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Browsing General science, engineering & technology by Title

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  • Sabatta, D; Siegwart, R (2013-05)
    In this paper we present a vision-based path following algorithm for a non-holonomic wheeled platform capable of keeping the vehicle on a desired path using only a single camera. The algorithm is suitable for teach and ...
  • Sabatta, DG (2008-11)
    This paper proposes a topological mapping technique that utilises persistent SIFT features to reduce the amount of data storage required. It delivers, as an output, a topological map that lends itself well to conventional ...
  • De Saxe, Christopher C (University of Cambridge, 2018-09)
    Articulated Heavy Goods Vehicles (HGVs) are more efficient than conventional rigid lorries, but exhibit reduced low-speed manoeuvrability and high-speed stability. Technologies such as autonomous reversing and path-following ...
  • Mthombeni, Thabo DM (University of Utah, 2011-12)
    VisTrails is an open-source scientific workflow and provenance management system that provides support for simulations, data exploration and visualization. Whereas workflows have been traditionally used to automate repetitive ...
  • Genovesio, A; Giardini, MA; Kwon, Y-J; de Macedo Dossin, F; Cho, SY; Kim, NY; Kim, HC; Jung, SY; Schenkman, S; Almeida, IC; Emans, N; Freitas-Junior, LH (Public Library of Science, 2011-05)
    The protozoan parasite Trypanosoma cruzi is the etiologic agent of Chagas disease, a neglected tropical infection that affects millions of people in the Americas. Current chemotherapy relies on only two drugs that have ...
  • Matyila, M; Botha, Adèle; Alberts, R; Sibiya, G (IST Africa, 2014-05)
    Mobile services and mobile content is available to diverse users in possession of the necessary mobile phones. However, some of the mobile services and mobile content is text intensive and this discounts low literate users ...
  • De Saxe, Christopher; Cebon, D (2016-11)
    Application of articulated and Long Combination Vehicles (LCVs) in challenging off-highway applications is possible with the use of path-following trailer steering. This requires an accurate estimate of trailer off-tracking, ...
  • Smith, Andrew C (2009-02)
    Good visual perception skills are important in the effective manipulation of Tangible User Interfaces. This paper reports on the application of a test set researchers have developed specifically to quantify the visual ...
  • Burke, Michael G (Stellenbosch University, 2011-03)
    This thesis presents work completed on the design of control and vision components for use in a monocular vision-based human-following robot. The use of vision in a controller feedback loop is referred to as vision-based ...
  • Naidoo, T; Joubert, D; Chiwewe, T; Tyatyantsi, A; Rancati, B; Mbizeni, A (SPIE, 2014-03)
    Road distresses, such as potholes and edge cracks, are not only a source of frustration to drivers but also negatively impact the economy due to damage to motor vehicles and costly road repairs. Regular and rapid pavement ...
  • Thomas, A; Gerber, AJ; Van der Merwe, A (Science and Technology Publications, Lda, 2015-11)
    Diagrams are often studied as visual languages with an abstract and a concrete syntax (concrete syntax is often referred to as visual syntax), where the latter contains the visual representations of the concepts in the ...
  • De Saxe, C; Cebon, D (IEEE, 2015-09)
    Active control systems for heavy goods vehicles (HGVs) are becoming more sophisticated, necessitating more extensive and sophisticated instrumentation. For articulated HGVs, articulation angle sensing is crucial for most ...
  • Dawlal, Pranitha; Brabet, C; Thantsha, MS; Buys, EM (Taylor & Francis, 2019-01)
    Consumption of fumonisin-contaminated foods has a negative influence on the health of humans (carcinogen; oesophageal cancer in Eastern Cape in South Africa). Lactic acid bacteria (LAB) have emerged as a promising natural ...
  • Shibayama, Y; Fanucchi, Stephanie; Mhlanga, Musa (Springer, 2017)
    Enhancers are principal regulators that allow spatiotemporal tissue-specifi c control of gene expression. While mounting evidence suggests that enhancer-derived long noncoding RNAs (long ncRNAs), including enhancer RNAs ...
  • Roux, FS (SPIE Proceedings, 2014-02)
    Optical vortices are always created or annihilated in pairs with opposite topological charges. However, the presence of such a vortex dipole does not directly indicate whether they are associated with a creation or an ...
  • Roux, FS (2014-02)
    This presentation discusses the vitality of optical vortices to distinguish between vortex dipole creation and annihilation events. Vitality is expressed in terms of the transverse 1st and 2nd order derivatives of the ...
  • Simo, A; Mwakikunga, B; Sone, BT; Julies, B; Madjoe, R; Maaza, M (Elsevier, 2014-05)
    Mott-type VO(sub2) oxide nanobelts are demonstrated to be effective hydrogen gas sensors at room temperature. These nanobelts, synthesized by hydrothermal process and exhibiting the VO(sub2) (A) crystallographic phase, ...
  • Barnard, E; Schalkwyk, J; Van Heerden, C; Moreno, PJ (International Speech Communication Association (ISCA), 2010-09)
    In light of the serious problems with both illiteracy and information access in the developing world, there is a widespread belief that speech technology can play a significant role in improving the quality of life of ...
  • Sharma Grover, AS; Calteaux, K; Barnard, E; Van Huyssteen, G (Association for Computing Machinery (ACM), 2012-03)
    Research using voice-based services as a technology platform for providing information access and services within developing world regions has shown much promise. The results for design and deployment of such voice-based ...
  • Van Huyssteen, G; Sharma Grover, A; Calteaux, K (African Sun Media, 2012-10)
    Multilingual emerging markets hold many opportunities for the application of spoken language technologies, such as automatic speech recognition (ASR) or test-to-speech (TTS) technologies in interactive voice response (IVR) ...

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