Department of Computer Science: Recent submissions
Now showing items 61-80 of 119
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Performance estimation of wireless networks using traffic generation and monitoring on a mobile device.
(University of the Western Cape, 2015)In this study, a traffic generator software package namely MTGawn was developed to run packet generation and evaluation on a mobile device. The call generating software system is able to: simulate voice over Internet ... -
Processing hidden Markov models using recurrent neural networks for biological applications
(University of the Western Cape, 2013)In this thesis, we present a novel hybrid architecture by combining the most popular sequence recognition models such as Recurrent Neural Networks (RNNs) and Hidden Markov Models (HMMs). Though sequence recognition problems ... -
Towards a unified modelling framework for adaptive networks.
(University of the Western Cape, 2014)Adaptive networks are complex networks with nontrivial topological features and connection patterns between their elements which are neither purely regular nor purely random. Their applications are in sociology, biology, ... -
Packet aggregation for voice over internet protocol on wireless mesh networks
(University of the Western Cape, 2012)This thesis validates that packet aggregation is a viable technique to increase call capacity for Voice over Internet Protocol over wireless mesh networks. Wireless mesh networks are attractive ways to provide voice services ... -
A comparison of machine learning techniques for hand shape recognition
(University of the Western Cape, 2015)There are five fundamental parameters that characterize any sign language gesture. They are hand shape, orientation, motion and location, and facial expressions. The SASL group at the University of the Western Cape has ... -
Hand shape estimation for South African sign language
(University of the Western Cape, 2012)Hand shape recognition is a pivotal part of any system that attempts to implement Sign Language recognition. This thesis presents a novel system which recognises hand shapes from a single camera view in 2D. By mapping the ... -
Understanding the factors that influence trust in e-services: a case study of a wireless mesh network implementation in Mankosi, South Africa
(University of the Western Cape, 2014)This thesis deals with the design of a business model for rural telephony based on a wireless mesh network for a rural community, the Mankosi community, located in the Eastern Cape Province of South Africa. Its aim is to ... -
Avatar animation from SignWriting notation
(University of the Western Cape, 2015)The SASL project at the University of the Western Cape is in the process of developing a machine translation system that can translate fully-fledged phrases between South African Sign Language (SASL) and English in ... -
Development of a health management information system using agile software-engineering methods
(2013)The purpose of this thesis is to discuss the development of a web application from scratch. It serves to build a health management information system from basic principles and covers all the software engineering activities ... -
Context-awareness for adaptive information retrieval systems
(University of the Western Cape, 2014)This research study investigates optimization of IRS to individual information needs in order of relevance. The research addressed development of algorithms that optimize the ranking of documents retrieved from IRS. In ... -
Towards ensuring scalability, interoperability and efficient access control in a triple-domain grid-based environment
(2012)The high rate of grid computing adoption, both in academe and industry, has posed challenges regarding efficient access control, interoperability and scalability. Although several methods have been proposed to address ... -
End-to-end single-rate multicast congestion detection using support vector machines
(2008)IP multicast is an efficient mechanism for simultaneously transmitting bulk data to multiple receivers. Many applications can benefit from multicast, such as audio and videoconferencing, multi-player games, multimedia ... -
Short message service normalization for communication with a health information system
(2011)Short Message Service (SMS) is one of the most popularly used services for communication between mobile phone users. In recent times it has also been proposed as a means for information access. However, there are several ... -
An integrated sign language recognition system
(University of Western Cape, 2014)Research has shown that five parameters are required to recognize any sign language gesture: hand shape, location, orientation and motion, as well as facial expressions. The South African Sign Language (SASL) research ... -
Robust South African sign language gesture recognition using hand motion and shape
(2014)Research has shown that five fundamental parameters are required to recognize any sign language gesture: hand shape, hand motion, hand location, hand orientation and facial expressions. The South African Sign Language ... -
Faster upper body pose recognition and estimation using compute unified device architecture
(University of Western Cape, 2013)The SASL project is in the process of developing a machine translation system that can translate fully-fledged phrases between SASL and English in real-time. To-date, several systems have been developed by the project ... -
An intelligent vertical handoff decision algorithm in next generation wireless networks
(2010)Seamless mobility is the missing ingredient needed to address the inefficient communication problems faced by the field workforces of service companies that are using field workforce automation solutions to streamline and ... -
Robust facial expression recognition in the presence of rotation and partial occlusion
(University of Western Cape, 2014)This research proposes an approach to recognizing facial expressions in the presence of rotations and partial occlusions of the face. The research is in the context of automatic machine translation of South African Sign ... -
Usability and content verification of a mobile tool to help a deaf person with pharmaceutical instruction
(University of Western Cape, 2014)This thesis describes a multi-disciplinary collaboration towards iterative development of a mobile communication tool to support a Deaf person in understanding usage directions for medication dispensed at a pharmacy. We ... -
Independent hand-tracking from a single two-dimensional view and its application to South African sign language recognition
(University of Western Cape, 2014)Hand motion provides a natural way of interaction that allows humans to interact not only with the environment, but also with each other. The effectiveness and accuracy of hand-tracking is fundamental to the recognition ...