CN208609114U - A kind of real-time stream of people's statistics terminal - Google Patents
A kind of real-time stream of people's statistics terminal Download PDFInfo
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- CN208609114U CN208609114U CN201821470358.0U CN201821470358U CN208609114U CN 208609114 U CN208609114 U CN 208609114U CN 201821470358 U CN201821470358 U CN 201821470358U CN 208609114 U CN208609114 U CN 208609114U
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Abstract
The utility model discloses a kind of real-time stream of people's statistics terminal, the statistics terminal includes development board and camera model, BCM2837 central processing unit is embedded in the development board, camera serial line interface and USB interface are additionally provided in development board, the camera model establishes connection by camera serial line interface or USB interface with the BCM2837 central processing unit；The BCM2837 central processing unit is also connected with crystal oscillator, WatchDog Timer and random access memory.The crystal oscillator uses 19.2MHz crystal oscillator；The WatchDog Timer is integrated with SP706 watchdog chip；The random access memory uses LPDDR2.The utility model is cheap, easy for installation, equipment is stable, strong applicability, has precision high, easily operated based on OpenCV, statistical accuracy is high, and error is small.
Description
Technical field
The utility model relates to monitoring device technical fields, and in particular to a kind of real-time stream of people's statistics terminal.
Background technique
With the rapid economic development in our country, various indoor larges are built, place of going shopping and resting is more and more, crowd activity
Also more and more frequently, crowd activity is monitored in large-scale interior architecture to guarantee that the safety of crowd, assessment are built interior basis and set
It applies and whether meets customer demand, reasonable distribution dispatches common system resource, prevents in advance by the excessive caused thing that happens suddenly of flow of the people
Therefore wait, become major issue in the urgent need to address.The inefficient entrance demographic method of tradition has been unable to meet modern letter
The demand of breathization, so the automation and intelligence of passenger number statistical system seem particularly significant.
The people flow rate statistical real time monitoring of early stage also rests on lower level, and many businessmans continue to use artificial counting
Method, spot-check the flow of the people of a certain time point, also has part businessman to introduce based on infrared technique and gravity sensing side
The passenger flow statistical system of formula, but this system can only also accomplish " number calculating ", can not deeply carry out the information analysis of the stream of people, deposit
It is limited to high concurrent situation processing capacity in certain error, it is difficult to better meet the demand of commercial user.Not with technology
Disconnected development, starts to show up prominently using the video people stream volume statistic system of Video Analysis Technology, it is because of its superior performance, accurate
Statistical result, the simple installation characteristics such as implementation and cheap cost, just gradually adopted by shopping places such as markets
It uses.Traditional technical solution fallout ratio while reducing false detection rate can rise, the requirement of existing hardware performance with it is highly integrated
There are contradictions for low volume, can only obtain relatively reliable solution by accepting or rejecting.
Utility model content
A kind of real-time stream of people of being designed to provide of the utility model embodiment counts terminal, cheap, easy for installation,
Equipment stabilization, strong applicability.
To achieve the above object, the utility model embodiment provides a kind of real-time stream of people's statistics terminal, the statistics terminal
Including development board and camera model, it is embedded with BCM2837 central processing unit in the development board, in development board
It is additionally provided with camera serial line interface and USB interface, the camera model and the BCM2837 central processing unit pass through camera serial interface
Mouth or USB interface establish connection；The BCM2837 central processing unit be also connected with crystal oscillator, WatchDog Timer and with
Machine memory.
The preferred embodiment of terminal is counted as the real-time stream of people, the crystal oscillator uses 19.2MHz crystal oscillator；It is described to guard the gate
Dog timer is integrated with SP706 watchdog chip；The random access memory uses LPDDR2.
The preferred embodiment of terminal is counted as the real-time stream of people, the BCM2837 central processing unit is connected with audio output
Mouthful, the audio output port uses the angle 3.5mm4 audio output port.
The preferred embodiment of terminal is counted as the real-time stream of people, the BCM2837 central processing unit is connected with serial communication and connects
Mouthful, serial communication interface uses RS232.
The preferred embodiment of terminal is counted as the real-time stream of people, the BCM2837 central processing unit is connected with lan interfaces,
The lan interfaces use the port RJ45.
The preferred embodiment of terminal is counted as the real-time stream of people, the BCM2837 central processing unit is connected with power management core
Piece, the power management chip use SD6834 straight cutting DIP8 foot.
The preferred embodiment of terminal is counted as the real-time stream of people, the BCM2837 central processing unit is connected with wireless management core
Piece, the wireless management chip use Botong BCM43438.
The preferred embodiment of terminal is counted as the real-time stream of people, the camera model is configured with camera, and camera uses
OV2640 camera.
The utility model embodiment has the advantages that cheap, easy for installation, equipment is stable, strong applicability, is based on
OpenCV has precision high, easily operated, and statistical accuracy is high, and error is small.
Detailed description of the invention
Fig. 1 is that the real-time stream of people provided by the embodiment of the utility model counts terminal structure schematic diagram；
Fig. 2 is that the real-time stream of people provided by the embodiment of the utility model counts the integrated algorithm flow chart of terminal；
Fig. 3 is that the real-time stream of people provided by the embodiment of the utility model counts terminal schematic illustration.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Need to further elucidate is in the present embodiment:
BCM2837 is a kind of 3 generation of raspberry pie chip, and BCM is writing a Chinese character in simplified form for Broadcom Corporation (company, Botong)；
USB is the abbreviation of English Universal Serial Bus (universal serial bus), is an external bus standard,
For being connected and communicate with for specification computer and external equipment；
SP706 is the low-power consumption of former Sipex company release, highly reliable, low price MCU reset control chip, and SP is
Sipex's writes a Chinese character in simplified form；
LPDDR is writing a Chinese character in simplified form for Low Power Double Data Rate, is JEDEC solid state technology association, the U.S. (JEDEC
Solid State Technology Association) communication standard formulated towards low-power consumption RAM, with low-power consumption and
Small size is famous, dedicated for mobile electronic product；
DIP is the abbreviation of dual inline-pin package, is also dual-inline package technology, it is double enter line encapsulation,
A kind of component encapsulation form of DRAM；
HIP6301, IS6537, RT9237, ADP3168, KA7500, TL494 are current version.
Referring to figure 1, figure 2 and figure 3, a kind of real-time stream of people counts terminal, and the statistics terminal includes development board 1 and phase
Machine module 2 is embedded with BCM2837 central processing unit 5 in the development board 1, and it is serial to be additionally provided with camera in development board 1
Interface 3 and USB interface 4, the camera model 2 are connect with the BCM2837 central processing unit 5 by camera serial line interface 3 or USB
Mouth 4 establishes connection；The BCM2837 central processing unit 5 is also connected with crystal oscillator 6, WatchDog Timer 7 and random storage
Device 8.
The real-time stream of people counts in one embodiment of terminal, and the crystal oscillator 6 uses 19.2MHz crystal oscillator；Crystal shake
Swinging device 6 is resonating device, and it is to cut thin slice (letter by certain azimuth from one piece of quartz crystal that crystal oscillator 6 is constituted substantially
Referred to as chip, it can be square, rectangle or circle etc.), silver layer is applied on its two corresponding surfaces as electrode, every
It can be system along with package casing constitutes quartz-crystal resonator as soon as respectively welding a lead on a electrode to be connected on pin
It counts terminal and generates clock signal and reference signal.
WatchDog Timer 7 is integrated with SP706 watchdog chip；Watch Dog Timer 7 is for preventing statistics terminal journey
Sequence, which malfunctions, causes the timers of heavy losses, and the principle of mistake proofing is a timer, will allow centre when it is overflowed
Reason 5 forced resetting of device makes program restart to execute.It cannot be allowed to overflow in normal situation, thus in program every
A period of time will set a sub-value (be commonly called as feed dog) to him, if in program bio-occlusion it feed him and would not overflow.
The random access memory 8 uses LPDDR2.Random access memory 8 is directly to exchange number with BCM2837 central processing unit 5
According to internal storage, can read and write at any time, and speed is quickly, usually as operating system or other be currently running in journey
The ephemeral data storaging medium of sequence.Random access memory 8 is by address decoder, storage matrix and read-write control circuit three parts group
At storage matrix is arranged by trigger, and each trigger can store a data (0 or 1).Usually by each group of storage list
It is an address that member, which is compiled, stores one " word "；The digit of each word is equal to the number of this group of unit.The appearance of random access memory 8
Amount is indicated with " number of words × digit ".The address code of each input is translated into high (or low) level signal by address decoder, from depositing
One group of unit is chosen in storage matrix, is allowed to connect with read-write control circuit.Under the cooperation of read-write control signal, data are read
Or write-in.
The real-time stream of people counts in one embodiment of terminal, and the BCM2837 central processing unit 5 is connected with audio output
Mouth 9, the audio output port 9 use the angle 3.5mm4 audio output port.Audio output port 9 is connect for counting terminal by this
The source code of port transmission high quality audio exports.
The real-time stream of people counts in one embodiment of terminal, and the BCM2837 central processing unit 5 is connected with serial communication and connects
Mouth 10, serial communication interface 10 use RS232, and serial communication interface 10 is the expansion interface using serial communication mode, data
One ground sequence transmits, and reduces costs, is suitable for telecommunication.
BCM2837 central processing unit 5 is connected with lan interfaces 11, and the lan interfaces 11 use the port RJ45,
The port RJ45 consists of a plug and a socket, and the connector of both components composition is connected between conducting wire, to realize conducting wire
Electrical continuity.The core of the port RJ45 is modular jack, can be maintained and module using gold-plated conducting wire or socket aperture
Stablize and reliable electric appliance connection between the socket elastic slice of change.Due to the rubbing action between elastic slice and jack, it is in electrical contact with plug
Insertion and be further strengthened.Jack body design uses integral locking mechanism to insert in this way when modular plug is inserted into
It can produce maximum pull strength outside the interface of head and jack.
The real-time stream of people counts in one embodiment of terminal, and the BCM2837 central processing unit 5 is connected with power management core
Piece 12, the power management chip 12 use SD6834 straight cutting DIP8 foot.Power management chip is undertaken in stream statistics terminal
The chip to the responsibility of the transformation of electric energy, distribution, detection and other electric energy managements is played, is mainly responsible for and knows BCM2837 central processing
The power supply amplitude of device 5 generates corresponding short square wave, late-class circuit is pushed to carry out power output, other common power management chips
There are also HIP6301, IS6537, RT9237, ADP3168, KA7500, TL494 etc..
The BCM2837 central processing unit 5 is connected with wireless management chip 13, and the wireless management chip 13 uses Botong
BCM43438.Wireless management chip 13 realizes the wireless transmission effect of statistics terminal.The camera model 2 is configured with camera,
Camera uses OV2640 camera, and OV2640 is one 1/4 cun CMOS UXGA (1632*1232) imaging sensor.The biography
Sensor is small in size, operating voltage is low, is controlled by serial camera control bus protocol, can export whole frame, sub-sampling, scaling
With 8/10 image data of various resolution ratio for taking the modes such as window, 15 frames of ultra extended graphics array highest/second (advanced video
Graphic array is up to 30 frames, and global image transformat is up to 60 frames).
The utility model, using embedded device, passes through intelligence based on face intelligent-tracking and identification core technology
Algorithm and statistical model realize the accurate demographics analysis based on video, to specifying single or multiple video monitoring regionals (such as
Market, commercial street, subway entrance) stream of people's progress video monitoring, motion analysis and tagsort are accurate to detect through the region
People information, and to people information and image long-term preservation.
From the algorithm of use, the real-time stream of people, which counts terminal cardinal principle, is: the video obtained for camera model 2
Sequence is filtered, enhances and restores image preprocessing；Motion target area is extracted, movement face is detected, is identified
Human body target is entered and left, movement recognition of face is carried out, tracks target direction of motion, carries out face tracking, realizes statistical technique.Software
Algorithm, which is based on OpenCV, has many advantages, such as that precision is high, easily operated.
Real-time stream of people's statistics analyzes it processing, then counts some region by the image in acquisition video
In or by somewhere number.Nowadays there is the application product of video people stream statistical technique in the market, but needed mostly special
Video capture device and very stringent placement condition, the statistics of number also more rests on single local regions.By
The utility model can have the functional module of practical application value using stream of people's statistical technique as one, be integrated into video monitoring system
In system, makes video monitoring system while completing daily management and real time monitoring, building interior people can also be calculated in real time
Several specific distribution situations, and then a kind of advanced and feasible intelligence can be provided business decision, resource allocation, disaster prevention
Processing scheme, it is cheap, easy for installation, equipment is stable, strong applicability, have that precision is high, easily operated based on OpenCV, system
It is high to count precision, error is small, can be applied to intelligence community, enters and leaves number to community in real time and counts, facilitates Community managers
Being further processed and managing to data.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of real-time stream of people counts terminal, it is characterised in that: the statistics terminal includes development board (1) and camera model
(2), it is embedded with BCM2837 central processing unit (5) on the development board (1), development board is additionally provided with camera string on (1)
Line interface (3) and USB interface (4), the camera model (2) and the BCM2837 central processing unit (5) pass through camera serial interface
Mouth (3) or USB interface (4) establish connection；The BCM2837 central processing unit (5) is also connected with crystal oscillator (6), guards the gate
Dog timer (7) and random access memory (8).
2. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the crystal oscillator (6) is adopted
With 19.2MHz crystal oscillator；The WatchDog Timer (7) is integrated with SP706 watchdog chip；The random access memory (8) uses
LPDDR2。
3. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the BCM2837 central processing
Device (5) is connected with audio output port (9), and the audio output port (9) uses the angle 3.5mm4 audio output port.
4. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the BCM2837 central processing
Device (5) is connected with serial communication interface (10), and serial communication interface (10) uses RS232.
5. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the BCM2837 central processing
Device (5) is connected with lan interfaces (11), and the lan interfaces (11) use the port RJ45.
6. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the BCM2837 central processing
Device (5) is connected with power management chip (12), and the power management chip (12) uses SD6834 straight cutting DIP8 foot.
7. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: the BCM2837 central processing
Device (5) is connected with wireless management chip (13), and the wireless management chip (13) uses Botong BCM43438.
8. a kind of real-time stream of people according to claim 1 counts terminal, it is characterised in that: camera model (2) configuration
There is camera, camera uses OV2640 camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821470358.0U CN208609114U (en) | 2018-09-07 | 2018-09-07 | A kind of real-time stream of people's statistics terminal |
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| CN201821470358.0U CN208609114U (en) | 2018-09-07 | 2018-09-07 | A kind of real-time stream of people's statistics terminal |
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| CN201821470358.0U Expired - Fee Related CN208609114U (en) | 2018-09-07 | 2018-09-07 | A kind of real-time stream of people's statistics terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009090A (en) * | 2019-12-31 | 2020-04-14 | 国网福建省电力有限公司 | Intelligent anti-falling monitoring system for high-altitude operation and working method thereof |
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2018
- 2018-09-07 CN CN201821470358.0U patent/CN208609114U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009090A (en) * | 2019-12-31 | 2020-04-14 | 国网福建省电力有限公司 | Intelligent anti-falling monitoring system for high-altitude operation and working method thereof |
| CN111009090B (en) * | 2019-12-31 | 2021-07-06 | 国网福建省电力有限公司 | Intelligent anti-falling monitoring system for high-altitude operation and working method thereof |
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