image of 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 calculates the gray value of the vertical direction pixel apart from its 3 pixels upwards as upper grey scale pixel value, calculates vertical
The gray value of the direction pixel apart from its 3 pixels downwards is 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 the absolute value of the difference of upper grey scale pixel value and lower grey scale pixel value is 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 set as white level pixel, when the absolute value of the difference of upper grey scale pixel value and lower 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 be more than threshold data when, by for pixel be set as black
Level pixel point, and the corresponding binary image of output gray level image.
Each high in the clouds application apparatus includes：The sub- equipment of picture smooth treatment connect with the sub- equipment of binary conversion treatment, is used for
Receive binary image, for each pixel in binary image, when in adjacent all pixels point there are half with
On trip point when, then by for the gray value of pixel retain, otherwise, by for the gray value of pixel be set as white
Level pixel point, and export the corresponding smoothed image of binary image.
Each high in the clouds application apparatus includes：The sub- equipment of medium filtering is connect with the sub- equipment of image balance processing, for connecing
Smoothed image is received, following processing is carried out to obtain filtering figure as target pixel points for each pixel in smoothed image
Picture：It is taken out in smoothed image with the centre of form of the filter module of position of the target pixel points in smoothed image alternatively multiple
Pixel takes maximum value in the pixel value of multiple reference image vegetarian refreshments and minimum value using as pixel as multiple reference image vegetarian refreshments
Maximum value and pixel minimum determine the average value of pixel maximum and pixel minimum using as pixel average, for every
One reference image vegetarian refreshments replaces its pixel value, if its pixel value is more than if its pixel value is less than pixel average with 0
Equal to pixel average, then retain its pixel value, finally using the average value of the pixel value of multiple reference image vegetarian refreshments as target picture
The pixel value of vegetarian refreshments exports.
The system comprises：Data merge equipment, are located at high in the clouds, are connect with M high in the clouds application apparatus, are used for each
The filtering image of the sub- equipment output of medium filtering of high in the clouds application apparatus is spliced to obtain filtering integral image.
The system comprises：Human face region splitting equipment is arranged in the Background control room of theater, merges equipment with data
Connection is to obtain filtering integral image；For each pixel in filtering integral image, by its gray value and default face
Tonal range is matched, and when its gray value is in default face tonal range, determines that it is face pixel；It will filter whole
The region for closing the composition of all face pixels in image is split from filtering integral image to obtain each face subgraph
Picture；For everyone face image, corresponded to for the face subgraph that its location determination in filtering integral image is directed to
Seat number.
Wherein, for face subgraph corresponding seat number be theater seat where the corresponding spectators of people's face image
Bit number；The real-time face brightness of face subgraph and the method for determination that real time environment brightness deviates from are as follows：When face subgraph
Real-time face brightness when being more than real time environment brightness, determine that the real-time face brightness of face subgraph is carried on the back with real time environment brightness
From, when the real-time face brightness of face subgraph be less than or equal to real time environment brightness when, determine the real-time face of face subgraph
Brightness with real time environment brightness is non-deviates from；Infrared laser pen further includes receiver of remote-control sytem, is beaten for receiving the laser that distal end is sent
Open remote signal and laser shutdown remote signal.
Optionally, in the system：The gray value of black level pixel is 0；The gray value of white level pixel is
255；Further include：Mobile hard disk, for prestoring R channel weightings value, G channel weightings value and channel B weighted value；Mobile hard disk
It is arranged in the Background control room of projection room；Mobile hard disk is additionally operable to store default face tonal range.
In addition, cloud computing, i.e. cloud computing, are the increases of related service Internet-based, use and deliver
Pattern is usually directed to the resource that dynamic easily extension and often virtualization is provided by internet.Cloud is network, internet
A kind of metaphor saying.Past often indicates telecommunications network in figure with cloud, is also used for indicating that internet and underlying basis are set later
That applies is abstract.Therefore, cloud computing even can allow you to experience the operational capability of 10 trillion times per second, possess so powerful calculating
Ability can be with simulated-nuclear explosion, Prediction of Climate Change and market trend.User passes through the modes such as computer, notebook, mobile phone
Data center is accessed, operation is carried out by the demand of oneself.
To the definition of cloud computing, there are many sayings.For on earth what be cloud computing, can at least find 100 kinds of explanations.
Well accepted at this stage is National Institute of Standards and Technology (NIST) definition：Cloud computing is that one kind is paid by usage amount
Pattern, this pattern provide it is available, easily, on-demand network access, into configurable computing resources shared pool (money
Source includes network, server, storage, application software, service), these resources can be provided quickly, only need to put into seldom pipe
Science and engineering is made, or carries out seldom interaction with service supplier.
Cloud computing system using the present invention can not be that taking on the sly for performance provides effective detection of electrons for the prior art
The technical issues of, by using targetedly, high-precision a series of images processing equipment and image analysis equipment be to spectators
The audience status of seat is analyzed, and is also analyzed by the environment to performance scene, on the basis of above-mentioned analysis, to spectators
The behavior of pirates shoot person carries out accurate detection and position identification in seat, and aposematic mechanism is finally taken to carry out electronic reminding to the person of taking on the sly,
To while avoiding that other spectators is interfered to watch, effectively reduce the generation of the behavior of taking on the sly.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (1)
1. a kind of cloud computing system, the system comprises spectators' face brightness detection device, projection room ambient brightness detection devices
With infrared laser equipment, infrared laser equipment is used for the output based on spectators' face brightness detection device and projection room ambient brightness
The output of detection device determines the Laser emission direction of itself；
It is characterized in that, the system also includes：
DSP processing chips are arranged in the Background control room of theater, are connect away from detection device with brightness, for being based on target
Seat number sends out the driving control signal numbered including targeted seat；
Timer is arranged in the Background control room of theater, for providing timing signal；
Ambient brightness sensing equipment, setting in theater roof middle position, for incude the real-time luminosity of theater internal environment with
It is exported as real time environment brightness；
Face brightness detection device is arranged in the Background control room of theater, is connect with human face region splitting equipment every to receive
One people's face image seat number corresponding with its, based on the gray value of each pixel based on everyone face image
The brightness of image of everyone face image is calculated to be exported as real-time face brightness；
Brightness deviate from detection device, be arranged in the Background control room of theater, respectively with timer, ambient brightness detection device and
Face brightness detection device connects, bright for receiving real time environment brightness and receiving everyone real-time face of face image
Degree reaches preset time for everyone face image when the time that its real-time face brightness and real time environment brightness deviate from
When length threshold, by the corresponding seat number of face subgraph as targeted seat number output；
Motor driving apparatus is arranged in the Background control room of theater, is connect respectively with DSP processing chips and motor device, uses
In the driving control signal that reception DSP processing chips are sent, and driving control signal is parsed to determine that targeted seat is compiled
Number, target level angle and target pitch angle are calculated based on targeted seat number；
Motor device, the roof position being arranged right over theater draw curtain connect with motor driving apparatus and infrared laser pen respectively
It connects, including horizontal drive motor and vertical driving motor, horizontal drive motor is used to adjust the level angle of infrared laser pen
To target level angle, vertical driving motor is used to the pitch angle of infrared laser pen being adjusted to target pitch angle；Wherein,
Motor device sends out laser opening signal after horizontal drive motor and vertical driving motor all adjust；
Infrared laser pen, the roof position being arranged right over theater draw curtain connect with DSP processing chips and motor device respectively
It connects, including battery, Laser emission switch and laser emitter, battery is used to provide electric power for the Laser emission of infrared laser pen and supply
It answers, Laser emission switch is being switched to opening state after receiving driving control signal and when receiving laser opening signal, swashs
Optical transmitting set includes pump diode, for the laser that launch wavelength is 671 nanometers in the case where Laser emission is switched and opened
Signal；
High-definition image collecting device is arranged in theater roof middle position, figure is carried out for the auditorium to theater draw curtain opposite
As acquiring to export high-definition image, the resolution ratio of high-definition image is 3840 × 2160；
Data splitting equipment is located at high in the clouds, is connect with high-definition image collecting device, for high-definition image to be divided into N number of image
Piecemeal, N are the natural number more than 1；
High in the clouds command channel management equipment is located at high in the clouds, for carrying out channel management to high in the clouds order；
N number of high in the clouds storage device is located at high in the clouds, is connect with data splitting equipment, for storing N number of image block respectively；
Cloud service central apparatus is located at high in the clouds, is connect with N number of high in the clouds storage device, for concentrating N number of image block, and by N
A 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；
M high in the clouds application apparatus, be located at high in the clouds, connect with cloud service central apparatus, for receive it is being 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 storage unit and gray value computing unit, channel
Parameter extraction unit for receiving each image block, extract each pixel in image block the channels R pixel value,
The channels G pixel value and channel B pixel value, weighted value storage unit is for having prestored R channel weightings value, G channel weighting values
With channel B weighted value, gray value computing unit is connect with channel parameters extraction unit and weighted value storage unit respectively, for figure
As each pixel in piecemeal, by product, the channels G pixel value and the G channel weightings of the channels R pixel value and R channel weighting values
The product and channel B pixel value of value are with the product addition of channel B weighted value to obtain the gray value for the pixel being directed to, and base
The gray value of each pixel obtains the corresponding gray level image of image block in image block；Wherein, R channel weightings value takes
It is 0.586811 that value, which is 0.298839, G channel weightings value value, and channel B weighted value value is 0.114350；
Histogram distribution detects sub- equipment, is connect 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 out
Otherwise global threshold selection signal sends out non-global threshold selection signal；
Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution connect, for when receiving global threshold selection signal,
Global threshold 128 is exported as threshold data, when receiving non-global threshold selection signal, by neighbor pixel gray scale difference
Threshold value 40 is exported as threshold data；
The sub- equipment of binary conversion treatment selects sub- equipment and histogram distribution to detect sub- equipment with threshold value and connect, respectively 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 set as white level pixel, when gray value be less than threshold data when, by for pixel set
It is set to black level pixel, and the corresponding binary image of 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 is as lower grey scale pixel value, the gray scale of the calculated level direction pixel apart from its 3 pixels to the left
Value is used as left grey scale pixel value, and the gray value of the calculated level direction pixel apart from its 3 pixels to the right is as right pixel
Gray value, when the absolute value of the difference of upper grey scale pixel value and lower grey scale pixel value is 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 set as white level pixel
Point, when the absolute value of the difference of upper grey scale pixel value and lower grey scale pixel value is more than threshold data or left grey scale pixel value and right pixel
The absolute value of the difference of gray value be more than threshold data when, by for pixel be set as black level pixel, and output gray level
Change the corresponding binary image of image；
The sub- equipment of picture smooth treatment is connect with the sub- equipment of binary conversion treatment, for receiving binary image, for binary picture
Each pixel as in, when in adjacent all pixels point there are when the trip point of more than half, then by for pixel
The gray value of point retains, otherwise, by for the gray value of pixel be set as white level pixel, and export binary image
Corresponding smoothed image；
The sub- equipment of medium filtering is connect with the sub- equipment of picture smooth treatment, for receiving smoothed image, for every in smoothed image
One pixel carries out following processing to obtain filtering image as target pixel points：With target pixel points in smoothed image
The centre of form of the filter module of position alternatively takes out multiple pixels as multiple reference image vegetarian refreshments in smoothed image, takes more
Maximum value and minimum value in the pixel value of a reference image vegetarian refreshments is as pixel maximum and pixel minimum, to determine pixel most
The average value of big value and pixel minimum is using as pixel average, for each reference image vegetarian refreshments, if its pixel value is small
In pixel average, then its pixel value is replaced with 0, if its pixel value is more than or equal to pixel average, retains its pixel value,
Finally exported the average value of the pixel value of multiple reference image vegetarian refreshments as the pixel value of target pixel points；
Data merge equipment, are located at high in the clouds, are connect with M high in the clouds application apparatus, and being used for will be in each high in the clouds application apparatus
The filtering image of the sub- equipment output of value filtering is spliced to obtain filtering integral image；
Human face region splitting equipment is arranged in the Background control room of theater, is connect with data merging equipment whole to obtain filtering
Close image；For each pixel in filtering integral image, its gray value is matched with default face tonal range,
When its gray value is in default face tonal range, face pixel is determined that it is；The owner in integral image will be filtered
The region of face pixel composition is split from filtering integral image to obtain each face subgraph；For each face
Subgraph is numbered for the corresponding seat of face subgraph that its location determination in filtering integral image is directed to；Wherein, needle
To face subgraph corresponding seat number be theater seat number where the corresponding spectators of people's face image；
Wherein, the method for determination that the real-time face brightness with real time environment brightness of face subgraph deviate from is as follows：When face subgraph
When the real-time face brightness of picture is more than real time environment brightness, real-time face brightness and the real time environment brightness of face subgraph are determined
Deviate from, when the real-time face brightness of face subgraph is less than or equal to real time environment brightness, determines the real-time people of face subgraph
Face brightness with real time environment brightness is non-deviates from；
Wherein, infrared laser pen further includes receiver of remote-control sytem, and remote signal and laser are opened for receiving the laser that distal end is sent
Close remote signal；
The gray value of black level pixel is 0；
The gray value of white level pixel is 255.
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