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Safety and security

 

Recent Submissions

  • Goncalves, Duarte PD (Taylor & Francis, 2019-08)
    Various belief constructs such as framing, dualisms, worldviews, paradigms, and values are discussed to understand how these might result in scotomas. The observer is not independent and objective but has purpose and values ...
  • Venter, Karien; Sinclair, M; Lennox, L (Southern African Transport Conference, 2019-07)
    Novice drivers, worldwide, have a significant risk of being fatally or seriously injured in a road traffic crash. South African statistics show that novice driver crashes (over a three-year period) represent approximately ...
  • Pelders, Jodi L; Nelson, G (Elsevier, 2019-06)
    Mine workers in South Africa face challenges relating to poor health and safety, including fatigue risks, and poor socioeconomic and living conditions. Fatigue results in impaired mental and physical performance. The aim ...
  • Pelders, Jodi L; Nelson, G (Southern African Institute of Mining and Metallurgy, 2019-03)
    Fatigue is a significant concern in the mining industry as it is a causal or contributing factor in many incidents and accidents. Fatigue can be caused by work- and non-work-related factors. There is a lack of information ...
  • Ngxande, Mkhuseli; Tapamo, J; Burke, Michael (IEEE, 2019-01)
    Recent work has shown significant progress in the direction of synthetic data generation using Generative Adversarial Networks (GANs). GANs have been applied in many fields of computer vision including text-to-image ...
  • Reddy, Reeshen; Burmeister, Brian; Manamela, Selolo S; Mewalal, Ushik; Kathree, Umur (2018-11)
    Network Centric Operations describe the modern form of military action in the information age. Networked Sensors allow for information superiority acting as a force multiplier, greater lethality and increased survivability. ...
  • Mahlangu, Thabo V; January, Sinethemba; Mashiane, Charmaine T; Dlamini, Thandokuhle M; Ngobeni, Sipho J; Ruxwana, Lennox N (2019-02)
    In the cyberspace, system defenders might have an idea of their own cybersecurity defense systems, but they surely have a partial view of the cyberspace battlefield and almost zero knowledge of the attackers. Evidently, ...
  • Manuel, M; Isong, B; Esiefarienrhe, M; Abu-Mahfouz, Adnan MI (IEEE, 2018-10)
    Wireless Sensor Networks (WSNs) are network paradigm that are constrained by several challenges such as management of the network, energy consumption, data processing, quality of services (QoS) provisioning, and security. ...
  • Mawonde, K; Isong, B; Lugayizi, F; Abu-Mahfouz, Adnan MI (IEEE, 2018-10)
    Vehicle security is an emergent issue in the technology sector that has benefited from the continuous advancement in technology through the creation of more complex and advanced security systems. This serves to address the ...
  • Pieterse, Heloise; Olivier, M; Van Heerden, Renier P (Springer, 2018-08)
    Ever improving technology allows smartphones to become an integral part of people's lives. The reliance on and ubiquitous use of smartphones render these devices rich sources of data. This data becomes increasingly important ...
  • Litvin, Igor A; King, Gary R; Strauss, Hencharl J (Springer, 2017-06)
    We propose a novel intra-cavity laser beam shaping technique based on the manipulation of the transverse gain profile in the laser crystal. The method allows controllable reshaping of a laser output beam into a desired ...
  • Shingange, Katekani; Swart, HC; Mhlongo, Gugu H (Elsevier, 2018-04)
    Herein, we present ZnO rose-like hierarchical nanostructures employed as support to Au nanoparticles to produce Au functionalized three dimensional (3D) ZnO hierarchical nanostructures (Au/ZnO) for NO2 detection using a ...
  • Burke, Ivan D; Herbert, A; Mooi, Roderick D (Association for Computing Machinery, 2018-09)
    Distributed Denial of Service (DDoS) attacks cause significant disruption on critical networks within South Africa. Timely detection and mitigation is a key concern for the SANReN Cyber Security Incident Response Team ...
  • Prabhakar, Shashi; Mabena, Chemist M; Konrad, T; Roux, FS (American Physical Society, 2018-01)
    The effect of a decoherence channel, such as a turbulent atmosphere, on the second-order quantum interference in the Hong-Ou-Mandel (HOM) effect is investigated. The investigation includes both theoretical analyses and an ...
  • De Freitas, A; Focke, Richard W; De Villiers, P (IEEE, 2018-07)
    Sensor management is an important function of any data fusion center as the output of a fusion system is dependent on the quality of the information collected. In this paper, the scheduling aspect of sensor management ...
  • Ramotsoela, D; Abu-Mahfouz, Adnan MI; Hancke, G (MDPI, 2018-08)
    The increased use of IndustrialWireless Sensor Networks (IWSN) in a variety of different applications, including those that involve critical infrastructure, has meant that adequately protecting these systems has become a ...
  • Sroor, H; Lisa, Nyameko; Naidoo, Darryl; Litvin, Ihar; Forbes, A (American Physical Society, 2018-04)
    Creating high-quality vector vortex (VV) beams is possible with a myriad of techniques at low power, and while a few studies have produced such beams at high power, none have considered the impact of amplification on the ...
  • Sroor, H; Naidoo, Darryl; Courtial, J; Forbes, A (SPIE, 2018-02)
    Mathematical self-similar fractals manifest identical replicated patterns at every scale. Recently, fractals have found their way into a myriad of applications. In optics, it has been shown that manipulation of unstable ...
  • Naidoo, Darryl; Litvin, Ihar; Forbes, A (SPIE, 2017-02)
    We investigate the selection of a flat-top beam and a Gaussian beam inside a laser cavity on opposing mirrors. The concept is tested external to the laser cavity in a single pass and double pass regime where the latter ...
  • Naidoo, Darryl; Litvin, Ihar; Forbes, A (Optical Society of America, 2018-07)
    Laser brightness is a measure of the ability to deliver intense light to a target and encapsulates both the energy content and the beam quality. High-brightness lasers require that both parameters be maximized, yet standard ...

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