Background technology
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
Can be in time to the position where the person of taking on the sly
The content of the invention
In order to solve the above problems, the invention provides a kind of parallel image smoothing processing platform, spectators are set at the scene
Seat image capture device completes the extraction to auditorium image, introduces various image processing equipments and image analysis equipment judges to see
Whether there is the suspicious person of taking on the sly in many seat images, in the case where the suspicious person of taking on the sly be present, extracting the suspicious person of taking on the sly
The numbering at place seat, then also ambient parameter or current performance content are detected in real time at the scene, with according to suspicious
The information and Site Detection result of the 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 can be according to taking on the sly
Person 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 parallel image smoothing processing platform, the platform include multiple clouds
Application apparatus is held, each high in the clouds application apparatus includes the sub- equipment of picture smooth treatment, and the sub- equipment of picture smooth treatment is used
Picture smooth treatment is performed in the image to being assigned to, the image procossing of multiple high in the clouds application apparatus uses parallel work-flow mode.
More specifically, in the parallel image smoothing processing platform, including:Embedded processing equipment, is arranged on opera
In the Background control room of institute, it is connected with Content analysis apparatus, is numbered for being sent based on targeted seat numbering including targeted seat
Driving control signal;Theatre content acquisition equipment, theatre stage opposite is arranged on, for gathering theatre stage in real time
On scene image using be used as real-time scene image output;Content analysis apparatus, it is arranged in the Background control room of theatre, point
It is not connected with screen detection device and theatre content acquisition equipment, for receiving real-time scene image, is additionally operable to receive each
Individual screen subgraph seat numbering corresponding with its, by each screen subgraph and real-time scene image carry out content matching with
Content matching percentage is determined, it is when content matching percentage is more than or equal to preset percentage threshold value, screen subgraph is corresponding
Seat numbering as targeted seat numbering output;Wherein, the number of objects being present in screen subgraph and content matching hundred
The relation for dividing ratio is non-linear dependence;Orientation equipment, it is arranged in the Background control room of theatre, connects with embedded processing equipment
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;Prompting mechanism, set on each spectators seat
One is put, position is in the rear that spectators seat corresponds to the chair back, including spring, expansion controller and wooden protrusion member, wooden
Protrusion member is arranged on the front of spring, and expansion controller is connected with orientation equipment, for controlling the stretching, extension and contraction of spring;Its
In, expansion controller stretches spring to realize point of the wooden protrusion member to spectators' back when receiving and taking pictures alarm signal
Touch;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;CMOS sensing equipments, if
Put in theatre roof middle position, the auditorium for theater stage opposite of singing in antiphonal style carries out IMAQ to export auditorium figure
Picture;Data splitting equipment, positioned at high in the clouds, it is connected with CMOS sensing equipments, for auditorium image to be divided into N number of image point
Block, N are the natural number more than 1;N number of high in the clouds storage device, positioned at high in the clouds, it is connected with data splitting equipment, for storing N respectively
Individual 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 point
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;High in the clouds order
Channel management equipment, positioned at high in the clouds, for carrying out channel management to high in the clouds order;M high in the clouds application apparatus, positioned at high in the clouds, with
Cloud service central apparatus connect, for receiving image block be assigned to, more than one, each high in the clouds application apparatus bag
Include: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 is examined
Sub- equipment is surveyed, is connected with the sub- equipment of gray processing processing, intensity histogram is carried out for receiving gray level image, and to gray level image
Figure processing, when bimodal distribution is presented in histogram image, sends global threshold selection signal to obtain corresponding histogram image,
Otherwise, non-global threshold selection signal is sent;Threshold value selects sub- equipment, is connected with histogram distribution detection device, for connecing
When receiving global threshold selection signal, exported global threshold 128 as threshold data, receiving non-global threshold selection letter
Number when, using neighbor pixel gray difference threshold 40 as threshold data export;The sub- equipment of binary conversion treatment, selected respectively with threshold value
Sub- equipment and histogram distribution detect sub- equipment and connected, for when receiving global threshold selection signal, for gray processing figure
As in each pixel, when gray value is more than or equal to threshold data, by for pixel be arranged to white level pixel
Point, when gray value is less 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 binary conversion treatment is additionally operable to when receiving non-global threshold selection signal, for gray processing
Each pixel in image, calculate vertical direction upwards apart from its 3 pixels pixel gray value as upper picture
Plain gray value, calculate vertical direction downwards apart from its 3 pixels pixel gray value as lower grey scale pixel value, calculate
Horizontal direction to the left apart from its 3 pixels pixel gray value as left grey scale pixel value, calculated level direction is to the right
Apart from its 3 pixels pixel gray value as right grey scale pixel value, when upper grey scale pixel value and lower grey scale pixel value
The absolute value of difference be less than or equal to the absolute value of threshold data and the difference of left grey scale pixel value and right grey scale pixel value and be less than or equal to
During threshold data, by for pixel be arranged to white level pixel, when the difference of upper grey scale pixel value and lower grey scale pixel value
Absolute value when being more than the absolute value of threshold data or the difference of left grey scale pixel value and right grey scale pixel value and being more than threshold data, general
For pixel be arranged to black level pixel, and binary image corresponding to output gray level image;Picture smooth treatment
Sub- equipment, it is connected with the sub- equipment of binary conversion treatment, for receiving binary image, for each pixel in binary image
Point, when more than half trip point in adjacent all pixels point be present, then by for the gray value of pixel retain, it is no
Then, by for the gray value of pixel be arranged to white level pixel, and export smoothed image corresponding to binary image;In
The sub- equipment of value filtering, it is connected with the sub- equipment of image balance processing, for receiving smoothed image, to the ash of the pixel of smoothed image
Angle value is analyzed to determine the distribution radius in each noise profile region, the distribution radius based on each noise profile region
In maximum determine carry out medium filtering filtered pixel block size, using the filtered pixel block size of determination to smoothed image
Median filter process is carried out to obtain filtering image;Data merge equipment, positioned at high in the clouds, are connected with M high in the clouds application apparatus, use
Spliced in by the filtering image of the sub- equipment output of the medium filtering of each high in the clouds application apparatus to obtain filtering integration map
Picture;Screen detection device, it is arranged in the Background control room of theatre, merging equipment with data is connected to obtain filtering integration map
Picture, filtering integral image is matched to detect and be partitioned into filtering with the screen pattern of the various mobile terminals prestored
Each screen subgraph in integral image, for each screen subgraph, for its position in integral image is filtered
It is determined that seat corresponding to the screen subgraph being directed to is numbered;Wherein, for screen subgraph corresponding to seat numbering be to hold
For screen subgraph corresponding to mobile terminal spectators where theatre seat number;Wherein, Content analysis apparatus will
Each screen subgraph carries out content matching to determine that content matching percentage specifically includes with real-time scene image:Identify
Each object in real-time scene image, for each object, detect it and whether there is in screen subgraph, be present in screen
Number of objects in curtain subgraph is more, then content matching percentage is higher.
More specifically, in the parallel image smoothing processing platform, in addition to:Histogram distribution detects sub- equipment, two
Value handles sub- equipment and the sub- equipment of picture smooth treatment and realized respectively by different CPLD chips.
More specifically, in the parallel image smoothing processing platform, in addition to:Histogram distribution detects sub- equipment, two
Value handles sub- equipment and the sub- equipment of picture smooth treatment and is integrated on one piece of surface-mounted integrated circuit.
More specifically, in the parallel image smoothing processing platform, in addition to:Embedded processing equipment is built-in with storage
Unit, for prestoring voice document corresponding with no photographing.
More specifically, in the parallel image smoothing processing platform, in addition to:Embedded processing equipment also includes timing
Unit.
More specifically, in the parallel image smoothing processing platform, in addition to:Embedded processing equipment is raised with two-channel
Sound device connects.
Embodiment
The embodiment of the parallel image smoothing processing platform of the present invention is described in detail below with reference to accompanying drawings.
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 parallel image smoothing processing platform, auditorium image has been entered
Row electronic 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,
Positional information also based on the person of taking on the sly is reminded the person of taking on the sly, so as to realize the oriented detection and orientation of the live person of taking on the sly of performance
Warning.
Fig. 1 is the block diagram of the parallel image smoothing processing platform according to embodiment of the present invention, described flat
Platform includes multiple high in the clouds application apparatus, and each high in the clouds application apparatus includes the sub- equipment of picture smooth treatment, image smoothing
Handle sub- equipment to be used to perform picture smooth treatment to the image being assigned to, the image procossing of multiple high in the clouds application apparatus is using simultaneously
Row mode of operation.
Then, continue that the concrete structure of the parallel image smoothing processing platform of the present invention is further detailed.
The platform includes:Embedded processing equipment, it is arranged in the Background control room of theatre, with Content analysis apparatus
Connection, the driving control signal of targeted seat numbering is included for being sent based on targeted seat numbering;Theatre content acquisition is set
It is standby, theatre stage opposite is arranged on, for gathering the scene image on theatre stage in real time to be used as real-time scene image
Output.
The platform includes:Content analysis apparatus, it is arranged in the Background control room of theatre, is set respectively with screen detection
It is standby to be connected with theatre content acquisition equipment, for receiving real-time scene image, be additionally operable to receive each screen subgraph and
Its corresponding seat numbering, content matching is carried out to determine content matching hundred by each screen subgraph and real-time scene image
Point ratio, when content matching percentage is more than or equal to preset percentage threshold value, using seat numbering corresponding to screen subgraph as
Targeted seat numbering output;Wherein, the number of objects being present in screen subgraph and the relation right and wrong of content matching percentage
Linear dependence.
The platform includes:Orientation equipment, it is arranged in the Background control room of theatre, connects with embedded processing equipment
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 platform 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 platform 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;CMOS sensing equipments, theatre roof middle position is arranged on, the auditorium for theater stage opposite of singing in antiphonal style carries out image
Gather to export auditorium image;Data splitting equipment, positioned at high in the clouds, it is connected with CMOS sensing equipments, for by auditorium figure
As being divided into N number of image block, N is the natural number more than 1.
The platform includes:N number of high in the clouds storage device, positioned at high in the clouds, it is connected with data splitting equipment, for storing respectively
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 point
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.
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;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 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, is connected with histogram distribution detection device, for
When receiving global threshold selection signal, exported global threshold 128 as threshold data, receiving non-global threshold selection
During 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, the gray value of the pixel of smoothed image is analyzed to determine the distribution in each noise profile region half
Footpath, the maximum in the distribution radius based on each noise profile region determine to carry out the filtered pixel block size of medium filtering,
The filtered pixel block size of determination is used to carry out median filter process to smoothed image to obtain filtering image.
The platform 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 platform includes:Screen detection device, it is arranged in the Background control room of theatre, equipment company is merged with data
Connect to obtain filtering integral image, filtering integral image is matched with the screen pattern of the various mobile terminals prestored
To detect and be partitioned into each screen subgraph in filtering integral image, 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 theatre seat numbering corresponding to the screen subgraph being directed to where the spectators of mobile terminal.
Wherein, Content analysis apparatus by each screen subgraph and real-time scene image carry out content matching to determine in
Hold match-percentage to specifically include:The each object in real-time scene image is identified, for each object, whether detects it
It is present in screen subgraph, the number of objects being present in screen subgraph is more, then content matching percentage is higher.
Alternatively, in the platform:Histogram distribution is detected at sub- equipment, the sub- equipment of binary conversion treatment and image smoothing
Sub- equipment is managed to be realized by different CPLD chips respectively;Histogram distribution detects sub- equipment, the sub- equipment of binary conversion treatment and figure
As the sub- equipment of smoothing processing is integrated on one piece of surface-mounted integrated circuit;Embedded processing equipment is built-in with memory cell, for pre-
First store voice document corresponding with no photographing;Embedded processing equipment also includes timing unit;And embedded processing is set
It is standby to be connected with two-way speaker.
In addition, CPLD (Complex Programmable Logic Device) CPLD, be from
The device that PAL and GAL device developments come out, comparatively scale is big, complicated, belongs to large scale integrated circuit scope.It is
A kind of user according to respective need and voluntarily digital integrated electronic circuit of constitutive logic function.Its basic design method is by integrated
Develop software platform, the methods of with schematic diagram, hardware description language, generate corresponding file destination, by download cable ("
System " programs) code is sent in objective chip, realize the digital display circuit of design.
CPLD is mainly the programmable interconnection matrix list that center is surrounded by FPGA macroelement (MC, Macro Cell)
Member composition.Wherein MC structures are more complicated, and with complicated I/O cell interconnection structures, can be generated as needed by user specific
Circuit structure, complete certain function.Because the metal wire inside CPLD using regular length carries out the interconnection of each logical block,
So the logic circuit of design has time predictability, the shortcomings that segmented interconnection structure sequential is not exclusively predicted is avoided.
From CPLD developing histories, in the 1970s, earliest PLD -- PLD is born.Its
Export structure is programmable logic macrocell, because his Design of Hardware Architecture can be completed (to cover equivalent to house by software
Artificial portion of design bureau doors structure afterwards), thus his design has very strong flexibility, but its mistake than the digital circuit of pure hardware
Them are also made to realize the circuit of scale is smaller in simple structure.For make up PLD can only design small scale in circuitry this lack
Fall into, the 1980s mid-term, be proposed CPLD -- CPLD.This application goed deep into network, instrument and meter,
Automotive electronics, Digit Control Machine Tool, Space TT&C system etc..
CPLD has the characteristics that:With flexible in programming, integrated level is high, designs and develops that the cycle is short, the scope of application is wide, exploitation
Instrument is advanced, design and manufacture cost is low, standardized product low to the hardware skill requirement of designer is without test, strong security, valency
The features such as lattice are popular, fairly large circuit design can be achieved, therefore be widely used in the prototype and product of product
Among production is (typically below 10,000).Nearly all occasion using middle and small scale general digital integrated circuit can be answered
With CPLD devices.CPLD devices turn into the indispensable part of electronic product, and its design and application turns into electronics work
A kind of journey Shi Bibei technical ability.
Can not be that taking on the sly for performance provides effectively for prior art using the parallel image smoothing processing platform of the present invention
Detection of electrons technical problem, by using targetedly, high-precision a series of images processing equipment and graphical analysis
Equipment is analyzed the audience status of auditorium, also by analyzing the environment at performance scene, in the base of above-mentioned analysis
On plinth, the behavior to pirates shoot person in auditorium carries out accurately detection and position identifies.
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.