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A self-paced-cooperative training and learning method for character relabeling

A technology for collaborative training and learning methods, applied in the field of multi-view semi-supervised learning models, which can solve problems such as lack of model interpretation, and achieve the effect of robust learning, easy to understand, and efficient learning

Inactive Publication Date: 2021-11-16
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, it is very important for a machine learning method to have a machine learning optimization model that can explain its essence, which is also one of the basic three elements of machine learning (i.e., training data, decision function, performance measure or optimization objective) , while the traditional collaborative training methods basically lack a perfect model explanation

Method used

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  • A self-paced-cooperative training and learning method for character relabeling
  • A self-paced-cooperative training and learning method for character relabeling
  • A self-paced-cooperative training and learning method for character relabeling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Table 1 is an explanatory table for six groups of text data.

[0080] Table 1: Experimental data of Example 1

[0081]

[0082]

[0083] The six text data sets shown in Table 1 are used as the experimental objects of the present invention, and all samples are manually divided into two fields of view. Each dataset has two categories whose structural characteristics are illustrated in Table 1.

[0084] Table 2 is the accuracy table for classification using seven semi-supervised methods including the present invention on six groups of text data.

[0085]

[0086]

[0087] see figure 1 , step S1: read the text data, for the first data set in Table 1, select 2 respectively from positive samples and negative samples k , 3.2 k samples are labeled samples, and the remaining samples are unlabeled samples. For the second, third, and fourth data sets in Table 1, select 2 for the positive and negative classes respectively k , 6.2 k samples are labeled samples. F...

Embodiment 2

[0137] Table 3 is the accuracy table of Person re-Identification using three multi-view semi-supervised methods including the invention on the Market-1501 dataset.

[0138]

[0139] In this example, the Market-1501 dataset is used for the Person re-identification task. Personre-ID refers to such a task, for a person captured by a camera, it is necessary to determine whether the person is captured in other cameras. The Market-1501 dataset includes 32668 photos of 1501 individuals. Each person's photo is captured by a maximum of six cameras and a minimum of two cameras. Here, 12936 cropped photos containing 751 people are selected as the training data set, and 19732 cropped photos containing 750 people are selected as the test data set.

[0140] Next, feature extraction is performed on the training data and test data sets. In order to obtain different features, different networks such as caffenet, Googlenet, and Vggnet are used here. The features extracted by different net...

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Abstract

A self-paced-cooperative training-learning approach. First, obtain data from two fields of view of the target problem, including a small amount of labeled data and a large amount of unlabeled data, and initialize the model; establish corresponding optimization goals on the two fields of view; embed the self- step regularization term to achieve robust learning in this field of view; associate two fields of view through a regularization term; obtain a multi-view semi-supervised self-paced-cooperative training model with embedded robust learning mechanism and model interpretation; apply a small number of fields in the target field Labeled data and a large amount of unlabeled data and a semi-supervised multi-view learning model can obtain high-quality annotations of unlabeled data, and at the same time, a reliable learner under two views can be obtained. The invention aims to provide a robust learning model with a "replacement" mode for the traditional cooperative training algorithm, so that the data lacking labels in the target field can be labeled more accurately and with high quality.

Description

technical field [0001] The invention relates to a multi-view semi-supervised learning model and method, in particular to a novel self-paced-cooperative training model and learning method. Background technique [0002] There are a lot of real-time data on the Internet, such as news, pictures, videos, etc., but most of these data only have vague descriptions of events, and some even have no labeled information at all. When we want to perform query or classification tasks, in traditional machine learning algorithms, this part of unlabeled information or weakly labeled data is basically not used, resulting in a large loss of available information. This type of data is characterized by a large amount of unlabeled data and limited labeled data available. Therefore, how to mine information in unlabeled data has become a technology that has emerged in the field of machine learning in recent years. On the premise of making full use of labeled data, extract information from unlabele...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06N20/00G06K9/62
CPCG06N20/00G06F18/24
Inventor 孟德宇谢琦马凡李梓娜赵谦
Owner XI AN JIAOTONG UNIV
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