Author:Geldasa, FT; Kebede, Mesfin A; Shura, MW; Hone, FGDate:Feb 2022Among the existing commercial cathodes, Ni-rich NCM are the most promising candidates for next-generation LIBs because of their high energy density, relatively good rate capability, and reasonable cycling performance. However, the surface ...Read more
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:Louvel, S; Moodley, N; Seibert, I; Steenkamp, P; Nthambeleni, R; Vidal, V; Maharaj, V; Klimkait, TDate:May 2013As Alepidea amatymbica is commonly used and accepted asmedicinal plant in South Africa for various indications, the scientific basis of its anecdotally described, putative anti-HIV propertieswas investigated. To this aim, we used an accelerated ...Read more
Author:Razdolescu, AC; Broda, R; Cassette, P; Simpson, BRS; Van Wyngaardt, WMDate:Oct 2006The paper summarizes the IFIN-HH triple coincidence liquid scintillation counter used for the implementation of the TDCR method. The electronic unit was recently extended to record the three individual double coincidence ratios to take into ...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:Roberts, JW; Van Aardt, JAN; Ahmed, FBDate:Jan 2011This research explores the potential benefits of fusing active and passive medium resolution satellite-borne sensor data for forest structural assessment. Image fusion was applied as a means of retaining disparate data features relevant to ...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:Mdakane, Lizwe W; Kleynhans, WaldoDate:Jun 2017Oil slick events caused due to bilge leakage/dumps from ships and from other anthropogenic sources pose a threat to the aquatic ecosystem and need to be monitored on a regular basis. An automatic image-segmentation-based framework to detect ...Read more
Author:Twala, BV; Sewell, BT; Jordaan, JDate:Mar 2012The use of enzymes in industrial applications is limited by their instability, cost and difficulty in their recovery and re-use. Immobilisation is a technique which has been shown to alleviate these limitations in biocatalysis. Here we describe ...Read more