5 The Visual Attention System VOCUS: Top-Down Extension

  • Simone Frintrop
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3899)


Detecting regions of interest with visual attention is an important mechanism in human visual perception. However, what is of interest depends on the situation. In the previous chapter, we focused on simulating bottom-up mechanisms of visual attention. These define regions as interesting which have a high contrast to their surroundings and are unique in the setting. As mentioned in chapter 2, top-down influences also play an important role in human visual attention: knowledge, motivations, emotions, and goals define what is of interest in a certain situation.


Weight Vector Visual Search Training Image Salient Region Search Mode 
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© Springer-Verlag Berlin Heidelberg 2006

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  • Simone Frintrop

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