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Multi-view enhanced image clustering method

An image clustering, multi-view technology, applied in instruments, character and pattern recognition, computer parts and other directions, can solve the problem of cluster edge fuzzification, ignore the correlation between multi-view data and cluster centers, etc., to improve performance, The effect of improving feature learning and improving performance

Pending Publication Date: 2021-11-05
DALIAN UNIV OF TECH
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Problems solved by technology

[0004] Although current multi-view clustering methods use deep generative models to capture complementary information between multiple views and achieve good clustering results, the existing multi-view clustering methods only consider the inherent properties of multi-view data and ignore It improves the correlation between multi-view data and cluster centers, and makes the edges of clusters gradually blurred.

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Embodiment Construction

[0017] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0018] figure 1 This is the frame diagram of the multi-view enhanced image clustering method of the present invention. First, the high-dimensional features of the original data V perspectives are dimensionally reduced by the deep auto-encoder, and the potential low-dimensional features of each perspective are obtained. Secondly, a multi-view fusion feature network is used to fuse the potential low-dimensional features of V viewpoints to generate multi-view fusion features, which combine the consistent and complementary information of each viewpoint. Then, the K-means method is used to mine the cluster centroids of the multi-view data as the cluster prototype, and the corresponding Bernoulli unit is constructed for it, which is used to save the clustering information in the iterative optimization process and complete the initialization of the clusterin...

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Abstract

The invention provides a multi-view enhanced image clustering method, which belongs to the field of image clustering and enhanced learning, and comprises the following steps: 1) pre-training an independent feature extraction network of each view, and initializing a potential feature space of each view; 2) pre-training a multi-view feature fusion network, and initializing a fusion feature space of each view; 3) using a K-means method to initialize a clustering environment, and allocating Bernoulli units to clustering prototypes in the environment; 4) distributing random rewards in real time by using an online reward strategy, and dynamically updating Bernoulli units in the environment; and 5) updating parameters, iteratively optimizing the clustering prototype until a convergence condition is met, and completing a multi-view enhanced clustering process. According to the invention, the online reward strategy is combined with the learning fusion representation and adjustment cluster, the complementary information between the view angles and the interaction information between the sample and the clustering prototype are fully used in the clustering analysis process, and the clustering performance is effectively improved.

Description

technical field [0001] The invention belongs to the field of image clustering and reinforcement learning, and relates to a multi-view enhanced image clustering method. Background technique [0002] With the widespread application of technologies such as network information and e-commerce, human beings have more and more ways to obtain data and information, more and more data can be collected, more and more complex data structures, and higher data dimensions. Multi-view image data usually comes from different fields of data objects or measurement results from multiple angles, and contains rich complementary information, which can effectively enhance the effect of data analysis. Complementary information in perspective data is difficult to fully utilize. Therefore, it is urgent to study a new method to deeply mine the complementary information between massive multi-view image data. [0003] Clustering is an important data analysis and processing technology in the field of ma...

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Application Information

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IPC IPC(8): G06K9/62
CPCG06F18/23213G06F18/253
Inventor 高静刘晨欣金珊陈志奎李朋
Owner DALIAN UNIV OF TECH
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