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Annals of Telecommunications

01.04.2013

Feed and fly control of visual scanpaths for foveation image processing

verfasst von: Giuseppe Boccignone, Mario Ferraro

Erschienen in: Annals of Telecommunications | Ausgabe 3-4/2013

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Abstract

Foveation-based processing and communication systems can exploit a more efficient representation of images and videos by removing or reducing visual information redundancy, provided that the sequence of foveation points, the visual scanpath, can be determined. However, one point that is neglected by the great majority of foveation models is the “noisy” variation of the random visual exploration exhibited by different observers when viewing the same scene, or even by the same subject along different trials. Here, a model for the generation and control of scanpaths that accounts for such issue is presented. In the model, the sequence of fixations and gaze shifts is controlled by a saliency-based, information foraging mechanism implemented through a dynamical system switching between two states, “feed” and “fly.” Results of the simulations are compared with experimental data derived from publicly available datasets.

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Metadaten
Titel
Feed and fly control of visual scanpaths for foveation image processing
verfasst von
Giuseppe Boccignone
Mario Ferraro
Publikationsdatum
01.04.2013
Verlag
Springer-Verlag
Erschienen in
Annals of Telecommunications / Ausgabe 3-4/2013
Print ISSN: 0003-4347
Elektronische ISSN: 1958-9395
DOI
https://doi.org/10.1007/s12243-012-0316-9