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Articles 1 - 30 of 47
Full-Text Articles in Computer Sciences
Ransomware Behavioural Analysis On Windows Platforms, Nikolai Hampton, Zubair A. Baig, Sherali Zeadally
Ransomware Behavioural Analysis On Windows Platforms, Nikolai Hampton, Zubair A. Baig, Sherali Zeadally
Research outputs 2014 to 2021
Ransomware infections have grown exponentially during the recent past to cause major disruption in operations across a range of industries including the government. Through this research, we present an analysis of 14 strains of ransomware that infect Windows platforms, and we do a comparison of Windows Application Programming Interface (API) calls made through ransomware processes with baselines of normal operating system behaviour. The study identifies and reports salient features of ransomware as referred through the frequencies of API calls
Sleep Monitor: A Tool For Monitoring And Categorical Scoring Of Lying Position Using 3d Camera Data, Martin Masek, Chiou Peng Lam, Cameron Tranthim-Fryer
Sleep Monitor: A Tool For Monitoring And Categorical Scoring Of Lying Position Using 3d Camera Data, Martin Masek, Chiou Peng Lam, Cameron Tranthim-Fryer
Research outputs 2014 to 2021
We present a software package for analysing body positions of a subject when they are lying or sleeping in their bed. The software is designed to interface to inexpensive sensors, such as the Microsoft Kinect, and is thus suitable for monitoring at the subjects own home, rather than a dedicated sleep lab. The system is invariant to bed clothing and levels of ambient lighting. Analysis time for a single night session is under five minutes, a significant improvement over the 30–60 min analysis time reported in the literature.
A Compact, Flexible Fiber-Optic Surface Plasmon Resonance Sensor With Changeable Sensor Chips, David Michel, Feng Xiao, Kamal Alameh
A Compact, Flexible Fiber-Optic Surface Plasmon Resonance Sensor With Changeable Sensor Chips, David Michel, Feng Xiao, Kamal Alameh
Research outputs 2014 to 2021
We propose and demonstrate the concept of a novel compact, flexible fiber optic Surface Plasmon Resonance (SPR) sensor based on a double-pass Kretschmann-type configuration, where the SPR sensor chip can be replaced for various sensing applications. Simulation and experimental results demonstrate that the proposed fiber-optic SPR structure has a sensitivity to salt concentration of around 4.8 μW/ppt.
A Sound Idea: An Investigation Into Accessible Video Game Design For The Deaf And Hard Of Hearing, Luke James Brook
A Sound Idea: An Investigation Into Accessible Video Game Design For The Deaf And Hard Of Hearing, Luke James Brook
Theses: Doctorates and Masters
A widely accepted, and incorrect, assumption towards hearing accessibility in video games is that deaf and hard of hearing (DHH) users are those who encounter the least barriers and are generally well catered for. Rapid advancement in video game technology has seen video game sound evolve from simple blips generated by internal circuitry to fully realised digital audio used to convey critical information. To accommodate the DHH, this information needs to be conveyed in an alternative manner. However, evidence suggests existing accessible design solutions for the DHH lack specificity and are insufficient. Thus, the inability to hear, or hear well, …
Hybrid Intelligent Model For Software Maintenance Prediction, Abdulrahman Ahmed Bobakr Baqais, Mohammad Alshayeb, Zubair A. Baig
Hybrid Intelligent Model For Software Maintenance Prediction, Abdulrahman Ahmed Bobakr Baqais, Mohammad Alshayeb, Zubair A. Baig
Research outputs 2014 to 2021
Maintenance is an important activity in the software life cycle. No software product can do without undergoing the process of maintenance. Estimating a software’s maintainability effort and cost is not an easy task considering the various factors that influence the proposed measurement. Hence, Artificial Intelligence (AI) techniques have been used extensively to find optimized and more accurate maintenance estimations. In this paper, we propose an Evolutionary Neural Network (NN) model to predict software maintainability. The proposed model is based on a hybrid intelligent technique wherein a neural network is trained for prediction and a genetic algorithm (GA) implementation is used …
Application Of Cellular Neural Networks And Naive Bayes Classifier In Agriculture, Oluleye H. Babatunde, Leisa Armstrong, Jinsong Leng, Dean Diepeveen
Application Of Cellular Neural Networks And Naive Bayes Classifier In Agriculture, Oluleye H. Babatunde, Leisa Armstrong, Jinsong Leng, Dean Diepeveen
Research outputs 2014 to 2021
This article describes the use of Cellular Neural Networks (a class of Ordinary Differential Equation (ODE)), Fourier Descriptors (FD) and NaiveBayes Classifier (NBC) for automatic identification of images of plant leaves. The novelty of this article is seen in the use of CNN for image segmentation and a combination FDs with NBC. The main advantage of the segmentation method is the computation speed compared with other edge operators such as canny, sobel, Laplacian of Gaussian (LoG). The results herein show the potential of the methods in this paper for examining different agricultural images and distinguishing between different crops and weeds …
Mobile Applications For Indian Agriculture Sector: A Case Study, Pratik Shah, Niketa Gandhi, Leisa Armstrong
Mobile Applications For Indian Agriculture Sector: A Case Study, Pratik Shah, Niketa Gandhi, Leisa Armstrong
Research outputs 2014 to 2021
Government, private agencies and the general public are often interested in the decisions made by the Indian farmers as they have large influences beyond the farm boundary. Over many years, the process of adoption of new technologies and policies in the Indian agricultural sector has received considerable academic attention highlighting the role of many social, financial and other influences on their decision making. The Indian government and other development agencies promote income generating projects as a way of encouraging growth through increased agricultural production and the protection of the natural resource base. The impact of new technology to economic growth …
Human Factors And Cultural Influences In Implementing Agile Philosophy And Agility In Global Software Development, Anuradha Sutharshan
Human Factors And Cultural Influences In Implementing Agile Philosophy And Agility In Global Software Development, Anuradha Sutharshan
Theses: Doctorates and Masters
As software becomes increasingly important to all aspects of industry, developers should be encouraged to adopt best practice and hence improve the quality of the processes used, and achieve targets relating to time, budget and quality. In the software industry, several software methodologies have been used to address software development problems; however some of these processes may be too bureaucratic. The Agile Alliance formed in 2001, sought to address this problem; accordingly, they developed a manifesto and twelve principles, to which all agile software methods adhere. The purpose of the manifesto and its principles is to uncover better ways of …
Teaching Software Engineering Project Management-A Novel Approach For Software Engineering Programs, Craig Caulfield, David Veal, Stanislaw Maj
Teaching Software Engineering Project Management-A Novel Approach For Software Engineering Programs, Craig Caulfield, David Veal, Stanislaw Maj
Research outputs 2011
In response to real and perceived short-comings in the quality and productivity of software engineering practices and projects, professionally-endorsed graduate and post-graduate curriculum guides have been developed to meet technical developments and evolving industry demands. Each of these curriculum guidelines identifies better software project management skills as critical for all graduating students, but they provide little guidance on how to achieve this. One possible way is to use a serious game - a game designed to teach and educate players about some of the dynamic complexities of the field in a safe and inexpensive environment. This paper presents the results …
Determinants Of Knowledge Mapping Adoption In Software Maintenance, Joseph K. Lee
Determinants Of Knowledge Mapping Adoption In Software Maintenance, Joseph K. Lee
Theses: Doctorates and Masters
Knowledge Maps (KMaps) could be ideally suited for resolving many of the traceability problems in computer software maintenance. This thesis provides an understanding of the various factors that will encourage or impede the software maintenance community to adopt KMaps as part of their process. ABC Company in Perth, Western Australia, was chosen as the research site because it is a multinational software development company with customers in many major cities around the world. Since Knowledge Mapping (KMapping) is relatively new to most software staffers, it was necessary to develop a Software Maintenance KMap prototype. A literature review of KMapping, innovation …
An Evaluation Of Omg Sysml 1.0a Standard Conformance Between Modelling Tools, Andrew James Campbell
An Evaluation Of Omg Sysml 1.0a Standard Conformance Between Modelling Tools, Andrew James Campbell
Theses : Honours
The SysML is a recent introduction to modelling languages for the systems engineering domain. Modelling tools are offering support for its notation. Studies related to the UML have indicated that modelling tools lack compliance to the UML language. This issue may apply equally to the SysML and the aim of this research is to investigate that language compliance issue. The first phase of this research is concerned with the compliance of current modelling tools to the SysML l.0a Final Adopted Specification (PAS). It consists of a comparative evaluation of candidate tools based on an ideal framework derived from the language …
A Comparison Of Edge Detection Methods For Segmentation Of Skin Lesions In Mobile-Phone-Quality Images, Khanh Linh Hua
A Comparison Of Edge Detection Methods For Segmentation Of Skin Lesions In Mobile-Phone-Quality Images, Khanh Linh Hua
Theses : Honours
The world is faced with a rapidly increasing number of skin cancers every year. Melanoma is the most deadly type of skin cancer though it can be treated if it has been detected at an early stage. However, there is a shortage of dermatologists in rural areas. The increasing number of camera phones, together with improved coverage in rural areas gives some potential for tele-dermatology, whereby people with no local access to a dermatologist can send images of suspicious skin lesions to an expert for assessment. Merely relaying images to a human expert solves only part of the problem, there …
Sub Space: Enhancing The Spatial Awareness Of Trainee Submariners Using 3d Simulation Environments, Michael Garrett
Sub Space: Enhancing The Spatial Awareness Of Trainee Submariners Using 3d Simulation Environments, Michael Garrett
Theses : Honours
Rapid advancements in computer technology have facilitated the development of practical and economically feasible three dimensional (3D) computer-generated simulation environments that have been utilized for training in a number of different fields. In particular, this development has been heavily influenced by innovations within the gaming industry, where First Person Shooter (FPS) games are often considered to be on the cutting edge of gaming technology in terms of visual fidelity and performance. 3D simulation environments built upon FPS gaming technologies can be used to realistically represent real world places, while also providing a dynamic and responsive experiential based learning environment for …
2d-Barcode For Mobile Devices, Hiroko Kato
2d-Barcode For Mobile Devices, Hiroko Kato
Theses : Honours
2D-barcodes were designed to carry significantly more data than its 1D counterpart. These codes are often used in industrial information tagging applications where high data capacity, mobility, and data robustness are required. Wireless mobile devices such as camera phones and Portable Digital Assistants (PDAs) have evolved from just a mobile voice communication device to what is now a mobile multimedia computing platform. Recent integration of these two mobile technologies has sparked some interesting applications where 2D-barcodes work as visual tags and/or information source and camera phones performs image processing tasks on the device itself. One of such applications is hyperlink …
Evaluation Of An Esperanto-Based Interlingua Multilingual Survey Form Machine Translation Mechanism Incorporating A Sublanguage Translation Methodolgy, Richard Boddington
Evaluation Of An Esperanto-Based Interlingua Multilingual Survey Form Machine Translation Mechanism Incorporating A Sublanguage Translation Methodolgy, Richard Boddington
Theses : Honours
Translation costs restrict the preparation of medical survey and other questionnaires for migrant communities in Western Australia. This restriction is compounded by a lack of affordable and accurate machine translation mechanisms. This research investigated and evaluated combined strategies intended to provide an efficacious and affordable machine translator by: • using an interlingua or pivot-language that requires less resources for its construction than contemporary systems and has the additional benefit of significant error reduction; and • defining smaller lexical environments to restrict data, thereby reducing the complexity of translation rules and enhancing correct semantic transfer between natural languages. This research focussed …
Developing Software For Wound Measurement, Savo Kordic
Developing Software For Wound Measurement, Savo Kordic
Theses : Honours
Chronic wounds such as leg ulcers, pressure ulcers and diabetic ulcers affect many thousands of people in Australia. In addition to the costs of these wounds in terms of human suffering, loss of income and resources, there are costs related to the treatment of ulcers. Thus, there is a genuine need to develop an accurate and a fully objective application for wound measurement. The aim of this project was to create software for the measurement of wounds. In achieving this goal, several issues were addressed: an accurate measurement method capable of detecting small changes in an open wound surface area, …
A Deception Based Framework For The Application Of Deceptive Countermeasures In 802.11b Wireless Networks, Suen Yek
Theses : Honours
The advance of 802.11 b wireless networking has been beset by inherent and in-built security problems. Network security tools that are freely available may intercept network transmissions readily and stealthily, making organisations highly vulnerable to attack. Therefore, it is incumbent upon defending organisations to take initiative and implement proactive defences against common network attacks. Deception is an essential element of effective security that has been widely used in networks to understand attack methods and intrusions. However, little thought has been given to the type and the effectiveness of the deception. Deceptions deployed in nature, the military and in cyberspace were …
Developing A Catalogue Of Errors And Evaluating Its Impact On Software Development, Indrit Troshani
Developing A Catalogue Of Errors And Evaluating Its Impact On Software Development, Indrit Troshani
Theses: Doctorates and Masters
The development of quality software is of paramount importance, yet this has been and continues to be an elusive goal for software engineers. Delivered software often fails due to errors that are injected during its development. Correcting these errors early in the development or preventing them altogether can, therefore, be considered as one way to improve software quality. In this thesis, the development of a Catalogue of Errors is described. Field studies with senior software engineering students are used to confirm that developers using the Catalogue of Errors commit fewer errors in their development artifacts. The impact of the Catalogue …
Mobile Home Security With Gprs, Duy Nguyen
Mobile Home Security With Gprs, Duy Nguyen
Theses : Honours
This thesis presents the results of an honours project on the development of a security system for use on mobile devices. Mobile Home Security (MHS) is a prototype system that aimed to fully investigate a potential use of the wireless high-speed technology General Packet Radio Service (GPRS) in transmitting video from a static location. This thesis Mobile Home Security with GPRS describes in detail the design and developmental stages for the system. The research focused on the sending of video from a security capture device over a high speed radio network. The first stage of the research involved the design …
Meeting The Challenge Of Dynamic User Requirements Using Data-Driven Techniques On A 4gl-Database Environment, Christopher Bolan
Meeting The Challenge Of Dynamic User Requirements Using Data-Driven Techniques On A 4gl-Database Environment, Christopher Bolan
Theses : Honours
Accompanying the ever-growing reliance on computers within contemporary organisations, the task of software maintenance is, increasingly, becoming a resource burden. The author has identified that there is a need for proven techniques to allow the modelling of flexible/changing user requirement, to enable systems to cope with requirements creep without suffering major code change and associated down-time from rebuilds of the database. This study ascertains the applicability of extension to current data modelling techniques that allows innate flexibility within the data model. The extension of the data model is analysed for potential benefits in the provision of such a dynamic/flexible base …
Video Compression Using Wavelets And Hierarchical Motion Estimation, Andrew Peter Byrne
Video Compression Using Wavelets And Hierarchical Motion Estimation, Andrew Peter Byrne
Theses : Honours
This thesis investigates the benefits and the significant compression that can be obtained from data that has been decomposed using a wavelet transform. A video compression algorithm was developed that employs the wavelet transform and a hierarchical motion estimation algorithm which itself utilises benefits of the wavelet transform. Using MATLAB, a popular software tool for matrix based computation and analysis, several functions were developed which together formed the video compression algorithm. A variety of tests were conducted on a sample video sequence to ascertain the strengths and weaknesses of the techniques employed. The results, although not the same as the …
Storage Free Terrain Simulation, Warren Creemers
Storage Free Terrain Simulation, Warren Creemers
Theses : Honours
Landscape visualisation is the process of recreating a natural environment and displaying it in an interactive graphical simulation. To do this a terrain is displayed together with accompanying plant life and other objects. Present landscape visualisation software is capable in theory of displaying very detailed and large landscapes. The software is also in theory capable of simulating environments with thousands if not millions of individually structured plants. In practice though, the simulation of such landscapes requires such a large amount of storage space that it is not achievable on personal computers. Even storing small landscapes with a moderate amount plant …
An Investigation Into The Use Of Software Code Metrics In The Industrial Software Development Environment, Tim Littlefair
An Investigation Into The Use Of Software Code Metrics In The Industrial Software Development Environment, Tim Littlefair
Theses: Doctorates and Masters
This work describes a project that investigates the use of software metrics based on measurement of source code in industrial software development. Literature is examined relating to considerations of quality in industry; to software engineering; to emergent technologies in the software industry including the object-oriented paradigm and software patterns; to software product and process metrics; and to cultural factors affecting workplaces in the software industry. It then expounds theoretical and practical work aimed at specifying, designing and implementing a source code analyzer for use in a typical industrial project setting. There is an explanation of the design and outcomes of …
Vhdl Design And Simulation For Embedded Zerotree Wavelet Quantisation, Hung Huynh
Vhdl Design And Simulation For Embedded Zerotree Wavelet Quantisation, Hung Huynh
Theses : Honours
This thesis discusses a highly effective still image compression algorithm – The Embedded Zerotree Wavelets coding technique, as it is called. This technique is simple but achieves a remarkable result. The image is wavelet-transformed, symbolically coded and successive quantised, therefore the compression and transmission/storage saving can be achieved by utilising the structure of zerotree. The algorithm was first proposed by Jerome M. Shapiro in 1993, however to minimise the memory usage and speeding up the EZW processor, a Depth First Search method is used to transverse across the image rather than Breadth First Search method as initially discussed in Shapiro's …
Mapcast : Real-Time Collaboration With Concept Maps, Brett Greay
Mapcast : Real-Time Collaboration With Concept Maps, Brett Greay
Theses : Honours
This thesis describes the development of the application mapCAST, a computer-based concept-mapping tool that allows synchronous collaboration via TCP/IP networks, such as the Internet The useability and feasibility of mapCAST as a computer-based tool was examined and analysed in a real world situation. Results indicate that mapCAST is successful as a collaborative tool in a situations involving knowledge organisation, but lacks certain functionality that many Macintosh users are accustomed to.
Training Methods For Shunting Inhibitory Artificial Neural Networks, Son Lam Phung
Training Methods For Shunting Inhibitory Artificial Neural Networks, Son Lam Phung
Theses : Honours
This project investigates a new class of high-order neural networks called shunting inhibitory artificial neural networks (SIANN's) and their training methods. SIANN's are biologically inspired neural networks whose dynamics are governed by a set of coupled nonlinear differential equations. The interactions among neurons are mediated via a nonlinear mechanism called shunting inhibition, which allows the neurons to operate as adaptive nonlinear filters. The project's main objective is to devise training methods, based on error backpropagation type of algorithms, which would allow SIANNs to be trained to perform feature extraction for classification and nonlinear regression tasks. The training algorithms developed will …
Light Aircraft Management System, Evan Karjalainen
Light Aircraft Management System, Evan Karjalainen
Theses : Honours
This report details methods to construct a flight data logging system that can be used to manage student flight and aircraft maintenance records. These methods utilise GPS, embedded processors and associated software to depict the occurrence of landings, "Touch and Goes" and record aircraft total flight time. By manipulating these methods it was possible to produce a usable data-logging unit which facilitated the automation of flight maneuver recording. This datatogging unit was constructed from embedded components and interfaced with a user defined database. Perusal of the details within should provide the reader with a clear understanding of the tasks involved …
Software Quality Function Deployment : A Method For Building Better Software, Dean Carruthers
Software Quality Function Deployment : A Method For Building Better Software, Dean Carruthers
Theses : Honours
In recent years it is becoming increasingly more apparent that quality even more than productivity is emerging as the key issue in the development of software. The quality systems currently employed by most software companies however arc simply not up to the task, traditional quality systems focus upon conformance to company standards, automation to eliminate human error and in some cases quality improvement teams. These traditional quality assurance methods lead to quality as defined from the organizations point of view, all work performed is done to their standards, however a what it is that makes a quality product is defined …
Implementing Flexible Software Techniques In A 4gl Environment, Stephen O'Connor
Implementing Flexible Software Techniques In A 4gl Environment, Stephen O'Connor
Theses : Honours
Today more IT professionals arc employed on the maintenance of existing software applications than are employed to develop new systems. Why is there such a need for this maintenance? Part of the problem is that developers have traditionally seen system requirements as fixed from the time they have been 'signed off. In reality requirements arc dynamic and subject to change as an organisation's environment changes. Flexible software techniques recognise that software requirements are subject to future changes. Flexibility is seen as an important design goal criterion with "true" or "strong" flexibility implying that an application's behaviour can be altered without …
Embed[D]Ed Zerotree Codec, Karma Wangdi
Embed[D]Ed Zerotree Codec, Karma Wangdi
Theses : Honours
This thesis discusses the findings of the final year project involving the VHDL (V= Very High Speed Integrated Circuit, Hardware Description Language) design and simulation of an EZT (Embedded Zero Tree) codec. The basis of image compression and the various image compression techniques that are available today have been explored. This provided a clear understanding of image compression as a whole. An in depth understanding of wavelet transform theory was vital to the understanding of the edge that this transform provides over other transforms for image compression. Both the mathematics of it and how it is implemented using sets of …