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  • Visual attention, Visual salience and Perceived interest in multimedia applications

    Introduction

    Why do we attend to small local regions? Foveation

    Modelling the Attention process

    Covert and overt attention
    what drives overall gaze? : Bottom up and Top down factors of attention explanation
    How different people confuse the terms
    Bottom up, top down, perceived interest and overall gaze
    Regions of Interest (ROI) and Importance Maps
    ROIs in Natural Images and ordering them by importance
    studies from engelke and Wang, is importance map related to saliency?

    Top Down factors influencing attention

    Role of memory and familiarization
    scene understanding constrains selection of attended locations
    inhibition of return to the same area
    Occulomotor and orientation biases
    Effects of the task and story

    Bottom-up Saliency factors influencing attention

    Popout and temporal surprise
    Centre surround saliency
    Neurological basis of centre-surround and bottom-up filters

    Generation of Saliency maps and Scanpaths

    Work of Wang et al
    Work of Le Meur et al
    Semantic scanpath prediction
    Subjective and objective methods discussion