Bacteria classification with an electronic nose employing artificial neural networks

by Mark Antony Craven

Publisher: typescript in [s.l.]

Written in English
Published: Pages: 285 Downloads: 83
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Edition Notes

Thesis (Ph.D.) - University of Warwick, 1997.

StatementMark Antony Craven.
The Physical Object
Number of Pages285
ID Numbers
Open LibraryOL22426916M

Artificial Neural Networks Part 11 Stephen Lucci, PhD Page 11 of 19 € € Autoassociative Nets l For an autoassociative net, the training input and target output vectors are identical. l The process of training is often called storing the vectors, which may be binary or bipolar. electronic nose Daqi Gao, Jiuming Ji, Jiayu Gong et al.-Non-destructive banana ripeness determination using a neural network-basedelectronic nose Eduard Llobet, Evor L Hines, Julian W Gardner et al.-Fault tolerant architecture for artificial olfactory system Nasser Lotfivand, Mohd Nizar Hamidon and Vida Abdolzadeh-Recent citations. To overcome these limitations, the intelligent diagnostic system using artificial neural network (ANN) has been proposed as an alternate way to give an early detection and also to classify the types of ACL injuries. We have used BP ANN and k-NN for the classification purpose. The electronic nose is composed of a chemical sensing system (such as a spectrometer) and an artificial neural network, which recognizes certain patterns of chemicals. An odor is passed over the chemical sensor array, these chemicals are then translated into a format that the computer can understand, and the artificial neural network identifies.

function neural networks [10], adaptive resonance theory [11], self-organizing networks [12] and the combination of fuzzy concept and neural networks [13] have been applied to odor/gas classification ANN is based on the cognitive process of the human brain [14,15]. The sensing systems based on metal oxide sensors (MOS).   Artificial neural networks are a computational tool, based on the properties of biological neural systems. Neural networks excel in a number of problem areas where conventional von Neumann computer systems have traditionally been slow and inefficient. This book is going to discuss the creation and use of artificial neural networks. Artificial neural networks (ANNs), usually simply called neural networks (NNs), are computing systems vaguely inspired by the biological neural networks that constitute animal brains.. An ANN is based on a collection of connected units or nodes called artificial neurons, which loosely model the neurons in a biological brain. Each connection, like the synapses in a biological brain, can. Neural Networks are the most efficient way (yes, you read it right) to solve real-world problems in Artificial Intelligence. Currently, it is also one of the much extensively researched areas in computer science that a new form of Neural Network would have been developed while you .

Artificial neural networks is included in the JEL classification codes as JEL: C Wikimedia Commons has media related to Artificial neural networks: This category are for articles about artificial neural networks (ANN). Subcategories. This category has the following 2 subcategories, out of 2 total. The simplest definition of a neural network, particularly referred to as an 'artificial' neural network (ANN), is provided by the inventor of one of the first neurocomputers, Dr. Robert Hecht-Nielsen who defines a neural network as follows: " a computing system made up of a number of simple, highly interconnected processing elements, which. R. Rojas: Neural Networks, Springer-Verlag, Berlin, 1 The Biological Paradigm Neural computation Research in the field of neural networks has been attracting increasing atten-tion in recent years. Since , when Warren McCulloch and Walter Pitts presented the first model of artificial neurons, new and more sophisticated. electronic nose, it is necessary that an array of sensors with partially overlapping sensitivities be implemented. Sensors that are specific to one compound are not only weighting, artificial neural networks, cluster analysis, and discriminant function analysis. Principal component analysis, feature weighting, and artificial neural network.

Bacteria classification with an electronic nose employing artificial neural networks by Mark Antony Craven Download PDF EPUB FB2

ENT Bacteria classification using a neural network based Cyranose electronic nose Ritaban Dutta§,r§, Evor L. Hines§ § School of Engineering, University of Warwick, Coventry, CV4 7AL, United Kingdom. E-mail: @ Summary An electronic nose (e-nose), the Cyrano Sciences’ Cyranose (see Fig.1).

A major area of interest was the use of artificial neural networks classifiers. There were three main objectives. First, to classify successfully a small range of bacteria types.

Second, to identify issues relating to bacteria odour that affect the ability of an artificially intelligent system to classify bacteria from odour by: 4.

Bacteria classification with an electronic nose employing artificial neural networks. By Mark Antony Craven. Get PDF (73 MB) Abstract. This PhD thesis describes research for a medical application of electronic nose technology.\ud There is a need at present for early detection of bacterial infection in order to\ud improve treatment.

Author: Mark Antony Craven. Bacteria classification with an electronic nose employing artificial neural networks Author: Craven, Mark Antony ISNI: Awarding Body: University of Warwick Current Institution: University of Warwick Date of Award: Cited by: 4.

Bacteria classification with an electronic nose employing artificial neural networks Tools Ideate RDF+XML BibTeX RIOXX2 XML RDF+N-Triples JSON Dublin Core Atom Simple Metadata Refer METS HTML Citation ASCII Citation OpenURL ContextObject EndNote MODS OpenURL ContextObject in Span MPEG DIDL EP3 XML Reference Manager NEEO RDF+N3 Eprints.

Bacteria classification with an electronic nose employing artificial neural networks. By M.A. Craven. Abstract. Available from British Library Document Supply Centre-DSC:DXN / BLDSC - British Library Document Supply CentreSIGLEGBUnited Kingdo. This paper is concerned with a new construction of an electronic nose system based on a neural network.

The neural network used here is a competitive neural network by the learning vector quantization (LVQ). Various smells are measured with an array of many metal oxide gas sensors. The electronic nose can be developed to provide a simple and fast method for quality classification of grain and is likely to find applications also in other areas of food mycology.

Eisevier Science B.V. Keywords: Off-odours; Electronic nose; Artificial neural network 1. A 38 layers deep convolutional neural network (DCNN) is also demonstrated effective to classify different kinds of gases after training. When the sensor drift exists, the classification performance in e‐nose even can be improved based on deep learning method.

However, deep learning methods depend on the hardware performance and lots. Keywords: Electronic nose; Medical diagnostics; Neural network 1.

Introduction Electronic noses e-noses have been used to analyse. the complex odorous headspace of food and drink — mainly employing metal oxide or conducting polymer resistive gas sensors as shown in Table 1. The table summarises some of the reported applications of e-noses.

Inspired by the tremendous achievements made by convolutional neural networks in the field of computer vision, the LeNet-5 was adopted and improved for a sensor array based electronic nose. Electronic Nose for Odor Classification of Grains.

The sensor signals were evaluated with a pattern-recognition software program based on artificial neural networks. The samples were divided. M. Craven, Bacteria classification with an electronic nose employing artificial neural networks, PhD thesis, University of Warwick, UK, Google Scholar [17].

ARTIFICIAL NEURAL NETWORKS FOR E-NOSE 1. lak, 2. mar ABSTRACT: Neural networks have seen an explosion of interest over the last few years. The primary appeal of neural networks is their ability to emulate the brain's pattern-recognition skills.

The sweeping success of neural networks can be attributed to some key factors. Thirty two sensor readings of the E-nose are used as the inputs of the artificial neural network. The experimental results show that the proposed technique, employing feed forward artificial neural network defined by architecture and trained via Levenberg-Marquardt back propagation (LMBP) algorithm, successfully grade the Agarwood with a.

function neural network for the determination of wheat quality from electronic nose data. Sensors and Actuators B: Chemi Gates, K,W., Rapid Detection and Characterization of Foodborne Pathogens by Molecular Techniques. Journal of Aquatic Food Product Technol Haugen, J.E., & Kvaal, K., electronic computers, or even artificial neural networks.

These artificial neural networks try to replicate only the most basic elements of this complicated, versatile, and powerful organism. They do it in a primitive way. But for the software engineer who is trying to solve problems, neural computing was never about replicating human brains.

It is. Siripatrawan U, Linz JE, Harte BR () Detection of Escherichia coli in packaged alfalfa sprouts with an electronic nose and an artificial neural network. J Food Prot – J Food Prot – Probablistic Neural Network(PNN) and Radial Basis Function Network(RBF).

The analysis was highly successful. Application Two: Smoke Detection and differentiation using electronic nose. The inspiration after reading several papers about the development of artificial olfactory sensing system encourages us to make our own artificial nose.

An electronic nose comprising an array of six commercial odour sensors has been used to monitor not only different strains, but also the growth phase, of cyanobacteria which is normally called blue green algal. A series of experiments were carried out to analyse the nature of two closely related strains of cyanobacteria, Microcystis aeruginosa PCC that produces a toxin and PCC that.

The main sensory system used by humans to sense flavor is olfaction; therefore if the flavor of a particular substance is to be characterized, the use of smell can often provide us with suitable information [].In order to understand the operation of an “electronic nose” we must first analyse what is involved in “smelling” and therefore what constitutes a “smell”, i.e., an odor.

Gastronomy practice has become major attraction in tourism also promote food importation globally. So, controlling bacterial contamination to comply biosecurity regulations is one of imperative task for quarantine services. However detection method of bacteria causing food poisoning is laborious.

Electronic nose technology has ability to recognise volatile compounds (VOCs) emitted by. This is achieved through neural signal representation of odor information from millions of receptor neurons and the use of specialized biological neural networks enabling classification of odors in real time [1,2,3].

In order to emulate these processing and sensing capabilities, artificial olfactory systems, also known as electronic noses (e.

Most of the work has focused on artificial neural networks, genetic algorithms, fuzzy logic, neurofuzzy systems and genetic programming. Typical application areas include, inter alia, intelligent sensors such as the electronic nose, medicine, non-destructive testing, computer vision, and telecommunications.

He has co-authored in excess of   This chapter describes and explains in detail the electronic noses (e-noses) as devices composed of an array of sensors that measure chemical volatile compounds and apply classification or regression algorithms.

Then, it reviews the most significant applications of such devices in beer technology, with examples about defect detection, hop classification, or beer classification, among. Artificial neural networks (ANNs) have been extensively used to perform this pattern recognition, and good results have been reported previously in the classification of foodstuffs, such as eggs, beverages, coffees, fish and meat.

The back- propagation trained multilayer perceptron (MLP) paradigm is the most popular pattern recognition method. The spectra were subjected to a principal component analysis (PCA) with the leading 10 principal components (PCs) used to build calibration models.

The obtained PCs were treated by linear discriminant analysis (LDA), artificial neural network (ANN) and support vector machine (SVM) to build various discrimination models. the recent e-nose researches listed in Table 1, none of them have im-plemented the proposed deep-learning method of this research.

There are several types of deep learning, i.e., convolutional neural network (CNN) for image classification, deep belief network (DBN) for speech recognition, deep neural network (DNN) for signals, and recurrent. The following image classification techniques are divided into supervised and unsupervised classifications.

The supervised classification methods include a traditional convolutional neural network and a special convolutional neural network named AlexNet designed by the SuperVision group for large scare visual recognition [].Besides the input layer and output layer, both. A Framework for an Artificial-Neural-Network-Based Electronic Nose: /ch Machine odor detection has developed into an important aspect of our lives with various applications of it.

From detecting food spoilage to diagnosis of. Aims: Use of an electronic nose () system to differentiation between anaerobic bacteria grown in vitro on agar media.

Methods and Results: Cultures of Clostridium spp. (14 strains) and Bacteroides fragilis (12 strains) were grown on blood agar plates and incubated in sampling bags for 30 min before head space analysis of the volatiles.Electronic/artificial noses are being developed as systems for the automated detection and classification of odors, vapors, and gases.

The two main components of an electronic nose are the sensing system and the automated pattern recognition system.Jamal et al. proposed a real-time recognition method using a handheld OMX-GR e-nose with an Artificial Neural Network (ANN) analysis system trained with a back-propagation algorithm.

The identified odors were transmitted electronically from the electronic nose itself (at the site of the patient) to doctors or other trained medical personnel at.