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A Multi-view Data Subspace Clustering Method

A clustering method and subspace technology, applied in other database clustering/classification, other database retrieval, instruments, etc., can solve the problem of not fully utilizing the self-expression model gain, and achieve the effect of improving clustering performance

Active Publication Date: 2021-08-17
北京格物博图科技有限公司
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AI Technical Summary

Problems solved by technology

[0005] However, the current multi-view data clustering methods usually only consider the low-rank or sparse constraints on the similarity matrix, and do not make full use of the gains of the two constraints on the self-representation model.

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  • A Multi-view Data Subspace Clustering Method
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  • A Multi-view Data Subspace Clustering Method

Examples

Experimental program
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Embodiment Construction

[0016] Such as figure 1 As shown, this multi-view data subspace clustering method, the method includes the following steps:

[0017] (1) Add low-rank representation constraints to the multi-view data subspace clustering method;

[0018] (2) Add sparse representation constraints to the method of multi-view data subspace clustering;

[0019] (3) Construct a specific form of clustering similarity matrix through a forward and backward cascade.

[0020] The present invention unifies the low-rank constraint and the sparse constraint into an optimization model, and realizes the mining of the overall and local characteristics of the data through a cascaded step, so it can fully reveal the structural information of the multi-view data and improve the quality of the image. Clustering performance.

[0021] Preferably, in the step (1), the low-rank representation constraint of the multi-view data subspace clustering method is expressed as formula (5):

[0022]

[0023] in known a...

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Abstract

A multi-view data subspace clustering method is disclosed, which can fully reveal the structural information of the multi-view data and improve the clustering performance of images. This multi-view data subspace clustering method comprises the following steps: (1) adding low-rank representation constraints in the multi-view data subspace clustering method; (2) adding a multi-view data subspace clustering method Add sparse representation constraints in ; (3) Construct a specific form of clustering similarity matrix through a cascade before and after.

Description

technical field [0001] The invention relates to the technical field of image classification, in particular to a multi-view data subspace clustering method. Background technique [0002] With the rapid development of science and technology, the ways of obtaining data are more diversified. Massive text, image, audio and video data play an important role in all aspects of people's lives. The analysis and processing of large-scale data is increasingly important in scientific research. domain occupies a pivotal position. The high complexity of data content leads to increased data dimensions, and a lot of data can be observed from different sources or described by various types of features. For example, surveillance videos can obtain information on the same location from different angles, and images can use different features. Description (such as local binary features, texture features, spatial envelope features, etc.). In fact, these data can be regarded as signals observed by...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/906G06K9/62
CPCG06F16/906G06F18/23
Inventor 胡永利孙道治孙艳丰尹宝才
Owner 北京格物博图科技有限公司
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