CN109302592A - A kind of analysis of animal house Image Acquisition and Transmission system based on FPGA - Google Patents
A kind of analysis of animal house Image Acquisition and Transmission system based on FPGA Download PDFInfo
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- CN109302592A CN109302592A CN201811444882.5A CN201811444882A CN109302592A CN 109302592 A CN109302592 A CN 109302592A CN 201811444882 A CN201811444882 A CN 201811444882A CN 109302592 A CN109302592 A CN 109302592A
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Abstract
The present invention provides a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA, including video image acquisition module, video image processing module, image compression design module, data communication module and server module；Video image acquisition module: being acquired the video image of livestock and poultry, and code conversion is sent to video image processing module at digital video signal；Video image processing module: pretreatment and pattern-recognition are carried out to the video image after coding, then motion detection tracking is carried out using single Gauss model, differentiates the number of livestock and poultry；Image compression designs module: using the sequence lossy coding compress mode based on dct transform to carry out the compression of childbirth image；Data communication module: data communication is carried out with terminal, then by transmission of video images to long-range server module；Server module: to video image reception, storage, decision and publication.
Description
Technical field
The present invention relates to livestock and poultry cultivation field, especially a kind of analysis of animal house Image Acquisition and transmission system based on FPGA
System.
Background technique
As livestock aquaculture develops to scale, intensive direction, application of the automatic technology in cultivation is increasingly wide
It is general, especially using pig-breeding as representative.At present the technologies such as wireless communication, video monitoring facility cultivation field
Using, but the domestic research report rarely having at present using FPGA and machine vision technique progress animal house detection, especially supported in tradition
Grow be easy to appear in mode because personnel carelessness due to cause such as sow it is high-risk movement etc. a series of reasons and caused by kill piglet etc.
Phenomenon occurs, so that the economic benefit of aquaculture is affected.Therefore, animal house situation is accurately and real-time detected, Yi Jitu
It is solved the problems, such as the real-time Transmission of information becomes development need instantly.
Summary of the invention
Goal of the invention: the technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide one kind to be based on
The animal house Image Acquisition of FPGA is analyzed and Transmission system.
In order to solve the above-mentioned technical problems, the present invention provides a kind of analysis of animal house Image Acquisition and transmission based on FPGA
System, including video image acquisition module, video image processing module, image compression design module, data communication
Module and server module；
Video image acquisition module: being acquired the video image of livestock and poultry in animal house, and code conversion is at digital video
Signal is sent to video image processing module；
Video image processing module: pretreatment and pattern-recognition are carried out to the video image after coding, then using single high
This model carries out motion detection tracking, differentiates the number of livestock and poultry in animal house；
Image compression designs module: the sequence lossy coding compress mode based on dct transform being used to carry out
The compression of childbirth image；
Data communication module: data communication is carried out with terminal, then by transmission of video images to long-range server mould
Block；
Server module: to video image reception, storage, decision and publication.
In the present invention, video image acquisition module includes OV7670 chip, FIFO memory, power management chip and outer
Interface circuit is enclosed, image data is first put into FIFO buffering, then is adopted by fpga chip from the reading data in FIFO, completion image
Set task.
In the present invention, the acquisition step including image:
Step 1:FPGA is initialized first, and then carries out initial configuration to OV7670 module, and then system enters
To state；
Step 2:OV7670 starts to export image data, and the image frame synchronization signal to be received such as FPGA is opened after entering the interrupt
Beginning judges whether can be to FIFO write-in data, and when that data can be written to FIFO, image data starts as unit of pixel
FIFO is written, rFlag is set 1, wFlag and sets 0 by controller at this time；
Step 3: data can be read from FIFO caching when detecting, FPGA will reset the read pointer of FIFO, defeated at this time
Enable signal out reads FIFO clock, reads the first pixel high byte in image from FIFO, continues to read FIFO clock, from
FIFO reads the first pixel low byte in image, and image data is simultaneously stored in caching, and so circulation is read, and can obtain figure in real time
As data.
In the present invention, video image processing module is filtered the video image after coding, denoises, binaryzation is located in advance
Then reason carries out pattern-recognition, given threshold divides livestock and poultry target, extracts target object, carries out static image analysis, then
Motion detection tracking is carried out using single Gauss model, the multidate information of target object is extracted and is analyzed, to differentiate poultry
The number of livestock and poultry in giving up.
In the present invention, image compression design module first converts video signal in frequency domain, separates
High and low frequency information out；Then the high frequency section of image is compressed；In next step to transformed floating type coefficient of frequency
Quantified, converts it to integer；Then in each 8*8 block 1 DC component and 63 AC compounents respectively into
Row coding, and then by original image information compression processing at JPEG form information.
In the present invention, data communication module selects EM770W wireless module to transmit image, and TCP/IP built in EM770 is assisted
Stack is discussed, supports standard AT command set and part extensible AT command set as defined in WCDMA agreement；Using based on Socket agreement
Communication modes and terminal carry out data communication, then send data to remote server.
In the present invention, controllers operate control by server module and send different instructions, acquire animal house respectively
Received data are saved in server-side database in real time, and pre-processed to data by relevant information, provide voice reporting
Alert or short message is reminded.
In the present invention, IP is arranged to FPGA1 by network interface in remote server, then can send to the monitoring point of different IP
Then start monitoring order, the video data to be received such as；It after FPGA1 receives order, parses the command, control video is compiled
Code device CMOS1 carries out video acquisition；Analog video signal is converted into digital video signal by CMOS1, is stored in SDRAM2, so
After be transferred to FPGA1 to video image carry out processing and target identification analyze；FPGA1 by 3G control module treated view
Frequency picture signal is transferred to WCDMA module, and the livestock and poultry information that analysis obtains is transferred to UART4；WCDMA module is transmitted by 3G
To remote server.
In the present invention, control instruction is sent to network middleware with socket communication mode by remote server, is received
After the return data of network middleware, advanced treating is carried out to data and is stored, while by data in the form of a web page to outgoing
Cloth, user can access remote server by outer net computer and check data information.
Realize each functional module of moving target detecting method, on FPGA to realize that the front-end detection of livestock and poultry situation provides
Technical guarantee.Image using grouping transmission and one group of data of every biography it is all etc. to be answered, ensure image complete transmission in this way, avoid
Packet loss phenomenon.
Design of the present invention to livestock and poultry video image acquisition and Transmission system utilizes the skill of FPGA and wireless transmission communication
Art realizes the fast and reliable acquisition to livestock and poultry video image, and uploads to remote server, system transmission by wireless network
Rate meets the requirement of real-time of data upload.
The present invention is avoided by the way of cordless communication network because in traditional wiring mode bring cost and stability
Deficiency, high reliability can guarantee this system long-term stable operation.In addition, cordless communication network real-time with higher,
Data acquisition is timely and convenient, to ensure the operational efficiency of total system.
FPGA (Field-Programmable Gate Array), i.e. field programmable gate array, are as dedicated collection
At one of field circuit (ASIC) semi-custom circuit.
The utility model has the advantages that this system carries out video images detection to livestock and poultry in animal house, without artificial scene viewing on duty, pass through
The behavior of livestock and poultry in analysis record animal house, can find emergency case in time and notify that poultry raiser takes corresponding measure, reduce because
Emergency case processing is lost caused by two not in time, whole to promote cultivation factory's working efficiency.
Detailed description of the invention
The present invention is done with reference to the accompanying drawings and detailed description and is further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is a kind of schematic diagram of animal house Image Acquisition analysis and Transmission system based on FPGA；
Fig. 2 is image capture module hardware circuit diagram；
Fig. 3 is Image Acquisition flow chart；
Fig. 4 is the work flow diagram of video image processing module；
Fig. 5 is to damage jpeg image compression process figure；
Fig. 6 is communication flow diagram；
Fig. 7 is general frame figure.
Specific embodiment
It elaborates below in conjunction with attached drawing to the present invention.
This patent it is a kind of based on FPGA animal house Image Acquisition analysis and Transmission system, in conjunction with FPGA, CMOS camera and
Wireless communication module, choosing representative pig house is scene, devises livestock and poultry Image Acquisition, processing and wireless transmission and is
System, propose it is a kind of it is low in energy consumption, cost is small, fireballing Image Acquisition, processing and transmission plan.Content includes: to utilize CMOS
The animal house video image acquisition module of camera and video coding chip design composition, for acquiring the movable video image of livestock and poultry
Information；Design is realized by the module to the movable video figure of livestock and poultry using FPGA as the livestock and poultry video image processing module of core
As carrying out processing analysis and alarming；Using the wireless communication module based on 3G technology, by treated video image information and
Analysis result is uploaded to monitoring central server, and can notify in time, locate in time simultaneously by the mobile phone terminal of result to poultry raiser
Reason.
The critical issue to be solved:
(1) acquisition terminal framework and hardware circuit design.
(2) acquisition of video image and color recieving.
(3) solidification of FPGA moving object detection algorithm.
(4) image compression algorithm.
(5) embedded type network video communicates.
The technical solution of the application motion elaborates
Technical solution
System acquires the video image information of livestock and poultry in animal house by CMOS camera, is converted by video coding chip
After the digital video signal of specific format, it is sent into FPGA and carries out video image pretreatment, and the video image of livestock and poultry is carried out special
Sign analysis, the result of analysis and treated vision signal or picture signal are transmitted to after overcompression by 3G wireless communication module
Server or other meet the equipment of agreement.Server carries out classification processing after receiving information, is stored in database, and in monitoring
Heart real-time display, and real-time release is alarmed on network if there are abnormal conditions, and result is sent to now by short message
Field cultural technique personnel can make reply processing to the childbirth of sow in time.
Video image acquisition module design
Image capture module uses OV7670, it is a color cmos type Image Acquisition integrated chip, provides high-performance
The encapsulation of single small size, application range is very extensive.FPGA is by I2C bus marco OV7670, while acquisition module need to match
FIFO memory, power management chip and peripheral interface circuit composition are closed, module hardware circuit design is as shown in Fig. 2, main
Turn 2.8V power supply including an OV7670 chip, an AL422FIFO chip, a SN74LVC1G00 NAND gate, a 3.3V
The expansion interface P1 that chip PAM3101DAB28, a 12MHz have source crystal oscillator and be connected with microcontroller.
Since the frequency of the pixel clock signal PCLK of OV7670 is relatively high, and microcontroller cannot be rung in collection process
Answer other interruptions.So adding a FIFO cache chip between OV7670 and FPGA.The image data of acquisition is first put into
FIFO buffering in, then by fpga chip from FIFO reading data, complete Image Acquisition task.Solve in this way OV7670 with
Time Series Matching problem between FPGA.Designed image collecting flowchart of the present invention is as shown in Figure 3.
Such as Fig. 3, fpga core control section two step main to the acquisition of livestock and poultry image: first is that the storage of image, second is that figure
The reading of picture, acquisition step are as follows:
Initial configuration is carried out when FPGA first initializes peripheral circuit arrangement, and then to OV7670 module, then
System enters wait state；
OV7670 starts to export image data, and the image frame synchronization signal to be received such as FPGA starts to judge after entering the interrupt
Whether data can be written to FIFO, once can if image data start that FIFO is written as unit of pixel, controller at this time
RFlag is set into 1, wFlag and sets 0；
Once data can be read from FIFO caching by detecting, FPGA will reset the read pointer of FIFO, and output makes at this time
Energy signal, reads FIFO clock, reads the first pixel high byte in image from FIFO, continues to read FIFO clock, read from FIFO
The first pixel low byte in image is taken, image data is simultaneously stored in caching, and so circulation is read, it can real-time image acquisition number
According to.
(2) video image processing module design
The present invention devises the video image processing module based on EP4CE40 platform in FPGA, including livestock and poultry Target Segmentation
And target identification early warning.The pretreatments such as the module is first filtered the video image after coding, denoises, binaryzation, so
After carry out pattern-recognition, given threshold divides livestock and poultry target, extracts target object, carries out static image analysis, then uses
Improved list Gauss model carries out motion detection tracking, extracts the multidate information of target object and is analyzed, to sentence
The number of other livestock and poultry.The work flow diagram of video image processing module is as shown in figure 4, obtaining current frame image first and extracting R
Then component carries out livestock and poultry Target Segmentation and moving object detection, finally calculate motion target area in R component image and meet poultry
The pixel number S of fowl color characteristic detects the number of livestock and poultry, thus sentences if S is greater than setting livestock and poultry area threshold S0
Whether exception and do not alarm.
(3) image compression designs
The present invention uses Joint Photographic Experts Group as image compression encoding mode, to maximize image compression rate, and then uses
Sequence lossy coding compress mode based on dct transform carries out the compression of childbirth image.And when carrying out dct transform,
Main method is the sub-block for being 8 × 8 or 16 × 16 by picture breakdown, and to the individual dct transform of each sub-block progress, then
Transformation results are quantified, are encoded.Due to floating number precision problem, it is possible to create rounding error.Therefore, the present invention uses and changes
Into DCT integer transform.Jpeg image compression process is damaged as shown in figure 5, first becoming picture signal in frequency domain
It changes, isolates high and low frequency information；Then the high frequency section of image is compressed；In next step to transformed floating type frequency
Rate coefficient is quantified, and integer is converted it to；Then to 1 DC component and 63 AC compounents in each 8*8 block
(AC) encoded respectively, so by original image information just compression processing at JPEG form.
Wherein, in JEPG compression standard compression of images quantization operation, the block of pixels of M × N is still after dct transform
The block of M × N.Dct transform and quantization are used cooperatively available preferable compression effectiveness, via high frequency system most after dct transform
Number is very small, becomes zero after quantization, and residual coefficient largely reduces dynamic range, ratio needed for reducing coding
Special number.
(4) data communication module design
EM770W wireless module is selected to transmit image, ICP/IP protocol stack built in EM770 is supported as defined in WCDMA agreement
Standard AT command set and part extensible AT command set.The present invention is simultaneously in order to reduce power consumption of terminal, wireless module only with
It is just activated when family needs, other times are in sleep state.When needing module to enter sleep state, at the end FPGA by module
Serial ports receiving end, that is, UART1_RX and UART2_RX drag down.
Using communication modes and terminal progress data communication based on Socket agreement, then send data to remote service
Device.The Socket three-way handshake agreement of FPGA and receiving end may be implemented by the step, establish communication and carry out image data
It sends, while remote server carries out the reception of image data.The present invention has formulated the network based on ICP/IP protocol as follows and has passed
Defeated agreement, as shown in fig. 6, then server sends data acquisition service request and arrives firstly, setting up connection by three-way handshake
Terminal；Terminal responds service request and returned data, waiting for server confirmation；Server receives and reads corresponding data, then
It disconnects.
(5) server designs
Server is mainly responsible for reception, storage, decision and the publication of data.Prison is supplied to the interface of hommization
Control center controllers, controllers can send different instructions by operation control, acquire the relevant information of animal house respectively.
Received data are saved in server-side database in real time, and data are pre-processed, audio alert or short is provided
Letter is reminded.
Server end website relies primarily on the information saved in real time in database, shows video in animal house in the form of a web page
Image and livestock and poultry information.
The utility model has the advantages that
This system carries out video images detection to livestock and poultry, without artificial scene viewing on duty, passes through analysis record livestock and poultry
Behavior can find emergency case in time and notify that poultry raiser takes corresponding measure, reduce because of emergency case processing not in time two
Caused by lose, it is whole to promote cultivation factory's working efficiency.
Realize each functional module of moving target detecting method, on FPGA to realize that the front-end detection of livestock and poultry situation provides
Technical guarantee.Image using grouping transmission and one group of data of every biography it is all etc. to be answered, ensure image complete transmission in this way, avoid
Packet loss phenomenon.
Design of the present invention to livestock and poultry video image acquisition and Transmission system utilizes the skill of FPGA and wireless transmission communication
Art realizes the fast and reliable acquisition to livestock and poultry video image, and uploads to remote server, system transmission by wireless network
Rate meets the requirement of real-time of data upload.
The present invention is avoided by the way of cordless communication network because in traditional wiring mode bring cost and stability
Deficiency, high reliability can guarantee this system long-term stable operation.In addition, cordless communication network real-time with higher,
Data acquisition is timely and convenient, to ensure the operational efficiency of total system.
Development test method
Generally present study will complete first the planning of entire project block diagram using experimental verification after first theory analysis,
Then again by entire item dividing be several junior units, then to single technology study, carry out division of labor development, finally debug whole
It closes, specific research method is as follows.
(1) system overview design (master-plan).The general frame that system is tentatively proposed according to the performance requirement of system, from
Function carries out module division to system.Be broadly divided into 4 modules in this system, respectively video acquisition module, at video image
Manage module, network communication module and remote server；Design of hardware and software is carried out to each module again later.
(2) hardware detailed design.The whole frame of hardware involved by system is tentatively drawn out according to the requirement that system overview designs
Then figure is divided into each sub- block diagram according to modules again, carry out function and demand analysis and interface to every sub- block diagram
Design carries out hardware selection to every sub- block diagram respectively, the circuit diagram of each sub- block diagram is then drawn respectively, further according to original
Reason figure draws PCB figure, and this completes the Preliminary designs of system hardware.
(3) hardware production and welding.Circuit pcb board is produced according to circuit PCB figure, then pcb board is welded again,
Welding process will accomplish modularization, side weld ddge survey etc., avoid the mistakes such as short circuit, rosin joint and solder skip as far as possible, improve the debugging of system
Efficiency.
(4) hardware testing.Pcb board welding finishes, and to debug to it, first schemes according to circuit diagram and PCB, with ten thousand
Circuit connection is tested with instruments such as tables, guarantees to connect between each device correctly, then, writes test program test hardware
It is whether working properly, according to as a result, local directed complete set hardware design, so that hardware is in optimum Working, it is subsequent software
Function, which is realized, provides guarantee.
(5) Software Detailed Design.The whole software plan that system is carried out according to the requirement of system overview design, by software work
It is further subdivided, is small software module according to function is realized by digital subdividing, using each software module as unit
Divide the work in group, software work is carries out synchronous with hardware effort.
(6) software realization.After the software division of labor, each software team carries out each functional module according to software design charter
Software realization, and software preliminary debugging is carried out respectively, wherein working contents are the theoretical conversions to computerized algorithm.
(8) software and hardware is integrated.After completing design of hardware and software, the system integration, on-line debugging, test are carried out to software and hardware
The runnability of whole system, according to all-round property testing as a result, local directed complete set design of hardware and software, so that the stability of system
Reach best with efficiency.
According to the above method studied and design, the whole software and hardware frame of system is had developed substantially, in this frame
It is tested for the property on the basis of frame, constantly carries out software and hardware adjustment, be finally completed the design of system.
Technology path
System describe:
The Image Acquisition and Transmission system that the present invention designs are by the long-range clothes of front end animal house Image Acquisition transmission terminal and backstage
It is engaged in device composition, video image data is transmitted to backstage remote service to front-end image acquisition transmission terminal by network by wireless communication
Device, remote server carries out advanced treating and storing data, while warning message can be sent to poultry raiser's mobile phone terminal.
Wherein, Image Acquisition transmission terminal mainly includes CMOS camera, fpga core component and wireless communication transmissions mould
Block forms acquisition, color recovery, livestock and poultry target detection, compression of images and wireless transmission, it can be achieved that livestock and poultry video image.FPGA
Core component is divided by function the control of OV camera, SDRAM storage, color recovery, motion detection, compression of images and 3G control
Etc. modules.And remote server passes through reception, storage and the publication of access network implementations livestock and poultry video image.
Overall system architecture:
Such as Fig. 7, system function illustrates:
(1) analysis of livestock and poultry video image acquisition and transmission
IP is arranged to FPGA1 by network interface in remote server 6, then can send to the monitoring point of different IP and start to monitor
Order, the video data to be received such as then；It after FPGA1 receives order, parses the command, controls video encoder
CMOS1 carries out video acquisition；Analog video signal is converted into digital video signal by CMOS1, is stored in SDRAM2, is then passed
It is defeated by FPGA1 and processing and target identification analysis is carried out to video image；FPGA1 is by 3G control module treated video figure
As signal is transferred to WCDMA module, the livestock and poultry information that analysis obtains is transferred to UART4；WCDMA module 5 is transferred to by 3G
Remote server 6.
(2) remote server
Backstage operator is sent to by the control instruction that software obtains with socket communication mode by remote server 6
Network middleware after the return data for receiving middleware, carries out advanced treating to data and stores, be provided simultaneously with the function such as alarm
Energy.Data are externally issued in the form of a web page simultaneously, user can access remote server by outer net computer and check phase
Close data information.
The present invention provides a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA, implement the technical side
There are many method and approach of case, the above is only a preferred embodiment of the present invention, it is noted that for the art
For those of ordinary skill, various improvements and modifications may be made without departing from the principle of the present invention, these improvement
It also should be regarded as protection scope of the present invention with retouching.The available prior art of each component part being not known in the present embodiment is subject to
It realizes.
Claims (9)
1. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA, which is characterized in that including video image acquisition mould
Block, video image processing module, image compression design module, data communication module and server module；
Video image acquisition module: being acquired the video image of livestock and poultry in animal house, and code conversion is at digital video signal
It is sent to video image processing module；
Video image processing module: pretreatment and pattern-recognition are carried out to the video image after coding, then using single Gaussian mode
Type carries out motion detection tracking, differentiates the number of livestock and poultry in animal house；
Image compression designs module: the sequence lossy coding compress mode based on dct transform being used to give a birth
The compression of image；
Data communication module: data communication is carried out with terminal, then by transmission of video images to long-range server module；Clothes
Business device module: to video image reception, storage, decision and publication.
2. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Video image acquisition module includes OV7670 chip, FIFO memory, power management chip and peripheral interface circuit, picture number
According to be first put into FIFO buffering in, then by fpga chip from FIFO reading data, complete Image Acquisition task.
3. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 2, which is characterized in that
Acquisition step including image:
Step 1:FPGA is initialized first, and then carries out initial configuration to OV7670 module, and then system enters waiting shape
State；
Step 2:OV7670 starts to export image data, and the image frame synchronization signal to be received such as FPGA starts to sentence after entering the interrupt
Disconnected whether data to be written to FIFO, when that data can be written to FIFO, image data starts to be written as unit of pixel
FIFO, rFlag is set 1, wFlag and sets 0 by controller at this time；
Step 3: data can be read from FIFO caching when detecting, FPGA will reset the read pointer of FIFO, and output makes at this time
Energy signal, reads FIFO clock, reads the first pixel high byte in image from FIFO, continues to read FIFO clock, read from FIFO
The first pixel low byte in image is taken, image data is simultaneously stored in caching, and so circulation is read, can real-time image acquisition number
According to.
4. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Video image processing module is filtered the video image after coding, denoises, binaryzation pre-processes, and then carries out mode knowledge
Not, livestock and poultry target in given threshold segmentation animal house, extracts target object, carries out static image analysis, then using single Gauss
Model carries out motion detection tracking, extracts the multidate information of target object and is analyzed, to differentiate livestock and poultry in animal house
Number.
5. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Image compression design module first converts video signal in frequency domain, isolates high and low frequency information；
Then the high frequency section of image is compressed；Transformed floating type coefficient of frequency is quantified in next step, it is converted
For integer；Then in each 8*8 block 1 DC component and 63 AC compounents encode respectively, and then will be original
Image information compression processing is at JPEG form information.
6. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Data communication module selects EM770W wireless module to transmit image, and ICP/IP protocol stack built in EM770 supports WCDMA association
Standard AT command set as defined in discussing and part extensible AT command set；Using based on Socket agreement communication modes and terminal into
Row data communication, then send data to remote server.
7. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Controllers operate control by server module and send different instructions, acquire the relevant information of animal house respectively, will be received
Data are saved in server-side database in real time, and pre-process to data, provide audio alert or short message is reminded.
8. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
IP is arranged to FPGA1 by network interface in remote server, then can send to the monitoring point of different IP and start monitoring order, then
Etc. video data to be received；It after FPGA1 receives order, parses the command, control video encoder CMOS1 carries out video
Acquisition；Analog video signal is converted into digital video signal by CMOS1, is stored in SDRAM2, is then transferred to FPGA1 to view
Frequency image carries out processing and target identification analysis；By 3G control module, treated, video signal is transferred to FPGA1
The livestock and poultry information that analysis obtains is transferred to UART4 by WCDMA module；WCDMA module is transferred to remote server by 3G.
9. a kind of analysis of animal house Image Acquisition and Transmission system based on FPGA according to claim 1, which is characterized in that
Control instruction is sent to network middleware with socket communication mode by remote server, receives the passback number of network middleware
According to rear, advanced treating is carried out to data and is stored, while data externally being issued in the form of a web page, user can pass through outer net
Computer access remote server checks data information.
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| CN111249029A (en) * | 2020-02-28 | 2020-06-09 | 上海明略人工智能(集团)有限公司 | Object detection method, object detection device, storage medium, and electronic device |
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