CN105766789B - The physical health detection method and system of chicken - Google Patents
The physical health detection method and system of chicken Download PDFInfo
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- CN105766789B CN105766789B CN201610141730.2A CN201610141730A CN105766789B CN 105766789 B CN105766789 B CN 105766789B CN 201610141730 A CN201610141730 A CN 201610141730A CN 105766789 B CN105766789 B CN 105766789B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/02—Breeding vertebrates
Abstract
The invention discloses the physical health detection methods and system of a kind of chicken.Morphological feature parameter in the experiment of chicken whereabouts is extracted, chicken physical health index is established after being analyzed and processed to data.A height-adjustable platform is built, a pair of of electromagnetic door is done among platform, electromagnetic door is by a manual switch control on platform.A high-definition camera is respectively placed at platform side, top.Chicken is placed at electromagnetic door, it is fallen from sustained height, high-definition camera records video recording, obtain the number of fluttering its wings up and down in chicken dropping process, lower backwardness weighing instrument measures lower chicken weight, chicken age in days is recorded, extraction chicken physical health characterize data is contrasted with established chicken physical health index.Present invention is mainly used for the physical healths for measuring chicken, and design is simple, rational in infrastructure, can accurately reflect chicken physical health situation.
Description
Technical field
The present invention relates to a kind of a kind of detections of the physical health of poultry physical examinations method and system more particularly to chicken
Method and system can carry out physical health detection to chick and into chicken.
Background technology
It is deeply promoted with industrialization, urbanization, China's agricultural rural development is going into the new stage, shows agricultural
The developing states such as comprehensive production cost rises, agricultural product structure between supply and demand is particularly thorny.Agricultural product total demand rigidly increases, disappears
Expense structure quickly upgrades, and agriculture external dependence degree significantly improves, and is faced with and ensures that national food security and key farm products are effective
The challenge of supply.Therefore phase change, Speeding The Development of Modern Agriculture must be complied with.The main direction of modern agriculture is to improve
Overall productivity in agriculture, the ability to ward off risks and the market competitiveness promote specialized Agriculture production and management, standardization, scale
Change, is intensive.As it can be seen that improving agricultural industry competitive advantage, the effective supply for ensureing key farm products is development modern agriculture
Basic task.
It is known that livestock products supply and demand situation is closely coupled concerning " China can earn one's own living " with food problem
Big problem.Since reform and opening-up, with economic growth, living standard improve and urbanization process quickening, people to meat,
Consumption demand in the Animal foodstuffs such as egg, milk is continuously increased, and consumption proportion of the livestock products in food shows ascendant trend.From
It is seen inside livestock products, poultry is important animal protein sources, since fat content is low, is easy to digest, delicious flavour, protein
Content is high, and for nutritive value higher than pig, beef or mutton, price is less than other meats, and can be by Different Culture background and religious belief
People is received, and beef has been replaced to become second largest consumption meat in the world at present, has been the people of other countries' generally favorite meat
Product.The nutritive value of birds, beasts and eggs is high, various protein and amino acid rich in needed by human body, has brain tonic and intelligence development, protection liver, prevents
Only functions, the consumption demand such as artery sclerosis, pre- anti-cancer, anti-aging constantly rises.Chinese chicken consumption figure in 2010
1245.70 ten thousand tons, the 16.21% of world's aggregate consumption is accounted for, occupies the 2nd, the world；Birds, beasts and eggs consume 2520.09 ten thousand tons, and it is total to account for the world
The 42.57% of consumption figure occupies the 1st, the world.The fast development of domestic fowl farming has become the pillar in agricultural and rural economy
Industry has played very important effect to steady countryside, growth of agricultural efficiency, increasing peasant income.But with the scale of domestic fowl farming,
Commercialized development, more and more people begin to focus on safety and the sustainable development of industry, and healthy aquaculture problem is had become as people
Pay close attention to the focus of research.
With the raising of economic level, great changes have occurred in the diet structure and consumption idea of people, focus more on certainly
The health of body, and notice the relationship of diet structure and health.The generation of many diseases is all proved to and daily drink now
Food is related with diet structure, and discoloration is even more made us in the particularly generation of the zoonosis such as rabid ox disease, bird flu.Therefore, poultry
Industry must also should active production adapt to the required livestock products of the safe diet of people's modern healthy, this is animal husbandry sustainable development
The key point of exhibition.
The large-scale farming of poultry, constitution and health to poultry eliminate serious challenge, directly influence poultry product
Matter.In addition, after genetic engineering technology is applied to broiler chicken, Breeder hens, laying hen, while production performance is substantially increased, also make
Obtaining poultry individual becomes more fragile, becomes more susceptible to disease.The physical examinations of poultry are critically important, drastically influence the hair of poultry
Sick rate and the death rate also directly affect the benefit of enterprise.
Invention content
In order to solve the problems, such as background technology, the present invention provides a kind of chicken physical health detection method and
System, by the data detected, the preliminary physical health situation for differentiating chicken instructs the raising situation of chicken.
The technical solution adopted by the present invention to solve the technical problems is：
First, the physical health detection method of a kind of chicken：
The video during tested chicken freely falling body is acquired by high-speed camera, lower backwardness measures chicken with weighing instrument
Weight, while chicken age in days is recorded, the number of fluttering its wings up and down of chicken dropping process is therefrom extracted with image procossing, by chicken age in days, body
Weight, number of fluttering its wings up and down are matched together as effective characteristic parameters with chicken physical health model.
Tested chicken is soared aloft to fix by adjustment height frame, waits for 30s after chicken is stablized, electromagnetic door is opened and opens
It closes, chicken free-falling, lower backwardness measures chicken weight with weighing instrument, while records chicken age in days, is acquired with high-speed camera
The video of chicken dropping process.
The chicken soars aloft to be fixed on 1.5m height.
The method of the invention is specially：
1) video in first collecting sample chicken whereabouts experiment, lower backwardness is weighed, while records the age in days of each chicken：Using
Hungry 1,12,24,36,48 hour and not hungry chicken, chicken acquire chicken certainly by only free-falling with high-speed camera
By the video during falling bodies, the number of fluttering its wings up and down of each chicken dropping process is obtained with image procossing；
2) chicken physical health model is established：According to the chicken starvation time of acquisition, age in days, weight, fluttering its wings up and down counts into line
Property regression analysis and Logistic regression analyses, establish chicken physical health model and Logistic regression models；
3) video of tested chicken free-falling is acquired, lower backwardness weighs while records the age in days of chicken, at image
Reason obtains the number of fluttering its wings up and down of chicken dropping process, by the effective characteristic parameters age in days of acquisition, weight, flutter its wings up and down number and chicken physical health
Model is matched, and obtains the hungry degree of chicken, with the physical health of the hungry degree characterization chicken of chicken.
Described image processing obtains number of fluttering its wings up and down：
Establish background image：Using the average image of 5 frame preceding in video as background image B0；
Extract difference image：CCD camera is collected into chicken whereabouts image and background image B0 works are poor, takes its absolute value,
It obtains difference image D1, D2 ... Dn, n and represents the ordinal number of image；
Intercept difference image：Area-of-interest R1, R2 ... the Rn of rectangle is taken in difference image D1, D2 ... Dn, sense is emerging
Interesting region is determined by the relative position of CCD camera and device, and to area-of-interest R1, R2 ... Rn carry out the threshold value that threshold value is 50
Segmentation, the region that pixel value is 1 in image after segmentation is chicken region, and the region that pixel value is 0 is background area, then with size
Cellular construction body for 3 carries out opening operation, and finally deletion area is less than the region of 200 pixels, each image P1 after being handled,
P2……Pn；
Pass through the width in chicken region in connected region statistical method image P1, P2 ... the Pn that is calculated that treated
W1, W2 ... Wn, by width value W1, W2 ... Wn and its corresponding frame number 1,2 ... n respectively as ordinate, horizontal seat
Mark obtains change width curve, and curve values increase and decrease represents chicken and flutters its wings up and down process；
It counts finally by maximum in curve is obtained after five point Linear smoothing processings, the number of fluttering its wings up and down as chicken.
It is counted by calculating maximum after five point Linear smoothing processings, maximum points are the number of fluttering its wings up and down of chicken.
The chicken physical health model is obtained using linear regression analysis or Logistic regression analyses.
The chicken physical health model uses the following formula, the chicken physical health linear regression model (LRM) of expression：
Y=0.977x1-0.035x2-0.921x3+0.555
Wherein, y represents chicken starvation degree, and chicken physical health, x are characterized with the hungry degree of chicken1For chicken age in days, x2For
Chicken weight, x3It flutters its wings up and down number for chicken, the chicken physical health data finally obtained refer to chicken hunger intensity.When y is exported
When more than 1, y is bigger, and chicken starvation degree is higher, and physical health is poorer；When Y output be less than 1 when, represent chicken physical health compared with
It is good.
The chicken physical health model uses the chicken physical health Logistic regression models that the following formula represents：
Y=24.696x1-32.986x2-6.861x3+2.462
Wherein, y represents chicken normal (y=0) or hungry (y=1), x1For chicken age in days, x2For chicken weight, x3For chicken
It only flutters its wings up and down number.As y=1, chicken is 0 and 1 hour group of hungry raising, and physical health is excellent；As y=0, chicken is raised to be hungry
12,24,36,48 hours groups are supported, physical health is poor.
2nd, the physical health detecting system of a kind of chicken：
Including adjustment height frame, plank, placing groove, electromagnetic door, electromagnetism door switch and high-speed camera；Horizontal positioned
Plank is mounted on adjustment height frame, and a pair of of electromagnetic door, electromagnetic door connection electromagnetism door switch, by electromagnetic door are equipped among plank
Switch control is opened and closed, and the placing groove as chicken initial position is equipped on electromagnetic door, and the surface of electromagnetism door switch is equipped with a mirror
For head towards the high-speed camera of underface, frame side is equipped with the high-speed camera of another camera lens horizontally toward, high-speed camera
Shooting angle covers entire frame.
The adjustable height frame is built using aluminium alloy extrusions.
The height of the plank is adjusted by the threaded fastener on frame.
Specifically, the present invention selects the sample chicken of 1 age in days with a collection of hatching, stochastic averagina is divided into several groups of raisings,
Method for breeding carries out chicken whereabouts experiment and then is obtained effective characteristic parameters using hungry raising and normal raising.
The effective characteristic parameters are starvation time, flutter its wings up and down number, age in days, weight.
The chicken physical health model foundation of the present invention is mainly in the following ways：
A) chick of a collection of 1 age in days is selected to be grouped at random and carries out culture of brooding, respectively on the 7th, 15,23,31,39,45
Whereabouts experiment is carried out during age；
B) number of fluttering its wings up and down of chicken in experiment of falling is extracted using image procossing mode, lower backwardness weighs while records chicken
Age in days；
C) linear regression analysis and Logistic regression analyses are carried out to original characterize data by data analysis, establishes line
Property regression model and Logistic regression models；
D) analysis result according to characterize data and model establishes the physical health index of chicken.
What the present invention had has the advantages that：
1st, the system can be monitored the chicken for studying full growth course, be the constitution of agricultural facility in broiler breeding industry
The foundation of science is provided in terms of health detection；
2nd, by changing the hunger intensity of chicken, chicken physical health difference is distinguished；
3rd, present invention is mainly used for the physical healths of monitoring chicken.
Description of the drawings：
Fig. 1 is the flow chart of the method for the present invention.
Fig. 2 is the structure diagram of present system.
Fig. 3 be in the embodiment of the present invention 17 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 4 be in the embodiment of the present invention 1 15 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 5 be in the embodiment of the present invention 1 23 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 6 be in the embodiment of the present invention 1 31 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 7 be in the embodiment of the present invention 1 39 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 8 be in the embodiment of the present invention 1 47 age in days chickens flutter its wings up and down number and hunger intensity linear relationship schematic diagrames.
Fig. 9 is the linear relationship schematic diagram of 7 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
Figure 10 is the linear relationship schematic diagram of 15 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
Figure 11 is the linear relationship schematic diagram of 23 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
Figure 12 is the linear relationship schematic diagram of 31 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
Figure 13 is the linear relationship schematic diagram of 39 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
Figure 14 is the linear relationship schematic diagram of 47 age in days chicken weight and hunger intensity in the embodiment of the present invention 1.
In figure：1 frame, 2 planks, 3 placing grooves, 4 electromagnetic doors, 5 electromagnetism door switch, 6 high-speed cameras.
Specific embodiment：
The example of the present invention is illustrated below in conjunction with attached drawing.
As shown in Fig. 2, the detecting system of the present invention includes adjustment height frame 1, plank 2, placing groove 3, electromagnetic door 4, electricity
Magnetic gate switch 5 and high-speed camera 6；Horizontal positioned plank 2 is mounted on adjustment height frame 1, equipped with a pair among plank 2
Electromagnetic door 4, electromagnetic door 4 connect electromagnetism door switch 5, opening and closing are controlled by electromagnetism door switch 5, are equipped on electromagnetic door 4 and are risen as chicken
The placing groove 3 of beginning position, the surface of electromagnetic door 4 is equipped with high-speed camera 6 of the camera lens towards underface, 1 side of frame dress
There is the high-speed camera 6 of a camera lens horizontally toward.
The video camera 6 that side, the top of adjustment height frame 1 are respectively placed is fluttered its wings up and down for recording chicken dropping process and extracting
Number, 6 shooting visual angle of high-speed camera cover entire frame 1, can collect the picture of chicken free-falling whole process.
Adjustable height frame 1 is built using aluminium alloy extrusions.The height of plank 2 is by the screw threads for fastening on frame 1
Part is adjusted.
Electromagnetic door 4 is screwed on plank 2.Electromagnetism door switch 5 is a rotation button, for controlling electromagnetic door 4
Opening and closing.
The embodiment of the present invention and its implementation process are as follows：
Embodiment 1
The material of adjustable height frame 1 is aluminium alloy, and a long 60cm, width 60cm, height are built by 4 aluminium alloy extrusions
Spend the frame of 180cm.Frame roof puts 60cm × 60cm plank 2, by adjusting the position of plank come the height of control platform
Degree.The electromagnetic door 4 of a pair of of 20cm × 40cm is done in plank center, is controlled by electromagnetism door switch 5 and is controlled its opening.
1) effective characteristic parameters of first collecting sample chicken：Using 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days
With the chicken of 47 ages in days, and to the chicken of each age in days, using hungry 1,12,24,36,48 hour and not hungry place respectively
Reason.
To each chicken, sample chicken is soared aloft to be fixed in placing groove 3 with adjustment height frame 1, is limited with placing groove 3
After 30s samples chickens is waited for stablize, electromagnetic door is opened by electromagnetism door switch 5 for the action of chicken processed, chicken free-falling, under
Fall behind and measure chicken weight with weighing instrument, while record chicken age in days, during the acquisition chicken freely falling body of high-speed camera 6
Video, therefrom extract the number of fluttering its wings up and down that each chicken falls with image procossing, the two of area-of-interest rectangle in image procossing
A angle steel joint takes coordinate (100,160) and (600,360).
2) chicken physical health linear regression model (LRM) is established
First data are pre-processed, and data are normalized, to chicken starvation time, age in days, flutter its wings up and down number,
Weight carries out linear regression analysis.
The chicken for obtaining 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days and 47 ages in days flutters its wings up and down number with starvation time
It is smaller that linear relationship can be seen that the chicken of low age in days changes environment resistance as shown in Fig. 3~8, in figure respectively, during with starvation
Between increase flutter its wings up and down number continuously decrease；With the growth of chicken, chicken is more and more sensitive, and chicken resistance is fiercer in experiment of falling,
Number flutter its wings up and down in downward trend after first rising；The age in days chicken of 23 ages in days~47 number variation slopes of fluttering its wings up and down are less and less, illustrate with
The growth of chicken, the resistance that chicken changes environment are more and more stronger.
Obtain 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days and the chicken weight of 47 ages in days and the line of starvation time
Sexual intercourse can be seen that the growth with starvation time as shown in Fig. 9~14, in figure respectively, and chicken weight is lower and lower, chicken body
Weight is negatively correlated with starvation time.The coefficient of x (starvation time) is followed successively by -0.8017, -2.245, -4.2005, -6.737, -
8.2002nd, -10.469, absolute coefficient is incremented by successively, shows with the raising of chicken age in days, the hungry influence to chicken weight
It is increasing.
Chicken physical health linear regression model (LRM) is established by linear regression analysis, formula is：Y=0.977x1-
0.035x2-0.921x3+ 0.555, measure R2With verification R2All more than 0.81.Wherein y represents chicken starvation degree, with chicken
Hungry degree characterizes chicken physical health, x1For chicken age in days, x2For chicken weight, x3It flutters its wings up and down number for chicken；When y is exported more than 1
When, y is bigger, and chicken starvation degree is higher, and physical health is poorer；When y outputs are less than 1, represent that chicken physical health is preferable.
3) for being tested chicken, tested chicken is soared aloft to be fixed in placing groove 3 by adjustment height frame 1, waits for 30s chickens steady
After fixed, electromagnetic door 4, chicken free-falling are opened by electromagnetism door switch 5, lower backwardness measures chicken weight with weighing instrument, simultaneously
Chicken age in days is recorded, the video image of chicken dropping process is acquired with high-speed camera 6, chicken is therefrom extracted with image procossing
Then the number of fluttering its wings up and down of dropping process matches obtained chicken age in days, weight, number of fluttering its wings up and down with chicken physical health model.
By experimental test, the physical health situation of chicken can be effectively detected by present system.
Embodiment 2
The material of adjustable height frame 1 is aluminium alloy, and a long 60cm, width 60cm, height are built by 4 aluminium alloy extrusions
Spend the frame of 180cm.Frame roof puts 60cm × 60cm plank 2, by adjusting the position of plank come the height of control platform
Degree.The electromagnetic door 4 of a pair of of 20cm × 40cm is done in plank center, is controlled by electromagnetism door switch 5 and is controlled its opening.
1) effective characteristic parameters of first collecting sample chicken：Using 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days
With the chicken of 47 ages in days, and to the chicken of each age in days, using hungry 1,12,24,36,48 hour and not Nature enemy.
For each chicken, sample chicken is soared aloft to be fixed in placing groove 3 with adjustment height frame 1, is limited with placing groove 3
After 30s samples chickens is waited for stablize, electromagnetic door is opened by electromagnetism door switch 5 for the action of chicken processed, chicken free-falling, under
Fall behind and measure chicken weight with weighing instrument, while record chicken age in days, during the acquisition chicken freely falling body of high-speed camera 6
Video, the number of fluttering its wings up and down that respective chicken falls therefrom is extracted with image procossing.
2) chicken physical health Logistic regression models are established
First data are pre-processed, and data are normalized, to chicken starvation time, age in days, flutter its wings up and down number,
Weight carries out Logistic regression analyses.
The chicken for obtaining 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days and 47 ages in days flutters its wings up and down number with starvation time
It is smaller that linear relationship can be seen that the chicken of low age in days changes environment resistance as shown in Fig. 3~8, in figure respectively, during with starvation
Between increase flutter its wings up and down number continuously decrease；With the growth of chicken, chicken is more and more sensitive, and chicken resistance is fiercer in experiment of falling,
Number flutter its wings up and down in downward trend after first rising；The age in days chicken of 23 ages in days~47 number variation slopes of fluttering its wings up and down are less and less, illustrate with
The growth of chicken, the resistance that chicken changes environment are more and more stronger.
Obtain 7 ages in days, 15 ages in days, 23 ages in days, 31 ages in days, 39 ages in days and the chicken weight of 47 ages in days and the line of starvation time
Sexual intercourse can be seen that the growth with starvation time as shown in Fig. 9~14, in figure respectively, and chicken weight is lower and lower, chicken body
Weight is negatively correlated with starvation time.The coefficient of x (starvation time) is followed successively by -0.8017, -2.245, -4.2005, -6.737, -
8.2002nd, -10.469, absolute coefficient is incremented by successively, shows with the raising of chicken age in days, the hungry influence to chicken weight
It is increasing.
Chicken physical health Logistic regression models are established by Logistic regression analyses, formula is：Y=
24.696x1-32.986x2-6.861x3+2.462.Wherein y represents chicken normal (y=0) or hungry (y=1), x1For chicken day
Age, x2For chicken weight, x3It flutters its wings up and down number for chicken.By the Logistic models established for " normal " chicken and " starvation " chicken
Differentiation only, using probability of happening P=0.5 as classification thresholds, it is 84% to obtain classification accuracy rate, illustrates model for " normal " chicken
Only and the differentiation of " starvation " chicken is functional.As y=1, chicken is 0 and 1 hour group of hungry raising, and physical health is excellent；
As y=0, chicken is 12,24,36,48 hours groups of hungry raising, and physical health is poor.
3) for being tested chicken, tested chicken is soared aloft to be fixed in placing groove 3 by adjustment height frame 1, and 30s chickens is waited for stablize
Afterwards, electromagnetic door 4, chicken free-falling are opened by electromagnetism door switch 5, lower backwardness measures chicken weight with weighing instrument, remembers simultaneously
Chicken age in days is recorded, the video image of chicken dropping process is acquired with high-speed camera 6, is therefrom extracted under chicken with image procossing
The number of fluttering its wings up and down of process is fallen, then matches obtained chicken age in days, weight, number of fluttering its wings up and down with chicken physical health model.
It can be seen that the present invention can the full growth course of study on monitoring chicken, obtain the physical health of chicken and difference feelings
Condition, the physical health context of detection for agricultural facility in broiler breeding industry provide the foundation of science.
Claims (5)
1. a kind of physical health detection method of chicken, it is characterised in that：Tested chicken is acquired by high-speed camera freely to fall
Video during body, lower backwardness measures chicken weight with weighing instrument, while records chicken age in days, is therefrom carried with image procossing
The number of fluttering its wings up and down of chicken dropping process is taken, chicken age in days, weight, number of fluttering its wings up and down are good for together as effective characteristic parameters and chicken constitution
Health model is matched；
The method is specially：
1) image of first collecting sample chicken and effective characteristic parameters are obtained：It is using hungry 1,12,24,36,48 hour and not hungry
Its respective number of fluttering its wings up and down is obtained after hungry chicken, repeated acquisition image and processing；
2) chicken physical health model is established：According to acquisition flutter its wings up and down number with chicken age in days, chicken weight, chicken starvation time into
Row dependent linearity analyzes and processes, and obtains chicken physical health linear model；
3) it acquires the image of tested chicken and is matched after obtaining its effective characteristic parameters with chicken physical health model, obtain chicken
Physical health data；
Described image processing obtain chicken dropping process number of fluttering its wings up and down be specially：
Establish background image：Using the average image of 5 frame preceding in video as background image B0；
Extract difference image：CCD camera is collected into chicken whereabouts image and background image B0 works are poor, its absolute value is taken, obtains
Difference image D1, D2 ... Dn, n represent the ordinal number of image；
Intercept difference image：Rectangle is taken in difference image D1, D2 ... Dn makees area-of-interest R1, R2 ... Rn, emerging to feeling
Interesting region R1, R2 ... Rn carry out the Threshold segmentation that threshold value is 50, and the region that pixel value is 1 in image after segmentation is chicken area
Domain, the region that pixel value is 0 are background area, then carry out opening operation by 3 cellular construction body of size, and it is small finally to delete area
In the region of 200 pixels, each image P1, P2 ... Pn after being handled；
By the width W1 in chicken region in connected region statistical method image P1, P2 ... the Pn that is calculated that treated,
W2 ... Wn obtain width value W1, W2 ... Wn and its corresponding frame number 1,2 ... n respectively as ordinate, abscissa
Change width curve, curve values increase and decrease represent chicken and flutter its wings up and down process；
It counts finally by maximum in curve is obtained after five point Linear smoothing processings, the number of fluttering its wings up and down as chicken.
2. a kind of physical health detection method of chicken according to claim 1, it is characterised in that：
Tested chicken is soared aloft to fix by adjustment height frame, 30s is waited for open electromagnetism door switch, chicken after chicken is stablized
Free-falling, lower backwardness measures chicken weight with weighing instrument, while records chicken age in days, is acquired under chicken with high-speed camera
Fall the video of process.
3. a kind of physical health detection method of chicken according to claim 1, it is characterised in that：The chicken constitution
Health model is obtained using linear regression analysis and Logistic regression analyses.
4. the physical health detection method of a kind of chicken according to claim 1 or 3, it is characterised in that the method is specific
For：
The chicken physical health model uses the chicken physical health linear regression model (LRM) that the following formula represents：
Y=0.977x1-0.035x2-0.921x3+0.555
Wherein, y represents chicken starvation degree, and chicken physical health, x are characterized with the hungry degree of chicken1For chicken age in days, x2For chicken
Weight, x3It flutters its wings up and down number for chicken.
5. the physical health detection method of a kind of chicken according to claim 1 or 3, it is characterised in that the method is specific
For：
The chicken physical health model uses the chicken physical health Logistic regression models that the following formula represents：
Y=24.696x1-32.986x2-6.861x3+2.462
Wherein, y represents chicken normal (y=0) or hungry (y=1), x1For chicken age in days, x2For chicken weight, x3It shakes for chicken
Wing number.
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| CN107049234A (en) * | 2016-11-23 | 2017-08-18 | 北海高创电子信息孵化器有限公司 | A kind of broiler chicken disease surveillance device |
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