Browsing Non-traditional Outputs by Author "Agbinya Johnson"

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Browsing Non-traditional Outputs by Author "Agbinya Johnson"

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  • Automatic Online Porn Detection and Tracking 
    Agbinya Johnson; Lok Bernard; Da Silva Sandro; Wong Aska (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    In this paper Hue Saturation, Value (HSV) modeling is used for segmenting human skin colours and for detection of pornographic images. The clustering of human skin colours in the HSV space is demonstrated. Using a mixed ...
  • Benefits of Fixed to Mobile Substitution in Africa 
    Li Yang; Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    Considering domestic, geographic, operable, functional and economic environments of African countries, wireless networks appear to be a first option for the construction of communication there. In this paper, the description ...
  • Communication Cost of SIP Signalling in Wireless Networks and Services 
    Lakay Elthea; Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    Developers of SIP mostly concentrated on making SIP to do what no other protocol can do. In a way they failed to consider the weaknesses and dangers. From this realization we did a study on the weaknesses of SIP and SIP ...
  • A comparison of ultra wideband signal functions for wireless ad hoc networks 
    Agbinya Johnson; Truong Ha (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    This paper describes, simulates, evaluates and compares four time and band limited functions that can be used to create ultra wideband signals. Expressions and methods for generating the functions are presented followed ...
  • Comparison of Ultra Wideband Signal Synthesis and Bandwidth Expansion Using Hermite and Wavelet Functions 
    Agbinya Johnson; Truong Ha (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    This paper describes, simulates, evaluates and compares four time and band limited functions that can be used to create ultra wideband signals. Expressions and methods for generating the functions are presented followed ...
  • Estimation of Trust Metrics for MANET Using QoS Parameter and Source Routing Algorithms 
    Agbinya Johnson; Umuhoza Denise; Omlin Christian (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2007)
    Estimation of trust in ad-hoc networks is an inevitable basis for hybrid networks to inter-operate. The contributions in this paper provide a framework for estimating the trust between nodes in an ad hoc network based ...
  • Face Recognition Programming on Mobile Handsets 
    Da Silva Sandro; Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    This paper 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 ...
  • Fusion of Multi-Modal Credentials for Authentication in Digital Identity Management Systems 
    Phiri Jackson; Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2007)
    The recent years have seen an increase in identity fraud and accessing online services when communication devices such as computers, mobile phones and card based credentials (e.g. credit cards) are involved. This has ...
  • Impacts and cost of faults on services in cellular networks 
    Kogeda Paul; Agbinya Johnson; Omlin Christian (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
  • Proactive Cellular Network Faults Prediction Through Mobile Intelligent Agent Technology 
    Kogeda Paul; Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2007)
    Cellular network faults prediction models using mobile intelligent agent are presented in this paper. Cellular net-works are uncertain and dynamic in their behaviours and therefore we use different artificial intelligent ...
  • A Probabilistic Approach to Faults Prediction in Cellular Networks 
    Agbinya Johnson; Kogeda Paul; Omlin Christian (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2006)
    This paper discusses modelling and prediction of faults in cellular networks. We derive probabilistic models of the cellular network systems in which the independence relations between the variables of interest are ...
  • QoS functions and theorems for moving wireless networks 
    Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    Optimum theorems for combining QoS metrics to reduce computation time in nodes (routers) is proposed based on fundamental theorems on QoS metrics. The proposed theorems unify selection of metrics and provide the methods ...
  • Range Extension and Channel Capacity Increase in Direct Short Range Vehicular UWB Communications 
    Gyasi-Agyei Amoakoh; Vucetic Branka; Agbinya Johnson; Li Yonghui; Umuhoza Denise (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2007)
    Direct short range broadband communication access in vehicles promises to deliver high quality of service IP-based communications with networks deployed in moving vehicles. This paper provides an analysis of range extension ...
  • Service Selection Buffet Algorithms for Emerging Mobile Communication Networks 
    Agbinya Johnson (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    This paper proposes low complexity service selection algorithms for next generation networks and how to implement them. The service buffet algorithm is illustrated using examples drawn from current gamut of 3G service ...
  • Vertical Handoff Decision Algorithm Using Fuzzy Logic 
    Gyekye Yaw; Agbinya Johnson (UTS ePress, 2006)
    This paper reports on the design and implementation of multi-criteria vertical handofJ decision algorithms in a heterogeneous wireless wide area network (WWAN) and a wireless local area network (WLAN) environment. An ...