نتایج جستجو برای: extreme learning machines elm

تعداد نتایج: 734092  

2016
Derya Avci Akif Dogantekin

Parkinson disease is a major public health problem all around the world. This paper proposes an expert disease diagnosis system for Parkinson disease based on genetic algorithm- (GA-) wavelet kernel- (WK-) Extreme Learning Machines (ELM). The classifier used in this paper is single layer neural network (SLNN) and it is trained by the ELM learning method. The Parkinson disease datasets are obtai...

2016
Maciej Lawrynczuk

This work details development of dynamic neural models of a yeast fermentation chemical reactor using Extreme Learning Machines (ELM). The ELM approach calculates very efficiently, without nonlinear optimisation, dynamic models, but only in the non-recurrent serial-parallel configuration. It is shown that in the case of the considered benchmark the ELM technique gives models which are also quit...

Journal: :Neurocomputing 2006
Fei Han De-Shuang Huang

In this letter, a class of improved extreme learning machines (ELM) encoding a priori information is proposed to obtain better generalization performance and much faster convergence rate for function approximation. According to Fourier series expansion theory, the hidden neurons activation functions in the improved ELM are sine and cosine functions. In addition, the improved ELM analytically de...

2016
Ananda L. Freire Ajalmar R. da Rocha Neto

In recent years, the interest in the study of outlier robustness properties in Extreme Learning Machines (ELM) has grown. Most of the published works uses a more robust estimation method than the commonly adopted ordinary least squares. Nevertheless, the ELM network offers other challenges that also influence its robustness properties, such as the number of hidden neurons and the computational ...

Journal: :Neurocomputing 2011
Yoan Miché Mark van Heeswijk Patrick Bas Olli Simula Amaury Lendasse

In this paper an improvement of the optimally pruned extreme learning machine (OP-ELM) in the form of a L2 regularization penalty applied within the OP-ELM is proposed. The OP-ELM originally proposes a wrapper methodology around the extreme learning machine (ELM) meant to reduce the sensitivity of the ELM to irrelevant variables and obtain more parsimonious models thanks to neuron pruning. The ...

Journal: :Journal of bioinformatics and computational biology 2012
Zeehasham Rasheed Huzefa Rangwala

Next-generation sequencing technologies have allowed researchers to determine the collective genomes of microbial communities co-existing within diverse ecological environments. Varying species abundance, length and complexities within different communities, coupled with discovery of new species makes the problem of taxonomic assignment to short DNA sequence reads extremely challenging. We have...

2006
Dianhui Wang Paul C. Conilione

This paper explores the application of feature selection by the Correlation based Feature Selection (CFS) algorithm on the problem of classification of E.coli promoters using neural networks, Support Vector Machines (SVM) and Extreme Learning Machines (ELM). It was found that even though in general the classification accuracy can be reduced by a statistically significant amount, in real terms t...

Journal: :Neurocomputing 2016
Vijay Manikandan Janakiraman XuanLong Nguyen Dennis Assanis

We propose and develop SG-ELM, a stable online learning algorithm based on stochastic gradients and Extreme Learning Machines (ELM). We propose SG-ELM particularly for systems that are required to be stable during learning; i.e., the estimated model parameters remain bounded during learning. We use a Lyapunov approach to prove both asymptotic stability of estimation error and boundedness in the...

2014
Euler Guimarães Horta Antônio de Pádua Braga

We propose in this paper a new active learning method that makes no considerations about the data distribution and does not need to adjust any free parameter. The proposed algorithm is based on extreme learning machines (ELM) and a perceptron with analytical calculation of weights. We show that the proposed model have good results using a reduced set of patterns.

2017
Musatafa Abbas Abbood Albadr Sabrina Tiun

Feedforward neural networks (FFNN) have been utilised for various research in machine learning and they have gained a significantly wide acceptance. However, it was recently noted that the feedforward neural network has been functioning slower than needed. As a result, it has created critical bottlenecks among its applications. Extreme Learning Machines (ELM) were suggested as alternative learn...

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