Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Title

Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Title

Sort by: Order: Results:

  • Unimodal and multimodal biometric sensing systems : a review 
    Oleyede, Muhtahir O.; Hancke, Gerhard P. (Institute of Electrical and Electronics Engineers, 2016)
    Biometric systems are used for the verification and identification of individuals using their physiological or behavioral features. These features can be categorized into unimodal and multimodal systems, in which the former ...
  • Universal decremental redundancy compression with fountain codes 
    Luus, Francois Pierre Sarel; McDonald, A.; Maharaj, Bodhaswar Tikanath Jugpershad (South African Institute of Electrical Engineers, 2010-06)
    A new universal noise-robust lossless compression algorithm based on a decremental redundancy approach with fountain codes is proposed. The binary entropy code is harnessed to compress complex sources with the addition of ...
  • Unsupervised land cover change detection : meaningful sequential time series analysis 
    Salmon, Brian Paxton; Olivier, Jan Corne; Wessels, K.J. (Konrad); Kleynhans, Waldo; Van den Bergh, Frans; Steenkamp, Karen C. (Institute of Electrical and Electronics Engineers, 2011-06)
    An automated land cover change detection method is proposed that uses coarse spatial resolution hyper-temporal earth observation satellite time series data. The study compared three different unsupervised clustering ...
  • The use of a multilayer perceptron for detecting new human settlements from a time series of MODIS images 
    Salmon, Brian Paxton; Olivier, Jan Corne; Kleynhans, Waldo; Wessels, K.J. (Konrad); Van den Bergh, Frans; Steenkamp, Karen C. (Elsevier, 2011-12)
    This paper presents a novel land cover change detection method that employs a sliding window over hyper-temporal multi-spectral images acquired from the 7 bands of the MODerate-resolution Imaging Spectroradiometer (MODIS) ...
  • The use of a semi-rigorous SAG mill model for a hands-on workshop 
    Bauer, Margret; Brooks, Kevin; Burchell, John; Coetzee, Loutjie; Le Roux, Johan Derik; McCoy, John; Miskin, Jason; Winter, Danielle (Elsevier, 2020)
    This paper describes the extension of a grinding mill model that is publicly available for educational and training purposes. This industrially derived model of a mill is used to explain complex concepts of advanced process ...
  • Users emulation attack management in the massive Internet of Things enabled environment 
    Okegbile, S.D. (Samuel); Ogunranti, Olabisi I. (Elsevier, 2020-12)
    Users’ emulation attacks are a prominent denial of service attack capable of degrading the entire performance of the network. In this paper, the detection and control of users’ emulation attacks in the massive internet ...
  • Using cognitive radio for interference-resistant industrial wireless sensor networks : an overview 
    Chiwewe, Tapiwa Moses; Mbuya, Colman F.; Hancke, Gerhardus P. (Jr.) (Institute of Electrical and Electronics Engineers, 2015-12)
    Industrial wireless sensor networks (IWSNs) have to contend with environments that are usually harsh and timevarying. Industrial wireless technology, such as WirelessHART and ISA 100.11a, also operates in a frequency ...
  • Using lagrangian relaxation for radio resource allocation in high altitude platforms 
    Ibrahim, Ahmed; Alfa, Attahiru Sule (Institute of Electrical and Electronics Engineers, 2015-10)
    In this paper, we study radio resource allocation for multicasting in OFDMA based high altitude platforms (HAPs). We formulate and solve an optimization problem that finds the best allocation of HAP resources such as ...
  • Using Page's cumulative sum test on MODIS time series to detect land-cover changes 
    Grobler, Trienko Lups; Ackermann, Etienne Rudolph; Van Zyl, A.J.; Olivier, Jan Corne; Kleynhans, Waldo; Salmon, Brian Paxton (Institute of Electrical and Electronics Engineers, 2013-03)
    Human settlement expansion is one of the most pervasive forms of land cover change in South Africa. The use of Page’s Cumulative Sum Test is proposed as a method to detect new settlement developments in areas that were ...
  • Variable- and fixed-length balanced runlength-limited codes based on a Knuth-like balancing method 
    Paluncic, Filip; Maharaj, Bodhaswar Tikanath Jugpershad; Ferreira, Hendrik C. (Institute of Electrical and Electronics Engineers, 2019-11)
    A novel Knuth-like balancing method for runlength-limited words is presented, which forms the basis of new variable- and fixed-length balanced runlength-limited codes that improve on the code rate as compared to balanced ...
  • A vector auto regression model applied to real estate development investment : a statistic analysis 
    Liu, Fengyun; Matsuno, Shuji; Malekian, Reza; Yu, Jin; Li, Zhixiong (MDPI Publishing, 2016-10-25)
    This study analyzes the economic system dynamics of investment in real estate from mainly four participants in China. Local governments limit the supply of commercial and residential land to raise fiscal revenue, and ...
  • A vector matroid-theoretic approach in the study of structural controllability over F(z) 
    Yuan, Yupeng; Li, Zhixiong; Malekian, Reza; Chen, Yongzhi; Chen, Ying (Institute of Electrical and Electronics Engineers, 2017)
    In this paper, the structural controllability of the systems over F(z) is studied using a new mathematical method-matroids. First, a vector matroid is de ned over F(z). Second, the full rank conditions of [sI AB](s 2 ) ...
  • Vehicle trajectory prediction based on hidden Markov model 
    Ye, Ning; Zhang, Yingya; Wang, Ruchuan; Malekian, Reza (KSII, 2016-07)
    In Intelligent Transportation Systems (ITS), logistics distribution and mobile e-commerce, the real-time, accurate and reliable vehicle trajectory prediction has significant application value. Vehicle trajectory prediction ...
  • Video-based sequential Bayesian homography estimation for soccer field registration 
    Claasen, Paul Johannes; De Villiers, Johan Pieter (Elsevier, 2024-10)
    A novel Bayesian framework is proposed, which explicitly relates the homography of one video frame to the next through an affine transformation while explicitly modelling keypoint uncertainty. The literature has previously ...
  • A virtual control layer resource allocation framework for heterogeneous cognitive radio network 
    Wang, Shi; Maharaj, Bodhaswar Tikanath Jugpershad; Alfa, Attahiru Sule (Institute of Electrical and Electronics Engineers, 2019)
    To make best use of the various radio resources in the heterogeneous network enabled by the software de ned network or cognitive radio (CR) technology, a resource allocation framework with exibility and quick recon ...
  • Water quality assessment tool for on-site water quality monitoring 
    Olatinwo, Segun Olatunbosun; Joubert, Trudi-Heleen; Olatinwo, Damilola D. (Institute of Electrical and Electronics Engineers, 2024)
    Reliable water quality monitoring requires on-site processing and assessment of water quality data in near real-time. This helps to promptly detect changes in water quality, prevent biodiversity loss, safeguard the health ...
  • Weak defect identification for centrifugal compressor blade crack based on pressure sensors and genetic algorithm 
    Li, Hongkun; He, Changbo; Malekian, Reza; Li, Zhixiong (MDPI Publishing, 2018-04-19)
    The Centrifugal compressor is a piece of key equipment for petrochemical factories. As the core component of a compressor, the blades suffer periodic vibration and flow induced excitation mechanism, which will lead to ...
  • A web-based office climate control system using wireless sensors 
    Foster, Timothy W.; Bhatt, Deep Vardhan; Hancke, Gerhard P.; Silva, Bruno (Institute of Electrical and Electronics Engineers, 2016-08)
    Conventional heating, ventilating, and air conditioning (HVAC) systems usually achieve the desired control level by means of simple ON–OFF control, which can often result in high energy wastage. A potential solution to ...
  • When is it appropriate to model transmission of tuberculosis using a dose response model? 
    Strydom, Duayne; Küsel, R.R. (Ralf); Craig, Ian Keith (Elsevier, 2017-12)
    The risk of transmission of tuberculosis (TB) in confined spaces is analyzed using the Gammaitoni and Nucci model and its variant, a dose response model. The dose response model with its additional parameters has the benefit ...
  • When “okay” is not okay : acoustic characteristics of single-word prosody conveying reluctance 
    Van Zyl, Marianne; Hanekom, Johannes Jurgens (Acoustical Society of America, 2013-01)
    The present study explored the acoustic characteristics of prosodic cues that indicate a speaker’s reluctance when giving permission or agreement using a single word (“okay”). Eight speakers (four male, four female) ...