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Random vector functional link network: Recent developments, applications, and future directions
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DOI：10.1016/j.asoc.2023.110377.png)
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摘要
En 中文
Neural networks have been successfully employed in various domains such as classification, regression and clustering, etc. Generally, the back propagation (BP) based iterative approaches are used to train the neural networks, however, it results in the issues of local minima, sensitivity to learning rate and slow convergence. To overcome these issues, randomization based neural networks such as random vector functional link (RVFL) network have been proposed. RVFL model has several characteristics such as fast training speed, direct links, simple architecture, and universal approximation capability, that make it a viable randomized neural network. This article presents the first comprehensive review of the evolution of RVFL model, which can serve as the extensive summary for the beginners as well as practitioners. We discuss the shallow RVFLs, ensemble RVFLs, deep RVFLs and ensemble deep RVFL models. The variations, improvements and applications of RVFL models are discussed in detail. Moreover, we discuss the different hyperparameter optimization techniques followed in the literature to improve the generalization performance of the RVFL model. Finally, we present potential future research directions/opportunities that can inspire the researchers to improve the RVFL's architecture and learning algorithm further.& COPY; 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Keyword:
Random vector functional link (RVFL) network
Ensemble learning
Deep learning
Ensemble deep learning
Randomized neural networks (RNNs)
Single hidden layer feed forward neural network (SLFN)
Extreme learning machine (ELM
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期刊
IF:
6.6
论文数:
1.4W
被引数:
4.8W
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