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Proceedings Paper

Curved artificial compound-eyes for autonomous navigation
Author(s): Robert Leitel; Andreas Brückner; Wolfgang Buß; Stéphane Viollet; Ramon Pericet-Camara; Hanspeter Mallot; Andreas Bräuer
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Paper Abstract

Natural compound-eyes consist of a large number of ommatidia that are arranged on curved surfaces and thus are able to detect signals from a wide field of view. We present an integrated artificial compound-eye sensor system with enhanced field of view of 180° × 60° due to the introduction of curvature. The system bases on an array of adaptive logarithmic wide-dynamic-range photoreceptors for optical flow detection and compound-eye optics for increasing sensitivity and expanding the field of view. Its assembling is mainly done in planar geometry on a flexible printed circuit board. The separation into smaller ommatidia blocks by dicing enables flexibility and finally allows for mounting on curved surfaces. The signal processing electronics of the presented system is placed together with further sensors into the concavity of the photoreceptor array, and facilitates optical flow computation for navigation purposes.

Paper Details

Date Published: 2 May 2014
PDF: 11 pages
Proc. SPIE 9130, Micro-Optics 2014, 91300H (2 May 2014); doi: 10.1117/12.2052710
Show Author Affiliations
Robert Leitel, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Andreas Brückner, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Wolfgang Buß, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Stéphane Viollet, Aix-Marseille Université, CNRS, ISM (France)
Ramon Pericet-Camara, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Hanspeter Mallot, Univ. of Tübingen (Germany)
Andreas Bräuer, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)

Published in SPIE Proceedings Vol. 9130:
Micro-Optics 2014
Hugo Thienpont; Jürgen Mohr; Hans Zappe; Hirochika Nakajima, Editor(s)

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