A complex gaussian fuzzy numbers-based multisource information fusion for pattern classification
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Date
2024
Authors
Zhang, S.
Yin, M.
Xiao, F.
Cao, Z.
Pelusi, D.
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IEEE transactions on fuzzy systems, 2024; 32(2-s2.0-85188005039):3247-3259
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Uncertainty modeling and reasoning in intelligent systems are crucial for effective decision-making, such as complex evidence theory (CET) being particularly promising in dynamic information processing. Within CET, the complex basic belief assignment (CBBA) can model uncertainty accurately, while the complex rule of combination can effectively reason uncertainty with multiple sources of information, reaching a consensus.However, determining CBBA, as the key component of CET,remains an open issue. To mitigate this issue, we propose a novel method for generating CBBA using high-level features extracted from Box-cox transformation and discrete Fourier transform (DFT). Specifically, our method deploys complex Gaussian fuzzy number (CGFN) to generate CBBA, which provides a more accurate representation of information. The proposed method is applied to pattern classification tasks through a multisource information fusion algorithm, and it is compared with several well-known methods to demonstrate its effectiveness.Experimental results indicate that our proposed CGFN-based method outperforms existing methods, by achieving the highest average classification rate in multisource information fusion for pattern classification tasks. We found the Box-cox transformation contributes significantly to CGFN by formatting data in a normal distribution, and DFT can effectively extract high-level features.Our method offers a practical approach for generating CBBA in CET, precisely representing uncertainty and enhancing decision making in uncertain scenarios.
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Copyright 2024 IEEE
Access Condition Notes: Accepted manuscript is available open access