Author:Skosana, Vusi J; Abu-Mahfouz, Adnan MIDate:Nov 2020Wireless multimedia sensor networks (WMSNs) make possible diverse and demanding monitoring and surveillance applications. The WMSNs have to operate with significant energy, memory and processing power constraints. These constraints make video ...Read more
Author:Govender, K; Alport, MJ; Mocke, G; Michallet, HDate:2002The cost-effective measurement of the velocity flow fields in breaking water waves, using particle and correlation image velocimetry, is described. The fluid velocities are estimated by tracking the motion of neutrally buoyant particles and ...Read more
Author:Globisch, R; Ferguson, KDate:Mar 2009Video processing source code for algorithms and tools used in software media pipelines (e.g. image scalers, colour converters, etc.) The currently available source code is written in C++ with their associated libraries and DirectShow- Filters.Read more
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:Von Staden, R; Roux, KDate:Oct 2009The Meraka Institute, together with its partners, have undertaken an ambitious task to provide broadband connectivity to under-served areas of South Africa through a community centric model, as opposed to a typical national telco-driven odel. ...Read more
Author:Pejovic, V; Johnson, DL; Zheleva, M; Belding, EM; Lysko, Albert ADate:2015Internet connectivity is available to merely 39% of the world’s population. Lack of internet access is primarily restricted to developing regions, however, many remote communities in the developed world are currently disconnected as well. The ...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:Durrheim, RJ; Haile, A; Roberts, MKC; Schweitzer, JK; Spottiswoode, SM; Klokow, JWDate:15 Apr 1998The violent failure of a peninsular remnant at a depth of 2300 m below surface occurred in a mine in the Carletonville Goldfield of South Africa, severely damaging a stope mining the Ventersdorp Contact Reef (VCR). At the rockburst site the ...Read more
Author:Padayachee, I; Van der Merwe, A; Kotzé, PaulaDate:Dec 2015In higher education institutions various VLSs have been formally adopted to support online teaching and learning. However, there has been little research on patterns of VLS use among educators. The purpose of the research was to provide a ...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:Nupen, EMDate:Jun 1974This paper attempts to assess the present and future needs for such waters and the virus risk involved in their usage.Read more
Author:Bandyopadhyay, J; Al-Thabaiti, SA; Ray, SS; Bousmina, MDate:Mar 2014The carbon nanotubes (CNTs)-containing composites of poly(butylene succinate) (PBS) were prepared by melt-blending in a batch mixer with three concentrations by weight of CNTs: 1, 2 and 3 %. State of dispersion-distribution of the CNTs in the ...Read more
Author:John, Maya J; Jacob John, Maya; Jose, S; Varughese, KT; Thomas, SDate:2009This study explores the dynamic mechanical behavior of woven sisal fabric reinforced natural rubber composites. The influence of chemical modification on the viscoelastic properties has also been determined. Moreover, the effect of frequency ...Read more
Author:Al-Thabaiti, SA; Ray, SS; Basahel, SN; Mokhtar, MDate:Mar 2015This article reports the viscoelastic properties of poly[(butylene succinate)-co-adipate] (PBSA) nanocomposites. The nanocomposites of PBSA with various loadings of organically modified clay were prepared by melt-mixing in a batch-mixer. The ...Read more
Author:Napier, JAL; Malan, DFDate:Oct 1997A model is proposed for the direct mechanistic simulation of seismic activity and stress transfer effects in deep level mines. The model uses a discontinuum viscoplastic formulation to relate the rate of slip on a crack to the shear stress ...Read more