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Abstract:
In this paper, we propose that information maximization can
provide a unified framework for constructing and understanding
preattentive saccadic behaviors. In this framework, the mutual
information among the cortical representations of the retinal
image, the priors constructed from our long term visual experience,
and a dynamic short-term internal representation constructed from
recent saccades provides a map for eye navigation. By directing the
eyes to locations of minimum mutual information at each step, the
preattentive saccadic system greedily collect information about the
external world. This framework provides a mathematical explanation
that connects several psychological phenomena, such as pop-out and
inhibition of return, to long term visual experience and short term
working memory. It also provides an interesting perspective on the
computation in the primary visual cortex.
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