CN106127158A - Alternating current voltage sampling conditioning system - Google Patents
Alternating current voltage sampling conditioning system Download PDFInfo
- Publication number
- CN106127158A CN106127158A CN201610481220.XA CN201610481220A CN106127158A CN 106127158 A CN106127158 A CN 106127158A CN 201610481220 A CN201610481220 A CN 201610481220A CN 106127158 A CN106127158 A CN 106127158A
- Authority
- CN
- China
- Prior art keywords
- value
- image
- pixel
- signal
- brightness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20004—Adaptive image processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Engineering & Computer Science (AREA)
- Evolutionary Computation (AREA)
- Evolutionary Biology (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Psychiatry (AREA)
- Social Psychology (AREA)
- Artificial Intelligence (AREA)
- Life Sciences & Earth Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Image Processing (AREA)
Abstract
The present invention relates to a kind of alternating current voltage sampling conditioning system, including voltage sample circuit, civil power access interface and voltage signal conditioning circuit, civil power access interface is for receiving the Alternating Current Power Supply signal of line input, voltage sample circuit is connected with the A phase line in line, B phase line and C phase line, for the voltage signal in A phase line, B phase line and C phase line is sampled respectively, voltage signal conditioning circuit is connected with voltage sample circuit, for sampling voltage is carried out signal condition.By means of the invention it is possible to the alternating current voltage of theatre is effectively sampled and nurses one's health.
Description
Technical field
The present invention relates to alternating current detection field, particularly relate to a kind of alternating current voltage sampling conditioning system.
Background technology
Due to the development of camcorder technology, the microcam that high-resolution, volume are little is more and more universal, and spectators only need
Carry the various mobile terminal with photographic head and can complete high-resolution image recording or image taking, so, carry out
Piracy is taken on the sly very easy, causes tremendous economic to lose to relevant industry.
Piracy is taken on the sly and is typically occurred in cinema, theater, arenas, projection room or theatre, and operator is in order to avoid stealing
Bat behavior prevailing, it will usually arrange special staff to be arranged in around auditorium, arranges one every fixed interval,
With the manner behavior of spectators near naked-eye observation, once it is found to have spectators' hand-held mobile terminal and carries out the recording of image or photo
Shooting, goes forward immediately stop or use hand-held infrared emission pen to alert, thus interrupts the behavior of taking on the sly of spectators.
But, there is the drawback of inherence in this artificial anti-mode taken on the sly: first, if auditorium area is relatively big, then needs
A lot of staff is 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 inefficiency retouched, and the mode of direct surveillance is susceptible to let slip taking on the sly of some corner location because of asthenia
Person；Finally, the mode arranging staff near spectators brings discomfort to the spectators of normal viewing performance, have impact on them glad
The mood of reward 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 anti-taking on the sly
Operation cost, improves the anti-work efficiency taken on the sly, and operator always searches for the mode that electronics prevents taking on the sly and carries out on-site supervision, electricity
The anti-two kinds of developing direction of having taken on the sly of son, a kind of is to make an issue of on the mobile terminal that spectators are hand-held, when mobile terminal shoots certainly
Dynamic detection is taken on the sly behavior, but this mode is probably due to the selection of mobile terminal is avoided by the person of taking on the sly, another kind be
The scene of taking on the sly disposes electronic jamming device, and this mode can avoid evading of the person of taking on the sly.
The existing anti-electronic jamming device taken on the sly is that 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, if the person of taking on the sly is moving terminal or video camera shooting, the most infrared
Line by the video camera imaging of the interference person of taking on the sly, causes image or lower picture quality that the person of taking on the sly obtains, it is impossible to commercially sell
Sell and propagate on network, thus effectively safeguarding copyright interest.
But, this mode needs to launch infrared ray always, and ultrared transmitting is large-scale, needs from each
Infrared ray, relatively costly and poor feasibility are all launched in position.Therefore on-the-spot electronics prevents that the equipment of taking on the sly also needs to find other
Break through direction.
To this end, the present invention proposes the electronic equipment prevented taking on the sly in a kind of new scene, it is possible to by audience seat
The behavioral value of spectators and by the parameter extraction of site environment being determined whether there is the person of taking on the sly in audience seat, and
In time the position at the person of taking on the sly place can be positioned, in order to take to orient warning measure accordingly, remind the person of taking on the sly to put
Abandon the behavior of taking on the sly.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of alternating current voltage sampling conditioning system, sight is set at the scene
Many seat image capture devices complete the extraction to auditorium image, introduce various image processing equipment and image analysis equipment judges
Whether auditorium image exists the suspicious person of taking on the sly, in the case of there is the suspicious person of taking on the sly, extracts suspicious taking on the sly
The numbering at seat, person place, detects ambient parameter or current performance content, with according to suspicious the most at the scene in real time
The information of the person of taking on the sly and Site Detection result determine the person that really do not takes on the sly, it is even more important that establish a set of can be according to stealing
Bat person position is oriented the mechanism of prompting, thus completely automatically realizes the detection of the electronic type to the person of taking on the sly and warning.
According to an aspect of the present invention, it is provided that a kind of alternating current voltage sampling conditioning system, described system includes voltage
Sample circuit, civil power access interface and voltage signal conditioning circuit, civil power access interface is for receiving the friendship of line input
Stream power supply signal, voltage sample circuit is connected with the A phase line in line, B phase line and C phase line, for A phase line
Voltage signal in road, B phase line and C phase line is sampled respectively, and voltage signal conditioning circuit is with voltage sample circuit even
Connect, for sampling voltage is carried out signal condition.
More specifically, in described alternating current voltage sampling conditioning system, including: remote control equipment, it is arranged on theatre dance
Position, roof directly over platform is for being connected with AVR32 chip to receive the drive control signal that AVR32 chip is sent and right
Drive control signal carries out resolving to determine that targeted seat is numbered, and determines remote signal based on targeted seat numbering；Bass warns
Equipment, each spectators seat arranges one, plays chip including receiver of remote-control sytem, bass and plays control switch, remote control
Receptor is used for receiving remote signal, plays control switch and is connected, for base with receiver of remote-control sytem and bass broadcasting chip respectively
Start bass in remote signal and play chip to carry out bass warning operation；Wherein, bass is play chip and is included speech memory,
For prestoring the phonetic warning file relevant to no photographing；Timer, the Background control being arranged on theatre is indoor, uses
In providing timing signal；Ambient brightness sensing equipment, is arranged on middle position, theatre roof, is used for sensing theatre inner loop
The real-time luminosity in border is to export as real time environment brightness；Face brightness detection equipment, is arranged on the Background control room of theatre
In, the equipment that divides with human face region connects to receive everyone face image and its corresponding seat numbering, for based on often
The gray value of each pixel of one people's face image calculates the brightness of image of everyone face image using as real-time face
Brightness exports；Brightness deviates from detection equipment, and the Background control being arranged on theatre is indoor, respectively with timer, ambient brightness inspection
Measurement equipment and face brightness detection equipment connect, for receiving real time environment brightness and receiving the reality of everyone face image
Time face brightness, for everyone face image, reach when the time that its real-time face brightness and real time environment brightness deviate from
During predetermined time period threshold value, using seat numbering corresponding for face subimage as targeted seat numbering output；AVR32 chip,
The Background control being arranged on theatre is indoor, deviates from detection equipment with brightness and is connected, for sending bag based on targeted seat numbering
Include the drive control signal of targeted seat numbering；High-definition camera, is arranged on middle position, theatre roof, for based on presetting
Image acquisition rates singing in antiphonal style theater stage opposite carries out sequential image acquisition with continuous print high-definition image on output time；Brightness ratio
Relatively equipment, is connected with high-definition camera, is used for receiving current high-definition image and former frame high-definition image, calculates current high-definition image
Average brightness value as the first brightness value, calculate the average brightness value of former frame high-definition image as the second brightness value, when the
When one brightness value and the second brightness value are both greater than equal to predetermined luminance threshold value, send early warning signal of taking on the sly, by current high-definition image
It is sent to gray processing processing equipment, otherwise, sends and normally watch signal, stop that current high-definition image is sent to gray processing and process
Equipment；Gray processing processing equipment, is connected with brightness ratio relatively equipment, including channel parameters extraction unit, weighted value memory element and
Gray value computing unit, channel parameters extraction unit is connected with high-definition camera, is used for receiving current high-definition image to extract
The R passage pixel value of each pixel, G passage pixel value and channel B pixel value in current high-definition image, weighted value storage is single
Unit is used for having prestored R channel weighting value, G channel weighting value and channel B weighted value, gray value computing unit respectively with passage
Parameter extraction unit and weighted value memory element connect, for each pixel in current high-definition image, by R passage pixel value
Weight with channel B with product and the channel B pixel value of G channel weighting value with product, the G passage pixel value of R channel weighting value
The product addition of value with obtain for the gray value of pixel, and based on the gray value of each pixel in current high-definition image
Obtain the gray level image that current high-definition image is corresponding；Wherein, R channel weighting value value is 0.298839, and G channel weighting value takes
Value is 0.586811, and channel B weighted value value is 0.114350；Histogram distribution detection equipment, with gray processing processing equipment even
Connect, be used for receiving gray level image, and gray level image is carried out the grey level histogram process histogram image with acquisition correspondence,
When histogram image presents bimodal distribution, send global threshold and select signal, otherwise, send non-global threshold and select signal；
Threshold value selects equipment, is connected with histogram distribution detection equipment, for when receiving global threshold and selecting signal, by overall situation threshold
Value 128 exports as threshold data, when receiving non-global threshold and selecting signal, neighbor pixel gray difference threshold 40 is made
Export for threshold data；Binary conversion treatment equipment, selects with threshold value equipment and histogram distribution detection equipment to be connected respectively, is used for
When receiving global threshold and selecting signal, for each pixel in gray level image, when gray value is more than or equal to threshold
During Value Data, by for pixel be set to white level pixel, when gray value less than threshold data time, by for pixel
Point is set to black level pixel, and the binary image that output gray level image is corresponding；Binary conversion treatment equipment is additionally operable to
Receive non-global threshold when selecting signal, for each pixel in gray level image, calculate vertical direction upwards away from
From the gray value of pixel of its 3 pixels as upper grey scale pixel value, calculate vertical direction downwards apart from its 3 pixels
The gray value of pixel as lower grey scale pixel value, calculated level direction is to the left apart from the ash of pixel of its 3 pixels
Angle value as left grey scale pixel value, calculated level direction to the right apart from the gray value of pixel of its 3 pixels as right picture
Element gray value, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is less than or equal to threshold data and left pixel grey scale
Value and right grey scale pixel value difference absolute value less than or equal to threshold data time, by for pixel be set to white level pixel
Point, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is more than threshold data or left grey scale pixel value and right pixel
The absolute value of the difference of gray value more than threshold data time, by for pixel be set to black level pixel, and output gray level
Change the binary image that image is corresponding；Picture smooth treatment equipment, is connected with binary conversion treatment equipment, is used for receiving binary picture
Picture, for each pixel in binary image, when adjacent all pixels exist the trip point of more than half,
Then by for the gray value of pixel retain, otherwise, by for the gray value of pixel be set to white level pixel, and
The smoothed image that output binary image is corresponding；Self adaptation recursive filtering equipment, is connected with image balance processing equipment, is used for connecing
Receive smoothed image, smoothed image is performed self adaptation recursive filtering and processes to obtain filtering image；Human face region divides equipment, if
Put the Background control at theatre indoor, be connected to obtain filtering image with self adaptation recursive filtering equipment, by filtering image and
The facial contour pattern prestored carries out mating each face subimage to detect and be partitioned in filtering image, for often
One people's face image, for its position in filtering image determine for face subimage corresponding seat numbering；Its
In, for the theatre seat numbering at spectators place corresponding to seat numbered face subimage corresponding to face subimage；
Civil power access interface, is connected with the line of theatre position, for receiving the Alternating Current Power Supply signal of line input；Electricity
Current transformer and sample circuit, be connected with the A phase line in line, B phase line and C phase line, for A phase line, B
Current signal in phase line and C phase line is sampled respectively；A phase line in voltage sample circuit, with line, B
Phase line and C phase line connect, for being sampled the voltage signal in A phase line, B phase line and C phase line respectively；Electricity
Stream signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition；Voltage signal
Modulate circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition；AD73360 chip, respectively with electric current
Signal conditioning circuit and voltage signal conditioning circuit connect, and hold the sampling voltage after the sampling current after conditioning and conditioning respectively
16 A/D conversions of row, it is thus achieved that digital current signal and digital voltage signal, are additionally based upon digital current signal and digital voltage signal
Determine the virtual value of digital current signal and the virtual value of digital voltage signal；Alternating Current Power Supply conversion equipment, and in line
A phase line, B phase line and C phase line connect, be used for performing alternating current to galvanic conversion, carry for each electrical equipment
For supply of electric power；Wherein, the determination mode that the real-time face brightness of face subimage and real time environment brightness deviate from is as follows: work as people
When the real-time face brightness of face image is more than real time environment brightness, determine the real-time face brightness of face subimage and real-time ring
Border brightness deviates from, and when the real-time face brightness of face subimage is less than or equal to real time environment brightness, determines face subimage
Real-time face brightness is non-with real time environment brightness to be deviated from；Wherein, AVR32 chip is also connected with AD73360 chip, for based on number
The virtual value of word current signal and the virtual value of digital voltage signal realize electrical management control, wherein, work as digital current signal
Virtual value and digital voltage signal virtual value product less than predetermined power threshold value time, enter energy-saving mode, when numeral electricity
When the product of the virtual value of stream signal and the virtual value of digital voltage signal is more than or equal to predetermined power threshold value, exit economize on electricity mould
Formula.
More specifically, in described alternating current voltage sampling conditioning system, also include: AD73360 chip is arranged on opera
The Background control of institute is indoor.
More specifically, in described alternating current voltage sampling conditioning system, also include: Alternating Current Power Supply conversion equipment is arranged on
The Background control of theatre is indoor.
More specifically, in described alternating current voltage sampling conditioning system, also include: current signal conditioning circuit is arranged on
The Background control of theatre is indoor.
More specifically, in described alternating current voltage sampling conditioning system, also include: current signal conditioning circuit is arranged on
The Background control of theatre is indoor.
More specifically, in described alternating current voltage sampling conditioning system, also include: current transformer and sample circuit set
Put the Background control at theatre indoor.
More specifically, in described alternating current voltage sampling conditioning system, also include: self adaptation recursive filtering equipment, people
Face region divides equipment and picture smooth treatment integration of equipments on one piece of surface-mounted integrated circuit.
More specifically, in described alternating current voltage sampling conditioning system, also include: wireless communication interface, with AVR32 core
Sheet connects, and numbers for wireless transmission targeted seat.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram sampling conditioning system according to the alternating current voltage shown in embodiment of the present invention.
Reference: 1 voltage sample circuit；2 civil power access interfaces；3 voltage signal conditioning circuits
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of the alternating current voltage sampling conditioning system of the present invention is described in detail.
Currently, the behavior of taking on the sly of the performance occasions such as cinema, theater, arenas, projection room or theatre is very serious, due to
The development of camera technique and the development of image processing techniques, the quality of image taken on the sly in scene is the highest, it is easy to be used for carrying out net
Network is sold or dish at quarter is sold, and so by the pressure of serious blow legal copy operator, brings certain negative effect to industry development.
Such as, according to the record of Motion Picture Association of America, movie piracy makes film industry lose up to 6,000,000,000 dollars every year.
Movie piracy has far-reaching influence to whole economic sectors, to such an extent as to he is identified a kind of in each country
Criminal behavior.And a kind of main source of pirated film images exactly and takes on the sly, or pass through in projection room to move the most at the cinema
Dynamic equipment carries out film and takes on the sly.Although BBC reports major part, movie piracy may be from industry internal staff and is supplied to shadow
Comment the film duplicates in advance of people, but shooting is taken on the sly and remained the online pirate important sources sold.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 digital multimedia video of uncommitted illegal propagation, digital watermark by universal research and should
With extensively.In Making Movies or film ejection stage, can take to implant in film to make human eye can't see " pattern " information
Method.If these films are taken on the sly record by video camera, this collection of illustrative plates embedded can be extracted and identify piracy
Source.
Some industry leaders are in order to identify and tracing pirate film, it is proposed that by the method for Coded Anti-Piracy (CAP),
I.e. in film, increase watermark.First Coded Anti-Piracy is designed by Kodak, Deluxe Laboratories pair subsequently
It improves.Philips it is also proposed a mark system being named as CineFence in 2006.But, digital watermark is only
Being a kind of passive measure, he can not eliminate and stop shooting to take on the sly.On the other hand, camera perturbation technique is intended to by serious broken
Bad film visual quality eliminates shooting and takes on the sly, to make these interference signals not interfere with the spectators of movie theatre simultaneously.
The most substantial amounts of camera interference method mainly make use of imaging sensor to respond ultrared principle.In order to disturb shifting
Moving video camera and generate light in the picture of shooting, infrared emitter is installed in cinema.Except those emitters
Etc. extra cost price and regular job expense, this scheme can be by enclosing suitable filter on camera lens.But it is this
Mode is easy to be avoided because of the selection of the person of taking on the sly.
In order to overcome above-mentioned deficiency, the present invention has built a kind of alternating current voltage sampling conditioning system, to auditorium image
Carry out electronic analysis, scene performance environment is carried out electronic analysis, and carries out the person's of taking on the sly judgement based on two kinds of analysis results, separately
Outward, the person of taking on the sly is reminded by the positional information being additionally based upon the person of taking on the sly, thus realize the on-the-spot person of taking on the sly of performance oriented detection and
Orientation warning.
Fig. 1 is the block diagram sampling conditioning system according to the alternating current voltage shown in embodiment of the present invention, described
System includes voltage sample circuit, civil power access interface and voltage signal conditioning circuit, and civil power access interface is used for receiving civil power
The Alternating Current Power Supply signal of circuit input, voltage sample circuit is with the A phase line in line, B phase line and C phase line even
Connect, for the voltage signal in A phase line, B phase line and C phase line is sampled respectively, voltage signal conditioning circuit with
Voltage sample circuit connects, for sampling voltage is carried out signal condition.
Then, the concrete structure continuing the sampling conditioning system of the alternating current voltage to the present invention is further detailed.
Described system includes: remote control equipment, is arranged on the position, roof directly over theatre stage, is used for and AVR32 core
Sheet connects to receive the drive control signal that AVR32 chip is sent, and resolves drive control signal to determine target seat
Bit number, determines remote signal based on targeted seat numbering.
Described system includes: bass caution device, and each spectators seat arranges one, including receiver of remote-control sytem, low
Sound is play chip and is controlled switch with playing, and receiver of remote-control sytem is used for receiving remote signal, plays control switch and connects with remote control respectively
Receive device and bass is play chip and connected, play chip to carry out bass warning operation for starting bass based on remote signal；Its
In, bass is play chip and is included speech memory, for prestoring the phonetic warning file relevant to no photographing；Timing
Device, the Background control being arranged on theatre is indoor, is used for providing timing signal.
Described system includes: ambient brightness sensing equipment, is arranged on middle position, theatre roof, is used for sensing theatre
The real-time luminosity of internal medium is to export as real time environment brightness.
Described system includes: face brightness detection equipment, the Background control being arranged on theatre is indoor, draws with human face region
Subset connects to receive everyone face image and the seat numbering of its correspondence, is used for based on everyone face image
The gray value of each pixel calculates the brightness of image of everyone face image to export as real-time face brightness.
Described system includes: brightness deviates from detection equipment, and the Background control being arranged on theatre is indoor, respectively with timing
Device, ambient brightness detection equipment and face brightness detection equipment connect, and are used for receiving real time environment brightness and receiving each
The real-time face brightness of face subimage, for everyone face image, when its real-time face brightness and real time environment brightness
When the time deviated from reaches predetermined time period threshold value, seat numbering corresponding for face subimage is defeated as targeted seat numbering
Go out.
Described system includes: AVR32 chip, and the Background control being arranged on theatre is indoor, deviates from detection equipment with brightness
Connect, for sending, based on targeted seat numbering, the drive control signal including that targeted seat is numbered；High-definition camera, is arranged on
Middle position, theatre roof, for based on pre-set image acquisition rate singing in antiphonal style theater stage opposite carry out sequential image acquisition with
Continuous print high-definition image on output time.
Described system includes: brightness ratio relatively equipment, is connected with high-definition camera, is used for receiving current high-definition image and previous
Frame high-definition image, calculates the average brightness value of current high-definition image as the first brightness value, putting down of calculating former frame high-definition image
All brightness value is as the second brightness value, when the first brightness value and the second brightness value are both greater than equal to predetermined luminance threshold value, sends
Taking on the sly early warning signal, current high-definition image is sent to gray processing processing equipment, otherwise, sends and normally watch signal, stopping will
Current high-definition image is sent to gray processing processing equipment.
Described system includes: gray processing processing equipment, is connected with brightness ratio relatively equipment, including channel parameters extraction unit,
Weighted value memory element and gray value computing unit, channel parameters extraction unit is connected with high-definition camera, is used for receiving currently
High-definition image is to extract the R passage pixel value of each pixel in current high-definition image, G passage pixel value and channel B picture
Element value, weighted value memory element is used for having prestored R channel weighting value, G channel weighting value and channel B weighted value, gray value
Computing unit is connected with channel parameters extraction unit and weighted value memory element respectively, for each picture in current high-definition image
Vegetarian refreshments, by R passage pixel value and the product of R channel weighting value, the product of G passage pixel value and G channel weighting value and channel B
The product addition of pixel value and channel B weighted value with obtain for the gray value of pixel, and based in current high-definition image
The gray value of each pixel obtains the gray level image that current high-definition image is corresponding；Wherein, R channel weighting value value is
0.298839, G channel weighting value value is 0.586811, and channel B weighted value value is 0.114350.
Described system includes: histogram distribution detection equipment, is connected with gray processing processing equipment, is used for receiving gray processing figure
Picture, and gray level image is carried out the grey level histogram process histogram image with acquisition correspondence, present double at histogram image
During peak distribution, send global threshold and select signal, otherwise, send non-global threshold and select signal.
Described system includes: threshold value selects equipment, is connected with histogram distribution detection equipment, for receiving overall situation threshold
When value selects signal, global threshold 128 is exported as threshold data, when receiving non-global threshold and selecting signal, by phase
Adjacent pixel gray difference threshold 40 exports as threshold data.
Described system includes: binary conversion treatment equipment, selects equipment and histogram distribution detection equipment respectively with threshold value even
Connect, for when receiving global threshold and selecting signal, for each pixel in gray level image, when gray value is more than
During equal to threshold data, by for pixel be set to white level pixel, when gray value is less than threshold data, will be for
Pixel be set to black level pixel, and the binary image that output gray level image is corresponding；Binary conversion treatment equipment is also
For when receiving non-global threshold and selecting signal, for each pixel in gray level image, calculate vertical direction
Upwards apart from the gray value of pixel of its 3 pixels as upper grey scale pixel value, calculate vertical direction downwards apart from its 3
The gray value of the pixel of pixel is as lower grey scale pixel value, and calculated level direction is to the left apart from the pixel of its 3 pixels
The gray value of point is as left grey scale pixel value, and calculated level direction is made apart from the gray value of the pixel of its 3 pixels to the right
For right grey scale pixel value, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value is less than or equal to threshold data and left picture
Element gray value and right grey scale pixel value difference absolute value less than or equal to threshold data time, by for pixel be set to white appliances
Flat pixel, when the absolute value of upper grey scale pixel value and the difference of lower grey scale pixel value more than threshold data or left grey scale pixel value and
When the absolute value of the difference of right grey scale pixel value is more than threshold data, by for pixel be set to black level pixel, and defeated
Go out the binary image that gray level image is corresponding.
Described system includes: picture smooth treatment equipment, is connected with binary conversion treatment equipment, is used for receiving binary picture
Picture, for each pixel in binary image, when adjacent all pixels exist the trip point of more than half,
Then by for the gray value of pixel retain, otherwise, by for the gray value of pixel be set to white level pixel, and
The smoothed image that output binary image is corresponding.
Described system includes: self adaptation recursive filtering equipment, is connected with image balance processing equipment, is used for receiving smooth figure
Picture, performs self adaptation recursive filtering to smoothed image and processes to obtain filtering image.
Described system includes: human face region divides equipment, and the Background control being arranged on theatre is indoor, with self adaptation recurrence
Filter apparatus connects to obtain filtering image, carries out filtering image with the facial contour pattern prestored mating with detection also
Each face subimage being partitioned in filtering image, for everyone face image, for its position in filtering image
Put determine for face subimage corresponding seat numbering；Wherein, for face subimage corresponding seat numbering be people
The theatre seat numbering at the spectators place that face image is corresponding.
Described system includes: civil power access interface, is connected with the line of theatre position, is used for receiving line
The Alternating Current Power Supply signal of input；A phase line, B phase line and C phase line in current transformer and sample circuit, with line
Road connects, for being sampled the current signal in A phase line, B phase line and C phase line respectively；Voltage sample circuit, with
A phase line, B phase line and C phase line in line connect, for the electricity in A phase line, B phase line and C phase line
Pressure signal is sampled respectively.
Described system includes: current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling electricity
Stream carries out signal condition；Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal tune
Reason.
Described system includes: AD73360 chip, connects with current signal conditioning circuit and voltage signal conditioning circuit respectively
Connect, the sampling voltage after the sampling current after conditioning and conditioning performed 16 A/D conversion respectively, it is thus achieved that digital current signal and
Digital voltage signal, is additionally based upon digital current signal and digital voltage signal determines that the virtual value of digital current signal and numeral are electric
The virtual value of pressure signal.
Described system includes: Alternating Current Power Supply conversion equipment, with the A phase line in line, B phase line and C phase line
Connect, be used for performing alternating current to galvanic conversion, for the offer supply of electric power of each electrical equipment.
Wherein, the determination mode that the real-time face brightness of face subimage and real time environment brightness deviate from is as follows: work as face
When the real-time face brightness of subimage is more than real time environment brightness, determine real-time face brightness and the real time environment of face subimage
Brightness deviates from, and when the real-time face brightness of face subimage is less than or equal to real time environment brightness, determines the reality of face subimage
Time face brightness is non-with real time environment brightness deviates from.
Wherein, AVR32 chip is also connected with AD73360 chip, for virtual value based on digital current signal and numeral
The virtual value of voltage signal realizes electrical management control, wherein, when the virtual value of digital current signal and digital voltage signal
When the product of virtual value is less than predetermined power threshold value, enter energy-saving mode, when virtual value and the digital voltage of digital current signal
When the product of the virtual value of signal is more than or equal to predetermined power threshold value, exit energy-saving mode.
Alternatively, in described platform: the Background control that AD73360 chip is arranged on theatre is indoor；Alternating Current Power Supply turns
The Background control that exchange device is arranged on theatre is indoor；The Background control that current signal conditioning circuit is arranged on theatre is indoor；
The Background control that current transformer and sample circuit are arranged on theatre is indoor；Self adaptation recursive filtering equipment, human face region are drawn
Subset and picture smooth treatment integration of equipments are on one piece of surface-mounted integrated circuit；Wireless communication interface, is connected with AVR32 chip,
Number for wireless transmission targeted seat.
It addition, wave filter, as the term suggests, it is the device that ripple is filtered." ripple " is that a physics widely is general
Read, at electronic technology field, the value fluctuations in time that " ripple " is narrowly confined to refer in particular to describe various physical quantity
Process.The effect by various kinds of sensors of this process, is converted into the time function of voltage or electric current, the most various physical quantitys
Time waveform, or referred to as signal.Because the independent variable time is continuous value, so referred to as continuous time signal,
It is referred to as analogue signal the most habitually.
Along with the generation of digital electronic computer technology with develop rapidly, for the ease of computer to signal at
Reason, creates complete theory and the method that continuous time signal is transformed under sampling theorem instructs discrete-time signal.
It is to say, only primary signal can be expressed by original analog signal sample value on series of discrete time coordinate point and not lose
Lose any information, since the expression of these concepts of ripple, waveform, signal is the change of various physical quantitys in objective world, the most just
It it is the carrier of the various information that modern society depends on for existence.Information needs to propagate, and lean on is exactly the transmission of waveshape signal.Signal exists
Its generation, change, each link of transmitting is likely to be due to environment and the existence of interference and distorts, even quite a lot of
In the case of, this distortion is the most serious, causes signal and entrained information thereof to be embedded in the middle of noise dearly.In order to
Filter these noises, recover signal originally, need to use various wave filter to be filtered processing.
Use the alternating current voltage sampling conditioning system of the present invention, cannot be provided with for taking on the sly of performance for prior art
The technical problem of detection of electrons of effect, by using targetedly, high-precision a series of images processing equipment and image divide
The audience status of auditorium is analyzed by desorption device, is analyzed, in above-mentioned analysis also by the environment on-the-spot to performance
On the basis of, the behavior of pirates shoot person in auditorium is accurately detected and location recognition, finally takes aposematic mechanism to the person of taking on the sly
Carry out electronic reminding.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment being not used to
Limit the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit,
Technical solution of the present invention is made many possible variations and modification by the technology contents that all may utilize the disclosure above, or is revised as
Equivalent embodiments with change.Therefore, every content without departing from technical solution of the present invention, according to the technical spirit pair of the present invention
Any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the scope of technical solution of the present invention protection
In.
Claims (9)
1. an alternating current voltage sampling conditioning system, described system includes voltage sample circuit, civil power access interface and voltage
Signal conditioning circuit, civil power access interface is for receiving the Alternating Current Power Supply signal of line input, voltage sample circuit and city
A phase line, B phase line and C phase line in electric line connect, for the voltage in A phase line, B phase line and C phase line
Signal is sampled respectively, and voltage signal conditioning circuit is connected with voltage sample circuit, for sampling voltage is carried out signal tune
Reason.
2. alternating current voltage sampling conditioning system as claimed in claim 1, it is characterised in that described system includes:
Remote control equipment, is arranged on the position, roof directly over theatre stage, for being connected to receive AVR32 with AVR32 chip
The drive control signal that chip is sent, and resolve drive control signal to determine that targeted seat is numbered, based on target seat
Bit number determines remote signal；
Bass caution device, each spectators seat arranges one, plays chip including receiver of remote-control sytem, bass and plays control
System switch, receiver of remote-control sytem is used for receiving remote signal, plays to control to switch and plays chip with receiver of remote-control sytem and bass respectively
Connect, play chip to carry out bass warning operation for starting bass based on remote signal；Wherein, bass broadcasting chip includes
Speech memory, for prestoring the phonetic warning file relevant to no photographing；
Timer, the Background control being arranged on theatre is indoor, is used for providing timing signal；
Ambient brightness sensing equipment, is arranged on middle position, theatre roof, for sensing the brightest of theatre internal medium
Spend to export as real time environment brightness；
Face brightness detection equipment, the Background control being arranged on theatre is indoor, and the equipment that divides with human face region is connected to receive
The seat numbering of everyone face image and its correspondence, for the gray value of each pixel based on everyone face image
Calculate the brightness of image of everyone face image to export as real-time face brightness；
Brightness deviates from detection equipment, and the Background control being arranged on theatre is indoor, respectively with timer, ambient brightness detection equipment
Connect, for receiving real time environment brightness and receiving the real-time face of everyone face image with face brightness detection equipment
Brightness, for everyone face image, when the time that its real-time face brightness and real time environment brightness deviate from reaches to preset
Between length threshold time, using corresponding for face subimage seat numbering as targeted seat numbering output；
AVR32 chip, the Background control being arranged on theatre is indoor, deviates from detection equipment with brightness and is connected, for based on target
Seat numbering sends the drive control signal including that targeted seat is numbered；
High-definition camera, is arranged on middle position, theatre roof, for based on pre-set image acquisition rate singing in antiphonal style theater stage
Opposite carries out sequential image acquisition with continuous print high-definition image on output time；
Brightness ratio relatively equipment, is connected with high-definition camera, is used for receiving current high-definition image and former frame high-definition image, calculates and works as
The average brightness value of front high-definition image is as the first brightness value, and the average brightness value calculating former frame high-definition image is bright as second
Angle value, when the first brightness value and the second brightness value are both greater than equal to predetermined luminance threshold value, sends early warning signal of taking on the sly, will be current
High-definition image is sent to gray processing processing equipment, otherwise, sends and normally watches signal, stops current high-definition image is sent to ash
Degreeization processing equipment；
Gray processing processing equipment, is connected with brightness ratio relatively equipment, including channel parameters extraction unit, weighted value memory element and ash
Angle value computing unit, channel parameters extraction unit is connected with high-definition camera, is used for receiving current high-definition image and works as to extract
The R passage pixel value of each pixel, G passage pixel value and channel B pixel value, weighted value memory element in front high-definition image
For having prestored R channel weighting value, G channel weighting value and channel B weighted value, gray value computing unit is joined with passage respectively
Number extraction units and weighted value memory element connect, for each pixel in current high-definition image, by R passage pixel value with
The product of the product of R channel weighting value, G passage pixel value and G channel weighting value and channel B pixel value and channel B weighted value
Product addition with obtain for the gray value of pixel, and obtain based on the gray value of each pixel in current high-definition image
Obtain the gray level image that current high-definition image is corresponding；Wherein, R channel weighting value value is 0.298839, G channel weighting value value
Being 0.586811, channel B weighted value value is 0.114350；
Histogram distribution detection equipment, is connected with gray processing processing equipment, is used for receiving gray level image, and to gray level image
Carry out grey level histogram to process to obtain corresponding histogram image, when histogram image presents bimodal distribution, send the overall situation
Threshold value selects signal, otherwise, sends non-global threshold and selects signal；
Threshold value selects equipment, is connected with histogram distribution detection equipment, for when receiving global threshold and selecting signal, by complete
Office's threshold value 128 exports as threshold data, when receiving non-global threshold and selecting signal, by neighbor pixel gray difference threshold
40 export as threshold data；
Binary conversion treatment equipment, selects equipment and histogram distribution detection equipment to be connected, for receiving entirely respectively with threshold value
When office's threshold value selects signal, for each pixel in gray level image, when gray value is more than or equal to threshold data, will
For pixel be set to white level pixel, when gray value less than threshold data time, by for pixel be set to black
Level pixel point, and the binary image that output gray level image is corresponding；Binary conversion treatment equipment be additionally operable to receive non-entirely
When office's threshold value selects signal, for each pixel in gray level image, calculate vertical direction upwards apart from its 3 pixels
The gray value of the pixel of point as upper grey scale pixel value, calculates vertical direction downwards apart from the pixel of its 3 pixels
Gray value as lower grey scale pixel value, calculated level direction to the left apart from the gray value of pixel of its 3 pixels as a left side
Grey scale pixel value, calculated level direction to the right apart from the gray value of pixel of its 3 pixels as right grey scale pixel value, when
The absolute value of the difference of upper grey scale pixel value and lower grey scale pixel value is less than or equal to threshold data and left grey scale pixel value and right pixel
The absolute value of the difference of gray value less than or equal to threshold data time, by for pixel be set to white level pixel, when upper picture
The absolute value of the difference of element gray value and lower grey scale pixel value more than threshold data or left grey scale pixel value and right grey scale pixel value it
Difference absolute value more than threshold data time, by for pixel be set to black level pixel, and output gray level image pair
The binary image answered；
Picture smooth treatment equipment, is connected with binary conversion treatment equipment, is used for receiving binary image, in binary image
Each pixel, when adjacent all pixels exist the trip point of more than half, then by for pixel
Gray value retains, otherwise, by for the gray value of pixel be set to white level pixel, and it is corresponding to export binary image
Smoothed image；
Self adaptation recursive filtering equipment, is connected with image balance processing equipment, is used for receiving smoothed image, performs smoothed image
Self adaptation recursive filtering processes to obtain filtering image；
Human face region divides equipment, and the Background control being arranged on theatre is indoor, is connected to obtain with self adaptation recursive filtering equipment
Obtain filtering image, carry out filtering image with the facial contour pattern prestored mating with detection and being partitioned in filtering image
Each face subimage, for everyone face image, for its position in filtering image determine for face
The seat numbering that subimage is corresponding；Wherein, for sight corresponding to seat numbered face subimage corresponding to face subimage
The theatre seat numbering at many places；
Civil power access interface, is connected with the line of theatre position, for receiving the Alternating Current Power Supply letter of line input
Number；
Current transformer and sample circuit, be connected with the A phase line in line, B phase line and C phase line, for A phase
Current signal in circuit, B phase line and C phase line is sampled respectively；
Voltage sample circuit, is connected with the A phase line in line, B phase line and C phase line, for A phase line, B phase
Voltage signal in circuit and C phase line is sampled respectively；
Current signal conditioning circuit, is connected with current transformer and sample circuit, for sampling current is carried out signal condition；
Voltage signal conditioning circuit, is connected with voltage sample circuit, for sampling voltage is carried out signal condition；
AD73360 chip, is connected with current signal conditioning circuit and voltage signal conditioning circuit respectively, to the sampling electricity after conditioning
Sampling voltage after stream and conditioning performs 16 A/D conversions respectively, it is thus achieved that digital current signal and digital voltage signal, is additionally based upon
Digital current signal and digital voltage signal determine the virtual value of digital current signal and the virtual value of digital voltage signal；
Alternating Current Power Supply conversion equipment, is connected with the A phase line in line, B phase line and C phase line, is used for performing exchange
Electricity, to galvanic conversion, provides supply of electric power for each electrical equipment；
Wherein, the determination mode that the real-time face brightness of face subimage and real time environment brightness deviate from is as follows: when face subgraph
When the real-time face brightness of picture is more than real time environment brightness, determine real-time face brightness and the real time environment brightness of face subimage
Deviate from, when the real-time face brightness of face subimage is less than or equal to real time environment brightness, determine the real-time people of face subimage
Face brightness is non-with real time environment brightness to be deviated from；
Wherein, AVR32 chip is also connected with AD73360 chip, for virtual value based on digital current signal and digital voltage
The virtual value of signal realizes electrical management control, wherein, and effective when the virtual value of digital current signal and digital voltage signal
When the product of value is less than predetermined power threshold value, enter energy-saving mode, when virtual value and the digital voltage signal of digital current signal
Virtual value product more than or equal to predetermined power threshold value time, exit energy-saving mode.
3. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
The Background control that AD73360 chip is arranged on theatre is indoor.
4. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
The Background control that Alternating Current Power Supply conversion equipment is arranged on theatre is indoor.
5. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
The Background control that current signal conditioning circuit is arranged on theatre is indoor.
6. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
The Background control that voltage signal conditioning circuit is arranged on theatre is indoor.
7. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
The Background control that current transformer and sample circuit are arranged on theatre is indoor.
8. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that:
Self adaptation recursive filtering equipment, human face region divide equipment and picture smooth treatment integration of equipments at one piece of surface-mounted integrated circuit
On.
9. alternating current voltage sampling conditioning system as claimed in claim 2, it is characterised in that also include:
Wireless communication interface, is connected with AVR32 chip, numbers for wireless transmission targeted seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481220.XA CN106127158A (en) | 2016-06-27 | 2016-06-27 | Alternating current voltage sampling conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481220.XA CN106127158A (en) | 2016-06-27 | 2016-06-27 | Alternating current voltage sampling conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106127158A true CN106127158A (en) | 2016-11-16 |
Family
ID=57265861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610481220.XA Withdrawn CN106127158A (en) | 2016-06-27 | 2016-06-27 | Alternating current voltage sampling conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106127158A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846649A (en) * | 2019-01-08 | 2019-06-07 | 张典文 | Automedica instrument authoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257575A (en) * | 2007-02-28 | 2008-09-03 | 日本胜利株式会社 | Imaging apparatus and reproducing apparatus |
| CN101271523A (en) * | 2008-05-21 | 2008-09-24 | 北京中星微电子有限公司 | Image brightness regulation control method and device used for human face detection |
| CN105629056A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Use method of two-mode watt-hour meter |
| CN105629058A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Use method of electric energy meter for dust detection |
| CN105675979A (en) * | 2016-03-28 | 2016-06-15 | 无锡智谷锐拓技术服务有限公司 | Building staircase multifunctional electric meter |
| CN107545558A (en) * | 2016-06-27 | 2018-01-05 | 张超超 | Alternating current voltage samples conditioning system |
-
2016
- 2016-06-27 CN CN201610481220.XA patent/CN106127158A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257575A (en) * | 2007-02-28 | 2008-09-03 | 日本胜利株式会社 | Imaging apparatus and reproducing apparatus |
| CN101271523A (en) * | 2008-05-21 | 2008-09-24 | 北京中星微电子有限公司 | Image brightness regulation control method and device used for human face detection |
| CN105629056A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Use method of two-mode watt-hour meter |
| CN105629058A (en) * | 2016-03-28 | 2016-06-01 | 无锡智谷锐拓技术服务有限公司 | Use method of electric energy meter for dust detection |
| CN105675979A (en) * | 2016-03-28 | 2016-06-15 | 无锡智谷锐拓技术服务有限公司 | Building staircase multifunctional electric meter |
| CN107545558A (en) * | 2016-06-27 | 2018-01-05 | 张超超 | Alternating current voltage samples conditioning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109846649A (en) * | 2019-01-08 | 2019-06-07 | 张典文 | Automedica instrument authoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105898246A (en) | Smart home system | |
| CN105868748A (en) | Data service platform on basis of cloud processing | |
| CN106162076A (en) | Big data image gray processing processing means | |
| CN106027849A (en) | Cloud high-definition image processing platform | |
| CN105868747B (en) | Cloud computing system | |
| CN107547839A (en) | Remote control table based on graphical analysis | |
| CN105858377A (en) | Elevator safety control system | |
| CN105933676B (en) | Remote control table based on graphical analysis | |
| CN106096665A (en) | Dual pathways cloud data management platform | |
| CN105905727A (en) | Multifunctional elevator safety control method | |
| CN107545212A (en) | Binary channels cloud data management platform | |
| CN106162077A (en) | IN service based on the Internet management system | |
| CN106127158A (en) | Alternating current voltage sampling conditioning system | |
| CN106199133A (en) | Current sample processing platform | |
| CN106096578A (en) | Multifunctional lift safety control platform | |
| CN106127157A (en) | Intensive image real time transfer platform | |
| CN106998442A (en) | Intelligent domestic system | |
| CN106157260B (en) | parallel image smoothing processing platform | |
| CN105955058A (en) | Wireless intelligent household system | |
| CN107545211A (en) | High in the clouds data handling system | |
| CN106101624B (en) | Big data manages system | |
| CN107545558A (en) | Alternating current voltage samples conditioning system | |
| CN107347147B (en) | parallel image smoothing processing platform | |
| CN106204757A (en) | Smart city cloud computing parking management information system | |
| CN107257449B (en) | A kind of remote supervision system based on cloud computing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161116 |