Phase-differencing in Stereo Vision - Solving the Localisation Problem

J. M. H. du Buf, K. Terzic, J. M. F. Rodrigues

Abstract

Complex Gabor filters with phases in quadrature are often used to model even- and odd-symmetric simple cells in the primary visual cortex. In stereo vision, the phase difference between the responses of the left and right views can be used to construct a disparity or depth map. Various constraints can be applied in order to construct smooth maps, but this leads to very imprecise depth transitions. In this theoretical paper we show, by using lines and edges as image primitives, the origin of the localisation problem. We also argue that disparity should be attributed to lines and edges, rather than trying to construct a 3D surface map in cortical area V1. We derive allowable translation ranges which yield correct disparity estimates, both for left-view centered vision and for cyclopean vision.

References

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Paper Citation


in Harvard Style

M. H. du Buf J., Terzic K. and M. F. Rodrigues J. (2013). Phase-differencing in Stereo Vision - Solving the Localisation Problem . In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013) ISBN 978-989-8565-36-5, pages 254-263. DOI: 10.5220/0004349702540263


in Bibtex Style

@conference{biosignals13,
author={J. M. H. du Buf and K. Terzic and J. M. F. Rodrigues},
title={Phase-differencing in Stereo Vision - Solving the Localisation Problem},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013)},
year={2013},
pages={254-263},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004349702540263},
isbn={978-989-8565-36-5},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2013)
TI - Phase-differencing in Stereo Vision - Solving the Localisation Problem
SN - 978-989-8565-36-5
AU - M. H. du Buf J.
AU - Terzic K.
AU - M. F. Rodrigues J.
PY - 2013
SP - 254
EP - 263
DO - 10.5220/0004349702540263