Browsing by Author "Aboura Khalid"

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Browsing by Author "Aboura Khalid"

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  • Automatic Thresholding of License Plate 
    Aboura Khalid (Inderscience Publishers, 2008)
    License plate recognition (LPR) is a well studied problem first attempted in the 1970s. The image analysis part in LPR renders the problem hard to solve perfectly, leading to continued research. A defining step is the ...
  • Bandwidth Utilisation for volume-to-volume UWB MIMO Communications 
    Aubrey Timothy; Aboura Khalid (IEEE, 2008)
    Previous studies have investigated communications between regions of space and have considered the effect of antenna volume in determining the theoretical capacity of multiple-input multiple-output (MIMO) communications ...
  • Distributed Recursive Algorithm for Auto Calibration in Drift Aware Wireless Sensor Networks 
    Takruri Maen; Aboura Khalid; Challa Subhash (Springer Netherlands, 2008)
    The purpose for wireless sensor networks is to deploy low cost sensors with sufficient computing and communication capabilities to support networked sensing applications. The emphasis on lower cost led to sensors that are ...
  • Estimating the Number of People in Buildings Using Visual Information 
    Challa Subhash; Aboura Khalid; Ravikanth Konda; Deshpande Suhrud (IEEE, 2007)
    Real time pedestrian flow information and the count of people in determined areas is essential for a multitude of management and monitoring functions. The range of applications is wide and the focus here is on the development ...
  • A likelihood approach for modeling spatial and temporal patterns of storms using radar and land data 
    Ball James; Aboura Khalid (Australian Institute of Physics, 2010)
    While the existing spatiotemporal approaches provide an estimation of the rainfall over geographical areas, they in effect provide only for an interpolation of the data. The proposed approach introduces the concept of the ...
  • Linear Regression Based Global Thresholding 
    Aboura Khalid (BroadbandCom '09, 2009)
    A large number of thresholding methods exist. These methods perform differently in various image analysis problems where they are often used locally. They are not as effective globally. Global thresholding is a difficult ...
  • Mapping and Recognition of Radio Frequency Clutter in Various Environments in Australia 
    Agbinya Johnson; Lee Vivian; Aboura Khalid; Chaczko Zenon (Polish Academy of Sciences (PAN), Committe of Electronics and Telecommunications, 2010)
    Radio frequency spectrum mapping allows determining the radio frequency signatures prevalent within an environment. We address the primary frequency bands used for cellular, wireless Local Area Network (LAN), Universal ...
  • Modelling Trust In Wireless Sensor Networks from the Sensor Reliability Prospective 
    Momani Mohammad; Challa Subhash; Aboura Khalid (Springer-Verlag, 2007)
  • Monitoring Bridge Deterioration using sensors 
    Samali Bijan; Li Jianchun; Aboura Khalid (IEEE, 2008)
    Structural health monitoring is a vital part in the management of bridges, particularly as the structures begin to age. Detecting structural faults through the use of sensors is an emerging field that has seen considerable ...
  • Radio Frequency Pollution Mapping 
    Agbinya Johnson; Chaczko Zenon; Aboura Khalid (BroadBandCom '09, 2009)
    Electromagnetic Fields radiation has raised concerns within several segments of the population in the past three decades. Many studies proved inconclusive mainly due to the scarcity of the data. We propose an architecture ...
  • RBATMWSN: Recursive Bayesian Approachto Trust Management in Wireless Sensor Networks 
    Aboura Khalid; Momani Mohammad; Challa Subhash (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2007)
    This paper introduces a new trust model and a reputation system for wireless sensor networks based on a sensed continuous data. It establishes the continuous version of the beta reputation system introduced in [1] and ...
  • Recognition of Radio Signal Pollution Levels and Signatures 
    Agbinya Johnson; Lee Vivian; Aboura Khalid; Chaczko Zenon (BroadBandCom '09, 2009)
    Radio frequency spectrum mapping allows determining the radio frequency signatures prevalent within an environment. We address the primary frequency bands used for cellular, wireless LAN, UMTS and ultra wideband communications. ...
  • Software Engineering for Mapping Radio Frequency Pollution 
    Chaczko Zenon; Agbinya Johnson; Aboura Khalid (Polish Academy of Sciences (PAN), Committe of Electronics and Telecommunications, 2010)
    Electromagnetic fields radiation has raised concerns within several segments of the population in the past three decades. Many studies proved inconclusive, in part due to the scarcity of data. We propose the idea of a ...
  • Statistical Foundations of Intelligent Technologies 
    Aboura Khalid (University of Technology, Sydney, 2007)
    Intelligent Technologies problems have one common element; uncertainty. Randomness, natural or created, is an important part of the engineering problems in Intelligent Technologies. Modeling it properly and dealing with ...
  • Stochastic Deterioration Processes for Bridge Lifetime Assessment 
    Li Jianchun; Aboura Khalid; Crews Keith; Samali Bijan (IEEE, 2008)
    The Markov chain model can be found in the maintenance and repair problems since the early 60's, is introduced to the maintenance of road infrastructure in the 1980's, and is made to drive the current bridge maintenance ...
  • Stochastic Processes for Modelling Bridge Deterioration 
    Aboura Khalid; Samali Bijan; Crews Keith; Li Jianchun (Taylor and Francis Group, 2009)
    Traditionally, bridge management systems were designed using Markov chain models.
  • A system for bridge network condition assessment and prediction 
    Samali Bijan; Crews Keith; Aboura Khalid; Wije Ariyaratne; Manamperi Palitha (CRC Press/Balkema, 2011)
    Traditionally, bridge management systems were designed using a Markov chain decision model. Based on the analysis of 15 years of bridge inspection data, we apply the gamma process instead, After extracting all relevant ...
  • The Use of Stochasatic Processes in Bridge Lifetime Assessment 
    Aboura Khalid; Samali Bijan; Crews Keith; Li Jianchun (River Publishers, 2009)
    We introduce an approach for modelling the structural deterioration of components of bridges for maintenance optimization purposes. The Markov chain model is found in the maintenance and repair problems since the early ...
  • The Use of Stochastic Processes in Bridge Maintenance Optimisation 
    Samali Bijan; Crews Keith; Aboura Khalid; Li Jianchun (UTS ePress, 2009)
    We introduce an approach for modelling the structural deterioration of components of bridges for maintenance optimization purposes. The Markov chain model is found in the maintenance and repair problems since the early ...