Author:Debba, PraveshDate:2009Most spectral unmixing techniques are variants of algorithms involving matrix inversion. Major problem in spectral unmixing is the non-orthogonality of end-members. The ability to estimate abundances in complex mixtures through spectral ...Read more
Author:Mashiri, M; Maponya, G; Nkuna, Z; Dube, S; Chakwizira, J; Marrian, BDate:Jul 2008This paper seeks to unpack the relationship between mobility and accessibility on the one hand, and rural healthcare delivery on the other, within the ambit of the sustainable livelihoods approach using four villagers in the Thaba Chweu ...Read more
Author:Forbes, A; Schulze, C; Ngcobo, Sandile; Flamm, D; Naidoo, Darryl; Dudley, Angela L; Duparre, MDate:Feb 2013Modal decomposition of optical fields as a concept has been in existence for many decades, yet despite its clear applications to laser beam analysis it has nevertheless remained a seldom used tool. With the commercialization of liquid crystal ...Read more
Author:Mokonyama, Mathetha T; Lehasa, S; Venter, CDate:Aug 2010Recent improvements to the public transport offerings available to South African commuters are managing to attract a small but loyal patronage from among the car-owning public. The improved services provide opportunities for studying the ...Read more
Author:Kleynhans, N; De Wet, Febe; Barnard, EDate:Nov 2015Large amounts of untranscribed audio data are generated every day. These audio resources can be used to develop robust acoustic models that can be used in a variety of speech-based systems. Manually transcribing this data is resource intensive ...Read more
Author:Monamo, Patrick; Marivate, Vukosi N; Twala, BDate:Aug 2016The rampant absorption of Bitcoin as a cryptographic currency, along with rising cybercrime activities, warrants utilization of anomaly detection to identify potential fraud. Anomaly detection plays a pivotal role in data mining since most ...Read more
Author:Kleynhans, NDate:Nov 2014Using a speech recognition system to convert spoken audio to text can enable the structuring of large collections of spoken audio data. A convenient means to summarise or cluster spoken data is to identify the topic under discussion. There ...Read more
Author:Botha, Adèle; Cronje, JC; Ford, MDate:May 2007The purpose of this paper is to propose a conceptual framework for the integration and evaluation of mobile technology in educational settings. Research in the development of platforms and initiatives for and in education often displays ...Read more
Author:Kruger, AC; Retief, JV; Goliger, Adam MDate:Jul 2011This paper provides an outline of the process followed to compile the information that should serve as input for the determination of the characteristic wind speed across the country. The main aspects considered here are the physical conditions, ...Read more
Author:Jaku, EP; Toper, AZ; Jager, AJDate:Mar 2001A database was developed in 1990 to store and allow analysis of information on rockfall and rockburst fatal accidents that have occurred in the South African gold mining industry. The information populating the database is extracted from the ...Read more
Author:Mashiri, M; Kristan, K; Marian, B; Elrahman, OADate:May 2007With the help of some practical examples, this paper seeks to highlight the importance of technology transfer, not only in stimulating innovation, but also in broadening livelihood opportunities as well as in strengthening local institutions. ...Read more
Author:Venter, C; Mokonyama, Mathetha TDate:Jul 2009The paper describes the development of a prototype transport model to be used for high-level evaluation of a potentially large number of alternative land use-transport scenarios. It uses advanced logit modelling to capture travel behaviour ...Read more
Author:Landman, KDate:Jul 2000In many neighbourhoods in South Africa, especially Johannesburg, residents have acted in an apparent attempt to prevent crime in their areas. In several instances this results in enclosed neighbourhoods with controlled access. These people ...Read more
Author:Du Plessis, CDate:Jun 2009Planning problems have been described as inherently wicked, that are difficult to define, unpredictable, and defying standard principles of science and rational decision making. Sustainability science is a new area of science that focuses ...Read more
Author:Gibberd, Jeremy TDate:Sep 2016Existing city planning and implementation processes are ‘tried and tested’ and have proven to be a successful means of planning and implementing large-scale infrastructure projects in cities. However an increasing interest in developing more ...Read more
Author:Breetzke, K; Jacobs, NDate:Apr 2008There is ongoing debate with regard to the levels of service provision in urban and rural areas. However, progress with respect to the delivery of planned services can only be efficiently and equitably measured once benchmarks for different ...Read more
Author:Govender, Ireshyn S; Mokoena, Rethabile; Stoychev, Stoyan; Naicker, PrevinDate:Sep 2023Urine provides a diverse source of information related to a patient’s health status and is ideal for clinical proteomics due to its ease of collection. To date, most methods for the preparation of urine samples lack the throughput required ...Read more
Author:Naidoo, Shahen; Dube, CDate:Jul 2008There has been a paradigm shift in recent years from efficient techniques of accessing data to effective information access. The challenge facing researchers working in information access is how to help users easily locate the information ...Read more