Third-Order Edge Statistics: Contour Continuation, Curvature, and Cortical Connections
Neurons and Cognition
2013-06-17 v1
Abstract
Association field models have attempted to explain human contour grouping performance, and to explain the mean frequency of long-range horizontal connections across cortical columns in V1. However, association fields only depend on the pairwise statistics of edges in natural scenes. We develop a spectral test of the sufficiency of pairwise statistics and show there is significant higher order structure. An analysis using a probabilistic spectral embedding reveals curvature-dependent components.
Keywords
Cite
@article{arxiv.1306.3285,
title = {Third-Order Edge Statistics: Contour Continuation, Curvature, and Cortical Connections},
author = {Matthew Lawlor and Steven Zucker},
journal= {arXiv preprint arXiv:1306.3285},
year = {2013}
}
Comments
8 Pages, 8 figures