Author:Bachoo, ADate:Oct 2010Images and video captured in real world situations generally have distorted digital pixel values. A variety of situations can cause these image degradations: sensor motion, environmental conditions and random noise. A crucial procedure in ...Read more
Author:Smith, S; Sewart, R; Land, K; Roux, P; Gärtner, C; Becker, HDate:Feb 2016Lab-on-a-chip devices are often applied to point-of-care diagnostic solutions as they are low-cost, compact, disposable, and require only small sample volumes. For such devices, various reagents are required for sample preparation and analysis ...Read more
Author:Lunga, DDate:Dec 2013Over the past decade, the problem of hyperspectral data clustering has generated a growing interest from various fields including the machine learning community. This paper presents an analysis of the traditional spectral clustering approach ...Read more
Author:Weiss, M; Botha, Adèle; Herselman, Martha E; Loots, GDate:May 2017Blockchain technology underpins a radical rethink of information privacy, confidentiality, security and integrity. As a decentralised ledger of transactions across a peer-to-peer network, the need for a central third party intermediate ...Read more
Author:Steynberg, L; Erasmus, Louwrence D; Pretorius, LDate:Aug 2022There are opportunities for disruptive applications of blockchain technology in outbound logistics management, especially with peer-to-peer networking support to keep records of verified transactions in distributed ledgers without control by ...Read more
Author:Badenhorst, Jacob AC; Martinus, Laura; De Wet, FebeDate:Jan 2019Since the release of the National Centre for Human Language Technology (NCHLT) Speech corpus, very few additional resources for automatic speech recognition (ASR) system development have been created for South Africa’s eleven official languages. ...Read more
Author:Krige, PDDate:Aug 2003The purpose of this booklet is to make a contribution towards improving safety standards in underground transportation. Its scope is limited to horizontal track-bound transportation on gold and platinum mines and its emphasis is on learning ...Read more
Author:Davel, MH; Barnard, EDate:Nov 2003This paper describes a method for improving the efficiency of the language resource development process through bootstrapping.Read more
Author:Davel, MH; Barnard, EDate:Sep 2005Bootstrapping techniques are an efficient way to develop electronic pronunciation dictionaries, but require fast system response to be practical for medium-to-large lexicons. In addition, user errors are inevitable during this process, and ...Read more
Author:Davel, M; Barnard, EDate:27 Feb 2006Bootstrapping techniques can accelerate the development of language technology for new languages. The authors define a framework for the analysis of a general bootstrapping process whereby a model is improved through a controlled series of ...Read more
Author:Mafiri, MT; Nyareli, T; Ngwenya, B; Vogt, DDate:Nov 2008The major gold and platinum deposits of South Africa occur in the Witwatersrand Basin (gold) and Bushveld Complex (platinum) (Henning et al., 1994; Carr et al., 1994; Cawthorn, 1999). While the origins and geology of the two structures have ...Read more
Author:Vogt, DR; Nyareli, TNDate:Jun 2008It is difficult to achieve significant directivity in the radial direction of a borehole radar antenna, because the spacing of antenna elements is typically constrained by the borehole diameter to be considerably less than a wavelength. In ...Read more
Author:Roodt, JHS; Oosthuizen, Rudolph; Jansen van Vuuren, JCDate:Apr 2010This investigation was launched firstly to direct current Information Warfare definition and capability management activities toward establishing a Require Operational Capability (ROC) statement for a JCD capability, and secondly to provide ...Read more
Author:Leenen, L; Ghose, ADate:Dec 2008The Semiring Constraint Satisfaction Problem (SCSP) framework is a popular approach for the representation of partial constraint satisfaction problems. Considerable research has been done in solving SCSPs, but limited work has been done in ...Read more
Author:Land, K; Mbanjwa, M; Hugo, S; Chen, J; Govindasamy, KDate:01 Sep 2010Microfluidics is an important emerging research platform in South Africa. It deals with the control and manipulation of very small quantities of fluids (typically microlitre and smaller) inside micro-channels. Microfluidic-based devices show ...Read more
Author:Ramutshatsha-Makhwedzha, D; Munyengabe, A; Mavhungu, ML; Mbaya, R; Baloyi, Siwela JDate:May 2023In the current study, an activated carbon derived from waste banana peel using H2SO4 was applied for the first time in a packed-bed column for methylene blue (MB) dye removal from wastewater. The pore structure and surface of banana peel ...Read more
Author:Kemp, Lana; Roux, Michael P; Steyn, WJvdMDate:Nov 2022In South Africa, it is a requirement for all road agencies to conduct principal visual inspections of all bridge structures every five years. Smaller municipalities do not always have the necessary funds available for principal bridge ...Read more
Author:Nell, AJ; Nordengen, Paul A; Newmark, ADate:Oct 2008This paper describes the implementation and utilization of the bridge management system (BMS) of the Department of Transport and Public Works of the Western Cape Provincial Government. The implementation of the BMS as well as the visual ...Read more
Author:Nordengen, Paul ADate:Oct 2012This presentation addresses the development and implementation of bridge management systems for various road authorities in southern Africa and the Middle East.Read more
Author:Gqola, PDDate:Aug 2006Some of the indications uncovered by critical and analytical observation and research into what is not happening. The need for research is ongoing; however, as there are many details yet to be uncovered in order to better inform transport and ...Read more