Browsing by Author "Dept. of Computer Science"
Now showing items 1-20 of 34
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An analysis of voice over internet protocol in wireless mesh networks
Meeran, Mohammad Tariq (University of the Western Cape, 2012)This thesis presents an analysis of the impact of node mobility on the quality of service for voice over Internet Protocol in wireless mesh networks. Voice traffic was simulated on such a mesh network to analyze the ... -
Articulated structure from motion
Scheffler, Carl (University of the Western Cape, 2004)The structure from motion (SfM) problem is that of determining 3-dimensional (3D) information of a scene from sequences of 2-dimensional (2D) images [59]. This information consists of object shape and motion and relative ... -
Browser-based and mobile video communication alternatives for Deaf people
Wang, Yuanyuan (University of the Western Cape, 2011)This thesis offers some prototypes to provide browser-based and mobile video communication services for Deaf people and evaluates these prototypes. The aim of this research is to identify an acceptable video communication ... -
Carrier grade adaptation for an IP-based multimodal application server: moving the softbridge into SLEE
Sun, Tao (University of the Western Cape, 2004)Providing carrier grade characteristics for Internet Protocol (IP) communication applications is a significant problem for IP application providers in order to offer integrated services that span IP and telecommunication ... -
Chereme-based recognition of isolated, dynamic gestures from South African sign language with Hidden Markov Models
Rajah, Christopher (University of the Western Cape, 2006)Much work has been done in building systems that can recognize gestures, e.g. as a component of sign language recognition systems. These systems typically use whole gestures as the smallest unit for recognition. Although ... -
Comparison and evaluation of mass video notification methods used to assist Deaf people
Hoorn, Ryno (University of the Western Cape, 2012)In South Africa, Deaf people communicate with one another and the broader community by means of South African Sign Language. The majority of Deaf people who have access to a mobile phone (cell phone) use Short Message ... -
Data mining, fraud detection and mobile telecommunications: call pattern analysis with unsupervised neural networks
Abidogun, Olusola Adeniyi (University of the Western Cape, 2005)Huge amounts of data are being collected as a result of the increased use of mobile telecommunications. Insight into information and knowledge derived from these databases can give operators a competitive edge in terms of ... -
The efficacy of the Eigenvector approach to South African sign language identification
Segers, Vaughn Mackman (University of the Western Cape, 2010)The communication barriers between deaf and hearing society mean that interaction between these communities is kept to a minimum. The South African Sign Language research group, Integration of Signed and Verbal Communication: ... -
Ellection markup language (EML) based tele-voting system
Gong, XiangQi (University of the Western Cape, 2009)Elections are one of the most fundamental activities of a democratic society. As is the case in any other aspect of life, developments in technology have resulted changes in the voting procedure from using the traditional ... -
Guaranteed delivery of multimodal semi-synchronous IP-based communication.
Julius, Elroy Peter (University of the Western Cape, 2005)A semi-synchronous environment consists of a combination of synchronous and asynchronous transport media used to transport messages from source to destination. This thesis explores an empirical solution for guaranteeing ... -
Inexpensive mobile technologies to empower rural farmers with m-agriculture
Iraba, Marie Louise (University of the Western Cape, 2010)Market information and established communication between seller and buyer play an important role in business activities. This thesis investigates the Transkei area in the Eastern Cape Province, South Africa to find out ... -
An intelligent vertical handoff decision algorithm in next generation wireless networks
Nkansah-Gyekye, Yaw (University of the Western Cape, 2010)The objective of the thesis research is to design such vertical handoff decision algorithms in order for mobile field workers and other mobile users equipped with contemporary multimode mobile devices to communicate ... -
KernTune: self-tuning Linux kernel performance using support vector machines
Yi, Long (University of the Western Cape, 2006)Self-tuning has been an elusive goal for operating systems and is becoming a pressing issue for modern operating systems. Well-trained system administrators are able to tune an operating system to achieve better system ... -
Metric of trust for mobile ad hoc networks using source routing algorithms
Umuhoza, Denise (University of the Western Cape, 2006)This thesis proposed and presented technical details of new probabilistic metrics of trust in the links wireless ad hoc networks for unobservable communications. In covert communication networks, only the end nodes are ... -
Mobile presentations with interactive chat for m-Learning
Wanyonyi, David Wafula (University of the Western Cape, 2010)Using presentations in an m-Learning environment enables delivery of rich content to a mobile phone learner. This study investigated how to prepare and stream presentations from a desktop computer to a mobile phone in ... -
Mobility management for Wi-Fi infrastructure and mesh networks
Chitedze, Zimani (University of the Western Cape, 2012)This thesis shows that mobility management protocols for infrastructure Internet may be used in a wireless mesh network environment. In this research Mobile IPv6 and Fast Handover for Hierarchical Mobile IPv6 are successfully ... -
Models and applications of wireless networks in rural environments
Li, Yang (University of the Western Cape, 2005)With the unprecedented growth of the communication industry that the world is experiencing, the demand from rural inhabitants for high quality communications at an economically affordable cost is growing. However, rural ... -
Policy based network management of legacy network elements in next generation networks for voice services
Naidoo, Vaughn (University of the Western Cape, 2002)Telecommunication companies, service providers and large companies are now adapting converged multi-service Next Generation Networks (NGNs). Network management is shifting from managing Network Elements (NE) to managing ... -
Remote surveillance and face tracking with mobile phones (smart eyes)
Da Silva, Sandro Cahanda Marinho (University of the Western Cape, 2005)This thesis addresses analysis, evaluation and simulation of low complexity face detection algorithms and tracking that could be used on mobile phones. Network access control using face recognition increases the user-friendliness ... -
Rendering an avatar from sign writing notation for sign language animation
Moemedi, Kgatlhego Aretha (University of the Western Cape, 2010)This thesis presents an approach for automatically generating signing animations from a sign language notation. An avatar endowed with expressive gestures, as subtle as changes in facial expression, is used to render the ...