نتایج جستجو برای: control chart pattern recognition neural network statistical feature

تعداد نتایج: 2953518  

Journal: :Computers & Industrial Engineering 2009
Lian Ding Jason Matthews

In recent years, collaborative research between academia and industry has intensified in finding a successful approach to take the information from a computer generated drawings of products such as casting dies, and produce optimal manufacturing process plans. Core to this process is feature recognition. Artificial neural networks have a proven track record in pattern recognition and there abil...

2007
Christoph Neukirchen Gerhard Rigoll

This paper deals with the problem of combination of Neural Networks (NN) and traditional statistical pattern classiiers. It is shown that a Neural Network can be used to replace the vector quantizer (VQ) and some feature extraction and feature reduction modules in a discrete pattern recognition system. A criterion for training the NN-weights and the classiier jointly is derived, leading to the ...

اسد آبادی, آذر, بهرامپور, عباس, حقدوست, علی اکبر,

  Background and Objectives : recent years, considerable attention has been paid to statistical models for classification of medical data according to various diseases and their outcomes. Artificial neural networks have been successfully used for pattern recognition and prediction since they are not based on prior assumptions in clinical studies. This study compared two statistical models, arti...

Journal: :نشریه دانشکده فنی 0
سید محمد تقی فاطمی قمی سید علی لسانی احمد کوچک زاده

neural networks because of their abilities are used to patterns recognition. in statistical process control charts, a common cause variation distort expected form of unnatural patterns and so detection of assignable causes efficiently and precisely in a real-time is difficult. therefore it would be logical to propose models based neural networks for recognition and analysis of patterns in proce...

Journal: :JSW 2011
Shanxiao Yang Guangying Yang

This paper compares the emotional pattern recognition method between standard BP neural network classifier and BP neural network classifier improved by the L-M algorithm. Then we compare the method Support Vector Machine (SVM) to them. Experiment analyzes wavelet transform of surface Electromyography (EMG) to extract the maximum and minimum wavelet coefficients of multi-scale firstly. We then i...

2015

Because of the difficulty of modeling the traffic conditions on a roadway network, little has been achieved to date in area control using dynamic traffic volume. The most commonly practiced method for timing control of area signals that takes into account traffic volume changes is time-interval-dependent control. This type of control strategy assumes that the traffic volume on each roadway of a...

Journal: :Expert Syst. Appl. 2002
James R. Nolan

Classification learning systems are useful in many domain areas. One problem with the development of these systems is feature noise. Learning from examples classification methods from statistical pattern recognition, machine learning, and connectionist theory are applied to synthetic data sets possessing a known percentage of feature noise. Linear discriminant analysis, the C5.0 tree classifica...

2008
Amr Ahmed Kai Yu Wei Xu Yihong Gong Eric P. Xing

Building visual recognition models that adapt across different domains is a challenging task for computer vision. While feature-learning machines in the form of hierarchial feed-forward models (e.g., convolutional neural networks) showed promise in this direction, they are still difficult to train especially when few training examples are available. In this paper, we present a framework for tra...

Journal: :Mathematics 2022

The application of statistical methods to monitor a process is critical ensure its stability. Statistical control aims detect and identify abnormal patterns that disrupt the natural behaviour process. Most studies in literature are focused on recognising single patterns. However, many industrial processes, more than one unusual chart pattern may appear simultaneously, i.e., concurrent (CCP). Th...

Ahmad Kouchak Zadeh Seyyed Ali Lesani Seyyed Mohammad Taghi Fatemi Ghomi

Neural networks because of their abilities are used to patterns recognition. In statistical process control charts, a common cause variation distort expected form of unnatural patterns and so detection of assignable causes efficiently and precisely in a real-time is difficult. Therefore it would be logical to propose models based neural networks for recognition and analysis of patterns in proce...

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