CN107547836A - High in the clouds medium filtering system - Google Patents

Abstract

The present invention relates to a kind of high in the clouds medium filtering system, including multiple high in the clouds application apparatus, the image procossing of multiple high in the clouds application apparatus uses parallel work-flow mode, each high in the clouds application apparatus includes the sub- equipment of medium filtering, and the sub- equipment of medium filtering is used to perform median filter process to the image being assigned to.By means of the invention it is possible to improve the speed of image filtering processing.

Description

High in the clouds medium filtering system

Technical field

The present invention relates to image filtering field, more particularly to a kind of high in the clouds medium filtering system.

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.Cloud computing is progressively applied in every field.

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, while 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.

Therefore, it is necessary to which a kind of anti-scheme of taking on the sly of new electronics, can be based on cloud processing and carry out electronics point to auditorium image Analysis, electronic analysis is carried out to live performance environment, and carry out the person of taking on the sly based on two kinds of analysis results and judge, in addition, also based on steathily The positional information of bat person is reminded the person of taking on the sly, so as to realize that the oriented detection of the live person of taking on the sly of performance and orientation alert.

The content of the invention

In order to solve the above problems, the invention provides a kind of high in the clouds medium filtering system, sets auditorium figure at the scene As extraction of the collecting device completion to auditorium image, introduce various image processing equipments and image analysis equipment judges auditorium Whether there is the suspicious person of taking on the sly in image, in the case where the suspicious person of taking on the sly be present, extracting the suspicious person of taking on the sly place The numbering at seat, then also ambient parameter or current performance content are detected in real time at the scene, to be taken on the sly according to suspicious The information and Site Detection result of person determine the really person of taking on the sly, it is even more important that establish it is a set of can be according to the person of taking on the sly position The mechanism for being oriented prompting is put, 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 high in the clouds medium filtering system, the system should including multiple high in the clouds With equipment, the image procossing of multiple high in the clouds application apparatus uses parallel work-flow mode, and each high in the clouds application apparatus includes one The sub- equipment of medium filtering, the sub- equipment of medium filtering are used to perform median filter process to the image being assigned to.

More specifically, in the high in the clouds medium filtering system, including：Orientation equipment, it is arranged on the Background control of theater Interior, it is connected with Ling Yang SPCE061A chips, for being parsed to driving control signal to determine that targeted seat is numbered, is based on Targeted seat is numbered and sends alarm signal of taking pictures to numbering corresponding prompting mechanism and two-way speaker with targeted seat；Prompting Mechanism, sets one on each spectators seat, and position be in the rear that spectators seat correspond to the chair back, including spring, stretches and control Device processed and wooden protrusion member, wooden protrusion member are arranged on the front of spring, and expansion controller is connected with orientation equipment, is used for Control the stretching, extension and contraction of spring；Wherein, it is wooden to realize to stretch spring when receiving and taking pictures alarm signal for expansion controller Protrusion member touches to the point of spectators' back；Two-way speaker, one is set on each spectators seat, position is in spectators' seat In the corresponding handrail in position, it is connected with orientation equipment, for playing language corresponding with no photographing when receiving and taking pictures alarm signal Sound file；Theater content acquisition equipment, is arranged on theater stage opposite, in real time gather theater stage on scene image with Exported as real-time scene image；Content analysis apparatus, it is arranged in the Background control room of theater, is set respectively with sub-screen identification It is standby to be connected with theater content acquisition equipment, for receiving real-time scene image, it is additionally operable to receive each screen subgraph and its Corresponding seat numbering, each screen subgraph and real-time scene image are subjected to content matching to determine content matching percentage Than when content matching percentage is more than or equal to preset percentage threshold value, using seat numbering corresponding to screen subgraph as mesh Standard seat bit number exports；Wherein, each screen subgraph and real-time scene image are carried out content matching by Content analysis apparatus To determine that content matching percentage specifically includes：By each of each pixel in real-time scene image and each screen subgraph Individual pixel carries out pixel value matching, and the quantity of the pixel value pixel that the match is successful is more, content matching corresponding to screen subgraph Percentage is higher；Wherein, the quantity of the pixel value pixel that the match is successful and the relation of content matching percentage are non-linear dependences； Ling Yang SPCE061A chips, are arranged in the Background control room of theater, are connected with Content analysis apparatus, for based on targeted seat Numbering sends the driving control signal for including targeted seat numbering；High-definition image collecting device, it is arranged on theater roof center position Put, for carrying out IMAQ to the auditorium on theater stage opposite 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 Individual image block, N are the natural number more than 1；High in the clouds command channel management equipment, positioned at high in the clouds, for being carried out to high in the clouds order Channel management；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 number of figure As piecemeal is distributed to M high in the clouds application apparatus, M is the natural number more than 1 and M is less than or equal to N；M high in the clouds application apparatus, is located at High in the clouds, it is connected with cloud service central apparatus, for receiving image block be assigned to, more than one, each high in the clouds should Included with equipment：The sub- equipment of gray processing processing, including channel parameters extraction unit, weighted value memory cell and gray value calculate list Member, channel parameters extraction unit are used to receive each image block, extract the R passages of each pixel in image block Pixel value, G passages pixel value and channel B pixel value, weighted value memory cell are used to prestore R channel weightings value, G passages Weighted value and channel B weighted value, gray value computing unit are connected with channel parameters extraction unit and weighted value memory cell respectively, For each pixel in image block, R passages pixel value and product, G passages pixel value and the G of R channel weighting values are led to The gray scale for the pixel that the product and channel B pixel value of higher are directed to the product addition of channel B weighted value with obtaining Value, and the gray value based on each pixel in image block obtains gray level image corresponding to image block；Wherein, R passages Weighted value value is that 0.298839, G channel weighting values value is 0.586811, and channel B weighted value value is 0.114350；Nogata Figure distribution detects sub- equipment, is connected with the sub- equipment of gray processing processing, is carried out for receiving gray level image, and to gray level image Grey level histogram processing, when bimodal distribution is presented in histogram image, sends global threshold to obtain corresponding histogram image Selection signal, otherwise, send non-global threshold selection signal；Threshold value selects sub- equipment, and detecting sub- equipment with histogram distribution connects Connect, it is non-complete receiving for when receiving global threshold selection signal, being exported global threshold 128 as threshold data During office's threshold value selection signal, exported neighbor pixel gray difference threshold 40 as threshold data；The sub- equipment of binary conversion treatment, point Sub- equipment and histogram distribution is selected to detect sub- equipment and be connected with threshold value, for when receiving global threshold selection signal, For each pixel in gray level image, when gray value is more than or equal to threshold data, by for pixel set For white level pixel, when gray value is less than threshold data, by for pixel be arranged to black level pixel, and export Binary image corresponding to gray level image；The sub- equipment of binary conversion treatment is additionally operable to receiving non-global threshold selection signal When, for each pixel in gray level image, calculate vertical direction upwards apart from its 3 pixels pixel ash Angle value as upper grey scale pixel value, calculate vertical direction downwards apart from its 3 pixels pixel gray value as lower picture Plain gray value, calculated level direction to the left apart from its 3 pixels pixel gray value as left grey scale pixel value, calculate Horizontal direction to the right apart from its 3 pixels pixel gray value as right grey scale pixel value, when upper grey scale pixel value and The absolute value of the difference of lower grey scale pixel value is less than or equal to the exhausted of threshold data and the difference of left grey scale pixel value and right grey scale pixel value To value be less than or equal to threshold data when, by for pixel be arranged to white level pixel, when upper grey scale pixel value and lower picture The absolute value of the difference of plain gray value is more than threshold data or the absolute value of the difference of left grey scale pixel value and right grey scale pixel value is more 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 picture smooth treatment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, in binary image Each pixel, when more than half trip point in adjacent all pixels point being present, then by for pixel Gray value retains, otherwise, by for the gray value of pixel be arranged to white level pixel, and it is corresponding to export binary image Smoothed image；The sub- equipment of medium filtering, it is connected with the sub- equipment of image balance processing, for receiving smoothed image, for smooth Each pixel carries out following processing to obtain filtering image as target pixel points in image：With target pixel points smooth The centre of form of the filtration module of position alternatively in image takes out multiple pixels as multiple reference images in smoothed image Vegetarian refreshments, maximum in the pixel value of multiple reference image vegetarian refreshments and minimum value are taken using as pixel maximum and pixel minimum, The average value of pixel maximum and pixel minimum is determined using as pixel average, for each reference image vegetarian refreshments, if Its pixel value is less than pixel average, then replaces its pixel value with 0, if its pixel value is more than or equal to pixel average, protect Its pixel value is stayed, is finally exported the average value of the pixel value of multiple reference image vegetarian refreshments as the pixel value of target pixel points；Number According to equipment is merged, positioned at high in the clouds, it is connected with M high in the clouds application apparatus, for by the medium filtering of each high in the clouds application apparatus The filtering image of sub- equipment output is spliced to obtain filtering integral image；Sub-screen identification equipment, after being arranged on theater In platform control room, merge equipment with data and be connected to obtain filtering integral image；For each picture in filtering integral image Vegetarian refreshments, its gray value is matched with default mobile terminal screen tonal range, when its gray value is in default mobile terminal screen When in curtain tonal range, screen pixels point is determined that it is；The region that all screen pixels points filtered in integral image are formed Split from filtering integral image to obtain each screen subgraph；For each screen subgraph, filtered for it Number at seat corresponding to the screen subgraph that position in ripple integral image determines to be directed to；Wherein, for screen subgraph pair The seat numbering answered is to hold the theater seat numbering corresponding to the screen subgraph being directed to where the spectators of mobile terminal.

More specifically, in the high in the clouds medium filtering system, in addition to：Ling Yang SPCE061A chips also include timing list Member.

More specifically, in the high in the clouds medium filtering system, in addition to：The gray processing equipment of processing by asic chip Lai Realize.

More specifically, in the high in the clouds medium filtering system, in addition to：Histogram distribution detects sub- equipment by ASIC cores Piece is realized.

More specifically, in the high in the clouds medium filtering system, in addition to：The sub- equipment of binary conversion treatment by asic chip Lai Realize.

More specifically, in the high in the clouds medium filtering system, in addition to：The sub- equipment of picture smooth treatment is by asic chip To realize.

More specifically, in the high in the clouds medium filtering system, in addition to：The sub- equipment of medium filtering is by asic chip Lai real It is existing.

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 high in the clouds medium filtering system according to embodiment of the present invention.

Reference：Individual high in the clouds application apparatus more than 1

Embodiment

The embodiment of the high in the clouds medium filtering system of the present invention is described in detail below with reference to accompanying drawings.

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, while 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.

In order to overcome above-mentioned deficiency, the present invention has built a kind of high in the clouds medium filtering system, and electricity is carried out to auditorium image Son analysis, electronic analysis is carried out to live performance environment, and carry out the person of taking on the sly based on two kinds of analysis results and judge, in addition, going back base The person of taking on the sly is reminded in the positional information of the person of taking on the sly, so as to realize that the oriented detection of the live person of taking on the sly of performance and orientation are warned Accuse.

Fig. 1 is the block diagram of high in the clouds medium filtering system according to embodiment of the present invention, the system bag Multiple high in the clouds application apparatus are included, the image procossing of multiple high in the clouds application apparatus uses parallel work-flow mode, the application of each high in the clouds Equipment includes the sub- equipment of medium filtering, and the sub- equipment of medium filtering is used to perform median filter process to the image being assigned to.

Then, continue that the concrete structure of the high in the clouds medium filtering system of the present invention is further detailed.

The system includes：Orientation equipment, it is arranged in the Background control room of theater, connects with Ling Yang SPCE061A chips Connect, for driving control signal is parsed with determine targeted seat number, based on targeted seat number to targeted seat Prompting mechanism corresponding to numbering and two-way speaker send alarm signal of taking pictures.

The system includes：Prompting mechanism, one is set on each spectators seat, position is in spectators seat and corresponds to chair The rear of the back of the body, including spring, expansion controller and wooden protrusion member, wooden protrusion member are arranged on the front of spring, stretch Controller is connected with orientation equipment, for controlling the stretching, extension and contraction of spring；Wherein, expansion controller is receiving warning of taking pictures Spring is stretched during signal to realize that wooden protrusion member touches to the point of spectators' back.

The system includes：Two-way speaker, one is set on each spectators seat, position is in spectators seat pair Answer in handrail, be connected with orientation equipment, for playing voice text corresponding with no photographing when receiving and taking pictures alarm signal Part；Theater content acquisition equipment, is arranged on theater stage opposite, in real time gather theater stage on scene image using as Real-time scene image exports.

The system includes：Content analysis apparatus, it is arranged in the Background control room of theater, is set respectively with sub-screen identification It is standby to be connected with theater content acquisition equipment, for receiving real-time scene image, it is additionally operable to receive each screen subgraph and its Corresponding seat numbering, each screen subgraph and real-time scene image are subjected to content matching to determine content matching percentage Than when content matching percentage is more than or equal to preset percentage threshold value, using seat numbering corresponding to screen subgraph as mesh Standard seat bit number exports；Wherein, each screen subgraph and real-time scene image are carried out content matching by Content analysis apparatus To determine that content matching percentage specifically includes：By each of each pixel in real-time scene image and each screen subgraph Individual pixel carries out pixel value matching, and the quantity of the pixel value pixel that the match is successful is more, content matching corresponding to screen subgraph Percentage is higher；Wherein, the quantity of the pixel value pixel that the match is successful and the relation of content matching percentage are non-linear dependences.

The system includes：Ling Yang SPCE061A chips, are arranged in the Background control room of theater, with Content analysis apparatus Connection, the driving control signal of targeted seat numbering is included for being sent based on targeted seat numbering；High-definition image collecting device, Theater roof middle position is arranged on, for carrying out IMAQ to the auditorium on theater stage opposite to export high-definition image, The resolution ratio of high-definition image is 3840 × 2160.

The system includes：Data splitting equipment, positioned at high in the clouds, it is connected with high-definition image collecting device, for by 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, for cloud Sort command carries out channel management；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 respectively Individual image block.

The system includes：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 N number of image block is distributed to M high in the clouds application apparatus, M is the natural number more than 1 and M is less than or equal to N；M high in the clouds application apparatus, positioned at high in the clouds, it is connected with cloud service central apparatus, it is being assigned to, more than one for receiving Image block.

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.

The system includes：Sub-screen identification equipment, it is arranged in the Background control room of theater, equipment company is merged with data Connect to obtain filtering integral image；It is for each pixel in filtering integral image, its gray value and default movement is whole End screen tonal range is matched, and when its gray value is in default mobile terminal screen tonal range, determines that it is screen Pixel；The region that all screen pixels points filtered in integral image form is split to obtain from filtering integral image Obtain each screen subgraph；For each screen subgraph, determine what is be directed to for its position in integral image is filtered Number at seat corresponding to screen subgraph；Wherein, for screen subgraph corresponding to seat numbering be to hold the screen being directed to Theater seat numbering where the spectators of mobile terminal corresponding to subgraph.

Alternatively, in the platform：Ling Yang SPCE061A chips also include timing unit；The gray processing equipment of processing by Asic chip is realized；Histogram distribution detects sub- equipment and realized by asic chip；The sub- equipment of binary conversion treatment is by ASIC cores Piece is realized；The sub- equipment of picture smooth treatment is realized by asic chip；And the sub- equipment of medium filtering by asic chip Lai real It is existing.

In addition, wave filter, is the device filtered to ripple as its name suggests." ripple " is that a very extensive physics is general Read, in electronic technology field, the value that " ripple " is narrowly confined to refer in particular to describe various physical quantitys is with time fluctuations Process.The process is converted into the function of time of voltage or electric current, referred to as various physical quantitys by the effect of various kinds of sensors Time waveform, or referred to as signal.Because the independent variable time is continuous value, referred to as continuous time signal, Habitually it is referred to as analog signal again.

With the generation and rapid development of digital electronic computer technology, for the ease of computer to signal at Reason, generate the complete theoretical and method that continuous time signal is transformed into discrete-time signal under sampling theorem guidance. That is, primary signal only can be expressed without losing with sample value of the original analog signal on series of discrete time coordinate point Lose any information since the expression of ripple, waveform, signal these concepts be various physical quantitys in objective world change, naturally It is the carrier for the various information that modern society depends on for existence.Information needs to propagate, and what is leaned on is exactly the transmission of waveform signal.Signal exists Its generation, conversion, each link of transmission may be distorted due to the presence of environment and interference, even quite a lot of In the case of, this distortion is also very serious, causes signal and its entrained information to be embedded in dearly among noise.In order to These noises are filtered out, recover the signal of script, it is necessary to be filtered processing using various wave filters.

Can not be the effective electricity of offer of taking on the sly of performance for prior art using the high in the clouds medium filtering system of the present invention The technical problem of son detection, by using targetedly, high-precision a series of images processing equipment and image analysis equipment The audience status of auditorium is analyzed, also by analyzing the environment at performance scene, on the basis of above-mentioned analysis, Behavior to pirates shoot person in auditorium carries out accurately detection and position identification, finally takes aposematic mechanism to carry out electronics to the person of taking on the sly Remind, 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 high in the clouds medium filtering system, the system includes multiple high in the clouds application apparatus, the figure of multiple high in the clouds application apparatus Parallel work-flow mode is used as handling, each high in the clouds application apparatus includes the sub- equipment of medium filtering, and medium filtering is set It is ready for use on and median filter process is performed to the image being assigned to.

2. medium filtering system in high in the clouds as claimed in claim 1, it is characterised in that the system includes：

Orientation equipment, it is arranged in the Background control room of theater, is connected with Ling Yang SPCE061A chips, for believing drive control Number parsed to determine that targeted seat is numbered, based on targeted seat number to targeted seat number corresponding prompting mechanism and Two-way speaker sends alarm signal of taking pictures；

Prompting mechanism, one is set on each spectators seat, position is in the rear that spectators seat corresponds to the chair back, including bullet Spring, expansion controller and wooden protrusion member, wooden protrusion member are arranged on the front of spring, expansion controller and orientation equipment Connection, for controlling the stretching, extension and contraction of spring；Wherein, expansion controller receive take pictures alarm signal when stretch spring with Realize that wooden protrusion member touches to the point of spectators' back；

Two-way speaker, one is set on each spectators seat, position is in spectators seat and corresponded in handrail, is set with orientation Standby connection, for playing voice document corresponding with no photographing when receiving and taking pictures alarm signal；

Theater content acquisition equipment, is arranged on theater stage opposite, and the scene image in theater stage is gathered to make for real-time Exported for real-time scene image；

Content analysis apparatus, be arranged in the Background control room of theater, respectively with sub-screen identification equipment and theater content acquisition Equipment connects, and for receiving real-time scene image, is additionally operable to receive each screen subgraph seat numbering corresponding with its, will Each screen subgraph carries out content matching to determine content matching percentage with real-time scene image, when content matching percentage During than more than or equal to preset percentage threshold value, seat numbering corresponding to screen subgraph is numbered as targeted seat and exported；Its In, each screen subgraph and real-time scene image are carried out content matching to determine content matching percentage by Content analysis apparatus Than specifically including：Each pixel in real-time scene image and each pixel of each screen subgraph are subjected to pixel value Match somebody with somebody, the quantity of the pixel value pixel that the match is successful is more, and content matching percentage is higher corresponding to screen subgraph；Wherein, as The quantity and the relation of content matching percentage of the plain value pixel that the match is successful are non-linear dependences；

Ling Yang SPCE061A chips, are arranged in the Background control room of theater, are connected with Content analysis apparatus, for based on target Seat numbering sends the driving control signal for including targeted seat numbering；

High-definition image collecting device, theater roof middle position is arranged on, for carrying out figure to the auditorium on theater 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 identification equipment, it is arranged in the Background control room of theater, merging equipment with data is connected to obtain filtering integration Image；For each pixel in filtering integral image, its gray value and default mobile terminal screen tonal range are entered Row matching, when its gray value is in default mobile terminal screen tonal range, determines that it is screen pixels point；Filtering is integrated The region of all screen pixels points composition in image is split to obtain each screen subgraph from filtering integral image； For each screen subgraph, seat corresponding to the screen subgraph being directed to for its determination of position in integral image is filtered Bit number；Wherein, for screen subgraph corresponding to seat numbering be hold corresponding to the screen subgraph being directed to it is mobile eventually Theater seat numbering where the spectators at end；

Ling Yang SPCE061A chips also include timing unit；

The sub- equipment of gray processing processing is realized by asic chip.