CN107547834A - Data service platform based on cloud processing - Google Patents

Abstract

The present invention relates to a kind of data service platform based on cloud processing, including high in the clouds storage device, cloud service central apparatus and high in the clouds application apparatus, cloud service central apparatus are connected with high in the clouds storage device and high in the clouds application apparatus respectively, image block for high in the clouds storage device to be stored is assigned to high in the clouds application apparatus and handled, and high in the clouds application apparatus includes gray processing and handles the sub- equipment of sub- equipment and histogram distribution detection.By means of the invention it is possible to improve data service quality.

Description

Data service platform based on cloud processing

Technical field

The present invention relates to cloud process field, more particularly to a kind of data service platform based on cloud processing.

Background technology

Cloud computing, i.e. cloud computing, are the increase, use and delivery mode of the related service based on internet, It is usually directed to by internet to provide dynamic easily extension and the often resource of virtualization.Cloud is one kind of network, internet Liken saying.Past often represents telecommunications network in figure with cloud, is also used for representing internet and underlying infrastructure later It is abstract.Therefore, cloud computing even can allow you to experience the operational capability of 10 TFlops per second, possess so powerful computing capability Can be with simulated-nuclear explosion, Prediction of Climate Change and market trend.User is accessed by modes such as computer, notebook, mobile phones Data center, computing is carried out by the demand of oneself.

There are a variety of sayings to the definition of cloud computing.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 provides network access available, easily, on demand, 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 interact with service supplier.Cloud computing starts to step into each important application field.

Due to the continuous development of camcorder technology, high-resolution, the microcam of small volume are increasingly popularized, and spectators only need High-resolution image recording or image taking can be completed by carrying the various mobile terminals with camera, so, be carried out Piracy is taken on the sly very easy, and huge economic losses are caused to relevant industry.

Piracy, which is taken on the sly, to be typically occurred in cinema, theater, arenas, projection room or theatre, and operator is in order to avoid steathily Bat behavior it is prevailing, it will usually arrange special staff to be arranged in around auditorium, every fixed intervals arrange one, With the manner behavior of spectators near naked-eye observation, once the recording that finds to there is spectators' hand-held mobile terminal to carry out image or photo Shooting, is gone forward to prevent immediately or is alerted using hand-held infrared emission pen, so as to interrupt the behavior of taking on the sly of spectators.

However, there is the drawbacks of inherent in this artificial anti-mode taken on the sly：First, if auditorium area is larger, need Many staff are arranged to carry out field monitor, it means that to need substantial amounts of cost of labor；Secondly, staff's naked eyes are swept The mode efficiency retouched is low, and the mode of direct surveillance easily occurs to let off taking on the sly for some corner locations because of burnout Person；Finally, set the mode of staff to bring discomfort to the spectators of normal viewing performance near spectators, it is glad to have impact on them Appreciate the mood of performance.

As can be seen here, the artificial anti-mode taken on the sly has inborn deficiency, in order to overcome above-mentioned drawback, reduces and prevents what is taken on the sly Operation cost, the anti-operating 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, electricity Anti- take on the sly of son has two kinds of developing direction, and a kind of made an issue of on the mobile terminal held in spectators, when mobile terminal is shot certainly Dynamic detection is taken on the sly behavior, but this mode may be because that the person of taking on the sly is avoided to the selection of mobile terminal, another kind be The scene of taking on the sly disposes electronic jamming device, and this mode can avoid evading for 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 the sightless infrared ray of human eye, infrared if the person of taking on the sly is moving terminal or video camera shooting Line will disturb the video camera imaging of the person of taking on the sly, the image or lower picture quality for causing the person of taking on the sly to obtain, can not commercially sell Sell and propagated on network, so as to effectively safeguard copyright interest.

But this mode needs to launch infrared ray always, and the transmitting of infrared ray is large-scale, it is necessary to from each Infrared ray is all launched in position, 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 others Break through direction.

Therefore, the present invention proposes a kind of anti-electronic equipment taken on the sly in new scene, can be by audience seat The behavioral value of spectators and determine to whether there is in audience seat the person of taking on the sly by the parameter extraction to site environment, and The position where the person of taking on the sly can be positioned in time, in order to take corresponding orientation warning measure, remind the person of taking on the sly to put Abandon the behavior of taking on the sly.

The content of the invention

In order to solve the above problems, the invention provides a kind of data service platform based on cloud processing, set at the scene Auditorium image capture device completes the extraction to auditorium image, introduces various image processing equipments and image analysis equipment is sentenced Whether there is the suspicious person of taking on the sly in disconnected auditorium image, in the case where the suspicious person of taking on the sly be present, extracting suspicious steal The numbering at seat where bat person, then also ambient parameter or current performance content are detected in real time at the scene, can with basis The information and Site Detection result of the doubtful person of taking on the sly determine the really person of taking on the sly, it is even more important that establish it is a set of being capable of basis The person of taking on the sly position is oriented the mechanism of prompting, so as to completely automatically realize electronic type detection and warning to the person of taking on the sly.

According to an aspect of the present invention, there is provided a kind of data service platform based on cloud processing, the platform include cloud Hold storage device, cloud service central apparatus and high in the clouds application apparatus, cloud service central apparatus respectively with high in the clouds storage device Connected with high in the clouds application apparatus, the image block for high in the clouds storage device to be stored is assigned at the application apparatus of high in the clouds Reason, high in the clouds application apparatus include gray processing and handle the sub- equipment of sub- equipment and histogram distribution detection.

More specifically, in the data service platform handled based on cloud, including：High-definition image collecting device, set In theatre roof middle position, for carrying out IMAQ to the auditorium on theatre stage opposite to export high-definition image, high definition The resolution ratio of image is 3840 × 2160；Data splitting equipment, positioned at high in the clouds, it is connected with high-definition image collecting device, for inciting somebody to action High-definition image is divided into N number of image block, and N is the natural number more than 1；High in the clouds command channel management equipment, positioned at high in the clouds, is used for Channel management is carried out to high in the clouds order；N number of high in the clouds storage device, positioned at high in the clouds, it is connected with data splitting equipment, for depositing respectively Store up N number of image block；Cloud service central apparatus, positioned at high in the clouds, it is connected with N number of high in the clouds storage device, for concentrating N number of image Piecemeal, 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 cloud Application apparatus is held, positioned at high in the clouds, is connected with cloud service central apparatus, for receiving image point be assigned to, more than one Block, each high in the clouds application apparatus include：The sub- equipment of gray processing processing, including the storage of channel parameters extraction unit, weighted value are single Member and gray value computing unit, channel parameters extraction unit are used to receive each image block, extract every in image block R passages pixel value, G passages pixel value and the channel B pixel value of one pixel, weighted value memory cell are used to prestore R channel weightings value, G channel weightings value and channel B weighted value, gray value computing unit respectively with channel parameters extraction unit and add Weight storage unit connects, for each pixel in image block, by the product of R passages pixel value and R channel weighting values, The product addition of the product of G passages pixel value and G channel weighting values and channel B pixel value and channel B weighted value is to obtain pin To pixel gray value, and based in image block each pixel gray value obtain image block corresponding to gray processing Image；Wherein, R channel weightings value value is that 0.298839, G channel weighting values value is 0.586811, channel B weighted value value For 0.114350；Histogram distribution detects sub- equipment, is connected with the sub- equipment of gray processing processing, for receiving gray level image, and Grey level histogram processing is carried out to gray level image to obtain corresponding histogram image, bimodal distribution is presented in histogram image When, global threshold selection signal is sent, otherwise, sends non-global threshold selection signal；Threshold value selects sub- equipment, with histogram point Cloth detects the connection of sub- equipment, for when receiving global threshold selection signal, global threshold 128 is defeated as threshold data Go out, when receiving non-global threshold selection signal, exported neighbor pixel gray difference threshold 40 as threshold data；Two-value Change and handle sub- equipment, select sub- equipment and histogram distribution to detect sub- equipment with threshold value respectively and be connected, for receiving the overall situation During threshold value selection signal, for each pixel in gray level image, when gray value is more than or equal to threshold data, by pin To pixel be arranged to white level pixel, when gray value is less than threshold data, by for pixel be arranged to black appliances Flat pixel, and binary image corresponding to output gray level image；The sub- equipment of binary conversion treatment be additionally operable to receive it is non-complete During 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 vertical direction downwards apart from the pixel of its 3 pixels as upper grey scale pixel value Gray value is used as left apart from the gray value of the pixel of its 3 pixels to the left as lower grey scale pixel value, calculated level direction Grey scale pixel value, calculated level direction to the right apart from its 3 pixels pixel gray value 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 When the absolute value of the difference of gray value is less than or equal to threshold data, by for pixel be arranged to 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 The absolute value of difference is when being more than threshold data, by for pixel be arranged to black level pixel, and output gray level image pair The binary image answered；The sub- equipment of picture smooth treatment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, For each pixel in binary image, when the trip point of more than half in adjacent all pixels point be present, then By for the gray value of pixel retain, otherwise, by for the gray value of pixel be arranged to white level pixel, it is and defeated Go out smoothed image corresponding to binary image；The sub- equipment of medium filtering, it is connected with the sub- equipment of image balance processing, it is flat for receiving Sliding image, following processing is carried out to obtain filtering image as target pixel points for each pixel in smoothed image：With The centre of form of the filtration module of position of the target pixel points in smoothed image alternatively takes out multiple pixels in smoothed image Select and be used as multiple reference image vegetarian refreshments, take the maximum in the pixel value of multiple reference image vegetarian refreshments and minimum value to be used as pixel maximum Value and pixel minimum, the average value of pixel maximum and pixel minimum are determined using as pixel average, for each Reference image vegetarian refreshments, if its pixel value is less than pixel average, its pixel value is replaced with 0, if its pixel value is more than or 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 pixel points Pixel value output；Data merge equipment, positioned at high in the clouds, are connected with M high in the clouds application apparatus, for each high in the clouds to be applied The filtering image of the sub- equipment output of medium filtering of equipment is spliced to obtain filtering integral image；Sub-screen data analysis is set It is standby, it is arranged in the Background control room in theatre, merging equipment with data is connected to obtain filtering integral image；Integrated for filtering Each pixel in image, its gray value is matched with default mobile terminal screen tonal range, when its gray value When in default mobile terminal screen tonal range, screen pixels point is determined that it is；All screens in integral image will be filtered The region of pixel composition is split to obtain each screen subgraph from filtering integral image；For each screen Image, seat corresponding to the screen subgraph for determining to be directed to for its position in integral image is filtered are numbered；Wherein, for Screen subgraph corresponding to seat numbering be to hold the play corresponding to the screen subgraph being directed to where the spectators of mobile terminal Institute's seat numbering；Ambient brightness detection device, theatre roof middle position is arranged on, for detecting the real-time of theatre internal environment Brightness as real time environment brightness to export；Screen intensity detection device, it is arranged in the Background control room in theatre, with sub-screen DAF connection is numbered with receiving each screen subgraph seat corresponding with its, for based on each screen The gray value of each pixel of image calculates the screen intensity of each screen subgraph to be exported as real time screen brightness；It is bright Spend matching unit, be arranged in the Background control room in theatre, respectively with ambient brightness detection device and screen intensity detection device Connection, for receiving real time environment brightness and receiving the real time screen brightness of each screen subgraph, by each screen The real time screen brightness of subgraph is matched with real time environment brightness, when the real time screen brightness that screen subgraph be present subtracts When the difference of real time environment brightness is more than or equal to predetermined luminance threshold value, using seat numbering corresponding to screen subgraph as target seat Bit number exports；DSP process chips, it is arranged in the Background control room in theatre, is connected with brightness matching equipment, for based on mesh Standard seat bit number sends the driving control signal for including targeted seat numbering；Remote control equipment, it is arranged on directly over theatre stage Roof position, controlled for being connected with DSP process chips to receive the driving control signal that DSP process chips are sent, and to driving Signal processed is parsed to determine that targeted seat is numbered, and is numbered based on targeted seat and is determined remote signal；Seat warning lamp, it is each One is set on individual spectators seat, for receiving remote signal with based on remote signal progress feux rouges warning.

More specifically, described based in the data service platform of cloud processing：Channel parameters extraction unit, weighted value storage Unit and gray value computing unit are integrated on one piece of surface-mounted integrated circuit.

More specifically, described based in the data service platform of cloud processing：The gray value of black level pixel is 0.

More specifically, described based in the data service platform of cloud processing：The gray value of white level pixel is 255.

More specifically, in the data service platform handled based on cloud, in addition to：SD storage cards, for depositing in advance Store up R channel weightings value, G channel weightings value and channel B weighted value.

More specifically, described based in the data service platform of cloud processing：SD storage cards are arranged on the backstage control in theatre System is indoor.

More specifically, described based in the data service platform of cloud processing：SD storage cards are additionally operable to store predetermined luminance Threshold value.

Brief description of the drawings

Embodiment of the present invention is described below with reference to accompanying drawing, wherein：

Fig. 1 is the block diagram of the data service platform based on cloud processing according to embodiment of the present invention.

Reference：1 high in the clouds storage device；2 cloud service central apparatus；3 high in the clouds application apparatus

Embodiment

The embodiment of the data service platform based on cloud processing of the present invention is carried out specifically below with reference to accompanying drawings It is bright.

Cloud computing is another great change after the 1980's mainframe computer to the big change of client-server. Cloud computing (Cloud Computing) is Distributed Calculation (Distributed Computing), parallel computation (Parallel Computing), effectiveness calculates (Utility Computing), [5] network storage (Network Storage Technologies (Virtualization), load balancing (Load Balance), hot-standby redundancy (High), are virtualized Available) traditional computer and the product of network technical development fusion such as.

Currently, the behavior of taking on the sly of the performance such as cinema, theater, arenas, projection room or theatre occasion is very serious, due to The development of camera technique and the development of image processing techniques, the quality of image that scene is taken on the sly are very high, it is easy to for carrying out net Network is sold or dish sale, and so by the pressure of serious blow legal copy operator, certain negative effect is brought to industry development.

For example, according to the record of Motion Picture Association of America, movie piracy causes film industry to lose up to 6,000,000,000 dollars every year. Movie piracy has far-reaching influence to whole economic sectors, so that he is identified a kind of in each country Criminal offence.And a kind of main source of pirated film is exactly that shooting is taken on the sly, that is, pass through shifting in cinema or projection room Dynamic equipment carries out film and taken on the sly.Although BBC reports that most of movie piracy may be from industry internal staff and be supplied to shadow The advance film duplicates of people are commented, but it is still an important sources of online pirate sale that shooting, which is taken on the sly,.In nearest decades, The development of Internet bandwidth and point-to-point protocol all promotes the further circulation of pirated film.

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 piracy Source.

Some industry leaders are in order to identify and tracing pirate film, it is proposed that by Coded Anti-Piracy (CAP) method, I.e. toward increasing watermark in film.First Coded Anti-Piracy is designed by Kodak, subsequent Deluxe Laboratories couple It is improved.Philips it is also proposed the mark for being named as a CineFence system in 2006.However, digital watermark is only It is a kind of passive measure, he can not eliminate and prevent shooting from taking 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 shooting, meanwhile, these interference signals is not interfered with the spectators of movie theatre.

Early stage, substantial amounts of camera interference method mainly make use of the principle of imaging sensor response infrared ray.Moved to disturb Move video camera and light is generated in the picture of shooting, infrared emitter is mounted in the cinema.Except those transmitters Etc. extra cost and regular job expense, this scheme can be by enclosing appropriate filter on camera lens.It is but this Mode is easy to be avoided because of the selection of the person of taking on the sly.

All there is the drawbacks of certain in above-mentioned anti-pattern of taking on the sly, in order to overcome above-mentioned deficiency, the present invention has built one kind and has been based on The data service platform of cloud processing, electronic analysis is carried out to auditorium image, electronic analysis, and base are carried out to live performance environment The person of taking on the sly is carried out in two kinds of analysis results to judge, in addition, the positional information also based on the person of taking on the sly is reminded the person of taking on the sly, so as to The oriented detection and orientation for realizing the live person of taking on the sly of performance alert.

Fig. 1 be according to embodiment of the present invention based on cloud processing data service platform block diagram, institute Stating platform includes high in the clouds storage device, cloud service central apparatus and high in the clouds application apparatus, cloud service central apparatus respectively with High in the clouds storage device connects with high in the clouds application apparatus, and the image block for high in the clouds storage device to be stored is assigned to high in the clouds application Equipment is handled, and high in the clouds application apparatus includes gray processing and handles the sub- equipment of sub- equipment and histogram distribution detection.

Then, continue to carry out further the concrete structure of the data service platform based on cloud processing of the present invention It is bright.

The platform includes：High-definition image collecting device, theatre roof middle position is arranged on, for theatre stage pair The auditorium in face carries out IMAQ to export high-definition image, and the resolution ratio of high-definition image is 3840 × 2160；Data segmentation is set It is standby, positioned at high in the clouds, it is connected with high-definition image collecting device, for high-definition image to be divided into N number of image block, N is more than 1 Natural number.

The platform includes：High in the clouds command channel management equipment, positioned 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, positioned at high in the clouds, it is connected with data splitting equipment, for storing N number of image block respectively；High in the clouds takes It is engaged in central apparatus, positioned at high in the clouds, is connected with N number of high in the clouds storage device, for concentrates N number of image block, and by N number of image block M high in the clouds application apparatus is distributed to, M is the natural number more than 1 and M is less than or equal to N；M high in the clouds application apparatus, positioned at high in the clouds, It is connected with cloud service central apparatus, for receiving image block be assigned to, more than one.

Each high in the clouds application apparatus includes：The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value are deposited Storage unit and gray value computing unit, channel parameters extraction unit are used to receive each image block, extract image block In each pixel R passages pixel value, G passages pixel value and channel B pixel value, weighted value memory cell be used for deposit in advance Stored up R channel weightings value, G channel weightings value and channel B weighted value, gray value computing unit respectively with channel parameters extraction unit Connected with weighted value memory cell, for each pixel in image block, by R passages pixel value and R channel weighting values The product addition of product, the product of G passages pixel value and G channel weighting values and channel B pixel value and channel B weighted value is to obtain The gray value for the pixel being directed to is taken, and the gray value based on each pixel in image block obtains ash corresponding to image block Degreeization image；Wherein, R channel weightings value value is that 0.298839, G channel weighting values value is 0.586811, channel B weighted value Value is 0.114350.

Each high in the clouds application apparatus includes：Histogram distribution detects sub- equipment, is connected, uses with the sub- equipment of gray processing processing In reception gray level image, and grey level histogram processing is carried out to gray level image to obtain corresponding histogram image, straight When bimodal distribution is presented in square figure image, global threshold selection signal is sent, otherwise, sends non-global threshold selection signal.

Each high in the clouds application apparatus includes：Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution is connected, and is used for When receiving global threshold selection signal, exported global threshold 128 as threshold data, receiving non-global threshold choosing When selecting signal, exported neighbor pixel gray difference threshold 40 as threshold data.

Each high in the clouds application apparatus includes：The sub- equipment of binary conversion treatment, select sub- equipment and histogram with threshold value respectively Distribution detects the connection of sub- equipment, for when receiving global threshold selection signal, for each picture in gray level image Vegetarian refreshments, when gray value is more than or equal to threshold data, by for pixel be arranged to white level pixel, when gray value is less than During threshold data, by for pixel be arranged to black level pixel, and binary image corresponding to output gray level image； The sub- equipment of binary conversion treatment is additionally operable to when receiving non-global threshold selection signal, for each picture in gray level image Vegetarian refreshments, it is vertical as upper grey scale pixel value, calculating to calculate gray value of the vertical direction upwards apart from the pixel of its 3 pixels Direction downwards apart from its 3 pixels pixel gray value as lower grey scale pixel value, calculated level direction distance to the left The gray value of the pixel of its 3 pixels is as left grey scale pixel value, and calculated level direction is to the right apart from its 3 pixels The gray value of pixel is as right grey scale pixel value, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are less than etc. When threshold data and the absolute value of the difference of left grey scale pixel value and right grey scale pixel value are less than or equal to threshold data, by for Pixel is arranged to white level pixel, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are more than threshold data Or the absolute value of the difference of left grey scale pixel value and right grey scale pixel value is when being more than threshold data, by for pixel be arranged to black Level pixel point, and binary image corresponding to output gray level image.

Each high in the clouds application apparatus includes：The sub- equipment of picture smooth treatment, it is connected, is used for the sub- equipment of binary conversion treatment Receive binary image, for each pixel in binary image, when exist in adjacent all pixels point half with On trip point when, then by for the gray value of pixel retain, otherwise, by for the gray value of pixel be arranged to white Level pixel point, and export smoothed image corresponding to binary image.

Each high in the clouds application apparatus includes：The sub- equipment of medium filtering, it is connected with the sub- equipment of image balance processing, for connecing Smoothed image is received, following processing is carried out as target pixel points to obtain filtering figure for each pixel in smoothed image Picture：Taken out with the centre of form of the filtration module of position of the target pixel points in smoothed image alternatively in smoothed image multiple Pixel takes maximum in the pixel value of multiple reference image vegetarian refreshments and minimum value to be used as pixel as multiple reference image vegetarian refreshments Maximum and pixel minimum, the average value of pixel maximum and pixel minimum are determined using as pixel average, for every One reference image vegetarian refreshments, if its pixel value is less than pixel average, its pixel value is replaced with 0, if its pixel value is more than 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 output of vegetarian refreshments.

The system includes：Data merge equipment, positioned at high in the clouds, be connected with M high in the clouds application apparatus, for by each The filtering image of the sub- equipment output of medium filtering of high in the clouds application apparatus is spliced to obtain filtering integral image；Sub-screen number According to analytical equipment, it is arranged in the Background control room in theatre, merging equipment with data is connected to obtain filtering integral image；For Each pixel in integral image is filtered, its gray value is matched with default mobile terminal screen tonal range, when When its gray value is in default mobile terminal screen tonal range, screen pixels point is determined that it is；By in filtering integral image The region of all screen pixels point compositions is split to obtain each screen subgraph from filtering integral image；For each Individual screen subgraph, seat corresponding to the screen subgraph for determining to be directed to for its position in integral image is filtered are numbered.

Wherein, for screen subgraph corresponding to seat numbering be hold corresponding to the screen subgraph being directed to it is mobile eventually Theatre seat numbering where the spectators at end.

The system includes：Ambient brightness detection device, theatre roof middle position is arranged on, for detecting inside theatre The real-time luminosity of environment as real time environment brightness to export；Screen intensity detection device, it is arranged on the Background control room in theatre It is interior, connected with sub-screen DAF to receive each screen subgraph and its corresponding seat numbering, for based on The gray value of each pixel of each screen subgraph calculates the screen intensity of each screen subgraph to be used as real-time screen Curtain brightness output.

The system includes：Brightness matching equipment, it is arranged in the Background control room in theatre, is detected respectively with ambient brightness Equipment connects with screen intensity detection device, for receiving real time environment brightness and receiving the real-time of each screen subgraph Screen intensity, the real time screen brightness of each screen subgraph is matched with real time environment brightness, it is sub when screen be present When the difference that the real time screen brightness of image subtracts real time environment brightness is more than or equal to predetermined luminance threshold value, by screen subgraph pair The seat numbering answered is as targeted seat numbering output.

The system includes：DSP process chips, it is arranged in the Background control room in theatre, is connected with brightness matching equipment, Include the driving control signal of targeted seat numbering for being sent based on targeted seat numbering；Remote control equipment, it is arranged on theatre dance Roof position directly over platform, for being connected with DSP process chips to receive the driving control signal that DSP process chips are sent, And driving control signal is parsed to determine that targeted seat is numbered, numbered based on targeted seat and determine remote signal；Seat Warning lamp, one is set on each spectators seat, for receiving remote signal to carry out feux rouges warning based on remote signal.

Alternatively, in the platform：Channel parameters extraction unit, weighted value memory cell and gray value computing unit quilt It is integrated on one piece of surface-mounted integrated circuit；The gray value of black level pixel is 0；The gray value of white level pixel is 255；Also wrap Include：SD storage cards, for prestoring R channel weightings value, G channel weightings value and channel B weighted value；SD storage cards are arranged on play In the Background control room of institute；SD storage cards are additionally operable to store predetermined luminance threshold value.

It is a kind of particularly suitable for carrying out Digital Signal Processing computing in addition, dsp chip, also referred to as digital signal processor Microprocessor, its mainly application be to realize various digital signal processing algorithms real-time.

According to the requirement of Digital Signal Processing, dsp chip typically has following main feature：(1) in an instruction cycle It is interior to complete a multiplication and a sub-addition；(2) program and data space is separated, can simultaneously access instruction and data；(3) piece It is interior that there is quick RAM, it can generally be accessed simultaneously in two pieces by independent data/address bus；(4) there is low overhead or without expense The hardware supported for circulating and redirecting；(5) quickly interrupt processing and Hardware I/O are supported；(6) it is more with being operated within the monocycle Individual hardware address generator；(7) multiple operations can be performed parallel；(8) pile line operation is supported, makes fetching, decoding and execution Can be with Overlapped Execution Deng operation.

Can not be the offer of taking on the sly of performance for prior art using the data service platform based on cloud processing of the present invention The technical problem of effective detection of electrons, by using targetedly, high-precision a series of images processing equipment and image Analytical equipment is analyzed the audience status of auditorium, also by analyzing the environment at performance scene, in above-mentioned analysis On the basis of, the behavior to pirates shoot person in auditorium carries out accurately detection and position identifies, finally takes aposematic mechanism to taking on the sly Person carries out electronic reminding, so as to while avoiding disturbing other spectators to watch, effectively reduce the generation for behavior of taking on the sly.

It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection It is interior.

Claims (2)

1. a kind of data service platform based on cloud processing, the platform include high in the clouds storage device, cloud service central apparatus With high in the clouds application apparatus, cloud service central apparatus are connected with high in the clouds storage device and high in the clouds application apparatus respectively, for by cloud The image block of end storage device storage is assigned to high in the clouds application apparatus and handled, and high in the clouds application apparatus includes gray processing processing Sub- equipment and histogram distribution detect sub- equipment.

2. the data service platform as claimed in claim 1 based on cloud processing, it is characterised in that the platform includes：

High-definition image collecting device, theatre roof middle position is arranged on, for carrying out figure to the auditorium on theatre stage opposite As gathering to export high-definition image, the resolution ratio of high-definition image is 3840 × 2160；

Data splitting equipment, positioned at high in the clouds, it is connected 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, positioned 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, positioned at high in the clouds, it is connected with data splitting equipment, for storing N number of image block respectively；

Cloud service central apparatus, positioned at high in the clouds, it is connected with N number of high in the clouds storage device, for concentrating N number of image block, and by N Individual image block is distributed to M high in the clouds application apparatus, and M is the natural number more than 1 and M is less than or equal to N；

M high in the clouds application apparatus, positioned at high in the clouds, be connected with cloud service central apparatus, for receive be assigned to, more than one Image block, each high in the clouds application apparatus includes：

The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value memory cell and gray value computing unit, passage Parameter extraction unit be used for receive each image block, extract each pixel in image block R passages pixel value, G passages pixel value and channel B pixel value, weighted value memory cell are used to prestore R channel weightings value, G channel weighting values With channel B weighted value, gray value computing unit is connected with channel parameters extraction unit and weighted value memory cell respectively, for figure As each pixel in piecemeal, by R passages pixel value and product, G passages pixel value and the G channel weightings of R channel weighting values The gray value for the pixel that the product and channel B pixel value of value are directed to the product addition of channel B weighted value with obtaining, and base The gray value of each pixel obtains gray level image corresponding to image block in image block；Wherein, R channel weightings value takes It is 0.586811 to be worth for 0.298839, G channel weighting values value, and channel B weighted value value is 0.114350；

Histogram distribution detects sub- equipment, is connected with the sub- equipment of gray processing processing, for receiving gray level image, and to gray processing Image carries out grey level histogram processing to obtain corresponding histogram image, when bimodal distribution is presented in histogram image, sends Global threshold selection signal, otherwise, send non-global threshold selection signal；

Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution is connected, for when receiving global threshold selection signal, Exported global threshold 128 as threshold data, when receiving non-global threshold selection signal, by neighbor pixel gray scale difference Threshold value 40 exports as threshold data；

The sub- equipment of binary conversion treatment, select sub- equipment and histogram distribution to detect sub- equipment with threshold value respectively and be connected, for connecing When receiving global threshold selection signal, for each pixel in gray level image, when gray value is more than or equal to number of threshold values According to when, by for pixel be arranged to white level pixel, when gray value is less than threshold data, by for pixel set It is set to black level pixel, and binary image corresponding to output gray level image；The sub- equipment of binary conversion treatment is additionally operable to connecing When receiving non-global threshold selection signal, for each pixel in gray level image, the upward distance of vertical direction is calculated The gray value of the pixel of its 3 pixels calculates vertical direction downwards apart from its 3 pixels as upper grey scale pixel value The gray value of pixel as lower grey scale pixel value, calculated level direction to the left apart from its 3 pixels pixel gray scale Value be used as left grey scale pixel value, calculated level direction to the right apart from its 3 pixels pixel gray value as right pixel Gray value, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are less than or equal to threshold data and left grey scale pixel value When being less than or equal to threshold data with the absolute value of the difference of right grey scale pixel value, by for pixel be arranged to white level pixel Point, when upper grey scale pixel value and the absolute value of the difference of lower grey scale pixel value are more than threshold data or left grey scale pixel value and right pixel When the absolute value of the difference of gray value is more than threshold data, by for pixel be arranged to black level pixel, and output gray level Change binary image corresponding to image；

The sub- equipment of picture smooth treatment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, for binary picture Each pixel as in, when more than half trip point in adjacent all pixels point be present, then by for pixel The gray value of point retains, otherwise, by for the gray value of pixel be arranged to white level pixel, and export binary image Corresponding smoothed image；

The sub- equipment of medium filtering, it is connected with the sub- equipment of image balance processing, 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 filtration module of position alternatively takes out multiple pixels as multiple reference image vegetarian refreshments in smoothed image, takes more Maximum and minimum value in the pixel value of individual 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, positioned at high in the clouds, are connected with M high in the clouds application apparatus, for by 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；

Sub-screen DAF, it is arranged in the Background control room in theatre, merging equipment with data is connected to be filtered Integral image；For each pixel in filtering integral image, by its gray value and default mobile terminal screen gray scale model Enclose and matched, when its gray value is in default mobile terminal screen tonal range, determine that it is screen pixels point；Will filtering The region of all screen pixels points composition in integral image is split from filtering integral image to obtain each screen Image；For each screen subgraph, the screen subgraph pair for determining to be directed to for its position in integral image is filtered The seat numbering answered；Wherein, for screen subgraph corresponding to seat numbering be to hold corresponding to the screen subgraph being directed to Theatre seat numbering where the spectators of mobile terminal；

Ambient brightness detection device, be arranged on theatre roof middle position, for detect the real-time luminosity of theatre internal environment with Exported as real time environment brightness；

Screen intensity detection device, it is arranged in the Background control room in theatre, is connected with sub-screen DAF to receive Each screen subgraph seat numbering corresponding with its, the gray value for each pixel based on each screen subgraph The screen intensity of each screen subgraph is calculated to be exported as real time screen brightness；

Brightness matching equipment, it is arranged in the Background control room in theatre, is examined respectively with ambient brightness detection device and screen intensity Measurement equipment connects, will be each for receiving real time environment brightness and receiving the real time screen brightness of each screen subgraph The real time screen brightness of individual screen subgraph is matched with real time environment brightness, when the real time screen that screen subgraph be present is bright When degree subtracts the difference of real time environment brightness and is more than or equal to predetermined luminance threshold value, using seat numbering corresponding to screen subgraph as Targeted seat numbering output；

DSP process chips, it is arranged in the Background control room in theatre, is connected with brightness matching equipment, for based on targeted seat Numbering sends the driving control signal for including targeted seat numbering；

Remote control equipment, the roof position being arranged on directly over theatre stage, for being connected with DSP process chips to receive at DSP The driving control signal that reason chip is sent, and driving control signal is parsed to determine that targeted seat is numbered, based on target Seat numbering determines remote signal；

Seat warning lamp, one is set on each spectators seat, it is red to be carried out based on remote signal for receiving remote signal Light warns；

Channel parameters extraction unit, weighted value memory cell and gray value computing unit are integrated on one piece of surface-mounted integrated circuit；

The gray value of black level pixel is 0.