Imbalanced Data Classification for Multi-Source Heterogenous Sensor Networks

Wei Wang

doi:10.1109/ACCESS.2020.2966324

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Imbalanced Data Classification for Multi-Source Heterogenous Sensor Networks

2020-01-01

DOI：10.1109/ACCESS.2020.2966324

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Abstract

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Most of the traditional classification algorithms are based on the uniform distribution of samples, and the effect is not ideal when dealing with such data, which mainly shows that the classification results incline to the majority class. Therefore, we propose the imbalanced multi-source heterogeneous data classification algorithms in this paper, which are mainly based on the expansion and extension of Support Vector Machines. Considering that there are complex connections within multi-source data, express them as a unified, concise and efficient mathematical model can completely retain data information and improve data processing efficiency. We perform tensor representation and feature extraction on the heterogeneous data, and two different classification algorithms are proposed in this paper. In the first method, we represent multi-source heterogeneous data into a unified tensor form directly and obtain a high-quality core data through dimensionality reduction algorithm, then realize data classification by Support Tensor Machine. In the other method, we extract data from different data sources and classify them with Ensemble Deep Support Vector Machine (DSVM), which combined three DSVM with different kernel functions. The algorithms are compared on CUAVE data set, which contains two different modalities of sound and picture.

Keywords:

Heterogeneous sensor network

imbalanced data

ensemble deep support vector machine

support tensors machine

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