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Relative Influence of Bottom-Up and Top-Down Attention

  • Matei Mancas
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5395)

Abstract

Attention and memory are very closely related and their aim is to simplify the acquired data into an intelligent structured data set. Two main points are discussed in this paper. The first one is the presentation of a novel visual attention model for still images which includes both a bottom-up and a top-down approach. The bottom-up model is based on structures rarity within the image during the forgetting process. The top-down information uses mouse-tracking experiments to build models of a global behavior for a given kind of image. The proposed models assessment is achieved on a 91-image database. The second interesting point is that the relative importance of bottom-up and top-down attention depends on the specificity of each image. In unknown images the bottom-up influence remains very important while in specific kinds of images (like web sites) top-down attention brings the major information.

Keywords

Visual attention saliency bottom-up top-down mouse-tracking 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Matei Mancas
    • 1
  1. 1.Engineering Faculty of Mons (FPMs)MonsBelgium

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