CN102510401A - System and method for wirelessly monitoring water drinking behavior of sows raised in group based on machine vision technology - Google Patents
System and method for wirelessly monitoring water drinking behavior of sows raised in group based on machine vision technology Download PDFInfo
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Abstract
The invention discloses a system and a method for wirelessly monitoring the water drinking behavior of sows raised in a group based on a machine vision technology. The system comprises a plurality of pieces of water drinking place equipment, gateway nodes and a central server, wherein each water drinking place equipment is arranged at a water drinking place in each sow house to be monitored, used for sensing approaching of the sows and triggering each processor to record water drinking time and flow, and wirelessly connected with the central server through the gateway nodes by using a network. The water drinking behavior is an important basis for judging whether the sows are healthy. The system can accurately monitor the daily water drinking frequency of the sows and the daily total consumption of water resources by using an automatic technology, and can automatically send the serial number of a sow individual which abnormally consumes water to a feeder, so that the sow can be timely concerned, the growth and reproduction of the sows are slightly influenced by diseases, and the economic benefit of sow raising is effectively improved.
Description
Technical field
The present invention relates to the breed of sow welfare, wireless network communication technique and machine vision technique field; Especially the system that through machine vision technique and ZigBee wireless network communication technique group support sow drinking behavior is monitored, specifically a kind of group support sow drinking behavior wireless monitor system and monitoring method thereof based on machine vision technique.
Background technology
Machine vision technique is a cross discipline that relates to numerous areas such as artificial intelligence, Neurobiology, psychophysics, computer science, image processing, pattern recognition.Machine vision is mainly come anthropomorphic dummy's visual performance with computer, information extraction from the image of objective things is handled and understood, and finally is used for actual detected, measurement and control.The maximum characteristics of machine vision technique be speed fast, contain much information, function is many.
At present, the drinking-water of sow is one of animal behavior that merits attention most, and water is the nutriment that sow has the call, and drinking behavior is a sow health whether important basis for estimation.The present sow of China is cultured the main limit that adopts and feeds the hurdle; This feeding patterns has seriously limited the free movable space of sow; Do not meet the animal welfare requirement; European Union has been decided by to ban use of in 2013 limit to feed the hurdle, to the gestational period sow adopt the group support mode to raise, be necessary to the intelligent precisely monitoring system of the design of the sow drinking behavior under this raising pattern one cover.
Technology such as radio communication, machine vision have been applied at agricultural production at present; But the automation equipment in the sow aquaculture industry is actually rare, particularly utilizes hyundai electronics, communication technology precise monitoring, the individual drinking-water of analysis group support sow to go then blank especially.Regular the following of healthy sow drinking behavior; Whether the individual drinking behavior of sow normally can be used as the important indicator of judging animal health condition; It is individual that the breed personnel only need pay close attention to the unusual sow of drinking behavior every day; In time find to occur the sow of health problem, reduce the time and efforts that also reduces manpower consumption when disease is brought economic loss greatly.Therefore, for the automation of the individual drinking behavior of group support sow precisely monitor, the real-time broadband transmission is the important topic of demanding urgently.
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Summary of the invention
The objective of the invention is to be directed against the problem that the automation equipment in the sow aquaculture industry lacks, propose a kind of group support sow drinking behavior wireless monitor system and monitoring method thereof based on machine vision technique.
Technical scheme of the present invention is:
A kind of group support sow drinking behavior wireless monitor system based on machine vision technique; It comprises a plurality of drinking-water point devices, gateway node and central server; Drinking-water point in each pig house to be monitored is equipped with water spot equipment at a draft; Each point device of drinking water includes water fountain, imageing sensor, processor, infrared induction module, flowmeter and drinking-water point device ZigBee telegon; Described infrared induction module is installed in the top of water fountain; Be used to respond to sow and press close to water fountain, the induced signal end of the signal output part of each infrared induction module and corresponding processor links to each other, the picture signal control end of each processor, flow signal control end respectively with corresponding imageing sensor, the two-way connection of signal end of flowmeter; The communication signal end of each processor is through the corresponding ZigBee telegon and the ZigBee telegon wireless connections of gateway node, and gateway node is through network and central server wireless connections.
The both sides of water fountain of the present invention are equipped with first baffle plate, and second baffle is installed in the top of two first baffle plates, and the infrared induction module is installed on this second baffle.。
First baffle plate of the present invention is the cement baffle plate, and second baffle is the acrylic baffle plate.
The high 1.5m of first baffle plate of the present invention, wide 0.6m, the spacing of two first baffle plates is 0.6m.The effect of two first baffle plates is to guarantee once to have only a pig near water fountain in this system, because two first baffle spacings are set at 0.6m, so the build of pig is preferably bigger, and sow meets this requirement.
Processor adopting arm processor of the present invention, imageing sensor adopts cmos image sensor, and this imageing sensor is connected with arm processor through the CMOS utilizing camera interface of arm processor.
A kind of group support sow drinking behavior wireless monitoring method based on machine vision technique is used the group support sow drinking behavior wireless monitor system based on machine vision technique, and it may further comprise the steps:
(a), in each pig house to be monitored; Sow to be detected numbered be marked on the pig back; The infrared induction module is surveyed the sow that gets into the drinking-water point, gets into the drinking-water point in case detected sow, and the level signal of infrared induction module output becomes high level by low level and triggers the processor for recording time started; Processor driven image transducer photographic images is also stored, and reads the numerical value of flowmeter simultaneously;
When (b), hot outer induction module has detected sow and has left the drinking-water point; The output signal of infrared induction module becomes low level by high level and triggers the processor for recording concluding time (processor has pig to get into the drinking-water point through detecting level rising along judgement) once more; Detect trailing edge and judge that pig leaves, processor reads the numerical value of flowmeter simultaneously;
(c), processor discerns the numbering that reads the pig back through digit recognition method to the image of taking in the step (a), writes down the numbering of this sow;
(d), processor subtracts each other the amount of drinking water that obtains corresponding sow with twice meter readings; With preprocessor will drink water some ID number, this time sow numbering, time and the amount of drinking water that begins to drink water, finishes drinking-water of drinking-water send to the point device ZigBee module of drinking water through serial ports; Drinking-water point device ZigBee module is given gateway ZigBee module with data forwarding, and gateway sends to central server through network with information.
The distance of reaction of infrared induction module of the present invention is 0.8-1.2m.
In the step of the present invention (a), imageing sensor is taken at least one two field picture.
Monitoring method of the present invention also comprises query steps: ID number of the drinking-water point that central server staff input is wanted to inquire about; Central server with this ID number through gateway send to its management all drinking-water point processors in; Receive ID number processor relatively this ID and himself ID; If the then corresponding processor of coupling sends to gateway ZigBee module with the sow drinking-water information that monitors in the setting-up time section through drinking-water point device ZigBee module, gateway node sends to central server through network; If ID number coupling is unsuccessful, then the processor of this drinking-water point abandons from gateway and receives drinking-water point inquiry id information.
Central server of the present invention judges information according to expert decision system, if the individual drinking times of sow surpasses the preset threshold value upper limit or is lower than the threshold value lower limit, then report to the police and with the result through the note personnel.
Beneficial effect of the present invention:
System of the present invention adopts machine vision technique to discern drinking-water sow numbering automatically; Adopt water ga(u)ge to gather sow single amount of drinking water; Can the accurate recording sow individual daily drink frequency of this system and the daily consumption water yield have avoided that subjectivity in the artificial observation drinking behavior process is strong, accuracy, shortcoming that stability is not enough.
Gateway of the present invention adopts the 3G dialing to be connected with server with the Ethernet dual mode; Efficiently solve pig house and be located in problem remote and can't remote monitoring; And adopt 3G network on speed, to be greatly improved than GPRS network; Therefore, higher in transmission data age rate, superiority is more obvious; Also simplified communicating by letter between gateway and the central server.
Gateway of the present invention adopts the ZigBee wireless communication protocol to communicate by letter with a drinking-water point ARM, and this communication has been avoided cost that traditional wiring brings and the deficiency on the stability, and robustness highly can guarantee the native system long-term stable operation.In addition, the ZigBee network has the real-time of height, makes things convenient for the real-time collection of data, guarantees the operating efficiency of system.
Drinking behavior is a sow health whether important basis for estimation; Native system utilizes automatic technology accurately to monitor the daily consumption total amount of sow daily drink frequency and water resources; System can water consumption is unusual the individual numbering of sow send to the breed personnel automatically; Make this sow can access timely and pay close attention to, thereby reduce growth, the production influence of disease, effectively promoted the economic benefit that sow is cultured sow.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of drinking-water point device of the present invention.
Fig. 3 is the implementing procedure figure of monitoring method of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in Figure 1; A kind of group support sow drinking behavior wireless monitor system based on machine vision technique; It comprises a plurality of drinking-water point devices, gateway node and central server; Drinking-water point in each pig house to be monitored is equipped with water spot equipment at a draft; Each point device of drinking water includes water fountain, imageing sensor, processor, infrared induction module, flowmeter and drinking-water point device ZigBee telegon, and described infrared induction module is installed in the top of water fountain, is used to respond to sow and presses close to water fountain; The signal output part of each infrared induction module links to each other with the induced signal end of corresponding processor; The picture signal control end of each processor, flow signal control end respectively with corresponding imageing sensor, the two-way connection of signal end of flowmeter, the communication signal end of each processor is through the corresponding ZigBee telegon and the ZigBee telegon wireless connections of gateway node, gateway node passes through network and central server wireless connections.
The both sides of water fountain of the present invention are equipped with first baffle plate, and second baffle is installed in the top of two first baffle plates, and the infrared induction module is installed on this second baffle.。
First baffle plate of the present invention is the cement baffle plate, and second baffle is the acrylic baffle plate.
The high 1.5m of first baffle plate of the present invention, wide 0.6m, the spacing of two first baffle plates is 0.6m.The effect of two first baffle plates is to guarantee once to have only a pig near water fountain in this system, because two first baffle spacings are set at 0.6m, so the build of pig is preferably bigger, and sow meets this requirement.
Processor adopting arm processor of the present invention, imageing sensor adopts cmos image sensor, and this imageing sensor is connected with arm processor through the CMOS utilizing camera interface of arm processor.
As shown in Figure 3, a kind of group support sow drinking behavior wireless monitoring method based on machine vision technique is used the group support sow drinking behavior wireless monitor system based on machine vision technique, and it may further comprise the steps:
(a), in each pig house to be monitored; Sow to be detected numbered be marked on the pig back; The infrared induction module is surveyed the sow that gets into the drinking-water point, gets into the drinking-water point in case detected sow, and the level signal of infrared induction module output becomes high level by low level and triggers the processor for recording time started; Processor driven image transducer photographic images is also stored, and reads the numerical value of flowmeter simultaneously;
When (b), hot outer induction module has detected sow and has left the drinking-water point; The output signal of infrared induction module becomes low level by high level and triggers the processor for recording concluding time once more; Processor has pig to get into the drinking-water point through detecting level rising along judgement; Detect trailing edge and judge that pig leaves, processor reads the numerical value of flowmeter simultaneously;
(c), processor discerns the numbering that reads the pig back through digit recognition method to the image of taking in the step (a), writes down the numbering of this sow;
(d), processor subtracts each other the amount of drinking water that obtains corresponding sow with twice meter readings; With preprocessor will drink water some ID number, this time sow numbering, time and the amount of drinking water that begins to drink water, finishes drinking-water of drinking-water send to the point device ZigBee module of drinking water through serial ports; Drinking-water point device ZigBee module is given gateway ZigBee module with data forwarding, and gateway sends to central server through network with information.
The distance of reaction of infrared induction module of the present invention is 0.8-1.2m.
In the step of the present invention (a), imageing sensor is taken at least one two field picture.
Monitoring method of the present invention also comprises query steps: ID number of the drinking-water point that central server staff input is wanted to inquire about; Central server with this ID number through gateway send to its management all drinking-water point processors in; Receive ID number processor relatively this ID and himself ID; If the then corresponding processor of coupling sends to gateway ZigBee module with the sow drinking-water information that monitors in the setting-up time section through drinking-water point device ZigBee module, gateway node sends to central server through network; If ID number coupling is unsuccessful, then the processor of this drinking-water point abandons from gateway and receives drinking-water point inquiry id information.
Central server of the present invention judges information according to expert decision system, if the individual drinking times of sow surpasses the preset threshold value upper limit or is lower than the threshold value lower limit, then report to the police and with the result through the note personnel.
During practical implementation:
(1) drinking-water point device
As shown in Figure 2, the drinking-water monitoring point is the basic composition unit of drinking behavior monitoring system, need possess functions such as discharge collection, the identification of sow numbering, data processing, radio communication.In conjunction with sow drinking behavior monitoring characteristics; The cement baffle plate of drinking-water structure water fountain both sides, monitoring point guarantees only to have a sow near water fountain at every turn; Settle cmos image sensor OV7620 on the baffle plate up; This transducer is connected with arm processor through the CMOS utilizing camera interface on the ARM S3C2440 development board, 24h monitoring sow drinking behavior.The infrared induction module is installed on the baffle plate up; The adjusting distance of reaction is 1m; Can trigger the infrared induction module as sow during near water fountain, induction output high level is connected to the I/O mouth on the development board, arm processor constantly detects this I/O mouth level; Take a width of cloth picture and deposit this picture in memory if there is high level signal then to drive OV7620, through its numbering of number recognizer identification.Change influence in order to reduce light, use two annular white light sources even illumination to be provided as the monitoring point to IMAQ.
Water ga(u)ge is selected LZDH type metallic rotator flowmeter for use, and the range of flow that this flowmeter can measure under the situation of feed pipe latus rectum 15mm is 10-100 liter/h, meets the requirement of drinking water utensil for pig flow velocity.Metallic rotator flowmeter flow signal is exported with 4-20mA analog electrical flow; Be converted into output voltage through load resistance; Output voltage signal is connected to arm processor through the GPIO mouth, and arm processor is confirmed the individual single amount of drinking water of sow through voltage and discharge relation.
Drinking-water point operation principle is: hot outer induction module has detected sow and has got into the drinking-water point, then triggers the arm processor recording start time, and takes a two field picture, reads the numerical value of flowmeter simultaneously.Hot outer induction module has detected sow and has left the drinking-water point, then triggers once more the arm processor record end time, and reads the numerical value of flowmeter.Arm processor is discerned image through the digit recognition algorithm, writes down the numbering of this sow, twice meter readings is subtracted each other obtain amount of drinking water.Arm processor sends to the ZigBee module with this sow numbering, time period (beginning-end), amount of drinking water through serial ports subsequently, and the ZigBee module is given gateway ZigBee module with data forwarding.
(2) gateway node
Gateway mainly is made up of ZigBee module, 3G module, ARM module and power module, wherein links to each other through serial ports between ZigBee module and the ARM module.Its operation principle is: gateway is started working; Promptly set up socket with the central server end and be connected, get into then and wait for that data mode, gateway A RM module continue to monitor serial ports ZigBee module whether data are arranged as client; If data are arranged then data cached; Gateway so detect its be connected with the TCP of central server whether normal, if normal then the data in the buffer memory are sent to central server through 3G module or RJ45 network interface, if the TCP malunion is normal; Then rebulid connection and monitor serial ports, all data with buffer memory in the buffering area next time when by the time having data to send all mail to central server.
(3) central server
After central server receives the data that gateway beams back through the socket communication technology, functions such as preliminary treatment to data, storage are provided.Simultaneously central server also provides the network issuing function to data, adopts the B/S framework that data are externally issued with the form of webpage, and access server is checked data on any computer that the user can be in Internet or the PDA.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (10)
1. group support sow drinking behavior wireless monitor system based on machine vision technique; It is characterized in that it comprises a plurality of drinking-water point devices, gateway node and central server; Drinking-water point in each pig house to be monitored is equipped with water spot equipment at a draft; Each point device of drinking water includes water fountain, imageing sensor, processor, infrared induction module, flowmeter and drinking-water point device ZigBee telegon; Described infrared induction module is installed in the top of water fountain; Be used to respond to sow and press close to water fountain, the induced signal end of the signal output part of each infrared induction module and corresponding processor links to each other, the picture signal control end of each processor, flow signal control end respectively with corresponding imageing sensor, the two-way connection of signal end of flowmeter; The communication signal end of each processor is through the corresponding ZigBee telegon and the ZigBee telegon wireless connections of gateway node, and gateway node is through network and central server wireless connections.
2. the group support sow drinking behavior wireless monitor system based on machine vision technique according to claim 1; The both sides that it is characterized in that described water fountain are equipped with first baffle plate; Second baffle is installed in the top of two first baffle plates, and the infrared induction module is installed on this second baffle.
3. the group support sow drinking behavior wireless monitor system based on machine vision technique according to claim 2 is characterized in that described first baffle plate is the cement baffle plate, and second baffle is the acrylic baffle plate.
4. the group support sow drinking behavior wireless monitor system based on machine vision technique according to claim 2 is characterized in that the high 1.5m of described first baffle plate, wide 0.6m, and the spacing of two first baffle plates is 0.6m.
5. the group support sow drinking behavior wireless monitor system based on machine vision technique according to claim 1; It is characterized in that described processor adopting arm processor; Imageing sensor adopts cmos image sensor, and this imageing sensor is connected with arm processor through the CMOS utilizing camera interface of arm processor.
6. the group support sow drinking behavior wireless monitoring method based on machine vision technique is used the group support sow drinking behavior wireless monitor system based on machine vision technique as claimed in claim 1, it is characterized in that it may further comprise the steps:
(a), in each pig house to be monitored; Sow to be detected numbered be marked on the pig back; The infrared induction module is surveyed the sow that gets into the drinking-water point, gets into the drinking-water point in case detected sow, and the level signal of infrared induction module output becomes high level by low level and triggers the processor for recording time started; Processor driven image transducer photographic images is also stored, and reads the numerical value of flowmeter simultaneously;
(b), when hot outer induction module has detected sow and has left the drinking-water point, the output signal of infrared induction module becomes low level by high level and triggers the processor for recording concluding time once more, processor reads the numerical value of flowmeter simultaneously;
(c), processor discerns the numbering that reads the pig back through digit recognition method to the image of taking in the step (a), writes down the numbering of this sow;
(d), processor subtracts each other the amount of drinking water that obtains corresponding sow with twice meter readings; With preprocessor will drink water some ID number, this time sow numbering, time and the amount of drinking water that begins to drink water, finishes drinking-water of drinking-water send to the point device ZigBee module of drinking water through serial ports; Drinking-water point device ZigBee module is given gateway ZigBee module with data forwarding, and gateway sends to central server through network with information.
7. the group support sow drinking behavior wireless monitoring method based on machine vision technique according to claim 6, the distance of reaction that it is characterized in that described infrared induction module is 0.8-1.2m.
8. the group support sow drinking behavior wireless monitoring method based on machine vision technique according to claim 6 is characterized in that imageing sensor is taken at least one two field picture in the described step (a).
9. the group support sow drinking behavior wireless monitoring method based on machine vision technique according to claim 6; It is characterized in that described monitoring method also comprises query steps: ID number of the drinking-water point that central server staff input is wanted to inquire about; Central server with this ID number through gateway send to its management all drinking-water point processors in; Receive ID number processor relatively this ID and himself ID; If the then corresponding processor of coupling sends to gateway ZigBee module with the sow drinking-water information that monitors in the setting-up time section through drinking-water point device ZigBee module, gateway node sends to central server through network; If ID number coupling is unsuccessful, then the processor of this drinking-water point abandons from gateway and receives drinking-water point inquiry id information.
10. the group support sow drinking behavior wireless monitoring method based on machine vision technique according to claim 6; It is characterized in that described central server judges information according to expert decision system; If the individual drinking times of sow surpasses the preset threshold value upper limit or is lower than the threshold value lower limit, then report to the police and with the result through the note personnel.
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