Multi-source heterogeneous data fusion method based on deep subspace switching ensemble learning

A multi-source heterogeneous data and integrated learning technology, applied in the direction of instruments, computing, character and pattern recognition, etc., can solve the problems of classification accuracy bottleneck and difficulty in continuous improvement, and achieve the purpose of increasing useful samples, improving quality, improving diversity and divisibility effect

Active Publication Date: 2018-12-11
CHONGQING UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology uses multiple scale space data from different sources combined with an ensemble method for better understanding complex systems such as biological networks or gene expression patterns that are important factors affecting their performance. It can improve both accuracy and efficiency by combining these techniques together without sacrificing any specific details about each other's components.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving traditional methodologies used for analyzing spectra that rely on pixels' spectral content alone but neglects important space related characteristics like location and depth within each frame (spatial structures).

Method used

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  • Multi-source heterogeneous data fusion method based on deep subspace switching ensemble learning
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  • Multi-source heterogeneous data fusion method based on deep subspace switching ensemble learning

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Embodiment Construction

[0023] Embodiments of the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only examples, rather than limiting the protection scope of the present invention.

[0024] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0025] This embodiment uses the Indian Pines data set and the University of Pavia data set to verify the effect of the present invention respectively. Randomly select training samples. In order to avoid unnecessary bias, randomly select training samples and test samples, and repeat the classification experiment 10 times. And use accuracy rate (OA), average accuracy rate (AA) and ka...

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Abstract

The invention discloses a multi-source heterogeneous data fusion method based on deep subspace switching integrated learning, which is carried out according to the following steps: S1, respectively extracting features of each source data set and composing spatial spectrum features; S2, carrying out recombination to form a spatial spectrum characteristic data set; S3, processing the sample data inthe spatial spectrum characteristic data set based on a deep sample learn algorithm to form an original sample, a first-order sample and a second-order sample; S4, respectively constructing a classifier model for the three groups of sample sets; S5, classifying the three groups of models by appropriate classification methods to obtain three groups of classification results, and then getting the final classification results by classification voting. The invention combines spectral space information and incorporates layered subspace switching ensemble learning algorithm, utilizes multi-scale spatial spectrum samples, increases useful samples, improves training quality, retains edge information, and improves diversity and separability of samples.

Description

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Claims

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Application Information

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Owner CHONGQING UNIV
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