Author:Van Deventer, Heidi; Cho, Moses A; Mutanga, O; Naidoo, Laven; Dudeni-Tlhone, NDate:Oct 2014Swamp and mangrove forests are some of the most threatened forest types in the world. In Africa, these forests are essential in providing food, construction material and medicine to people. These forest types have not sufficiently been mapped ...Read more
Author:Featherstone, CoralDate:Nov 2013Could social media, and in particular, microblogs such as Twitter, play a part in helping to track criminal movement? The aim of this paper is to narrow the focus of this broader problem of using social media to crowdsource information to ...Read more
Author:Van Wyk, Llewellyn VDate:Jul 2012Government adopted A National Framework for Green Building in South Africa (NFGBSA) in November 2011 as its official policy toward green building. The NFGBSA assists Government in meeting its sustainable development commitments through its ...Read more
Author:Ogunleye, S; Botha, Adèle; Ford, M; Tolmay, JP; Krause, CDate:Dec 2009This paper describes the design, implementation and evaluation a mobile learning technology, namely IGLOO for mobile devices. It is intended to support educators as well as students in a learning environment. A working prototype system is ...Read more
Author:Scholes, RJ; Pienaar, MDate:Oct 2012Planning in the economic, population, energy, land and water domains can no longer occur in isolation. The challenge is to provide innovative ways to address the complexities
of inter- and cross-sectoral planning. The IkusaSA project is a ...Read more
Author:Luo, H; Vaivars, G; Mathe, Mahlanyane K; Zheng, HaitaoDate:Aug 2009The proton exchange membrane is a key component of polymer electrolyte membrane fuel cell (PEMFC). It plays an important role, conducts protons and separates the fuel from oxidant in PEMFC. DuPont’s Nafion is a perfluorinated sulfonic acid ...Read more
Author:Botha, Gerda N; Wessels, Gert JC; Botha, Natasha; Van Eden, BeatriceDate:Jan 2019SEM images are crucial in the characterisation of material properties. These images can be very hard to interpret without any prior knowledge of the material. This paper discusses a pre-processing method for assisting convolutional Neural ...Read more
Author:Nelufule, NthatheniDate:Mar 2019Image quality assessment plays an important role in enhancing the performance of pattern recognition systems, including biometric systems. Although, quality assessment methods have been utilized for iris recognition on adults they have not ...Read more
Author:Faniso-Mnyaka, Zimbini; Skosana, Vusi J; Nana, Muhammad A; Magidimisha, EdwinDate:Oct 2022Over the past two decades, there has been a surge of interest in the study of image quality assessment due to its broad applicability in many fields. Satellites and other remote sensing applications have been collecting vital data that is ...Read more
Author:Burke, Michael GDate:Dec 2016The ability to predict the importance of an image is highly desirable in computer vision. This work introduces an image ranking scheme suitable for use in video or image sequences. Pairwise image comparisons are used to determine image ...Read more
Author:Mdakane, Lizwe W; Kleynhans, Waldo; Schwegmann, Colin P; Meyer, Rory GVDate:Jul 2017Oil spills present a major threat to the sea ecosystem and thus need to be monitored on a regular basis. Synthetic Aperture Radar (SAR) data is well known for ocean monitoring capabilities. SENTINEL 1 (SEN1) extra wide (EW) mode data and ...Read more
Author:Stoltz, George GDate:Jan 2019A distributed camera system can consist of multiple camera groups. An image stitch is created by each group and transmitted to a central processing unit. The central processing combines all received images into an image stitch. The camera ...Read more
Author:Twala, BV; Sewell, BT; Jordaan, JDate:Jan 2010Immobilisation of enzymes is of considerable interest due to the advantages over soluble enzymes, including improved stability and recovery. Glucose Dehydrogenase (GDH) is an important biocatalytic enzyme due to is ability to recycle the ...Read more
Author:Bannister, MDate:Apr 2011Comparative assessment polyphenol oxidase immobilized on Dendrispheres with immobilization on Eupergit C, Eupergit C 250L and DEAE Sephadex A-25 based on enzyme loading capacity, activity, stability and recyclability.Read more
Author:Meyer, ADate:01 Sep 2010The increase in equatorial temperatures and the presence of an ozone hole over Antarctica have caused an increase in the pole-to-equator pressure gradient with a concomitant intensification of the high-latitude westerlies (Cai et al., 2006). ...Read more
Author:Chani, T; Jembere, E; Kabanda, SK; Mutanga, MB; Adigun, MODate:Sep 2009Service Level Agreements (SLAs) have been identified as an important tool in guaranteeing Quality of Service (QoS) in Grid service provisioning and consumption in commercial Grids. SLA templates are commonly drawn and predefined by Grid service ...Read more
Author:Oelofse, Suzanna HHDate:Jul 2020This presentation focuses on the impact of COVID-19 on food waste globally and in South Africa. In South Africa, effects of food wastes resulted in the increase of inefficiencies in the movement of food produce, as well as citrus exports to ...Read more
Author:Phahlamohlaka, Letlibe J; Hefer, JDate:Jun 2019Our aim in this paper is to analyse the possible impact of the Cybercrimes and Cybersecurity Bill on the institutions charged with the responsibility to enforce it as outlined in chapter 6 of the Bill. The analysis is conducted using selected ...Read more