CN102510401B - 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 sow welfare cultivation, wireless network communication technique and machine vision technique field, the system of especially by machine vision technique and ZigBee wireless network communication technique, group support sow drinking behavior being 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 the numerous areas such as artificial intelligence, Neurobiology, psychophysics, computer science, image processing, pattern recognition.Machine vision is mainly simulated people's visual performance with computer, information extraction from the image of objective things is processed and understood, and finally detects, measures and control for reality.The feature of machine vision technique maximum be speed fast, contain much information, function is many.
At present, the drinking-water of sow is one of animal behavior meriting attention most, and water is the nutriment that sow has the call, and drinking behavior is sow health whether important basis for estimation.The current main limit that adopts of sow cultivation of China is fed hurdle, this feeding patterns has seriously limited the freely space of activity of sow, do not meet animal welfare requirement, European Union has been decided by ban use of for 2013 limit to feed hurdle, gestational period sow employing group support mode is raised, be necessary to design the accurate monitoring system of a set of intellectuality for the sow drinking behavior under this raising pattern.
The technology such as current radio communication, machine vision have been applied at agricultural production, but the automation equipment in sow aquaculture industry is actually rare, particularly utilize hyundai electronics, communication technology precise monitoring, the individual drinking-water of analysis group support sow to go 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 that judges animal health condition, poultry feeders only needs to pay close attention to the abnormal sow individuality of drinking behavior every day, the sow of finding to occur in time health problem, reduces 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, real-time broadband transmission is important topic urgently.
Summary of the invention
The object of the invention is the problem lacking for the automation equipment in sow aquaculture industry, 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 multiple drinking-water point devices, gateway node and central server, drinking-water point in each pig house to be monitored is equipped with at a draft water spot equipment, each drinking-water point device includes water fountain, imageing sensor, processor, infrared induction module, flowmeter and drinking-water point device ZigBee telegon, described infrared induction module is arranged on the top of water fountain, be used for responding to sow and press close to water fountain, the signal output part of each infrared induction module is connected with the induced signal end of alignment processing device, 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 by the ZigBee telegon wireless connections of corresponding ZigBee telegon and gateway node, gateway node is by network and central server wireless connections.
The both sides of water fountain of the present invention are equipped with the first baffle plate, and second baffle, installation infrared induction module on this second baffle are installed in the top of two first baffle plates.。
The first baffle plate of the present invention is cement baffle plate, and second baffle is acrylic baffle plate.
The high 1.5m of the first baffle plate of the present invention, wide 0.6m, the spacing of two first baffle plates is 0.6m.In this system, the effect of two first baffle plates is to ensure once to only have a pig to approach water fountain, and because two first baffle spacings are set as 0.6m, therefore the build of pig is preferably larger, 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 by the CMOS utilizing camera interface of arm processor.
A group support sow drinking behavior wireless monitoring method based on machine vision technique, the group support sow drinking behavior wireless monitor system of application based on machine vision technique, it comprises the following steps:
(a), in each pig house to be monitored, sow to be detected is numbered and is marked on pig back, infrared induction module is surveyed the sow that enters drinking-water point, enter drinking-water point once detect sow, the level signal of infrared induction module output becomes high level from low level and triggers the processor for recording time started, processor drives imageing sensor photographic images storage, reads the numerical value of flowmeter simultaneously;
(b), when having detected sow, infrared induction module leaves when point drinking-water, the output signal of infrared induction module becomes low level from high level and again triggers the processor for recording end time (processor has pig to enter drinking-water point by detecting electrical level rising along judgement), detect trailing edge and judge that pig leaves, simultaneous processor reads the numerical value of flowmeter;
(c), processor identifies to the image of taking in step (a) numbering that reads pig back by digit recognition method, records the numbering of this sow;
(d), twice meter readings subtracted each other the amount of drinking water that obtains corresponding sow by processor, the sow by No. ID, drinking-water point, this time drinking water with preprocessor is numbered, starts drinking-water, the time that finishes drinking-water and amount of drinking water and sends to by serial ports the point device ZigBee module of drinking water, drinking-water point device ZigBee module is by data retransmission to gateway ZigBee module, and gateway sends to central server by network by information.
The distance of reaction of infrared induction module of the present invention is 0.8-1.2m.
In 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: No. ID of the drinking-water point of inquiring about wanted in central server staff input, central server will send to by gateway for this No. ID in all drinking-water point processors of its management, receive relatively this ID and himself ID of processor of No. ID, the sow drinking-water information exchange monitoring in setting-up time section is crossed to drinking-water point device ZigBee module send to gateway ZigBee module if mate alignment processing device, gateway node sends to central server by network; If No. ID coupling is unsuccessful, 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 exceedes default upper threshold or lower than threshold value lower limit, reports to the police and result is passed through to note personnel.
Beneficial effect of the present invention:
System of the present invention adopts machine vision technique automatically to identify drinking-water sow numbering, 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, avoided that subjectivity in artificial observation drinking behavior process is strong, accuracy, shortcoming that stability is inadequate.
Gateway of the present invention adopts 3G dialing to be connected with server with two kinds of modes of Ethernet, efficiently solve pig house and be located in problem remote and cannot remote monitoring, and adopt 3G network to be greatly improved in speed than GPRS network, therefore, higher in transmission data age rate, superiority is more obvious; Also simplify communicating by letter between gateway and central server.
Gateway of the present invention adopts ZigBee wireless communication protocol to communicate by letter with a drinking-water point ARM, and this communication has been avoided the deficiency in cost and stability that traditional wiring brings, and robustness highly can ensure native system long-term stable operation.In addition, ZigBee-network has the real-time of height, facilitates the Real-time Collection of data, ensures the operating efficiency of system.
Drinking behavior is 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 send to poultry feeders automatically by individual sow abnormal water consumption numbering, this sow can be paid close attention to timely, thereby reduce growth, the Influence of production of disease to sow, effectively promoted the economic benefit of sow cultivation.
Brief description of the drawings
Fig. 1 is 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 drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, a kind of group support sow drinking behavior wireless monitor system based on machine vision technique, it comprises multiple drinking-water point devices, gateway node and central server, drinking-water point in each pig house to be monitored is equipped with at a draft water spot equipment, each drinking-water point device includes water fountain, imageing sensor, processor, infrared induction module, flowmeter and drinking-water point device ZigBee telegon, described infrared induction module is arranged on the top of water fountain, be used for responding to sow and press close to water fountain, the signal output part of each infrared induction module is connected with the induced signal end of alignment processing device, 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 by the ZigBee telegon wireless connections of corresponding ZigBee telegon and gateway node, gateway node is by network and central server wireless connections.
The both sides of water fountain of the present invention are equipped with the first baffle plate, and second baffle, installation infrared induction module on this second baffle are installed in the top of two first baffle plates.。
The first baffle plate of the present invention is cement baffle plate, and second baffle is acrylic baffle plate.
The high 1.5m of the first baffle plate of the present invention, wide 0.6m, the spacing of two first baffle plates is 0.6m.In this system, the effect of two first baffle plates is to ensure once to only have a pig to approach water fountain, and because two first baffle spacings are set as 0.6m, therefore the build of pig is preferably larger, 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 by 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, the group support sow drinking behavior wireless monitor system of application based on machine vision technique, it comprises the following steps:
(a), in each pig house to be monitored, sow to be detected is numbered and is marked on pig back, infrared induction module is surveyed the sow that enters drinking-water point, enter drinking-water point once detect sow, the level signal of infrared induction module output becomes high level from low level and triggers the processor for recording time started, processor drives imageing sensor photographic images storage, reads the numerical value of flowmeter simultaneously;
(b), when having detected sow, infrared induction module leaves when point drinking-water, the output signal of infrared induction module becomes low level from high level and again triggers the processor for recording end time, processor has pig to enter drinking-water point by detecting electrical level rising along judgement, detect trailing edge and judge that pig leaves, simultaneous processor reads the numerical value of flowmeter;
(c), processor identifies to the image of taking in step (a) numbering that reads pig back by digit recognition method, records the numbering of this sow;
(d), twice meter readings subtracted each other the amount of drinking water that obtains corresponding sow by processor, the sow by No. ID, drinking-water point, this time drinking water with preprocessor is numbered, starts drinking-water, the time that finishes drinking-water and amount of drinking water and sends to by serial ports the point device ZigBee module of drinking water, drinking-water point device ZigBee module is by data retransmission to gateway ZigBee module, and gateway sends to central server by network by information.
The distance of reaction of infrared induction module of the present invention is 0.8-1.2m.
In 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: No. ID of the drinking-water point of inquiring about wanted in central server staff input, central server will send to by gateway for this No. ID in all drinking-water point processors of its management, receive relatively this ID and himself ID of processor of No. ID, the sow drinking-water information exchange monitoring in setting-up time section is crossed to drinking-water point device ZigBee module send to gateway ZigBee module if mate alignment processing device, gateway node sends to central server by network; If No. ID coupling is unsuccessful, 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 exceedes default upper threshold or lower than threshold value lower limit, reports to the police and result is passed through to note personnel.
When concrete enforcement:
(1) drinking-water point device
As shown in Figure 2, drinking-water monitoring point is the basic composition unit of drinking behavior monitoring system, need to possess the 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 to approach water fountain at every turn, on baffle plate up, settle cmos image sensor OV7620, this transducer is connected with arm processor by the CMOS utilizing camera interface on ARM S3C2440 development board, 24h monitoring sow drinking behavior.Installation infrared induction module on baffle plate up, adjusting distance of reaction is 1m, in the time having sow to approach water fountain, can trigger infrared induction module, induction output high level is connected to the I/O mouth on development board, arm processor constantly detects this I/O mouth level, if have high level signal to drive OV7620 take a width picture and deposit this picture in memory, identify its numbering by number recognizer.Change the impact on IMAQ in order to reduce light, use two annular white light sources to provide uniform illumination for monitoring point.
Water ga(u)ge is selected LZDH type metallic rotameter, and the range of flow that in the situation of feed pipe latus rectum 15mm, this flowmeter can measure is 10-100 liter/h, meets the requirement of drinking water utensil for pig flow velocity.Metallic rotameter flow signal is exported with 4-20mA simulation current flow, be converted into output voltage through load resistance, output voltage signal is connected to arm processor by GPIO mouth, and arm processor is determined the individual single amount of drinking water of sow by voltage and discharge relation.
Drinking-water is selected operation principle and is: enter drinking-water point when infrared induction module has detected sow, trigger the arm processor recording start time, and take a two field picture, read the numerical value of flowmeter simultaneously.Leave drinking-water point when infrared induction module has detected sow, again trigger the arm processor record end time, and read the numerical value of flowmeter.Arm processor is identified image by digital recognizer, records the numbering of this sow, and twice meter readings subtracted each other and obtained amount of drinking water.Arm processor sends to ZigBee module by this sow numbering, time period (start-finish), amount of drinking water by serial ports subsequently, ZigBee module by data retransmission to gateway ZigBee module.
(2) gateway node
Gateway is mainly made up of ZigBee module, 3G module, ARM module and power module, wherein between ZigBee module and ARM module, is connected by serial ports.Its operation principle is: gateway is started working, setting up socket as client and center server is connected, then enter wait data mode, whether gateway A RM module continues to monitor serial ports ZigBee module data, if there are data, data cached, gateway and then detect it and whether normal be connected with the TCP of central server, if normal, the data in buffer memory are sent to central server by 3G module or RJ45 network interface, if TCP malunion is normal, re-establish and connect and monitor serial ports, by the time while having data to send, all data of buffer memory in buffering area are all mail to central server next time.
(3) central server
After the data that central server is beamed back by socket communication technology reception gateway, provide the function such as preliminary treatment, storage to data.Simultaneously central server also provides the network issuing function to data, adopts B/S framework that data are externally issued with the form of webpage, accesses server and check data on any computer that user can be in Internet or PDA.
The part that the present invention does not relate to all prior art that maybe can adopt same as the prior art is realized.
Claims (3)
1. the group support sow daily drink amount based on machine vision technique and a drinking-water frequency monitoring system, is characterized in that it comprises multiple drinking-water point devices, a gateway node and three parts of a central server; In each pigsty, be provided with a drinking-water point device, load traffic meter, infrared induction module and cmos image sensor on it; Flowmeter output signal, with the output of 4-20mA simulation current flow, is converted into output voltage through load resistance and is connected with the arm processor of drinking-water point device by GPIO mouth; In each pigsty, sow back has different numeral numbers, and the first baffle plate is all established in the both sides of water fountain, and the first baffle plate is cement baffle plate, high 1.5m, wide 0.6m, and the spacing of two first baffle plates is 0.6m; Second baffle is installed in the top of two first baffle plates, and second baffle is acrylic baffle plate, installation infrared induction module on this second baffle, and the distance of reaction of infrared induction module is 0.8-1.2m, its signal output is connected to the arm processor of drinking-water point device; Infrared induction module is surveyed the sow that enters drinking-water point, enter drinking-water point once detect sow, the level signal of infrared induction module output becomes high level from low level, the arm processor that triggers drinking-water point device drives imageing sensor photographic images, the numeral number of identification sow back, records sow and enters the drinking-water point time and read flowmeter output voltage values; When detecting sow, infrared induction module leaves drinking-water point, the output signal of infrared induction module becomes low level from high level and again triggers drinking-water point device arm processor and record sow and leave the time of drinking-water point and read flowmeter output voltage values, and twice meter readings subtracted each other the amount of drinking water that obtains corresponding sow by processor; Drinking-water point device sends to ZigBee module by this drinking-water sow numbering, drinking-water duration, single amount of drinking water by serial ports, and the ZigBee module of drinking-water monitoring point is the ZigBee module to gateway node by package forward; Gateway node sends to central server by network by drinking-water sow numbering, drinking-water duration and single amount of drinking water.
2. group support sow daily drink amount and the drinking-water frequency monitoring method based on machine vision technique, apply group support sow daily drink amount and the drinking-water frequency monitoring system based on based on machine vision technique as claimed in claim 1, it is characterized in that it comprises the following steps:
(a), in each pig house to be monitored, sow to be detected is numbered and is marked on pig back, infrared induction module is surveyed the sow that enters drinking-water point, enter drinking-water point once detect sow, the level signal of infrared induction module output becomes high level from low level and triggers the processor for recording time started, processor drives imageing sensor photographic images storage, reads the numerical value of flowmeter simultaneously;
(b), when having detected sow, infrared induction module leaves when point drinking-water, the output signal of infrared induction module becomes low level from high level and again triggers the processor for recording end time, processor has pig to enter drinking-water point by detecting electrical level rising along judgement, detect trailing edge and judge that pig leaves, simultaneous processor reads the numerical value of flowmeter;
(c), processor identifies to the image of taking in step (a) numbering that reads pig back by digit recognition method, records the numbering of this sow;
(d), twice meter readings subtracted each other the amount of drinking water that obtains corresponding sow by processor, the sow by No. ID, drinking-water point, this time drinking water with preprocessor is numbered, starts drinking-water, the time that finishes drinking-water and amount of drinking water and sends to by serial ports the point device ZigBee module of drinking water, drinking-water point device ZigBee module is by data retransmission to gateway ZigBee module, and gateway sends to central server by network by information;
(e), central server comprehensively judges the daily consumption total amount of the individual daily drink frequency of sow, water resources according to expert decision system, if the individual daily drink frequency of sow exceedes default upper threshold or lower than threshold value lower limit, or the daily consumption total amount of water resources is abnormal, system can send to poultry feeders automatically by individual sow abnormal water consumption numbering, and this sow can be paid close attention to timely.
3. group support sow daily drink amount and the drinking-water frequency monitoring method based on machine vision technique according to claim 2, it is characterized in that described monitoring method also comprises query steps: No. ID of the drinking-water point of inquiring about wanted in central server staff input, central server will send to by gateway node for this No. ID in all drinking-water point device processors of its management, receive relatively this ID and himself ID of processor of No. ID, if mate alignment processing device, each the sow monitoring in setting-up time section time amount of drinking water is sent to gateway node ZigBee module by drinking-water point device ZigBee module, gateway node sends to central server by network, if No. ID coupling is unsuccessful, the processor of this drinking-water point abandons from gateway and receives drinking-water point inquiry id information.
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