Browsing 08 Information and Computing Sciences by Author "Allen John"

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Browsing 08 Information and Computing Sciences by Author "Allen John"

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  • Dependence Testing and Vectorization of Multimedia Agents 
    Xu Richard; Allen John; Jin Jesse S (CSREA Press, 2005)
    We present a dependence testing algorithm that considers the short width of modern SIMD registers in a typical microprocessor. The test works by solving the dependence system with the generalized GCD algorithm and then ...
  • Framework for script based virtual directing and multimedia authoring in live video streaming 
    Jin Jesse S; Xu Richard; Allen John (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    We propose a novel framework that facilitates automatic editing and authoring of multimedia using static and moving cameras in a dynamic scene. The framework incorporates several video techniques such as object tracking ...
  • IVDA: Intelligent Real-time Video Detection Agent for Virtual Classroom Presentation 
    Xu Richard; Jin Jesse S; Allen John (ACTA Press, 2005)
    Audiovisual streaming has been extensively used in synchronous virtual classroom applications. Until recently, content-based processing has rarely being used in real-time streaming. We present in this paper, an ...
  • Mean shift object tracking for a SIMD computer 
    Xu Yi Da; Allen John; Jin Jesse S (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    We use SIMD instructions to implement a popular video object-tracking algorithm in an attempt to achieve the best possible performance on the available hardware. We start with an implementation of the well-known mean ...
  • Processor Independent Automatic SIMD Vectorization for Signal Processing and Multimedia Applications 
    Allen John; Jin Jesse S (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    Despite advancements in microprocessor and Instruction Set Architecture design such as dual core processors, CELL technology and hyper-threading, the use of Single Instruction Multiple Data (SIMD) instructions is still a ...
  • Robust Mean-Shift Tracking with Extended Fast Colour Thresholding 
    Allen John; Xu Yi Da; Jin Jesse S (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2004)
    We propose a novel adaptive approach for object tracking using fast colour thresholding and region merging. It proves to be an effective measure against large variations between consecutive frames during a mean-shift ...
  • Stream-based interactive video language authoring using correlated audiovisual watermarking 
    Jin Jesse S; Xu Yi Da; Allen John (The Institute of Electrical and Electronic Engineers Inc (IEEE), 2005)
    We propose a novel framework that employs correlated digital video and audio watermarking where the watermarking sequence contains video interaction information and media features as a basis towards constructing a ...