CN110532926A - Pig neurogenic disease intelligence Forecasting Method based on deep learning - Google Patents

Pig neurogenic disease intelligence Forecasting Method based on deep learning Download PDF

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Publication number
CN110532926A
CN110532926A CN201910783813.5A CN201910783813A CN110532926A CN 110532926 A CN110532926 A CN 110532926A CN 201910783813 A CN201910783813 A CN 201910783813A CN 110532926 A CN110532926 A CN 110532926A
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China
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pig
gait
point
deep learning
neurogenic disease
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吴燕
李娜
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Jiangsu Polytechnic College of Agriculture and Forestry
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Jiangsu Polytechnic College of Agriculture and Forestry
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06NCOMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00Computing arrangements based on biological models
    • G06N3/02Neural networks
    • G06N3/04Architecture, e.g. interconnection topology
    • G06N3/045Combinations of networks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06NCOMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00Computing arrangements based on biological models
    • G06N3/02Neural networks
    • G06N3/08Learning methods
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • G06V10/44Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H30/00ICT specially adapted for the handling or processing of medical images
    • G16H30/20ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS

Abstract

The invention discloses a kind of pig neurogenic disease intelligence Forecasting Method based on deep learning, pig normal walking and crippled video sample are acquired first, extract a series of single-frame images and complete objective contour, key point by extracting pig body profile constructs triangle skeleton model, according to model extraction gait angle information, realize the Synchronous fluorimetry of feature selecting and gait parameter, the gait information after optimization is allocated as training pattern and test model finally by test platform, final detection platform is obtained after cross validation.The present invention can fast and accurately determine that the incoordination of pig neurogenic disease early stage pig body, gait such as wave, tremble at the illnesss using the method for non-contact detecting and diagnosis.

Description

Pig neurogenic disease intelligence Forecasting Method based on deep learning
Technical field
The present invention relates to video image processing and nerual network technique method, in particular to a kind of pig based on deep learning Neurogenic disease intelligence Forecasting Method.
Background technique
At this stage, the scale level of China's pig raising is greatly improved.But since technology and cost limit The problems such as, infectiousness schweineseuche disease occurs often.If can infectiousness schweineseuche disease early stage it is carried out timely and effectively every From treatment, it will greatly reduce the loss caused by pig aquaculture.5th (2018) large scale of pig farm new technology world discussion Communication and discussion can have been carried out with regard to large-scale pig farm disease prevention technology, wherein Hua Zhong Agriculture University Chen Huanchun academician is in China pig The thought of " pipe overweight feeding, support and overweight anti-, anti-overweight is controlled " is proposed in sick prevalence situation and prevention and control policy report.It is how effective Raising scale livestock farming management, establish effective pig disease intelligent early-warning mechanism, it has also become China establishes large scale of pig farm Field focus on research direction.Typically several causes of disease include: porcine pseudorabies, bowel oedema disease, pig transmissible brain to pig neurogenic disease Myelitis, pig brain myocarditis, listerellosis etc..The clinical symptoms of the above pig neurogenic disease have following common ground: mutual aid Imbalance, gait are waved, are trembled, and the death rate is high, viral infection.If epidemic disease early stage cannot control the isolation of sick pig as early as possible Treatment processing, epidemic situation will rapidly spread expansion, cause biggish economic loss to pig aquaculture.In existing swine rearing condition Under, there will be biggish difficulty in actual production using artificial observation and the method for Countable manual: firstly, observer needs It is chronically in the environment of pigsty, is easy to generate the health of human body large effect, and staff's labour is strong It spends larger.Secondly, influenced by certain subjective factors, the erroneous judgement of observed result and omit there is also it is larger a possibility that. Main counter-measure is to slaughter sick pig, the movement of limitation animal and limitation meat listing at present, and this kind of solution is not only The basic living of the mankind can be had an impact, but also will cause heavy losses economically.
Currently, the artificial intelligence technology of new generation with big data, cloud computing, machine learning etc. for representative enters acceleration hair In the stage of exhibition, the new focus of international competition is had become, development will change human society life deeply.Now develop with artificial intelligence Energy technology is that the reading intelligent agriculture of core has become the inevitable direction of China's agricultural innovation development.In recent years, pattern-recognition, expert system System and artificial neural network (neural network, NN) are widely used in agricultural pest prediction, and achieve Success.Wherein deep learning is research field more popular in machine learning.Compared with many machine learning methods, depth Practising from complicated image and largely to divide with stronger data without learning effective characteristic of division in label complex data automatically Class identify sum number it is predicted that ability, and it is many it is complicated, have and interior achieve successful application in terms of performance characteristic study.
Summary of the invention
Goal of the invention: the present invention provides a kind of methods using non-contact detecting and diagnosis, that is, may recognize that pig nerve Property disease early stage pig body incoordination, gait waves, the illnesss such as tremble, and realizes the pig based on deep learning of pig neurogenic disease Neurogenic disease intelligence measuring and reporting system.
Technical solution: steps are as follows for a kind of pig neurogenic disease intelligence measuring and reporting system based on deep learning:
(1) video sample required for acquisition is tested, including pig normal walking and crippled video;In target video image It is middle to extract a series of single-frame images, and extract complete objective contour.
(2) by drawing profile center & periphery point distance Curve, pig body profile key point is extracted, by by key profile Point is connected with profile central point constructs triangle skeleton model.
(3) according to the triangle skeleton model having had been built up, gait angle information is extracted, using packaged type feature selecting Method realizes the Synchronous fluorimetry of feature selecting and gait parameter.
(4) test platform is designed using the RPN network structure under Open Framework caffe, by the gait after characteristic optimization Information is allocated as training pattern and test model, and cross validation obtains final detection platform.
Further, the implementation method in the step 1 is as follows:
(1) a series of single-frame images is extracted to target video image, gray processing is carried out to target image pig.
(2) to image gaussian filtering, the gaussian coefficient put to each in template is carried out using two-dimensional Gaussian function formula It calculates, final dimensional Gaussian template is obtained by normalization.
(3) difference Gx and Gy both horizontally and vertically are calculated using edge difference operator Sobel, obtains gradient-norm and side To.
(4) non-maxima suppression finds pixel local maximum.
(5) selection of dual threshold, Canny algorithm distinguish edge pixel using a high threshold and a Low threshold.Such as Fruit edge pixel point gradient value is greater than high threshold, then is considered as strong edge point.If edge gradient value is less than high threshold, it is greater than Low threshold is then labeled as weak marginal point.Point less than Low threshold is then suppressed.
(6) hysteresis bounds track, accurate as a result, caused weak edge caused by removal noise or color change to obtain Point.
Further, the two-dimensional Gaussian function formula are as follows:
Further, test platform is designed using the RPN network structure under Open Framework caffe, after characteristic optimization Gait information 85% be used as data source, input the test platform for training pattern;Remaining 15% gait information is as survey Die trial type recycles 5 times altogether, and cross validation obtains final detection platform, by the detection model having had built up, as observing and predicting mesh Logo image instability of gait, incoordination, the symptoms such as tremble realize that pig neurogenic disease intelligently observes and predicts.
The utility model has the advantages that compared with prior art, the present invention has following remarkable result: the present invention is in deep learning application technology On the basis of, pig gait parameter is extracted by building skeleton pattern, using the angle statistical nature of skeleton pattern, in deep learning frame Pre-training model is designed on the basis of structure, obtains Optimized model after trained and test, realizes that pig neurogenic disease intelligently observes and predicts.
Detailed description of the invention
Fig. 1 is the Establishing process block diagram of test and training pattern;
Fig. 2 is that profile center & periphery point distance calculates schematic diagram;
Fig. 3 is profile center & periphery point distance Curve figure;
Fig. 4 is triangle skeleton model schematic;
The angle that Fig. 5 is ∠ AOB counts part exemplary diagram.
Specific embodiment
As shown in Figs. 1-5, pig neurogenic disease illness Image Acquisition, processing and big data set building.Acquisition experiment Required video sample, including pig normal walking and crippled video;A series of single frames is extracted in target video image Image carries out gray processing to target image, and then to image gaussian filtering, the realization of image gaussian filtering can directly pass through one Convolution of a two-dimensional Gaussian kernel is realized, that is, two-dimensional convolution template, two-dimensional Gaussian function formula are as follows:The gaussian coefficient that each in template is put can be calculated by above formula, then again by returning One mode changed obtains final dimensional Gaussian template.Difference both horizontally and vertically is calculated using edge difference operator Sobel Divide Gx and Gy, obtains gradient-norm and direction.By non-maxima suppression, pixel local maximum is found.The selection of dual threshold, Canny algorithm distinguishes edge pixel using a high threshold and a Low threshold.If edge pixel point gradient value is greater than height Threshold value is then considered as strong edge point.If edge gradient value is less than high threshold, it is greater than Low threshold, then is labeled as weak marginal point, Point less than Low threshold is then suppressed, hysteresis bounds tracking, accurate as a result, drawing caused by noise or color change to obtain The weak marginal point risen should remove, and weak marginal point caused by usual true edge is connected to strong edge point, and is drawn by noise Rise weak marginal point then will not, finally obtain objective contour.Seek the central point (x of objective contourc,yc) are as follows:
It is wherein marginal point sum, (xi,yi) it is a certain marginal point;Pass through profile up contour point marginal point (xi,yi) seek Central point (xc,yc).The forelimb C hind leg D that obtains nose A, root of the tail B from center-marginal point distance Curve and can be detected, To obtain triangle skeleton model.Extract gait angle character ∠ AOB.For the certainty for verifying data of the present invention, experiment is led to The acquisition research to multiple groups different monitoring video data is crossed to differentiate the ∠ AOB of pig normal walking and crippled walking, the above acquisition Angle statistical information as the present invention in training data set.Calculate the change of the ∠ AOB angle of successive objective frame Change.
It is by the acquisition to multiple groups different monitoring video data that pig nerve disease, which early diagnoses deep learning model construction, Study the ∠ AOB to differentiate pig normal walking and crippled walking.By obtaining pre- to the training of training dataset convolutional neural networks It surveys disaggregated model and brings test data set into simultaneously, obtain prediction result.
The early diagnosis of pig neurogenic disease and intelligent measuring and reporting system build be with the pig neurogenic disease different onset cause of disease and Image large data sets carry out model training as image sample data collection under different phase of falling ill, and building machine learning model is explored The recognition methods of common pig neurogenic disease.Based on sample image data collection, image segmentation and mesh based on deep learning are studied Detection algorithm is marked, pig neurogenic disease identification feature and rule are summarized, carries out pig nerve using depth convolutional neural networks model Property disease identification, establish take into account accuracy rate and immediately detection demand pig neurogenic disease diagnosis prediction model.
By machine learning, model training is carried out using angle statistical picture large data sets as image sample data collection.Benefit Test platform is designed with the RPN network structure under Open Framework caffe, regard the gait information 85% after characteristic optimization as number According to source, the test platform is inputted for training pattern;Remaining 15% gait information recycles 5 times altogether as test model, intersects Verifying obtains final detection platform, and by the detection model having had built up, as target image instability of gait is observed and predicted, mutual aid is lost It adjusts, the symptoms such as tremble, realizes that pig neurogenic disease intelligently observes and predicts.Finally, being built on the basis of previous experiments research in pig house Detection device builds the early warning of pig neurogenic disease and diagnostic system.

Claims (5)

1. a kind of pig neurogenic disease intelligence Forecasting Method based on deep learning, it is characterised in that: steps are as follows:
(1) video sample required for acquisition is tested, including pig normal walking and crippled video;It is mentioned in target video image A series of single-frame images is taken, and extracts complete objective contour;
(2) by draw profile center & periphery point distance Curve, extract pig body profile key point, by by key profile point with Profile central point, which is connected, constructs triangle skeleton model;
(3) according to the triangle skeleton model having had been built up, gait angle information is extracted, using packaged type feature selecting side Method realizes the Synchronous fluorimetry of feature selecting and gait parameter;
(4) test platform is designed using the RPN network structure under Open Framework caffe, by the gait information after characteristic optimization It is allocated as training pattern and test model, cross validation obtains final detection platform.
2. the pig neurogenic disease intelligence Forecasting Method according to claim 1 based on deep learning, it is characterised in that: institute Implementation method in the step 1 stated are as follows: a series of single-frame images is extracted to target video image, gray scale is carried out to target image Change, gaussian filtering obtains dimensional Gaussian template, calculates difference Gx both horizontally and vertically using edge difference operator Sobel And Gy, gradient-norm and direction are obtained, by Canny edge detection algorithm, obtains objective contour.
3. the pig neurogenic disease intelligence Forecasting Method according to claim 1 based on deep learning, it is characterised in that: institute Point (the x at the profile center of target in the step 2 statedc,yc) are as follows:
Wherein NbFor marginal point sum, (xi,yi) it is a certain marginal point;Draw center & periphery point distance Curve are as follows: in pig body wheel Exterior feature, which is taken up an official post, takes a marginal point (xi,yi) it is used as starting point, and calculate marginal point (xi,yi) and center (xc,yc) distance, i.e., in The heart-marginal point distance;Setting by the way that the upper cut-off frequency of low-pass filter is arranged can be from center-marginal point distance Curve The forelimb C hind leg D that obtains nose A, root of the tail B and can be detected, to obtain triangle skeleton model.
4. the pig neurogenic disease intelligence Forecasting Method according to claim 1 based on deep learning, it is characterised in that: institute Gait angle information obtains detailed process in the step 3 stated are as follows: the ∠ AOB of normal walking and crippled walking, with the angle of acquisition Statistical information is training data set.
5. the pig neurogenic disease intelligence Forecasting Method according to claim 1 based on deep learning, it is characterised in that: institute Gait information 85% in the step 4 stated after characteristic optimization is used as data source, inputs the test platform for training pattern;It is surplus Under 15% gait information as test model, recycle 5 times altogether.
CN201910783813.5A 2019-10-09 2019-10-09 Pig neurogenic disease intelligence Forecasting Method based on deep learning Pending CN110532926A (en)

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Publication number Priority date Publication date Assignee Title
CN112150506A (en) * 2020-09-27 2020-12-29 成都睿畜电子科技有限公司 Target state detection method, device, medium and electronic equipment
CN112401834A (en) * 2020-10-19 2021-02-26 南方科技大学 Movement-obstructing disease diagnosis device
CN112434577A (en) * 2020-11-12 2021-03-02 中国农业大学 Milk cow lameness detection method and milk cow lameness detection device

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112150506A (en) * 2020-09-27 2020-12-29 成都睿畜电子科技有限公司 Target state detection method, device, medium and electronic equipment
CN112401834A (en) * 2020-10-19 2021-02-26 南方科技大学 Movement-obstructing disease diagnosis device
CN112434577A (en) * 2020-11-12 2021-03-02 中国农业大学 Milk cow lameness detection method and milk cow lameness detection device
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