利用神经网络的全局优化方法训练人工神经网络

IF 2.5 4区 计算机科学 Q3 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE Ai Magazine Pub Date : 2023-07-20 DOI:10.3390/ai4030027
I. Tsoulos, Alexandros T. Tzallas
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引用次数: 0

摘要

也许最著名的机器学习模型之一是人工神经网络,其中必须调整许多参数才能从物理,化学,医学等领域学习广泛的实际问题。这些问题可以简化为模式识别问题,然后从人工神经网络建模,无论这些问题是分类问题还是回归问题。为了实现神经网络的目标,必须使用一些全局优化方法,通过适当调整神经网络的参数来训练神经网络。在这项工作中,建议应用一种最新的全局最小化技术来调整神经网络参数。在这种技术中,使用人工神经网络创建要最小化的目标函数的近似值,然后从近似值而不是原始函数中进行采样。因此,在目前的工作中,人工神经网络的参数学习是利用其他神经网络来完成的。在一系列已知问题上对该方法进行了测试,并与其他神经网络参数整定技术进行了对比研究,结果令人满意。从进行实验并将所提出的技术与其他用于分类数据集和回归数据集的技术进行比较后所看到的情况来看,所提出的技术的性能存在显着差异,从分类数据集的30%开始,回归问题达到50%。然而,所提出的技术,因为它以使用涉及人工神经网络的全局优化技术为前提,可能需要比其他技术更高的执行时间。
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Training Artificial Neural Networks Using a Global Optimization Method That Utilizes Neural Networks
Perhaps one of the best-known machine learning models is the artificial neural network, where a number of parameters must be adjusted to learn a wide range of practical problems from areas such as physics, chemistry, medicine, etc. Such problems can be reduced to pattern recognition problems and then modeled from artificial neural networks, whether these problems are classification problems or regression problems. To achieve the goal of neural networks, they must be trained by appropriately adjusting their parameters using some global optimization methods. In this work, the application of a recent global minimization technique is suggested for the adjustment of neural network parameters. In this technique, an approximation of the objective function to be minimized is created using artificial neural networks and then sampling is performed from the approximation function and not the original one. Therefore, in the present work, learning of the parameters of artificial neural networks is performed using other neural networks. The new training method was tested on a series of well-known problems, a comparative study was conducted against other neural network parameter tuning techniques, and the results were more than promising. From what was seen after performing the experiments and comparing the proposed technique with others that have been used for classification datasets as well as regression datasets, there was a significant difference in the performance of the proposed technique, starting with 30% for classification datasets and reaching 50% for regression problems. However, the proposed technique, because it presupposes the use of global optimization techniques involving artificial neural networks, may require significantly higher execution time than other techniques.
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来源期刊
Ai Magazine
Ai Magazine 工程技术-计算机:人工智能
CiteScore
3.90
自引率
11.10%
发文量
61
审稿时长
>12 weeks
期刊介绍: AI Magazine publishes original articles that are reasonably self-contained and aimed at a broad spectrum of the AI community. Technical content should be kept to a minimum. In general, the magazine does not publish articles that have been published elsewhere in whole or in part. The magazine welcomes the contribution of articles on the theory and practice of AI as well as general survey articles, tutorial articles on timely topics, conference or symposia or workshop reports, and timely columns on topics of interest to AI scientists.
期刊最新文献
Issue Information AI fairness in practice: Paradigm, challenges, and prospects Toward the confident deployment of real-world reinforcement learning agents Towards robust visual understanding: A paradigm shift in computer vision from recognition to reasoning Efficient and robust sequential decision making algorithms
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