CN206023967U - A kind of automatic body tracking recorded broadcast equipment and system - Google Patents
A kind of automatic body tracking recorded broadcast equipment and system Download PDFInfo
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- CN206023967U CN206023967U CN201621074444.0U CN201621074444U CN206023967U CN 206023967 U CN206023967 U CN 206023967U CN 201621074444 U CN201621074444 U CN 201621074444U CN 206023967 U CN206023967 U CN 206023967U
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Abstract
The utility model discloses a kind of automatic body tracks recorded broadcast equipment and system, the equipment includes：Infrared matrix sensor integrated circuit, the corresponding platform of the infrared matrix sensor integrated circuit, for the hot body infrared ray that the multiple test points using infrared matrix sensor measure different detection zones using passive type thermoelectric pile temperature difference Cleaning Principle, to carry out human detection；Information process unit, the testing result according to the infrared matrix sensor integrated circuit determine the region that human body is located, and according to the output control camera pan-tilt module for determining, to realize that human body tracking is imaged；Camera pan-tilt module, including cradle head control interface and drive circuit and camera pan-tilt, under the control of described information processing unit, realizes that human body tracking is imaged, and this utility model achieves human body and images from motion tracking and recorded broadcast.
Description
Technical field
This utility model is related to a kind of automatic body tracking recorded broadcast equipment and system, more particularly to a kind of based on Studies of Human Body Heat
Release automatic body tracking recorded broadcast equipment and the system of electric infrared sensor.
Background technology
The recording and broadcasting system used in school, training unit is needed from motion tracking teacher, speaker (hereinafter referred to as " teacher ")
Imaged in the position of platform, conventional art typically shoots platform panorama using video camera all the way, and video flowing is analyzed,
According to the other camera pan-tilt all the way of teacher's position control, realize from motion tracking teacher position, such as Guangzhou Ao Wei subelectrons section
The recording and broadcasting system of skill company limited, the recording and broadcasting system etc. of visible electronic Science and Technology Ltd. is full of in Guangzhou.This kind of technical costss ratio
Costly, need substantial amounts of video data to process, and have multiple mobile objects or educational projector picture to have change in platform
Interference is easily caused when dynamic.
At present, also there are some other enterprises using infrared reflection/area tracking is carried out to penetrating principle, i.e., install in platform
Platform point 3-5 region is carried out shooting tracking by infrared emission/reflector, and its principle is that teacher goes to certain infrared emission/instead
Emitter trigger distinguishing teacher in which region, so as to arrange camera pan-tilt alignment teacher region.This kind of method
Although simple structure, cheap, its drawback is also obvious：Its infrared emission/reflector installation requirement is higher, and
And platform can not have other objects to block which, and resolution ratio is relatively low.
In addition, current recording and broadcasting system in school's application, to popularize, needs to realize each classroom, often saves
Class can be recorded, and form a kind of normalization recorded broadcast.But current recording and broadcasting system on the market, great majority are all for school
Grading, the Classic Course recording and broadcasting system for uploading Classic Course and designing, its camera channel are excessive, multiple from motion tracking camera technique
Miscellaneous, video storage architecture is unreasonable, lacks and divides time point etc. factor of going to school and leaving school automatically, causes recording and broadcasting system cost high,
Video storage and retrieval are very loaded down with trivial details, and teacher is actually used to also fail to comprehensive automation, it is difficult to popularize.
Utility model content
For overcoming the shortcomings of that above-mentioned prior art is present, the purpose of this utility model is to provide a kind of automatic body tracking
Recorded broadcast equipment and system, the array constituted by using human body pyroelectricity infrared sensor or the integrated electricity of infrared matrix sensor
Road, detect human body infrared to determine in detection zone whether there is a human body, and testing result is amplified, Filtering Processing, will
Testing result by comparing with reference value after export to information process unit, using information process unit according to each human body pyroelectricity
The testing result of infrared sensor, realizes that human body position is detected, determines the region that human body is located, and according to the output control for determining
Camera pan-tilt module, it is achieved that human body is imaged from motion tracking and recorded broadcast.
Be up to above and other purpose, the utility model proposes a kind of automatic body tracking recorded broadcast equipment, including：
Infrared matrix sensor integrated circuit, for corresponding platform, the multiple test points using the sensor are using passive
The hot body infrared ray of the different detection zones of formula thermoelectric pile temperature difference Cleaning Principle measurement, to carry out human detection；
Information process unit, the testing result according to the infrared matrix sensor integrated circuit determine the area that human body is located
Domain, and according to the output control camera pan-tilt module for determining, to realize that human body tracking is imaged；
Camera pan-tilt module, including cradle head control interface and drive circuit and camera pan-tilt, at described information
Under the control of reason unit, realize that human body tracking is imaged.
Further, the infrared matrix sensor integrated circuit has 64 dot matrix, is installed in certain from platform
Distance, and the matrix of 8 × 8=64 is reduced to 4 × 4=16 matrixes of one detection zone in neighbouring 4 points of positions.
For reaching above-mentioned purpose, this utility model also provides a kind of automatic body tracking recorded broadcast equipment, including：
Sensor array, the array constituted using human body pyroelectricity infrared sensor are human body infrared determining to detect
Whether human body is had in detection zone；
Amplify and filter module, including multiple amplifications and filter circuit, each amplification Studies of Human Body Heat corresponding with filter circuit
Electric infrared sensor is released, the data that human body pyroelectricity infrared sensor is detected are sent into analog switch after amplification and filtering
Matrix；
Analog switch matrix, for carrying out an output to comparing to the data that multiple human body pyroelectricity infrared sensors are detected
Circuit；
Comparison circuit, after being compared the output of the analog switch matrix and a reference value, sends at information
Reason unit；
Information process unit, is detected with realizing human body position to the output analyzing and processing of comparison circuit, determines that human body is located
Region, and according to determine output control camera pan-tilt module, with realize human body tracking image；
Camera pan-tilt module, including cradle head control interface and drive circuit and camera pan-tilt, at described information
Under the control of reason unit, realize that human body tracking is imaged.
Further, the array of the human body pyroelectricity infrared sensor composition is arranged at dais, each human body heat-releasing
One detection zone at the corresponding dais of electric infrared sensor.
Further, the sensor array interval is isolated using the division board feasible region of human body infrared wavelength period.
For reaching above-mentioned purpose, this utility model also provides a kind of automatic body tracking recording and broadcasting system, including：
Recorded broadcast equipment, the array constituted using human body pyroelectricity infrared sensor or infrared matrix sensor integrated circuit reality
The tracing detection of existing human region, and human body tracking shooting is carried out according to tracing detection output control camera pan-tilt；
Video capture device, for gather under the control of distributed multimedia central control module the recorded broadcast equipment with
The video information that track shoots；
Distributed multimedia central control module, by tying the human body pyroelectricity infrared sensor in the recorded broadcast equipment
Close local unlatching equipment or remote server forms coordinated signals, to realize the collection and perfect record of going to school and leaving school that control video
System point insertion signal.
Further, this locally opens equipment includes IC/ID cards, digital microphone transmitter, mobile phone etc. and teacher
The related equipment of identity.
Further, the recording and broadcasting system also includes central authorities and distributed memory, the central authorities and distributed memory
Including cloud distributed storage and searching system, for the video information of video capture device collection described in distributed storage, and carry
For a retrieval/live/multicast function.
Compared with prior art, a kind of automatic body tracking recorded broadcast equipment of this utility model and system, by using human body
The array or infrared matrix sensor integrated circuit of pyroelectric infrared sensor composition, detects human body infrared determining detection zone
Whether have human body in domain, and testing result is amplified, Filtering Processing, by testing result by comparing with reference value after export
To information process unit, using information process unit according to the testing result of each human body pyroelectricity infrared sensor, human body is realized
Position detection, determines the region that human body is located, and according to the output control camera pan-tilt module for determining, it is achieved that human body is automatic
Tracking shooting and recorded broadcast.
Description of the drawings
Fig. 1 is a kind of system architecture diagram of the first preferred embodiment of automatic body tracking recorded broadcast equipment of this utility model；
Fig. 2 is human body pyroelectricity infrared array sensor schematic diagram in this utility model preferred embodiment；
Fig. 3 is a kind of system architecture diagram of the second preferred embodiment of automatic body tracking recorded broadcast equipment of this utility model；
Fig. 4 is the fundamental diagram in this utility model preferred embodiment using infrared matrix sensor integrated circuit；
Fig. 5 is the system architecture diagram that a kind of automatic body of this utility model tracks recording and broadcasting system；
Fig. 6 is a kind of configuration diagram of the preferred embodiment of automatic body tracking recording and broadcasting system of this utility model；
Fig. 7 is the topological diagram in this utility model preferred embodiment using distributed storage (mode one)；
Fig. 8 is the topological diagram in this utility model preferred embodiment using distributed storage (mode two)；
The step of Fig. 9 is a kind of automatic body tracking recording broadcasting method of this utility model flow chart.
Specific embodiment
Below by way of specific instantiation and embodiment of the present utility model, people in the art is described with reference to the drawings
Member can understand further advantage of the present utility model and effect easily by content disclosed in the present specification.This utility model also may be used
Implemented by other different instantiations or applied, the every details in this specification also can be based on different viewpoints and be answered
With, without departing substantially from of the present utility model spirit under carry out various modification with change.
Fig. 1 is a kind of system architecture diagram of the first preferred embodiment of automatic body tracking recorded broadcast equipment of this utility model.
As shown in figure 1, a kind of automatic body of this utility model tracks recorded broadcast equipment, including：Sensor array 101, amplification and filtering mould
Group 102, analog switch matrix 103, comparison circuit 104, information process unit 105 and camera pan-tilt module 106.
Wherein, sensor array 101, the array constituted using human body pyroelectricity infrared sensor, the human body pyroelectricity are red
The array of outer sensor composition is arranged at dais at (such as top), and the one of the corresponding dais of each human body pyroelectricity infrared sensor
Detection zone, with detect human body infrared whether have in the detection zone human body to determine, and testing result is sent to amplification
And filter module 102；Amplify and filter module 102 includes multiple amplifications and filter circuit, each amplification is corresponding with filter circuit
One human body pyroelectricity infrared sensor, the data that human body pyroelectricity infrared sensor is detected are sent into after amplification and filtering
Analog switch matrix 103；Analog switch matrix 103 is used for selecting the data that multiple human body pyroelectricity infrared sensors are detected
An output is selected to comparison circuit 104, analog switch matrix 103 enters one for N and goes out switch matrix in this utility model；Comparison circuit
After 104 are used for being compared the output of analog switch matrix 103 and a reference voltage, information process unit 105 is sent into；Information
According to the output of comparison circuit 104, processing unit 105 realizes that human body position is detected, determine the region that human body is located, and according to true
Fixed output control camera pan-tilt module 106, to realize that human body tracking is imaged；Camera pan-tilt module 106, including head control
Interface processed and drive circuit and camera pan-tilt, its carry out human body tracking shooting under the control of information process unit 105.
Certainly it is normal work, the automatic body of this utility model tracks recorded broadcast equipment also includes power supply and some circumferential perimeter circuits,
As power supply and circumferential perimeter circuit are custom circuit, will not be described here.
In this utility model preferred embodiment, by taking 2 meters of platforms for being multiplied by 8 meters as an example, sensor array 101 takes advantage of 4 using 3
Matrix, i.e., 12 human body pyroelectricity infrared sensors form 3 matrixes for taking advantage of 4, as shown in Fig. 2 infrared array sensor be 3 ×
4 matrix corresponding 2 × 8 meters of platforms, i.e. each human body pyroelectricity infrared sensor detection range need to be controlled in 0.5 × 4 meter of region,
In figure, the circle of rectangular centre represents human body pyroelectricity infrared sensor, human body infrared determining its detection range for detecting
Inside whether there is human body.
Illustrate that this utility model carries out human region detection using human body pyroelectricity infrared sensor below in conjunction with Fig. 2
Principle：Sensor array according to Fig. 2, from top to bottom, left-to-right sensor number is that S1-S8 (illustrate by each circle
For sensor).Assume that next adjacent domain position S1 or S2, in S5, are gone to from any random direction in original state position teacher position
Or S3 or S4 or S6 or S7 or S8 or S9.As sensor can not accomplish that accurate edges of regions is distinguished, because
There is overlay region at this edge, in the present embodiment for：
Overlapping region U1:(S5,S1)；(S5,S2)；(S5,S3)；(S5,S4)；(S5,S6)；(S5, S7)；(S5, S8)；
(S5, S9).
It could also be possible that overlapping region U2：(S5, S1, S2)；(S5, S1, S3)；(S5, S1, S4)；(S5, S2, S3)；(S5,
S2, S4)；(S5, S2, S6)；(S5, S3, S6)；(S5, S4, S7)；(S5, S4, S8)；(S5, S6, S8)；(S5, S6, S9)；(S5,
S7, S8)；(S5, S8, S9).
It could also be possible that overlapping region U3：(S5, S1, S2, S4)；(S5, S2, S3, S6)；(S5, S4, S7, S8)；(S5,
S6, S8, S9).
Above bracket inner region Field Number detects human infrared signal for this area sensor.
During teacher moves overlapping region be which combination be to be detected by the mobile route of teacher, sensor region
Precision and sensor detection time determine.From U1-U3, the quantity of the number of overlapping region by current region adjacent region
Determine.For this regions of S5, adjacent domain position 8, the nine grids for oneself forming a standard are added, is most complicated one kind
Situation.For region S1, S2, S4, S5, when detection next time time domain is：
S1 is then positioned at S1 regional centers；
S2 is then positioned at S2 regional centers；
S3 is then positioned at S3 regional centers；
S4 is then positioned at S4 regional centers；
(S5, S1) is then positioned at S5 and S1 point of interfaces, i.e., dotted rectangle center in upper figure；
(S5, S2) is then positioned at S5 and S2 boundary lines midpoint, i.e., dotted line diamond center in upper figure；
(S5, S4) is then and (S5, S2) is similar, i.e., broken line triangle frame center in upper figure；
(S5, S1, S2) is then and (S5, S1) situation is identical；
(S5, S1, S4) is then and (S5, S1) situation is identical；
(S5, S1, S2, S4) is then and (S5, S1) situation is identical；
The situation in other regions is consistent with above-mentioned situation, will not be described here, and information process unit 105 then can be according to above-mentioned
Scheme realizes that human body position is detected, determines the region that human body is located, and then realizes the human body tracking shooting of infrared matrix positioning.
In the first preferred embodiment of this utility model, it is infrared that sensor array 101 uses single human body pyroelectricity
Sensor combinations are formed, and be spaced using human body infrared wavelength period division board feasible region isolate, but this utility model not with
This is limited, and sensor array 101 may also be employed infrared matrix sensor integrated circuit and realize, such as MAT
The infrared matrixes of AMG88xx series Infrared Array Sensor " Grid-EYE " of (PANASONIC CORPORATION) are passed
Using infrared matrix sensor integrated circuit, sensor, it is described below how realize that human body is imaged from motion tracking：
Fig. 3 is a kind of structural representation of the second preferred embodiment of automatic body tracking recorded broadcast equipment of this utility model.
As shown in figure 3, a kind of automatic body human body tracking recorded broadcast equipment of this utility model includes：Infrared matrix sensor integrated circuit
301st, information process unit 302 and camera pan-tilt module 303, wherein information process unit 302 and camera pan-tilt mould
Group 303 is identical with the first preferred embodiment, will not be described here, and from unlike the first preferred embodiment, the present embodiment is adopted
Realize that human body is imaged from motion tracking with infrared matrix sensor integrated circuit 301.Correspond to the first preferred embodiment, infrared matrix
The integrated amplification filtering of sensor IC itself, analog switch matrix and comparison circuit, can adopt such as PANASONIC public
The infrared matrixes of AMG88xx series Infrared Array Sensor " Grid-EYE " of department (PANASONIC CORPORATION)
Using infrared matrix sensor integrated circuit, sensor, it is described below how realize that human body is imaged from motion tracking：
AMG88xx series is PANASONIC infrared array sensor, and which adopts passive type thermoelectric pile temperature difference Cleaning Principle
Hot body infrared ray is measured, housing has non-human infrared band filter lens, strong antijamming capability.Its operation principle is as shown in Figure 4.
As device density is higher, passive type thermoelectric pile temperature difference Cleaning Principle is used, if simple design according to device
What by its 64 dot matrix, each corresponding platform can cause drafting is teacher's human body temperature pattern, increases tracking difficult
Degree.It is therefore desirable to by sensor installed in the distant place with a certain distance from platform, increase the physical region of monitoring point control, and
Several test points are considered as a region.Such as 8 × 8=64 matrixes are reduced to 4 × 4=16 squares in neighbouring 4 points of positions, one region
As the sensor array that the standalone sensor of battle array, its tracing positional algorithm and Fig. 1 is constituted.The test point of AMG88xx series can
Not split by equal proportion, for example, the right and left two can be arranged, upper and lower 3,3,2 are divided into three row, are formed and Fig. 1 standalone sensors
The consistent matrix distribution figure of array
In addition, the temperature difference detection technique of AMG88xx series can provide each monitoring point provides 12bit temperature resolutions
(wherein one bit of sign bit), it is possible to judge teacher position on platform using highest temperature region, big without doing
Physical region subregion and zoom out install sensor.
Fig. 5 is the system architecture diagram that a kind of automatic body of this utility model tracks recording and broadcasting system.As shown in figure 5, this practicality
A kind of new automatic body tracks recording and broadcasting system, including：Recorded broadcast equipment 501, video capture device 502 and distributed multimedia
Central control module 503.
Wherein, recorded broadcast equipment 501 is using the battle array being made up of human body pyroelectricity infrared sensor being arranged at corresponding dais
Row or infrared matrix sensor integrated circuit realize the tracing detection of human region, and control camera pan-tilt and carry out human body tracking
Shooting；Video capture device 502, for collection recorded broadcast equipment 501 under the control of distributed multimedia central control module 503
The video information of track up, in this utility model preferred embodiment, in each classroom, i.e., video capture device 502 is arranged at
One, each classroom video capture device；Distributed multimedia central control module 503, by by the people in recorded broadcast equipment 501
Body induction apparatuss (i.e. human body pyroelectricity infrared inductor) combine local unlatching equipment or remote server forms coordinated signals, with reality
The now collection of control video and perfect recording point insertion signal (certain mark) of going to school and leaving school, for example, be used for the start-stop of teachers' instruction
Automatization's typing of point mark, it is to avoid current recording and broadcasting system needs teacher oneself to process course to record a video the situation of terminal.This
In utility model preferred embodiment, local unlatching equipment can for IC/ID cards, digital microphone transmitter, mobile phone etc. with give lessons always
The related equipment of teacher's identity, 503 automatic decision of distributed multimedia central control module go to school and leave school recording time insertion point by with
Lower condition is carried out：
(1) equipment be in off working state, teacher swipe the card (detecting human body now by human inductor) then open
Open to record a video and insert and mark is attended class while opening educational technology equipment, that is to say, that when recorded broadcast equipment is detected by human inductor
Human body is arrived, and when receiving the trigger that swipes the card, then recorded broadcast opening of device is recorded a video, and insert mark of attending class.
(2) equipment is in off working state, and teacher opens the digital microphone transmitter that carries with and matches peace
The corresponding receiver in classroom is mounted in, then open to record a video and insert and mark is attended class while opening educational technology equipment.That is, when record
Broadcast equipment and human body is detected by human inductor, and when receiving the trigger of digital microphone, then recorded broadcast opening of device
Recorded a video, and inserted mark of attending class
(3) equipment is in off working state, and teacher starts this system mobile phone APP, near mobile phone past near-field control panel
After authentication passes through, open command is sent, then open to record a video and insert and mark is attended class while opening educational technology equipment.Namely
Say, when recorded broadcast equipment detects human body by human inductor, and when receiving triggering and the authentication information of mobile phone A PP, then record
Broadcast opening of device to be recorded a video, and insert mark of attending class
(4) equipment is in off working state, and remote server presses schedule aranging time advance open system, then open video recording simultaneously
And mark of attending class is inserted while opening educational technology equipment.That is, when recorded broadcast equipment receives the trigger of remote server
When, then recorded broadcast opening of device is recorded a video, and inserts mark of attending class
(5) equipment is in off working state, and manager is then opened and recorded a video and inserted by remote server open system
Mark attend class while opening educational technology equipment.That is, when recorded broadcast equipment receives the control signal of remote server, then recording
Broadcast opening of device to be recorded a video, and insert mark of attending class.
(6) equipment is in running order, and teacher swipes the card, and closing is recorded a video and inserts mark after class and simultaneously closes off electricity
Religion equipment.When recorded broadcast equipment receives the trigger that swipes the card, and when detecting human body by human inductor, then recorded broadcast equipment
Video recording is closed, and is inserted and is indicated after class.
(7) equipment is in running order, and teacher starts this system mobile phone APP, near mobile phone past near-field control panel body
After part certification passes through, shutdown command is sent, then closing is recorded a video and inserts mark after class and simultaneously closes off educational technology equipment.When recorded broadcast sets
Standby triggering and the authentication information for receiving mobile phone A PP, and when detecting human body by human inductor, then recorded broadcast equipment closes record
Picture, and insert and indicate after class.
(8) equipment is in running order, and remote server closes system by schedule aranging time lag, then close video recording and
Mark simultaneously closes off educational technology equipment after class for insertion.When recorded broadcast equipment receives the trigger of remote server, then recorded broadcast sets
Standby close video recording, and insert and indicate after class.
(9) equipment is in running order, and manager closes system by remote server, then close and record a video and insert down
Class mark simultaneously closes off educational technology equipment.When recorded broadcast equipment receives the control signal of remote server, then recorded broadcast equipment is closed
Video recording, and insert and indicate after class.
(10) equipment is in running order, if detecting platform and student region, i.e., whole classroom nobody then close
Record a video and insert mark after class and simultaneously close off educational technology equipment.When recorded broadcast equipment detects whole classroom all by human inductor
Nobody, then recorded broadcast equipment close video recording, and insert and indicate after class.
Fig. 6 is a kind of configuration diagram of the preferred embodiment of automatic body tracking recording and broadcasting system of this utility model.Wherein,
Recorded broadcast equipment 501, video capture device 502 and distributed multimedia central control module 503 are identical with Fig. 5, and here is refused
Repeat, the automatic body of this utility model tracking recording and broadcasting system also comprising central authorities and distributed memory 504, the central authorities and point
Cloth memorizer 504, can adopt certain group classroom to concentrate deployment, such as one teaching building to dispose one, and which includes that cloud is distributed and deposits
Storage and searching system, for storing the video information of the collection of video capture device 502, and can provide the work(such as retrieval/live/program request
Energy.In this utility model preferred embodiment, central authorities and distributed memory 504 store school using cloud distributed storage framework
Video of each classroom per class, and preserve at least 1 year, to realize that teachers' instruction is evaluated and tested per year.
In one embodiment of this utility model, video capture device 502 can adopt locally stored, the i.e. video in each classroom
Collecting device main frame carries local storage function.The hours of instruction section video of one day is stored in locally, at night or its
Its free time, the video capture device main frame in each classroom are controlled by server scheduling, upload local video in batches to central authorities
And distributed memory, it is to avoid network congestion, as shown in Figure 7.
In another embodiment of this utility model, classroom can be grouped, per group of one Local-distributed memorizer of setting,
The video information of collection is first uploaded to Local-distributed memorizer by video capture device 502, is then uploaded to central authorities again and is divided
Cloth memorizer, as shown in Figure 8.
The step of Fig. 9 is a kind of automatic body tracking recording broadcasting method of this utility model flow chart.As shown in figure 9, this practicality
A kind of new automatic body tracking recording broadcasting method, comprises the steps：
Step 901, the array constituted using human body pyroelectricity infrared sensor or infrared matrix sensor integrated circuit, inspection
Survey human body infrared with determine detection zone in whether have human body.The array or infrared square of human body pyroelectricity infrared sensor composition
Array sensor integrated circuit may be disposed at place, each human body pyroelectricity infrared sensor or infrared matrix sensor collection at the top of dais
A detection zone into the corresponding dais of electric circuit inspection point packet.
Step 902, is amplified to testing result, Filtering Processing, and exports to information after which is compared with a reference value
Processing unit.
Step 903, information process unit is according to each human body pyroelectricity infrared sensor or the integrated electricity of infrared matrix sensor
The testing result on road, realizes that human body position is detected, determines the region that human body is located, and according to the output control video camera cloud for determining
Platform module, to realize that human body tracking is imaged.Specifically, if only having some human body pyroelectricity infrared sensor to detect people
Body, it is determined that the region that human body is located is the center of the corresponding detection zone of human body pyroelectricity infrared sensor, if there is two
Or plural human body pyroelectricity infrared sensor detects human body, it is determined that the region that human body is located is those human body heat-releasings
The overlapping region of the corresponding detection zone of electric infrared sensor, specifically, if the common side of detection zone, it is determined that the region that human body is located
For the midpoint on common side, if detection zone summit altogether, it is determined that the region that human body is located is apex altogether, if detection zone had both been total to side
Again summit altogether, it is determined that the region that human body is located is apex altogether.
It is preferred that after step 903, also comprising the steps：
Video acquisition is carried out using video capture device to tracking shooting, obtain video information；
Video information is carried out the storage of locally stored or high in the clouds.
Preferably, the automatic body tracking recording broadcasting method of this utility model also comprises the steps：
The human inductor (i.e. human body pyroelectricity infrared inductor) of recorded broadcast equipment is combined local unlatching equipment or long-range
Server forms coordinated signals, to realize controlling the collection of video and perfect recording point insertion signal (certain mark of going to school and leaving school
Will), for example it is used for automatization's typing of the terminal mark of teachers' instruction, it is to avoid current recording and broadcasting system needs at teacher oneself
The situation of reason course video recording terminal.In this utility model preferred embodiment, local equipment of opening can be RF IC/ID cards, numeral
The equipment related to teacher's identity such as microphone transmitters, mobile phone.
In sum, a kind of automatic body tracking recorded broadcast equipment of this utility model and system, by using human body pyroelectricity
The array or infrared matrix sensor integrated circuit of infrared sensor composition, detection is human body infrared to determine in detection zone to be
No have a human body, and testing result is amplified, Filtering Processing, by testing result by comparing with reference value after export to information
Processing unit, using information process unit according to the testing result of each human body pyroelectricity infrared sensor, realizes that human body position is examined
Survey, determine the region that human body is located, and according to the output control camera pan-tilt module for determining, it is achieved that human body is taken the photograph from motion tracking
Picture and recorded broadcast.
Compared with prior art, this utility model has the advantage that：
1st, this utility model and prior art differ primarily in that existing method either image trace technology or red
Outward to penetrating/reflecting, all have no idea to realize non-human movement and caused erroneous judgement, this utility model tracks skill using human body infrared
Art is then directed to the infrared ray of the 8-10 micron wave lengths of human body radiation and is detected, can accurately judge human motion.
2nd, this utility model adopts distributed storage architecture, and substantial amounts of video data placement is stored, video recording is may be provided at
When do not upload to reduce network bandwidth pressure, on one's own time section Automatic dispatching by batch upload, fill part and utilize dormant network
Bandwidth；
3rd, recording and broadcasting system of the present utility model is also digital microphone, RF IC/ID card systems, mobile phone past near-field control panel
And the course schedule aranging of background server etc. and recording and broadcasting system form coordinated signals, perfect recording point insertion of going to school and leaving school is realized
Signal, the system automatic decision of making are gone to school and left school and recording time voluntarily insert flag bit, and automatically retrieval teacher's identity information is real
Show full-automatic video recording, solve the industry difficult problem that school's normalization recorded broadcast must be solved.Advance significantly normalization recorded broadcast to exist
The schedule of school's popularization and application.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any those skilled in the art can be repaiied to above-described embodiment without prejudice under spirit and the scope of the present utility model
Decorations and change.Therefore, rights protection scope of the present utility model, should be as listed by claims.
Claims (8)
1. a kind of automatic body tracks recorded broadcast equipment, including：
Infrared matrix sensor integrated circuit, the corresponding platform of the infrared matrix sensor integrated circuit, for utilizing infrared square
Multiple test points of array sensor measure the hot body infrared ray of different detection zones using passive type thermoelectric pile temperature difference Cleaning Principle,
To carry out human detection；
Information process unit, the testing result according to the infrared matrix sensor integrated circuit determine the region that human body is located,
And according to the output control camera pan-tilt module for determining, to realize that human body tracking is imaged；
Camera pan-tilt module, including cradle head control interface and drive circuit and camera pan-tilt, single in described information process
Under the control of unit, realize that human body tracking is imaged.
2. a kind of automatic body tracks recorded broadcast equipment as claimed in claim 1, it is characterised in that：The infrared matrix sensor
Integrated circuit has 64 dot matrix, is installed in a certain distance from platform, and the matrix of 8 × 8=64 is reduced to neighbouring 4 points
4 × 4=16 matrixes of one detection zone in position.
3. a kind of automatic body tracks recorded broadcast equipment, including：
Sensor array, the array constituted using human body pyroelectricity infrared sensor are human body infrared determining detection to detect
Whether human body is had in region；
Amplify and filter module, including multiple amplifications and filter circuit, each amplification human body pyroelectricity corresponding with filter circuit
The data that human body pyroelectricity infrared sensor is detected are sent into analog switch square after amplification and filtering by infrared sensor
Battle array；
Analog switch matrix, electric to comparison for the data that multiple human body pyroelectricity infrared sensors are detected are carried out with an output
Road；
Comparison circuit, after being compared the output of the analog switch matrix and a reference value, sends into information processing list
Unit；
Information process unit, is detected with realizing human body position to the output analyzing and processing of comparison circuit, determines the area that human body is located
Domain, and according to the output control camera pan-tilt module for determining, to realize that human body tracking is imaged；
Camera pan-tilt module, including cradle head control interface and drive circuit and camera pan-tilt, single in described information process
Under the control of unit, realize that human body tracking is imaged.
4. a kind of automatic body tracks recorded broadcast equipment as claimed in claim 3, it is characterised in that：The human body pyroelectricity is infrared
Sensor group into array be arranged at dais, a detection zone at the corresponding dais of each human body pyroelectricity infrared sensor.
5. a kind of automatic body tracks recorded broadcast equipment as claimed in claim 3, it is characterised in that：The sensor array interval
Isolated using the division board feasible region of human body infrared wavelength period.
6. a kind of automatic body tracks recording and broadcasting system, including：
Recorded broadcast equipment, the array or infrared matrix sensor integrated circuit constituted using human body pyroelectricity infrared sensor realize people
The tracing detection of body region, and human body tracking shooting is carried out according to tracing detection output control camera pan-tilt；
Video capture device, claps for gathering the recorded broadcast equipment tracking under the control of distributed multimedia central control module
The video information that takes the photograph；
Distributed multimedia central control module, by combining this by the human body pyroelectricity infrared sensor in the recorded broadcast equipment
Equipment is opened on ground or remote server forms coordinated signals, to realize controlling the collection of video and perfect recording point of going to school and leaving school
Insertion signal.
7. a kind of automatic body tracks recording and broadcasting system as claimed in claim 6, it is characterised in that：The local unlatching equipment includes
The equipment related to teacher's identity such as IC/ID cards, digital microphone transmitter, mobile phone.
8. a kind of automatic body tracks recording and broadcasting system as claimed in claim 6, it is characterised in that：The recording and broadcasting system also includes
Central authorities and distributed memory, the central authorities and distributed memory include cloud distributed storage and searching system, for being distributed
Formula stores the video information of the video capture device collection, and provides retrieval/live/multicast function.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231223A (en) * | 2016-09-22 | 2016-12-14 | 广州东文信息科技有限公司 | A kind of automatic body follows the tracks of recorded broadcast equipment, system and method |
| CN107919085A (en) * | 2017-12-25 | 2018-04-17 | 河南新汉普影视技术有限公司 | A kind of intelligent virtual conference system |
| CN112702529A (en) * | 2020-12-29 | 2021-04-23 | 杭州海康机器人技术有限公司 | Pan-tilt camera configuration method and device, readable storage medium and electronic equipment |
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2016
- 2016-09-22 CN CN201621074444.0U patent/CN206023967U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231223A (en) * | 2016-09-22 | 2016-12-14 | 广州东文信息科技有限公司 | A kind of automatic body follows the tracks of recorded broadcast equipment, system and method |
| CN107919085A (en) * | 2017-12-25 | 2018-04-17 | 河南新汉普影视技术有限公司 | A kind of intelligent virtual conference system |
| CN112702529A (en) * | 2020-12-29 | 2021-04-23 | 杭州海康机器人技术有限公司 | Pan-tilt camera configuration method and device, readable storage medium and electronic equipment |
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