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https://hdl.handle.net/2440/120140
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Type: | Conference paper |
Title: | Regularized training of the extreme learning machine using the conjugate gradient method |
Author: | De Chazal, P. McDonnell, M.D. |
Citation: | Proceedings of International Joint Conference on Neural Networks, 2017, vol.2017-May, pp.1802-1808 |
Publisher: | IEEE |
Issue Date: | 2017 |
Series/Report no.: | IEEE International Joint Conference on Neural Networks (IJCNN) |
ISBN: | 9781509061822 |
ISSN: | 2161-4393 2161-4407 |
Conference Name: | International Joint Conference on Neural Networks (IJCNN) (14 May 2017 - 19 May 2017 : Anchorage, AK) |
Statement of Responsibility: | Philip de Chazal, Mark D. McDonnell |
Abstract: | We describe a new algorithm providing regularized training of the extreme learning machine (ELM) that uses a modified conjugate gradient (CG) method to determine the network hidden to output weights. The CG method is modified to include a validation set performance calculation at each iteration step. The solution is initialized to zero and during the CG iterations, we monitor the validation set error. When the error begins to rise we terminate the CG algorithm. The operations per iteration is O(P2), where P is the number of output weights, which is significantly faster than the O(P3) operations per iteration required by ridge regression regularization methods. We demonstrate the effectiveness of our method by classifying the MNIST database and achieve an accuracy of 99.2% using an ELM classifier processing the unmodified pixel values. |
Keywords: | Cholesky; conjugate gradient method; early stopping; Extreme Learning Machine; regularization; QR; SVD |
Rights: | © 2017 Crown |
DOI: | 10.1109/IJCNN.2017.7966069 |
Grant ID: | http://purl.org/au-research/grants/arc/FT110101098 |
Published version: | http://dx.doi.org/10.1109/ijcnn.2017.7966069 |
Appears in Collections: | Aurora harvest 4 Electrical and Electronic Engineering publications |
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