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Object representation-by-fragments in the visual system: a neurocomputational model

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4 Author(s)
Joyce, D.W. ; Dept. of Psychol., Univ. of Plymouth, UK ; Richards, L.V. ; Cangelosi, A. ; Coventry, K.R.

The paper presents a model of visual object representation by fragment views, rather than canonically-oriented whole-object views used in Chorus systems. Following recent results (Sheinberg and Logothetis, 2001) on object representation in inferotemporal cells during free viewing, we implemented a simplified attentional system which yields fragment views of objects, which are then used to train object-tuned modules. Each object is represented by a complete RBF module, instantiating a representation space. We show that such a system can produce distributed representations, like Chorus of views systems, and that dissociating objects from retinotopy enables a fuller model of scene geometry analysis to be advanced.

Published in:

Neural Information Processing, 2002. ICONIP '02. Proceedings of the 9th International Conference on  (Volume:1 )

Date of Conference:

18-22 Nov. 2002

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