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Cow Individual Recognition Method Based on Deep Convolutional Neural Network

A convolutional neural network and neural network technology, applied in neural learning methods, biological neural network models, character and pattern recognition, etc., can solve the problems of low recognition accuracy of cows and insufficient use of cows

Inactive Publication Date: 2020-01-21
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a cow individual recognition method based on a deep convolutional neural network, which is a method of extracting features from a convolutional neural network in deep learning and combining texture features of a cow to realize effective recognition of a cow individual. It overcomes the defect that the existing algorithm for processing dairy cow images using image processing technology is single, and does not make full use of the stripe characteristics of cows themselves to combine well with image processing and pattern recognition technology, resulting in low cow recognition accuracy.

Method used

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  • Cow Individual Recognition Method Based on Deep Convolutional Neural Network
  • Cow Individual Recognition Method Based on Deep Convolutional Neural Network
  • Cow Individual Recognition Method Based on Deep Convolutional Neural Network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] The first step, the collection of cow data:

[0073] Using camera equipment, collect videos of 20 cows walking from a small dairy farm in Yi County, Dingzhou, Hebei Province during the period of 7:00-18:00 without fog and haze. The collection starts when all individual cows appear on the left side of the field of view. , continue to collect cows walking to the right edge of the field of view as a video segment, and remove the video that contains cows pause and abnormal behavior, each cow has 8 videos, each video is about 14s, and the frame rate is 60fps, as the experimental data , use the optical flow method to extract the cow torso image from the input cow video data to form an image data set, each cow has its own image data set, and randomly classify all the obtained image data sets to form a training set and a test set , so far the collection of cow data is completed;

[0074] The second step is to preprocess the training set and test set:

[0075] Through the caff...

Embodiment 2

[0118] Others are the same as in Embodiment 1 except that the cow torso image is extracted from the input cow video data using the frame difference method.

Embodiment 3

[0120] Test the performance of a convolutional neural network:

[0121] Use the test picture to test the network, and use the calculation formula (6) to calculate the probability that the cows belong to different individuals,

[0122]

[0123] Among them, m is the individual serial number of the cow, m=1,...,20, choose the maximum value c m , then the cow belongs to the mth individual.

[0124] Algorithm experiments were carried out on the data sets of the 10th, 15th and 20th dairy cows, and the experimental results are shown in Table 1.

[0125] Table 1. Recognition accuracy (%) of the two algorithms

[0126]

[0127] The data in Table 1 shows that the present embodiment tests the recognition accuracy of the 10th, 15th and 20th milk cow data sets respectively, and the recognition results of the method of the present invention are respectively 94.3%, 97.1%, 95.6%, and the average result 95.7%, these results are higher than the SIFT algorithm, about 6.7% higher than th...

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Abstract

The present invention is based on a cow individual recognition method based on a deep convolutional neural network, which relates to an image recognition method in image data processing, and is a method that uses deep learning to extract features from a convolutional neural network and combines texture features of cows to realize effective recognition of cows The method comprises the steps of: collecting dairy cow data; preprocessing a training set and a test set; designing a convolutional neural network; training the convolutional neural network; generating a recognition model; The method of the present invention overcomes the singleness of the existing algorithm for processing cow images by using image processing technology, and does not make full use of the stripe characteristics of cows themselves to combine well with image processing and pattern recognition technology, resulting in low recognition accuracy of cows Defects.

Description

technical field [0001] The technical solution of the present invention relates to an image recognition method in image data processing, in particular to a cow individual recognition method based on a deep convolutional neural network. Background technique [0002] At present, my country has basically formed a high-density and centralized dairy farming system, but there are still many problems such as low milk quality, low production efficiency and high cost. The main reason is that it relies too much on labor-intensive and extensive operations, the level of automation in the production process is low, and the accuracy and pertinence of disposal in each production link are obviously insufficient. For example, at present, the dairy industry in my country still generally adopts artificial observation feeding method, which is limited by the number of breeders and technical professional quality, which not only seriously restricts the efficiency of milk production, but also increa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62G06K9/00G06N3/08
CPCG06N3/082G06N3/084G06V20/40G06V20/46G06F18/24G06F18/214A01K11/006
Inventor 张满囤徐明权于洋郭迎春阎刚单新媛米娜于明
Owner HEBEI UNIV OF TECH
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