Author:Du Plessis, M; Van Rensburg, NJJDate:Sep 1977Cotton fabric treated with aminoplast resins can be cured in an autoclave steamer, provided that the samples are sealed in aluminium foil or cooking bags.Read more
Author:Kleynhans, W; Salmon, BP; Olivier, JC; Wessels, Konrad J; Van den Bergh, FDate:Jul 2011Human settlement expansion is one of the most pervasive forms of land cover change in the Gauteng province of South Africa. A method for detecting new settlement developments in areas that are typically covered by natural vegetation using ...Read more
Author:Onumanyi, Adeiza J; Molokomme, Daisy N; Isaac, Sherrin J; Abu-Mahfouz, Adnan MIDate:2022The elbow technique is a well-known method for estimating the number of clusters required as a starting parameter in the K-means algorithm and certain other unsupervised machine-learning algorithms. However, due to the graphical output nature ...Read more
Author:Jamison, Kevin A; Heise, RDate:Sep 2012When a new store is integrated with an aircraft, it is necessary to verify that it separates safely for all possible release and emergency jettison scenarios. A large number of separation analyses are required to comply with this requirement. ...Read more
Author:Sibolla, Bolelang H; Lourens, Roger L; Lubbe, R; Magome, Mpheng DDate:Mar 2018Traditionally spatio-temporally referenced event data was made available to geospatial applications through structured data sources, including remote sensing, in-situ and ex-situ sensor observations. More recently, with a growing appreciation ...Read more
Author:Van Heerden, Renier P; Leenen, L; Irwin, BDate:Nov 2013In this paper we demonstrate how an automated reasoner, HermiT, is used to classify instances of computer network based attacks in conjunction with a network attack ontology. The ontology describes different types of network attacks through ...Read more
Author:Mkwizu, TS; Mathe, Mahlanyane K; Cukrowski, IDate:2009Nanoclusters of bimetallic composition involving platinum with gold or ruthenium were sequentially deposited via redoxreplacement of electrodeposited sacrificial Cu adlayers for controlling the deposition of the noble metals. These steps were ...Read more
Author:Salmon, BP; Olivier, JC; Kleynhans, W; Wessels, Konrad J; Van den Bergh, FDate:Jul 2010An automated land cover change detection method is proposed that uses coarse resolution hyper-temporal satellite time series data. The study compared two different unsupervised clustering approaches that operate on the short term Fourier ...Read more
Author:Smith, S; Madzivhandila, P; Sewart, R; Govender, Ureshnie; Becker, H; Land, K; Roux, PDate:Oct 2016This work presents microfluidic cartridges for automated blood cell counting towards a point-of-care (POC) full blood count (FBC). Total white blood cell count (WBC) and red blood cell count (RBC) tests were implemented using low-cost, ...Read more
Author:Eberle, D; Hutchins, D; Das, Sonali; Majumdar, A; Paasche, HDate:Jun 2015This paper demonstrates a methodology for the automatic joint interpretation of high resolution airborne geophysical and space-borne remote sensing data to support geological mapping in a largely automated, fast and objective manner. At the ...Read more
Author:Darlow, LN; Webb, L; Botha, NDate:May 2016Fingerprint recognition systems are prevalent in high-security applications. As a result, the act of spoofing these systems with artificial fingerprints is of increasing concern. This research presents an automatic means for spoof-detection ...Read more
Author:Teleka, Ruth; Green, J; Brink, S; Sheer, JDate:Nov 2011The use of automation in deep level hard rock mines has over the years been overshadowed by mechanized mining. However, more and more readily, the industry is starting to recognize the validity of considering automation as an option both in ...Read more
Author:Butgereit, L; Botha, RADate:May 2012Dr Math is a mobile, online tutoring project which allows primary and secondary school pupils to contact tutors in mathematics using text based chat systems on their cell phones. The tutors use traditional Internet based workstations. Dr Math ...Read more
Author:Davrajh, S; Naidoo, T; Bright, G; Tlale, NS; Kumile, CMDate:2008Mass produced custom parts require inspection routines that can facilitate variations in product parameters such as dimensions, tolerances, and throughputs. Quality control and inspection of these parts, and part families, need to occur at ...Read more
Author:Van Heerden, CJ; De Wet, Febe; Davel, MHDate:Nov 2012This paper reports on the automatic alignment of audiobooks in Afrikaans. An existing Afrikaans pronunciation dictionary and corpus of Afrikaans speech data are used to generate baseline acoustic models. The baseline system achieves an average ...Read more
Author:McDonald, Andre MDate:Oct 2015South Africa is growing increasingly reliant on information and communications technology (ICT) to provide access to information and services. In making progress towards bridging the digital divide, our country now faces a host of increasingly ...Read more
Author:Hunter, LDate:Jul 1973The effect of wetting wool worsted yarns prior to testing on the twist values obtained by the double untwist-twist and untwist-retwist on tested on an automatic twist tester has been investigated.Read more
Author:Barnard, E; Davel, MDate:Nov 2006The phonetic segmentation of recorded speech is a crucial factor in the quality of concatenative systems for speech synthesis. The authors describe a likelihood-based error detection process that can be used to flag possible errors in such a ...Read more
Author:Le Roux, E; Ndiaye, M; Abu-Mahfouz, Adnan MIDate:Jun 2021The article proposes a gate automation system based on automatic number plate recognition (ANPR). The system uses a convolutional neural network (CNN) to identify and classify each number plate which is then compared to a database of authorized ...Read more
Author:Jansen van Rensburg, Gerhardus J; Kok, SDate:Jan 2011The accuracy with which a recent elastic surface registration algorithm deforms the complex geometry of a skull is examined. This algorithm is then coupled to a line based algorithm as is frequently used in patient specific feature registration. ...Read more