Written by Diane03/10/2025 Researcher: Wessel Bonnet, University of the Witwatersrand, JohannesburgSupervisors: Turgay Çelik, University of the Witwatersrand, Johannesburg Relative radiometric normalisation (RRN) is a widely used methodology for change detection and radiometric calibration of corresponding multispectral images for further analysis. However, standard RRN methods are not robust against anomalous (or outlier) pixels,
Written by Diane15/05/2025 Researcher: Siphosihle Lebea, University of the Witwatersrand, JohannesburgSupervisors: Dr. Martins A. Arasomwan, University of the Witwatersrand, Johannesburg
Written by Diane15/05/2025 Researcher: Kenneth Matsimbi, University of LimpopoSupervisors: Dr. Martins A. Arasomwan, University of the Witwatersrand, Johannesburg
Written by Diane15/05/2025 Data mining, a vital machine learning technique, extracts valuable information from raw data across diverse fields like healthcare, retail, logistics, military, banking, and sports. It employs supervised and unsupervised methods, with classification being the most popular. This study evaluated six common machine learning classification models across six
Written by Diane15/05/2025 Researcher: Emelia Thembile KammiesSupervisor: Dr Lyson Chaka
Written by Diane15/05/2025 Researcher: Kgoale Tshiamo MahlakoSupervisor: Dr A Whata Survival analysis is a vital field in statistics, offering valuable insights into various domains, from healthcare to epidemiology. It allows us to understand the factors that influence time-to-event outcomes. The analysis of survival data comes with its own set of
Written by Diane15/05/2025 Researcher: Joey J. AssabilSupervisor: Dr C. Obagbuwa Credit Card Fraud (CCF) hasbeen a worldwide conundrumresulting in millions of losses.The research compares theefficiency of Traditional algorithms (LogisticRegression, Decision Trees,K-Nearest Neighbor) andEnsemble algorithms(Random Forest, Adaboost,Xgboost) in detectingfraudulent patterns withindatasets.
Written by Diane15/05/2025 Researcher: Jaden Pieterse, Sol Plaatjie UniversitySupervisor: Dr Martins Arosamwan, University of the Witwatersrand, Johannesburg The need for accurate demand and sales forecasting is important for companies to perform better. Due to rapid technological development, e-commerce platforms face challenges with finding proper models to deal with market demand.
Written by Diane19/05/2025 Researcher: Vincent Mohale, Sol Plaatjie UniversitySupervisor: Dr Ibidun Obagbuwa Bloemfontein, a city, where wheat has long been a culinary cornerstone, faces a silent transformation which is underway. Wheat, the bedrock of staples like bread, cereals, and the essence of beverages such as beer and whiskey, now faces
Written by Diane19/05/2025 Researcher: Dzhivhuho Asakundwi Praisethelord, University of VendaSupervisor: Dr. M. Arasomwan