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Browsing by Author "Nelwamondo, Fulufhelo V"

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An advanced mutual-authentication algorithm using 3DES for smart card systems

Author: Tsague, HD ; Nelwamondo, Fulufhelo V ; Msimang, N Date: Nov 2012 One of the most commonly used two-factor user authentication mechanisms nowadays is based on smart card and personal identity number or password. A scheme of this type is usually known as, a smart card based password authentication. The core ... Read more
Analysis of computational complexity for HT-based fingerprint alignment algorithms on java card environment

Author: Mlambo, CS ; Shabalala, MB ; Nelwamondo, Fulufhelo V Date: Jan 2015 In this paper, implementations of three Hough Transform based fingerprint alignment algorithms are analyzed with respect to time complexity on Java Card environment. Three algorithms are: Local Match Based Approach (LMBA), Discretized Rotation ... Read more
Application of artificial intelligence (AI) methods for designing and analysis of reconfigurable cellular manufacturing system (RCMS)

Author: Xing, B ; Nelwamondo, Fulufhelo V ; Battle, K ; Gao, W ; Marwala, T Date: Dec 2009 This work focuses on the design and control of a novel hybrid manufacturing system: Reconfigurable Cellular Manufacturing System (RCMS) by using Artificial Intelligence (AI) approach. It is hybrid as it combines the advantages of Cellular ... Read more
The application of Hough transform-based fingerprint alignment on match-on-card

Author: Mlambo, S ; Nelwamondo, Fulufhelo V ; Mathekga, Mmamolatelo E Date: Mar 2015 Smart cards are one of the most commonly used technologies that are integrated with fingerprints to develop higher security. One of the important uses of smart cards is the development of authentication systems for an individual. The demand ... Read more
Applying cost-sensitive classification for financial fraud detection under high class-imbalance

Author: Moepya, SO ; Akhoury, SS ; Nelwamondo, Fulufhelo V Date: Dec 2014 In recent years, data mining techniques have been used to identify companies who issue fraudulent financial statements. However, most of the research conducted thus far use datasets that are balanced. This does not always represent reality, ... Read more
Assessment of the ISNT rule on publicly available datasets

Author: Oluwatobi, JA ; Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V Date: Dec 2019 The ISNT rule is a technique that has been used to detect glaucoma from fundus im-ages. The rule states that for a healthy fundus image, the segmented optic disc can be divided into four neuro-retina rim quadrants namely; the Inferior, Superior, ... Read more
Comparison of effective Hough transform-based fingerprint alignment approaches

Author: Mlambo, CS ; Nelwamondo, Fulufhelo V ; Mathekga, Mmamolatelo E Date: Aug 2014 In this paper, two effective and mostly used Hough Transform (HT) based fingerprint alignment approaches are compared, namely; Local Match Based Alignment (LMBA) and Discretized Rotation Based Alignment (DRBA). The comparison was performed ... Read more
Condition monitoring of oil-impregnated paper bushings using extension neural network, Gaussian mixture and hidden Markov models

Author: Miya, WS ; Mpanza, LJ ; Marwala, T ; Nelwamondo, Fulufhelo V Date: Oct 2008 In this paper, a comparison between Extension Neural Network (ENN), Gaussian Mixture Model (GMM) and Hidden Markov model (HMM) is conducted for bushing condition monitoring. The monitoring process is a two-stage implementation of a classification ... Read more
Data mining techniques for distributed denial of service attacks detection in the internet of things: A research survey

Author: Machaka, P ; Nelwamondo, Fulufhelo V Date: Aug 2016 This chapter reviews the evolution of the traditional internet into the Internet of Things (IoT). The characteristics and application of the IoT are also reviewed, together with its security concerns in terms of distributed denial of service ... Read more
Differentially private transmission control protocol synchronise packet counts

Author: Mkuzangwe, Nenekazi NP ; Nelwamondo, Fulufhelo V Date: Sep 2019 Real Transmission Control Protocol synchronise (TCP SYN) packet counts availability will be of great benefit in anomaly detection. TCP SYN packet counts can beused for training intrusion detection system to detect a denial of service attack ... Read more
Digital influenza surveillance: The prospects of Google Trends data for South Africa

Author: Olukanmi, S ; Nelwamondo, Fulufhelo V Date: Aug 2020 Influenza (flu) epidemics remain a public health concern around the world. Conventional disease surveillance systems are slow and resource intensive, since they rely on data from medical practitioners. To address these issues, recent research ... Read more
A dynamic programming approach to missing data estimation using neural networks

Author: Nelwamondo, Fulufhelo V ; Golding, D ; Marwala, T Date: 2013 This paper develops and presents a novel technique for missing data estimation using a combination of dynamic programming, neural networks and genetic algorithms (GA) on suitable subsets of the input data. The method proposed here is well ... Read more
Ensemble of classifiers based network intrusion detection system performance bound

Author: Mkuzangwe, Nenekazi NP ; Nelwamondo, Fulufhelo V Date: Nov 2017 This paper provides a performance bound of a network intrusion detection system (NIDS) that uses an ensemble of classifiers. Currently researchers rely on implementing the ensemble of classifiers based NIDS before they can determine the ... Read more
Ethnicity distinctiveness through iris texture features using Gabor filters

Author: Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V ; Marwala, T Date: Feb 2017 Research in iris biometrics has been focused on utilizing iris features as a means of identity verification and authentication. However, not enough research work has been done to explore iris textures to determine soft biometrics such as ... Read more
Ethnicity prediction and classification from iris texture patterns: A survey on recent advances

Author: Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V ; Marwala, T Date: Mar 2017 The prediction and classification of ethnicity based on iris texture patterns using image processing, artificial intelligence and computer vision techniques is still a recent topic in iris biometrics. While the large body of knowledge and ... Read more
Fingerprint pattern classification approach based on the coordinate geometry of singularities

Author: Msiza, IS ; Leke-Betechuoh, B ; Nelwamondo, Fulufhelo V ; Msimang, N Date: Oct 2009 The problem of Automatic Fingerprint Pattern Classification (AFPC) has been studied by many fingerprint biometric practitioners. It is an important concept because, in instances where a relatively large database is being queried for the ... Read more
Fingerprint pores extractor

Author: Mngenge, NA ; Nelufule, Nthatheni ; Nelwamondo, Fulufhelo V ; Msimang, M Date: Nov 2012 Automatic Fingerprint Recognition Systems (AFRSs) rely on minutiae position and orientation within the fingerprint image for matching. Minutiae information is highly accurate provided that the fingerprint image matched is of high quality. ... Read more
Fingerprint segmentation: an investigation of various techniques and a parameter study of a variance-based method

Author: Msiza, IS ; Mathekga, Mmamolatelo E ; Nelwamondo, Fulufhelo V ; Marwala, T Date: Sep 2011 Fingerprint image segmentation plays an important role in any fingerprint image analysis implementation and it should, ideally, be executed during the initial stages of a fingerprint manipulation process. After careful consideration of various ... Read more
Forward and reverse middle ear frequency responses with various terminal loads

Author: Thejane, T ; Marwala, T ; Smit, Jacoba E ; Nelwamondo, Fulufhelo V Date: Sep 2012 An analog network model of the human middle ear is used to study the effect of terminal loads on the middle ear frequency response. A new transformer ratio value is computed and used to improve the model of the middle ear through the use of ... Read more
Fusion of phase congruency and harris algorithm for extraction of iris corner points

Author: Mabuza-Hocquet, Gugulethu P ; Nelwamondo, Fulufhelo V Date: Dec 2015 Iris recognition uses automated techniques to extract iris features which are stored in a database as a feature template to be later used for individual identification and authentication. Strict image quality control is a basic requirement ... Read more

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