CN105868747A - Cloud computing system - Google Patents
Cloud computing system Download PDFInfo
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- CN105868747A CN105868747A CN201610475589.XA CN201610475589A CN105868747A CN 105868747 A CN105868747 A CN 105868747A CN 201610475589 A CN201610475589 A CN 201610475589A CN 105868747 A CN105868747 A CN 105868747A
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- 230000002902 bimodal effect Effects 0.000 claims description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract 2
- 230000001815 facial effect Effects 0.000 abstract 2
- 238000007726 management method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
- G06V40/169—Holistic features and representations, i.e. based on the facial image taken as a whole
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention relates to a cloud computing system, comprising an audience facial brightness detection device, a projection room environmental brightness detection device and an infrared laser device. The infrared laser device is used to determine an emitting direction of its laser according to output of the audience facial brightness detection device and output of the projection room environmental brightness detection device. Through the cloud computing system, it is possible to effectively control the emitting direction of a laser emitting mechanism.
Description
Technical field
The present invention relates to field of cloud calculation, particularly relate to a kind of cloud computing system.
Background technology
In order to detect the digital multimedia video of uncommitted illegal propagation, digital watermark is by generally
Research and be widely used.In Making Movies or film ejection stage, can take to plant in film
Enter to make the method that human eye can't see " pattern " information.If these films are taken on the sly record by video camera,
This collection of illustrative plates embedded can be extracted and identify the source of piracy.
Some industry leaders are in order to identify and tracing pirate film, it is proposed that pass through Coded Anti-Piracy
(CAP) method, i.e. increases watermark in film.First Coded Anti-Piracy is designed by Kodak
, it is improved by Deluxe Laboratories subsequently.Philips it is also proposed in 2006
One mark system being named as CineFence.But, digital watermark is a kind of passive measure,
He can not eliminate and stop shooting to take on the sly.On the other hand, camera perturbation technique is intended to pass through heavy damage
Film visual quality eliminate shooting and take on the sly, meanwhile, these interference signals to be made not interfere with movie theatre
Spectators.
The most substantial amounts of camera interference method mainly make use of imaging sensor to respond ultrared principle.
In order to disturb mobile camera and generate light in the picture of shooting, infrared emitter is installed in
In cinema.Except extra cost and regular job expenses such as those transmitters, this scheme can
With by enclosing suitable filter on camera lens.But this mode is easy to the selection because of the person of taking on the sly
And be avoided.
Accordingly, it would be desirable to the on-the-spot anti-pirates shoot technical scheme of a kind of new performance, it is possible to auditorium image is entered
Row electronic analysis, carries out electronic analysis to scene performance environment, and carries out steathily based on two kinds of analysis results
Bat person judges, it addition, the person of taking on the sly is reminded by the positional information being additionally based upon the person of taking on the sly, thus realizes
The oriented detection of the on-the-spot person of taking on the sly of performance and orientation warning.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of cloud computing system, spectators are set at the scene
Seat image capture device completes the extraction to auditorium image, introduces various image processing equipment and image
Analytical equipment judges whether there is the suspicious person of taking on the sly in the image of auditorium, there is the suspicious person of taking on the sly
In the case of, extract the numbering at suspicious seat, the person of taking on the sly place, the most at the scene environment is joined
Number or current performance content detect, in real time with the information according to the suspicious person of taking on the sly and Site Detection
Result determines the person that really do not takes on the sly.
According to an aspect of the present invention, it is provided that a kind of cloud computing system, described system includes spectators people
Face brightness detection equipment, projection room ambient brightness detection equipment and infrared laser equipment, infrared laser sets
It is ready for use on output based on spectators' face brightness detection equipment and projection room ambient brightness detects equipment
Output determines the Laser emission direction of self.
More specifically, in described cloud computing system, including: DSP processes chip, is arranged on theater
Background control indoor, deviate from detection equipment with brightness and be connected, send for numbering based on targeted seat
Drive control signal including targeted seat numbering；Timer, the Background control being arranged on theater is indoor,
For providing timing signal；Ambient brightness sensing equipment, is arranged on middle position, theater roof, is used for
The real-time luminosity of sensing theater internal environment is to export as real time environment brightness；Face brightness detection sets
Standby, the Background control being arranged on theater is indoor, is connected to receive each with human face region splitting equipment
The seat numbering of face subgraph and its correspondence, for each pixel based on everyone face image
Gray value calculate the brightness of image of everyone face image to export as real-time face brightness；Bright
Degree deviates from detection equipment, and the Background control being arranged on theater is indoor, respectively with timer, ambient brightness
Detection equipment and face brightness detection equipment connect, and are used for receiving real time environment brightness and receiving each
The real-time face brightness of individual's face image, for everyone face image, when its real-time face is bright
When the time that degree and real time environment brightness deviate from reaches predetermined time period threshold value, by face subgraph pair
The seat numbering answered is as targeted seat numbering output；Motor driving apparatus, is arranged on the backstage of theater
In control room, process chip with DSP respectively and motor device is connected, be used for receiving DSP and process core
The drive control signal that sheet is sent, and resolve drive control signal to determine that targeted seat is compiled
Number, calculate target level angle and target pitch angle based on targeted seat numbering；Motor device, if
Put the position, roof directly over theater draw curtain, connect with motor driving apparatus and infrared laser pen respectively
Connecing, including horizontal drive motor and vertical driving motor, horizontal drive motor is for by infrared laser pen
Level angle be adjusted to target level angle, vertical driving motor is for by the pitching of infrared laser pen
Angle adjustment is to target pitch angle；Wherein, motor device is at horizontal drive motor and vertical drive electricity
Machine sends laser opening signal after all adjusting；Infrared laser pen, is arranged on directly over theater draw curtain
Position, roof, process chip and motor device with DSP respectively and be connected, including battery, Laser emission
Switch and generating laser, battery provides supply of electric power for the Laser emission for infrared laser pen, swashs
Light emission switch is switched to after receiving drive control signal and when receiving laser opening signal beat
Open state, generating laser includes pump diode, in the case of opening at Laser emission switch
The laser signal of a length of 671 nanometers of transmitted wave；High-definition image collecting device, is arranged in theater roof
Position, centre, for the auditorium on theater draw curtain opposite being carried out IMAQ export high-definition image, height
The resolution ratio of clear image is 3840 × 2160；Data splitting equipment, is positioned at high in the clouds, adopts with high-definition image
Collection equipment connects, and is the natural number more than 1 for high-definition image is divided into N number of image block, N；
Command channel, high in the clouds management equipment, is positioned at high in the clouds, for high in the clouds order is carried out channel management；N number of
High in the clouds storage device, is positioned at high in the clouds, is connected with data splitting equipment, for storing N number of image respectively
Piecemeal；Cloud service central apparatus, is positioned at high in the clouds, is connected with N number of high in the clouds storage device, is used 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 big
Natural number and M in 1 are less than or equal to N；M high in the clouds application apparatus, is positioned at high in the clouds, with high in the clouds
Service centre's equipment connects, for receiving be assigned to, more than one image block, each cloud
End application apparatus includes: gray processing processes subset, deposits including channel parameters extraction unit, weighted value
Storage unit and gray value computing unit, channel parameters extraction unit is used for receiving each image block,
Extract the R passage pixel value of each pixel in image block, G passage pixel value and channel B
Pixel value, weighted value memory cell be used for having prestored R channel weighting value, G channel weighting value and
Channel B weighted value, gray value computing unit stores single with channel parameters extraction unit and weighted value respectively
Unit connects, for each pixel in image block, by R passage pixel value and R channel weighting value
Product, the product of G passage pixel value and G channel weighting value and channel B pixel value lead to B
The product addition of higher with obtain for the gray value of pixel, and based on each in image block
The gray value of individual pixel obtains the gray level image that image block is corresponding；Wherein, R channel weighting value
Value is 0.298839, and G channel weighting value value is 0.586811, and channel B weighted value value is
0.114350；Histogram distribution detection subset, processes subset with gray processing and is connected, be used for receiving
Gray level image, and gray level image is carried out grey level histogram process to obtain corresponding histogram figure
Picture, when histogram image presents bimodal distribution, sends global threshold and selects signal, otherwise, send
Non-global threshold selects signal；Threshold value selects subset, is connected with histogram distribution detection subset,
For when receiving global threshold and selecting signal, global threshold 128 being exported as threshold data,
When receiving non-global threshold and selecting signal, using neighbor pixel gray difference threshold 40 as threshold value
Data export；Binary conversion treatment subset, selects subset and histogram distribution detection respectively with threshold value
Subset connects, for when receiving global threshold and selecting signal, and every in gray level image
One pixel, when gray value more than or equal to threshold data time, by for pixel be set to white appliances
Flat pixel, when gray value less than threshold data time, by for pixel be set to black level pixel
Point, and the binary image that output gray level image is corresponding；Binary conversion treatment subset is additionally operable to connecing
When receiving non-global threshold selection signal, for each pixel in gray level image, calculate and hang down
Nogata to upwards apart from the gray value of pixel of its 3 pixels as upper grey scale pixel value, calculate
Vertical direction downwards apart from the gray value of pixel of its 3 pixels as lower grey scale pixel value, meter
Calculate horizontal direction to the left apart from the gray value of pixel of its 3 pixels as left grey scale pixel value,
Calculated level direction to the right apart from the gray value of pixel of its 3 pixels as right pixel grey scale
Value, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is less than or equal to threshold data and a left side
The absolute value of the difference of grey scale pixel value and right grey scale pixel value less than or equal to threshold data time, by for
Pixel is set to white level pixel, when difference absolute of upper grey scale pixel value and lower grey scale pixel value
Value is more than threshold value more than the absolute value of threshold data or the difference of left grey scale pixel value and right grey scale pixel value
During data, by for pixel be set to black level pixel, and output gray level image is corresponding
Binary image；Picture smooth treatment subset, is connected with binary conversion treatment subset, is used for receiving
Binary image, for each pixel in binary image, when in adjacent all pixels
When there is the trip point of more than half, then by for pixel gray value retain, otherwise, by pin
To the gray value of pixel be set to white level pixel, and export corresponding smooth of binary image
Image；Medium filtering subset, processes subset with image balance and is connected, be used for receiving smoothed image,
Following process is carried out to obtain filtering as target pixel points for each pixel in smoothed image
Image: using target pixel points position in smoothed image as the centre of form of the filtration module selected flat
In sliding image, the multiple pixels of taking-up are as multiple reference image vegetarian refreshments, take the pixel of multiple reference image vegetarian refreshments
Maximum in value and minimum of a value are as pixel maximum and pixel minimum, to determine pixel maximum
With the mean value of pixel minimum using as pixel average, for each reference image vegetarian refreshments, if
Its pixel value is less than pixel average, then replace its pixel value, if its pixel value is more than or equal to 0
Pixel average, then retain its pixel value, finally by the mean value of the pixel value of multiple reference image vegetarian refreshments
Pixel value as target pixel points exports；Data merge equipment, are positioned at high in the clouds, should with M high in the clouds
Connect with equipment, for the filtering figure that the medium filtering subset of each high in the clouds application apparatus is exported
As carrying out splicing to obtain filtering integral image；Human face region splitting equipment, is arranged on the backstage of theater
In control room, merge equipment with data and be connected to obtain filtering integral image；For filtering integral image
In each pixel, its gray value is mated with default face tonal range, when its gray scale
When value is in default face tonal range, determine that it is face pixel；By in filtering integral image
The region of all face pixels composition splits to obtain each face from filtering integral image
Subgraph；For everyone face image, determine pin for its position in filtering integral image
To face subgraph corresponding seat numbering；Wherein, for seat corresponding to face subgraph compile
It number it is the theater seat numbering at the spectators place that people's face image is corresponding；Wherein, the reality of face subgraph
Time face brightness as follows with the determination mode that real time environment brightness deviates from: as the real-time people of face subgraph
When face brightness is more than real time environment brightness, determine real-time face brightness and the real time environment of face subgraph
Brightness deviates from, and when the real-time face brightness of face subgraph is less than or equal to real time environment brightness, determines
The real-time face brightness of face subgraph is non-with real time environment brightness to be deviated from；Wherein, infrared laser pen is also
Including receiver of remote-control sytem, the laser sent for receiving far-end opens remote signal and laser shutdown remote control
Signal.
More specifically, in described cloud computing system: the gray value of black level pixel is 0.
More specifically, in described cloud computing system: the gray value of white level pixel is 255.
More specifically, in described cloud computing system, also include: portable hard drive, it is used for prestoring
R channel weighting value, G channel weighting value and channel B weighted value.
More specifically, in described cloud computing system: portable hard drive is arranged on the Background control of projection room
Indoor.
More specifically, in described cloud computing system: portable hard drive is additionally operable to store default face gray scale
Scope.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram according to the cloud computing system shown in embodiment of the present invention.
Reference: 1 spectators' face brightness detection equipment；2 projection room ambient brightness detection equipment；
3 infrared laser equipment
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the cloud computing system of the present invention is described in detail.
The artificial anti-mode taken on the sly has inborn deficiency, in order to overcome above-mentioned drawback, reduces anti-taking on the sly
Operation cost, improve the anti-operating efficiency taken on the sly, operator always searches for the side that electronics is prevented taking on the sly
Formula carries out on-site supervision, the anti-two kinds of developing direction of having taken on the sly of electronics, and a kind of is in the hand-held movement of spectators
Make an issue of in terminal, automatically detect the behavior of taking on the sly when mobile terminal shoots, but this mode may
Because the selection of mobile terminal is avoided by the person of taking on the sly, another kind is to do at on-the-spot arrangement electronics of taking on the sly
Disturbing equipment, this mode can avoid evading of the person of taking on the sly.
The existing anti-electronic jamming device taken on the sly is that one infrared facility is placed in curtain or dance
The back side of platform, infrared facility sends the sightless infrared ray of human eye, if the person of taking on the sly is moving
Terminal or video camera shooting, then infrared ray is by the video camera imaging of the interference person of taking on the sly, causes the person of taking on the sly to obtain
The image obtained or lower picture quality, it is impossible to commercially sell and propagate on network, thus having
Effect safeguards copyright interest.
But, this mode needs to launch infrared ray always, and ultrared transmitting is large-scale,
Need all to launch infrared ray, relatively costly and poor feasibility from each position.Therefore on-the-spot electronics is prevented
The equipment of taking on the sly also needs to find other break through direction.
In order to overcome above-mentioned deficiency, the present invention has built a kind of cloud computing system, it is possible to by scene
In auditorium spectators behavioral value and by the parameter extraction of site environment being determined on-the-spot sight
Whether many seats exist the person of taking on the sly, and can in time the position at the person of taking on the sly place be positioned, in order to
Orient warning measure accordingly in taking, remind the person of taking on the sly to abandon the behavior of taking on the sly.
Fig. 1 is the block diagram according to the cloud computing system shown in embodiment of the present invention, described system
System includes that spectators' face brightness detection equipment, projection room ambient brightness detection equipment and infrared laser set
Standby, infrared laser equipment is bright for output based on spectators' face brightness detection equipment and projection room environment
The output of degree detection equipment determines the Laser emission direction of self.
Then, continue the concrete structure of the cloud computing system of the present invention is further detailed.
Described system includes: DSP processes chip, and the Background control being arranged on theater is indoor, with brightness
Deviate from detection equipment to connect, for sending, based on targeted seat numbering, the driving including that targeted seat is numbered
Control signal；Timer, the Background control being arranged on theater is indoor, is used for providing timing signal；Ring
Border brightness sensing equipment, is arranged on middle position, theater roof, for sensing the reality of theater internal environment
Shi Liangdu is to export as real time environment brightness.
Described system includes: face brightness detection equipment, and the Background control being arranged on theater is indoor, with
Human face region splitting equipment connects to receive everyone face image and the seat numbering of its correspondence, uses
Gray value in each pixel based on everyone face image calculates everyone face image
Brightness of image is to export as real-time face brightness；Brightness deviates from detection equipment, after being arranged on theater
In platform control room, it is connected with timer, ambient brightness detection equipment and face brightness detection equipment respectively,
For receiving real time environment brightness and receiving the real-time face brightness of everyone face image, for
Everyone face image, reaches pre-when the time that its real-time face brightness and real time environment brightness deviate from
If during time span threshold value, seat numbering corresponding for face subgraph is defeated as targeted seat numbering
Go out.
Described system includes: motor driving apparatus, and the Background control being arranged on theater is indoor, respectively with
DSP processes chip and motor device connects, and processes, for receiving DSP, the driving control letter that chip is sent
Number, and resolve drive control signal to determine that targeted seat is numbered, number based on targeted seat
Calculate target level angle and target pitch angle.
Described system includes: motor device, is arranged on the position, roof directly over theater draw curtain, respectively
It is connected with motor driving apparatus and infrared laser pen, including horizontal drive motor and vertical driving motor,
Horizontal drive motor, for the level angle of infrared laser pen is adjusted to target level angle, vertically drives
Dynamic motor is for being adjusted to target pitch angle by the luffing angle of infrared laser pen；Wherein, motor sets
For sending laser opening signal after horizontal drive motor and vertical driving motor all adjust.
Described system includes: infrared laser pen, is arranged on the position, roof directly over theater draw curtain, point
Do not process chip with DSP and motor device is connected, including battery, Laser emission switch and Laser emission
Device, battery is for providing supply of electric power, Laser emission switch connecing for the Laser emission of infrared laser pen
Open mode, Laser emission it is switched to after receiving drive control signal and when receiving laser opening signal
Device includes pump diode, and in the case of opening at Laser emission switch, transmitted wave a length of 671 is received
The laser signal of rice.
Described system includes: high-definition image collecting device, is arranged on middle position, theater roof, is used for
The auditorium on theater draw curtain opposite is carried out IMAQ to export high-definition image, the resolution of high-definition image
Rate is 3840 × 2160；Data splitting equipment, is positioned at high in the clouds, is connected with high-definition image collecting device,
For high-definition image is divided into N number of image block, N are the natural number more than 1.
Described system includes: command channel, high in the clouds management equipment, is positioned at high in the clouds, for high in the clouds order
Carry out channel management；N number of high in the clouds storage device, is positioned at high in the clouds, is connected with data splitting equipment, uses
In storing N number of image block respectively；Cloud service central apparatus, is positioned at high in the clouds, deposits with N number of high in the clouds
Storage equipment connects, and is used for concentrating N number of image block, and N number of image block is distributed to M cloud
End application apparatus, M is that the natural number more than 1 and M are less than or equal to N；M high in the clouds application apparatus,
It is positioned at high in the clouds, is connected with cloud service central apparatus, for receiving be assigned to, more than one figure
As piecemeal.
Each high in the clouds application apparatus includes: gray processing processes subset, extracts single including channel parameters
Unit, weighted value memory cell and gray value computing unit, channel parameters extraction unit is used for receiving each
Individual image block, extracts the R passage pixel value of each pixel in image block, G passage picture
Element value and channel B pixel value, weighted value memory cell is used for having prestored R channel weighting 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 connects, for each pixel in image block, by R passage pixel value with
The product of the product of R channel weighting value, G passage pixel value and G channel weighting value and channel B picture
Element value and the product addition of channel B weighted value with obtain for the gray value of pixel, and based on figure
As in piecemeal, the gray value of each pixel obtains the gray level image that image block is corresponding；Wherein, R
Channel weighting value value is 0.298839, and G channel weighting value value is 0.586811, and channel B weights
Value value is 0.114350.
Each high in the clouds application apparatus includes: histogram distribution detection subset, processes son with gray processing
Equipment connects, and is used for receiving gray level image, and gray level image is carried out grey level histogram process with
Obtain corresponding histogram image, when histogram image presents bimodal distribution, send global threshold choosing
Select signal, otherwise, send non-global threshold and select signal.
Each high in the clouds application apparatus includes: threshold value selects subset, sets with histogram distribution detection
Standby connection, for when receiving global threshold and selecting signal, using global threshold 128 as number of threshold values
According to output, when receiving non-global threshold and selecting signal, by neighbor pixel gray difference threshold 40
Export as threshold data.
Each high in the clouds application apparatus includes: binary conversion treatment subset, selects son to set with threshold value respectively
Standby and histogram distribution detection subset connects, and is used for when receiving global threshold and selecting signal, pin
To each pixel in gray level image, when gray value is more than or equal to threshold data, will be for
Pixel be set to white level pixel, when gray value less than threshold data time, by for pixel
Point is set to black level pixel, and the binary image that output gray level image is corresponding；At binaryzation
Reason subset is additionally operable to when receiving non-global threshold and selecting signal, every in gray level image
One pixel, calculates vertical direction upwards apart from the gray value conduct of pixel of its 3 pixels
Upper grey scale pixel value, calculates vertical direction and makees apart from the gray value of the pixel of its 3 pixels downwards
For lower grey scale pixel value, calculated level direction is to the left apart from the gray value of pixel of its 3 pixels
As left grey scale pixel value, calculated level direction is to the right apart from the gray scale of pixel of its 3 pixels
Value is as right grey scale pixel value, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is less than
It is less than or equal to threshold equal to the absolute value of threshold data and the difference of left grey scale pixel value and right grey scale pixel value
During Value Data, by for pixel be set to white level pixel, when upper grey scale pixel value and lower picture
The absolute value of the difference of element gray value more than threshold data or left grey scale pixel value and right grey scale pixel value it
When the absolute value of difference is more than threshold data, by for pixel be set to black level pixel, and defeated
Go out the binary image that gray level image is corresponding.
Each high in the clouds application apparatus includes: picture smooth treatment subset, sets with binary conversion treatment
Standby connection, is used for receiving binary image, for each pixel in binary image, works as phase
When adjacent all pixels exist 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 to white level pixel, and export two-value
Change the smoothed image that image is corresponding.
Each high in the clouds application apparatus includes: medium filtering subset, processes subset with image balance
Connect, be used for receiving smoothed image, for each pixel in smoothed image as target pixel points
Carry out following process to obtain filtering image: using target pixel points position in smoothed image as choosing
The centre of form of the filtration module selected takes out multiple pixel as multiple reference image vegetarian refreshments in smoothed image,
Take the maximum in the pixel value of multiple reference image vegetarian refreshments and minimum of a value using as pixel maximum and picture
Element minimum of a value, determines that the mean value of pixel maximum and pixel minimum is using as pixel average, pin
To each reference image vegetarian refreshments, if its pixel value is less than pixel average, then replace its pixel with 0
Value, if its pixel value is more than or equal to pixel average, then retains its pixel value, finally by multiple ginsengs
Examine pixel pixel value mean value as target pixel points pixel value export.
Described system includes: data merge equipment, are positioned at high in the clouds, are connected with M high in the clouds application apparatus,
For the filtering image that the medium filtering subset of each high in the clouds application apparatus exports is spliced
To obtain filtering integral image.
Described system includes: human face region splitting equipment, and the Background control being arranged on theater is indoor, with
Data merge equipment and connect to obtain filtering integral image；For each picture in filtering integral image
Vegetarian refreshments, mates its gray value with default face tonal range, when its gray value is at default face
Time in tonal range, determine that it is face pixel；By all face pixels in filtering integral image
The region of some composition splits to obtain each face subgraph from filtering integral image；For often
One people's face image, for its filtering integral image in position determine for face subgraph
Corresponding seat numbering.
Wherein, for spectators institute corresponding to seat numbered face subgraph corresponding to face subgraph
Theater seat numbering；The real-time face brightness of face subgraph and real time environment brightness deviate from really
Determine mode as follows: when the real-time face brightness of face subgraph is more than real time environment brightness, determine people
The real-time face brightness of face image 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, determine the real-time face brightness of face subgraph and real-time ring
Border brightness is non-to be deviated from；Infrared laser pen also includes receiver of remote-control sytem, for receiving the laser that far-end is sent
Open remote signal and laser shutdown remote signal.
Alternatively, in the system: the gray value of black level pixel is 0；White level pixel
Gray value be 255；Also include: portable hard drive, be used for prestoring R channel weighting value, G leads to
Higher and channel B weighted value；The Background control that portable hard drive is arranged on projection room is indoor；Mobile
Hard disk is additionally operable to store default face tonal range.
It addition, cloud computing, i.e. cloud computing, be related service based on internet increase,
Use and delivery mode, be usually directed to provide the most easily extension and often virtualization by internet
Resource.Cloud is a kind of metaphor saying of network, internet.Past the most often represents with cloud
Telecommunications network, is the most also used for representing the abstract of internet and underlying infrastructure.Therefore, cloud computing is very
To you can be allowed to experience the operational capability of 10 TFlops per second, having the most powerful computing capability can
With simulated-nuclear explosion, Prediction of Climate Change and market trend.User by computer, notebook,
The modes such as mobile phone access data center, carry out computing by the demand of oneself.
Definition to cloud computing has multiple saying.For what is cloud computing on earth, at least can find
100 kinds of explanations.Present stage is well accepted is that National Institute of Standards and Technology (NIST) is fixed
Justice: cloud computing is a kind of pattern paid by usage amount, this pattern provide available, easily,
On-demand network accesses, and (resource includes network, service to enter configurable computing resource sharing pond
Device, storage, application software, service), these resources can quickly be provided, and only need to put into seldom
Management work, or carry out little mutual with service supplier.
Use the cloud computing system of the present invention, cannot be effective for the offer of taking on the sly of performance for prior art
The technical problem of detection of electrons, by using targetedly, high-precision a series of images processes
The audience status of auditorium is analyzed by equipment and image analysis equipment, also by performance scene
Environment is analyzed, and on the basis of above-mentioned analysis, carries out the behavior of pirates shoot person in auditorium accurately
Detection and location recognition, finally take aposematic mechanism that the person of taking on the sly carries out electronic reminding, thus avoiding
While disturbing other spectators viewing, effectively reduce the generation of behavior of taking on the sly.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement
Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from
Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention
Scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example
Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection
In the range of.
Claims (7)
1. a cloud computing system, described system includes that spectators' face brightness detects equipment, projection room
Ambient brightness detection equipment and infrared laser equipment, infrared laser equipment is for based on spectators' face brightness
The output of the output of detection equipment and projection room ambient brightness detection equipment determines the Laser emission of self
Direction.
2. cloud computing system as claimed in claim 1, it is characterised in that described system includes:
DSP processes chip, and the Background control being arranged on theater is indoor, deviates from detection equipment even with brightness
Connect, for sending, based on targeted seat numbering, the drive control signal including that targeted seat is numbered；
Timer, the Background control being arranged on theater is indoor, is used for providing timing signal；
Ambient brightness sensing equipment, is arranged on middle position, theater roof, is used for sensing theater inner loop
The real-time luminosity in border is to export as real time environment brightness；
Face brightness detection equipment, the Background control being arranged on theater is indoor, sets with human face region segmentation
Standby connection is to receive everyone face image and the seat numbering of its correspondence, for based on everyone
The gray value of each pixel of face image calculate the brightness of image of everyone face image using as
Real-time face brightness exports；
Brightness deviates from detection equipment, and the Background control being arranged on theater is indoor, respectively with timer, ring
Border brightness detection equipment and face brightness detection equipment connect, and are used for receiving real time environment brightness and connecing
Receive the real-time face brightness of everyone face image, for everyone face image, when it is real-time
When the time that face brightness and real time environment brightness deviate from reaches predetermined time period threshold value, by people's face
The seat numbering that image is corresponding exports as targeted seat numbering；
Motor driving apparatus, the Background control being arranged on theater is indoor, process with DSP respectively chip and
Motor device connects, and processes, for receiving DSP, the drive control signal that chip is sent, and to driving control
Signal processed carries out resolving to determine that targeted seat is numbered, and calculates target level angle based on targeted seat numbering
Degree and target pitch angle；
Motor device, is arranged on the position, roof directly over theater draw curtain, respectively with motor driving apparatus
Connecting with infrared laser pen, including horizontal drive motor and vertical driving motor, horizontal drive motor is used
In the level angle of infrared laser pen is adjusted to target level angle, vertical driving motor is for by red
The luffing angle of outer laser pen is adjusted to target pitch angle；Wherein, motor device is at horizontal drive electricity
Machine and vertical driving motor send laser opening signal after all adjusting；
Infrared laser pen, is arranged on the position, roof directly over theater draw curtain, processes core with DSP respectively
Sheet and motor device connect, including battery, Laser emission switch and generating laser, battery be used for be
The Laser emission of infrared laser pen provides supply of electric power, and Laser emission switch is receiving driving control letter
Being switched to open mode after number and when receiving laser opening signal, generating laser includes pumping two pole
Pipe, the laser signal of a length of 671 nanometers of transmitted wave in the case of opening at Laser emission switch；
High-definition image collecting device, is arranged on middle position, theater roof, for theater draw curtain opposite
Auditorium carry out IMAQ to export high-definition image, the resolution ratio of high-definition image is 3840 ×
2160；
Data splitting equipment, is positioned at high in the clouds, is connected with high-definition image collecting device, for by high definition figure
As being divided into N number of image block, N is the natural number more than 1；
Command channel, high in the clouds management equipment, is positioned at high in the clouds, for high in the clouds order is carried out channel management；
N number of high in the clouds storage device, is positioned at high in the clouds, is connected with data splitting equipment, for storing respectively
N number of image block；
Cloud service central apparatus, is positioned at high in the clouds, is connected with N number of high in the clouds storage device, is used 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 more than 1
Natural number and M less than or equal to N；
M high in the clouds application apparatus, is positioned at high in the clouds, is connected with cloud service central apparatus, is used for receiving
Image block that be assigned to, more than one, each high in the clouds application apparatus includes:
Gray processing process subset, including channel parameters extraction unit, weighted value memory cell and
Gray value computing unit, channel parameters extraction unit is used for receiving each image block, and extraction is published picture
As the R passage pixel value of each pixel, G passage pixel value and channel B pixel value in piecemeal,
Weighted value memory cell is used for having prestored R channel weighting value, G channel weighting value and channel B and adds
Weights, gray value computing unit is connected with channel parameters extraction unit and weighted value memory cell respectively,
For each pixel in image block, by the product of R passage pixel value and R channel weighting value,
The product of G passage pixel value and G channel weighting value and channel B pixel value and channel B weighted value
Product addition with obtain for the gray value of pixel, and based on each pixel in image block
Gray value obtain gray level image corresponding to image block；Wherein, R channel weighting value value is
0.298839, G channel weighting value value is 0.586811, and channel B weighted value value is 0.114350；
Histogram distribution detection subset, processes subset with gray processing and is connected, be used for receiving ash
Degreeization image, and gray level image is carried out grey level histogram process to obtain corresponding histogram figure
Picture, when histogram image presents bimodal distribution, sends global threshold and selects signal, otherwise, send
Non-global threshold selects signal；
Threshold value selects subset, is connected, for receiving with histogram distribution detection subset
Global threshold select signal time, using global threshold 128 as threshold data export, receive non-entirely
When office's threshold value selects signal, neighbor pixel gray difference threshold 40 is exported as threshold data；
Binary conversion treatment subset, selects subset and histogram distribution detection respectively with threshold value
Equipment connects, for when receiving global threshold and selecting signal, and each in gray level image
Individual pixel, when gray value more than or equal to threshold data time, by for pixel be set to white level
Pixel, when gray value less than threshold data time, by for pixel be set to black level pixel,
And the binary image that output gray level image is corresponding；Binary conversion treatment subset is additionally operable to receiving
When non-global threshold selects signal, for each pixel in gray level image, calculate Vertical Square
To upwards apart from the gray value of pixel of its 3 pixels as upper grey scale pixel value, calculate vertical
Direction downwards apart from the gray value of pixel of its 3 pixels as lower grey scale pixel value, calculate water
Square to the left apart from the gray value of pixel of its 3 pixels as left grey scale pixel value, calculate
Horizontal direction to the right apart from the gray value of pixel of its 3 pixels 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 pixel
The absolute value of the difference of gray value and right grey scale pixel value less than or equal to threshold data time, by for pixel
Point is set to white level pixel, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is big
Absolute value in threshold data or the difference of left grey scale pixel value and right grey scale pixel value is more than threshold data
Time, by for pixel be set to black level pixel, and the two-value that output gray level image is corresponding
Change image；
Picture smooth treatment subset, is connected with binary conversion treatment subset, is used for receiving two-value
Change image, for each pixel in binary image, when adjacent all pixels exist
During more than half trip point, then by for the gray value of pixel retain, otherwise, by for
The gray value of pixel is set to white level pixel, and exports the smooth figure that binary image is corresponding
Picture；
Medium filtering subset, processes subset with image balance and is connected, and is used for receiving smooth figure
Picture, carries out following process to obtain filter for each pixel in smoothed image as target pixel points
Ripple image: exist as the centre of form of the filtration module selected using target pixel points position in smoothed image
In smoothed image, the multiple pixels of taking-up are as multiple reference image vegetarian refreshments, take the picture of multiple reference image vegetarian refreshments
Maximum in element value and minimum of a value using as pixel maximum and pixel minimum, determine that pixel is maximum
The mean value of value and pixel minimum is using as pixel average, for each reference image vegetarian refreshments, as
Really its pixel value is less than pixel average, then replace its pixel value, if its pixel value is more than with 0
In pixel average, then retain its pixel value, finally average by the pixel value of multiple reference image vegetarian refreshments
It is worth the pixel value as target pixel points to export；
Data merge equipment, are positioned at high in the clouds, are connected with M high in the clouds application apparatus, for by each
The filtering image of the medium filtering subset output of high in the clouds application apparatus carries out splicing to obtain filtering whole
Close image；
Human face region splitting equipment, the Background control being arranged on theater is indoor, merges equipment with data even
Connect to obtain filtering integral image；For each pixel in filtering integral image, by its gray scale
Value is mated with default face tonal range, when its gray value is in default face tonal range,
Determine that it is face pixel；By filtering integral image in all face pixels composition region from
Filtering integral image splits to obtain each face subgraph；Scheme for everyone face
Picture, for its position in filtering integral image determine for seat corresponding to face subgraph compile
Number；Wherein, for spectators institute corresponding to seat numbered face subgraph corresponding to face subgraph
Theater seat numbering；
Wherein, the determination mode that the real-time face brightness of face subgraph and real time environment brightness deviate from is such as
Under: when the real-time face brightness of face subgraph is more than real time environment brightness, determine face subgraph
Real-time face brightness deviate from real time environment brightness, when the real-time face brightness of face subgraph is less than
During equal to real time environment brightness, determine that the real-time face brightness of face subgraph is non-with real time environment brightness
Deviate from；
Wherein, infrared laser pen also includes receiver of remote-control sytem, and the laser sent for receiving far-end is opened
Remote signal and laser shutdown remote signal.
3. cloud computing system as claimed in claim 2, it is characterised in that:
The gray value of black level pixel is 0.
4. cloud computing system as claimed in claim 2, it is characterised in that:
The gray value of white level pixel is 255.
5. cloud computing system as claimed in claim 2, it is characterised in that also include:
Portable hard drive, is used for prestoring R channel weighting value, G channel weighting value and channel B weighting
Value.
6. cloud computing system as claimed in claim 5, it is characterised in that:
The Background control that portable hard drive is arranged on projection room is indoor.
7. cloud computing system as claimed in claim 5, it is characterised in that:
Portable hard drive is additionally operable to store default face tonal range.
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