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Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author "De Freitas, Allan"

Now showing items 1-7 of 7

A computable general equilibrium model as a banking sector regulatory tool in South Africa

Beyers, Frederik Johannes Conradie; De Freitas, Allan; Essel-Mensah, Kojo Amonkwandoh; Seymore, Reyno; Tsomocos, Dimitrios P. (Wiley, 2022-03)

A computable general equilibrium (CGE) model is used as a regulatory tool for the banking sector in South Africa. The model is used to determine the effects of regulatory penalties, capital adequacy requirements (CAR) and ...
A computable general equilibrium model for banking sector risk assessment in South Africa

Beyers, Conrad F.J.; De Freitas, Allan; Essel-Mensah, Kojo Amonkwandoh; Seymore, Reyno; Tsomocos, Dimitrios P. (Springer, 2020-06)

In this article a banking sector Computable general equilibrium (CGE) model for South Africa is developed. The model is used to estimate the potential effect of regulatory policy on the economy and as a risk assessment ...
End-to-end automated speech recognition using a character based small scale transformer architecture

Loubser, Alexander; De Villiers, Johan Pieter; De Freitas, Allan (Elsevier, 2024-10)

This study explores the feasibility of constructing a small-scale speech recognition system capable of competing with larger, modern automated speech recognition (ASR) systems in both performance and word error rate (WER). ...
A hybrid convolutional neural network-transformer method for received signal strength indicator fingerprinting localization in long range wide area network

Lutakamale, Albert Selebea; Myburgh, Hermanus Carel; De Freitas, Allan (Elsevier, 2024-07)

In recent years, low-power wide area networks (LPWANs), particularly Long-Range Wide Area Network (LoRaWAN) technology, are increasingly being adopted into large-scale Internet of Things (IoT) applications thanks to having ...
Joint inference of dominant scatterer locations and motion parameters of an extended target in high range-resolution radar

De Freitas, Allan; De Villiers, Johan Pieter; Nel, W.A.J. (Institution of Engineering and Technology, 2015-06)

A target of interest measured by a high range resolution radar may be modelled by multiple dominant points of reflections referred to as dominant scatterers. In this paper a non-linear state space setting is used to model ...
Phenomics for sustainable production in the South African dairy and beef cattle industry

Visser, Carina; Van Marle-Koster, Este; Myburgh, Hermanus Carel; De Freitas, Allan (Oxford University Press, 2020-04)

Phenotypic and pedigree recording of livestock remains a challenge in developing countries with informal agricultural sectors. Automated technologies would assist commercial farmers to become more efficient and productive, ...
Track-to-track association for intelligent vehicles by preserving local track geometry

Zou, Ke; Zhu, Hao; De Freitas, Allan; Li, Yongfu; Najafabadi, Hamid Esmaeili (MDPI Publishing, 2020-03-04)

Track-to-track association (T2TA) is a challenging task in situational awareness in intelligent vehicles and surveillance systems. In this paper, the problem of track-to-track association with sensor bias (T2TASB) is ...

Now showing items 1-7 of 7

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Browsing Research Articles (Electrical, Electronic and Computer Engineering) by Author "De Freitas, Allan"

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