Computational cortical cell models for continuity and texture

Santos, L. M.; du Buf, J. M. H.

http://hdl.handle.net/10400.1/6960

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Authors

Santos, L. M.

du Buf, J. M. H.

Abstract(s)

Area VI and higher areas in the visual cortex contain many feature extraction engines that serve to build a symbolic image representation. In this paper we present models of cells that complement a multiscale line and edge extraction. After reviewing a frontend that comprises Gabor filters (simple cells), bar and grating cells, we introduce a bar cell grouping for completing occluded curvilinear structures (snakes), as well as a grating cell grouping for coding periodic textures with different complexities.