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Wyszukujesz frazę "neural" wg kryterium: Temat


Tytuł:
Object classification with artificial neural networks : A comparative analysis
Autorzy:
Domeradzki, Kornel
Niewiadomski, Artur
Tematy:
object classification
neural networks
convolutional neural networks
residual neural networks
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Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Powiązania:
https://bibliotekanauki.pl/articles/1819259.pdf  Link otwiera się w nowym oknie
Opis:
Object classification is a problem which has attracted a lot of research attention in recent years. Traditional approach to this problem is built on a shallow trainable architecture that was meant to detect handcrafted features. That approach works poorly and introduces many complications in situations where one is to work with more than a couple types of objects in an image with a large resolution. That is why in the past few years convolutional and residual neural networks have experienced a tremendous rise in popularity. In this paper, we provide a review on topics related to artificial neural networks and a brief overview of our research. Our review begins with a short introduction to the topic of computer vision. Afterwards we cover briefly the concepts of neural networks, convolutional and residual neural networks and their commonly used models. Then we provide a comparative performance analysis of the previously mentioned models in a binary and multi-label classification problem. Finally, multiple conclusions are drawn, which are to serve as guidelines for future computer vision systems implementations.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
To recognize the manuscript texts of Arabic letters in ancient Uzbek script
Autorzy:
Nurmamatovna, Iskandarova Sayyora
Tematy:
Arabic text
Hemming
biologic neural
method
neural model
neural scheme
recognize
software product
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Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Powiązania:
https://bibliotekanauki.pl/articles/1076553.pdf  Link otwiera się w nowym oknie
Opis:
This article describes the Hemming method of the neural model for automatic identification of Arabic texts on the computer. The main problem of recognizing manuscript mantles in Arabic is that of the elements that they have created. Usually, the text is divided into rows, and then separated by separate words. The development of the Arabic language signifies a great deal of controversy over Arabic language. Hemming is based on the neuronal model and the description of the software product.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Information Technology of Stock Indexes Forecasting on the Base of Fuzzy Neural Networks
Autorzy:
Tryus, Y.
Antipova, N.
Zhuravel, K.
Zaspa, G.
Tematy:
neural networks
fuzzy neural networks
forecasting
stock indexes
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Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Powiązania:
https://bibliotekanauki.pl/articles/118277.pdf  Link otwiera się w nowym oknie
Opis:
In this research the information technology for stock indexes forecast on the base of fuzzy neural networks was created. The possibility of its use for multi-parameter short-time stock indexes forecasts, in particular S&P500, DJ, NASDAC was checked. The created information technology is used making several consequential steps. The stock indexes forecast numeral experiment based on real data for period of several years with use of the technology offered was made.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise quantization simulation analysis of optical convolutional networks
Autorzy:
Zhang, Ye
Zhang, Saining
Zhang, Danni
Su, Yanmei
Yi, Junkai
Wang, Pengfei
Wang, Ruiting
Luo, Guangzhen
Zhou, Xuliang
Pan, Jiaoqing
Tematy:
optical neural network
convolutional neural network
noise
quantization
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Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Powiązania:
https://bibliotekanauki.pl/articles/27310111.pdf  Link otwiera się w nowym oknie
Opis:
Optical neural network (ONN) has been regarded as one of the most prospective techniques in the future, due to its high-speed and low power cost. However, the realization of optical convolutional neural network (CNN) in non-ideal cases still remains a big challenge. In this paper, we propose an optical convolutional networks system for classification problems by applying general matrix multiply (GEMM) technology. The results show that under the influence of noise, this system still has good performance with low TOP-1 and TOP-5 error rates of 44.26% and 14.51% for ImageNet. We also propose a quantization model of CNN. The noise quantization model reaches a sufficient prediction accuracy of about 96% for MNIST handwritten dataset.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The neural modelling in chosen task of Electric Power Stock Market
Autorzy:
Ruciński, D.
Tematy:
neural modelling
neural network
electric power stock market
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Wydawca:
Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Powiązania:
https://bibliotekanauki.pl/articles/92914.pdf  Link otwiera się w nowym oknie
Opis:
The work contains selected results of the neural modelling for the Electric Power Exchange (EPE) for the Day Ahead Market (DAM). The paper contains description of the neural modelling method, the way of preparing (pre-processing) data used for leaning of Artificial Neural Network (ANN), description of achieved neural models of EPE, the comparative study results and the sensitivity study results. The results which was obtained was interpreted and discussed in the systemic category.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Membership function - ARTMAP neural networks
Autorzy:
Sinčák, P.
Hric, M.
Vaščák, J.
Tematy:
pattern recognition principles
classifier design
classification accuracy assessment
contingency tables
backpropagation neural networks
fuzzy BP neural networks
ART and ARTMAP neural networks
modular neural networks
neural networks
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Wydawca:
Politechnika Gdańska
Powiązania:
https://bibliotekanauki.pl/articles/1931570.pdf  Link otwiera się w nowym oknie
Opis:
The project deals with the application of computational intelligence (CI) tools for multispectral image classification. Pattern Recognition scheme is a global approach where the classification part is playing an important role to achieve the highest classification accuracy. Multispectral images are data mainly used in remote sensing and this kind of classification is very difficult to assess the accuracy of classification results. There is a feedback problem in adjusting the parts of pattern recognition scheme. Precise classification accuracy assessment is almost impossible to obtain, being an extremely laborious procedure. The paper presents simple neural networks for multispectral image classification, ARTMAP-like neural networks as more sophisticated tools for classification, and a modular approach to achieve the highest classification accuracy of multispectral images. There is a strong link to advances in computer technology, which gives much better conditions for modelling more sophisticated classifiers for multispectral images.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The recognition of partially occluded objects with support vector machines, convolutional neural networks and deep belief networks
Autorzy:
Chu, J. L.
Krzyżak, A.
Tematy:
neural networks
belief networks
convolutional neural networks
artificial neural networks
Deep Belief Network
generative model
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Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Powiązania:
https://bibliotekanauki.pl/articles/91650.pdf  Link otwiera się w nowym oknie
Opis:
Biologically inspired artificial neural networks have been widely used for machine learning tasks such as object recognition. Deep architectures, such as the Convolutional Neural Network, and the Deep Belief Network have recently been implemented successfully for object recognition tasks. We conduct experiments to test the hypothesis that certain primarily generative models such as the Deep Belief Network should perform better on the occluded object recognition task than purely discriminative models such as Convolutional Neural Networks and Support Vector Machines. When the generative models are run in a partially discriminative manner, the data does not support the hypothesis. It is also found that the implementation of Gaussian visible units in a Deep Belief Network trained on occluded image data allows it to also learn to effectively classify non-occluded images.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An arma type pi-sigma artificial neural network for nonlinear time series forecasting
Autorzy:
Akdeniz, E.
Egrioglu, E.
Bas, E.
Yolcu, U.
Tematy:
high order artificial neural networks
pi-sigma neural network, forecasting
recurrent neural network
particle swarm optimization (PSO)
Pokaż więcej
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Powiązania:
https://bibliotekanauki.pl/articles/91816.pdf  Link otwiera się w nowym oknie
Opis:
Real-life time series have complex and non-linear structures. Artificial Neural Networks have been frequently used in the literature to analyze non-linear time series. High order artificial neural networks, in view of other artificial neural network types, are more adaptable to the data because of their expandable model order. In this paper, a new recurrent architecture for Pi-Sigma artificial neural networks is proposed. A learning algorithm based on particle swarm optimization is also used as a tool for the training of the proposed neural network. The proposed new high order artificial neural network is applied to three real life time series data and also a simulation study is performed for Istanbul Stock Exchange data set.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automatic Fault Classification for Journal Bearings Using ANN and DNN
Autorzy:
Narendiranath Babu, T.
Aravind, A.
Rakesh, A.
Jahzan, M.
Rama Prabha, D.
Ramalinga Viswanathan, M.
Tematy:
journal bearing
fault classification
artificial neural networks
deep neural networks
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/177579.pdf  Link otwiera się w nowym oknie
Opis:
Journal bearings are the most common type of bearings in which a shaft freely rotates in a metallic sleeve. They find a lot of applications in industry, especially where extremely high loads are involved. Proper analysis of the various bearing faults and predicting the modes of failure beforehand are Essentials to increase the working life of the bearing. In the current study, the vibration data of a journal Bering in the healthy condition and in five different fault conditions are collected. A feature extraction metod is employed to classify the different fault conditions. Automatic fault classification is performed using artificial neural networks (ANN). As the probability of a correct prediction goes down for a higher number of faults in ANN, the method is made more robust by incorporating deep neural networks (DNN) with the help of autoencoders. Training was done using the scaled conjugate gradient algorithm and the performance was calculated by the cross entropy method. Due to the increased number of hidden layers in DNN, it is possible to achieve a high efficiency of 100% with the feature extraction method.
Dostawca treści:
Biblioteka Nauki
Artykuł

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