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An information-theoretic approach to interactions in images

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image of Spatial Vision
For more content, see Multisensory Research and Seeing and Perceiving.

In this paper it will be argued that the notion of interactions in images is closely related to that of entropy associated with an image, and it will be shown that interactions make processing of the information coming from the retina computationally less expensive. A procedure will be presented, based on the evolution of joint entropy across different scales, to gauge the contributions of different types of interactions to the structure of the images.

Affiliations: 1: Dipartimento di Ingegneria dell'Informazione e Ingegneria Elettrica, Universitá di Salerno and INFM, Unità di Salerno, via Ponte Don Melillo, 1, 84084 Fisciano (SA), Italy; 2: Dipartimento di Fisica Sperimentale, Universitá di Torino and INFM, Unità di Torino, via Giuria 1, 10125 Turin, Italy


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