Author:Duvenhage, BDate:Nov 2014The real-time super-resolution technique discussed in this paper increases the effective pixel density of an image sensor by combining consecutive image frames from a video. In surveillance, the higher pixel density lowers the Nyquist rate ...Read more
Author:Burke, Michael GDate:Sep 2017This work introduces a generative Bezier curve model suitable for surf-zone curve tracking in coastal image sequences. The model combines an adaptive curve parametrised by control points governed by local random walks with a global sinusoidal ...Read more
Author:Van Der Merwe, A; Kotzé, Paula; Gerber, ADate:Oct 2007The identification of process model structures is usually complex and costly. If these structures can be reused across boundaries, this could not only benefit the internal structure of one application domain, but could also benefit organizations ...Read more
Author:Ruxwana, N; Herselman, Martha E; Pottas, DDate:Jul 2011The e-health evolution has the potential to aid management of scarce resources and improve quality if services within healthcare. However, their implementation continues to fail. Amongst other reasons, the lack of project quality management ...Read more
Author:Mashiane, T; Pillay, NDate:Nov 2014Password cracking is the term commonly used to describe the illegal action of gaining access to clear text versions of user passwords. Hackers are notorious for stealing encrypted passwords and cracking them. The same action of password ...Read more
Author:Green, Chéri ADate:Oct 2012Accessibility analysis models the access of residents to facilities - assuming people will go to their nearest facility for service.If an analysis is done for a large area, this will show whether provision is sufficient and equitable - if ...Read more
Author:Williams, LL; Lück-Vogel, MelanieDate:Oct 2022This study determines input data appropriateness for geographic information system-based enhanced bathtub model (eBTM) modeling of coastal inundation in an urban setting. Various tests were conducted concerning digital surface models (DSMs) ...Read more
Author:Walubita, LF; Hu, X; Nyamuhokya, TP; Komba, Julius J; Souliman, MIDate:Jan 2018With the increasing use of geogrid reinforcements to mitigate reflective cracking in hot-mix asphalt (HMA) overlays, interlayer (interface) bonding becomes an even more critical aspect of HMA placement/construction to mitigate delamination ...Read more
Author:Cooper, Antony KDate:Mar 2009This paper aims to provide some geographical information (geoinformation) perspectives on innovation and economic growth in Africa, for the first Session of the Committee on
Development Information, Science and Technology (CODIST-1) of the ...Read more
Author:Henry, G; Kuijpers, JDate:Aug 2011Underground mining is a high risk activity, and the design of an autonomous gold miner will reduce high risk to miners, monitor underground conditions and reduce costs. The narrow reef autonomous mining machine will be designed to be an ...Read more
Author:Paige-Green, PDate:Jul 2004This paper briefly summarises the geological and geomorphological history of South Africa. This history is then related to various problems affecting the construction of roads in South Africa. These problems need to be identified early and ...Read more
Author:Paige-Green, PDate:May 2004As the need for road construction materials increased with urban and rural development, their availability is decreasing. They are becoming more costly, their extraction usually has serious environmental implications and many of the most ...Read more
Author:Kwon, J; Tutumluer, E; Al-Qadi, IL; Anochie-Boateng, JosephDate:Feb 2007Resilient modulus is a key input property of pavement foundation geomaterials, i.e., subgrade soil and base/subbase unbound aggregate, for the mechanistic-empirical design of flexible pavements. Recent research at the University of Illinois ...Read more
Author:Makondo, N; Claassens, J; Tlale, N; Braae, MDate:Nov 2012This paper describes a geometrical method for solving the inverse kinematic (IK) problem of a 5 Degrees of Freedom (DOF) redundant manipulator. A geometric inverse kinematics solution is desirable as it provides complete and simple solutions ...Read more
Author:Van Schoor, Michael; Hobbs, PhilipDate:Aug 2016Acid mine drainage (AMD) and its effect on surface and groundwater resources in the Cradle of Humankind (COH) area near Krugersdorp is a pertinent and well-documented concern. In 2008, a water resources monitoring programme for the area was ...Read more
Author:Ragoasha, Matsubu V; Maritz, Johan; Cooper, Antony KDate:Sep 2018A key challenge in rural South Africa is providing social facilities such as clinics. This is difficult due to the nature of settlement distributions, especially in traditional authority areas. Geospatial accessibility analysis can help find ...Read more
Author:Naude, A; Van Huyssteen, Elsona; Maritz, Johan; Badenhorst, WDate:Nov 2008Whilst there have been rapid advances in satellite imagery and related fine resolution mapping and web-based interfaces (e.g. Google Earth), the development of capabilities for strategic spatial analysis and planning support has lagged behind, ...Read more
Author:McFerren, Graeme; Van Zyl, TDate:Jul 2016One viewpoint of current and future IT systems holds that there is an increase in the scale and velocity at which data are acquired and analysed from heterogeneous, dynamic sources. In the earth observation and geoinformatics domains, this ...Read more