Author:Roux, KDate:May 2007In countries where cable infrastructure is lacking, satellite communications is often the preferred alternative to reach the mass market. Interactive video-on-demand requires a large amount of bandwidth per subscriber, making it difficult to ...Read more
Author:Zulu, Mfezeko C; Maposa, SibonginkosiDate:Oct 2018Millennium development goal 7 seeks to provide full access to basic services and the service allocation caters for all households irrespective of affordability. However, it is assumed that service delivery processes come up short, especially ...Read more
Author:Pejovic, V; Johnson, DL; Zheleva, M; Belding, EM; Lysko, Albert ADate:Jan 2014White spaces promise to revolutionize the way wireless connectivity is delivered over wide areas. However, large-scale white space networks face the problem of allocating channels to multiple contending users in the wide white space band. To ...Read more
Author:Vorster, J; Irwin, B; Van Heerden, Renier PDate:Mar 2018During the past decade, the sophistication and maturity of Enterprise-level Information Security (EIS) Standards and Systems has increased significantly. This maturity, particularly in the handling of enterprise-wide capability models, has ...Read more
Author:Squelch, ADate:Dec 1997Virtual reality (VR) has been investigated by SIMRAC and CSIR Miningtek as a means of providing an enhancement to current training methods that will lead to more effective hazard awareness training programmes. A VR training simulator developed ...Read more
Author:Bowers, N; Van Deventer, Martha JDate:Jun 2012This conference presentation discusses the authors' duties as the facilitators of the POL-SABINA Natural Products Virtual Research Environment. In summary, they facilitated the use and content population of the Natural Products Virtual Research ...Read more
Author:Kanjee, R; Bachoo, AK; Carroll, JDate:Oct 2013Adaptive Cruise Control (ACC) is a relatively new system designed to assist automobile drivers in maintaining a safe following distance. This paper proposes and validates a vision-based ACC system which uses a single camera to obtain the ...Read more
Author:Sabatta, D; Siegwart, RDate:May 2013In 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 replay or leader-follower ...Read more
Author:Sabatta, DGDate:Nov 2008This 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 path planning ...Read more
Author:Matyila, M; Botha, Adèle; Alberts, R; Sibiya, GDate:May 2014Mobile 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 in participation ...Read more
Author:De Saxe, Christopher; Cebon, DDate:Nov 2016Application 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, but it has been ...Read more
Author:Smith, Andrew CDate:Feb 2009Good 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 perception skills of ...Read more
Author:Naidoo, T; Joubert, D; Chiwewe, T; Tyatyantsi, A; Rancati, B; Mbizeni, ADate:Mar 2014Road 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 inspection and ...Read more
Author:Thomas, A; Gerber, AJ; Van der Merwe, ADate:Nov 2015Diagrams 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 former. A formal ...Read more
Author:De Saxe, C; Cebon, DDate:Sep 2015Active 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 such systems and ...Read more
Author:Roux, FSDate:Feb 2014Optical 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 annihilation event. Here ...Read more
Author:Roux, FSDate:Feb 2014This 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 optical field. It can ...Read more
Author:Barnard, E; Schalkwyk, J; Van Heerden, C; Moreno, PJDate:Sep 2010In 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 developing-world citizens. ...Read more
Author:Sharma Grover, AS; Calteaux, Karen V; Barnard, E; Van Huyssteen, GDate:Mar 2012Research 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 services have varied ...Read more