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Sensors 2007, 7(7), 1047-1068; doi:10.3390/s7071047

Motion Estimation Using the Single-row Superposition-type Planar Compound-like Eye

Department of Mechanical and Electro-Mechanical Engineering, National Sun Yat-Sen University, 70 Lien-hai Rd. Kaohsiung 804, Taiwan
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Received: 8 May 2007 / Accepted: 26 June 2007 / Published: 27 June 2007
(This article belongs to the Special Issue Intelligent Sensors)
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Abstract

How can the compound eye of insects capture the prey so accurately andquickly? This interesting issue is explored from the perspective of computer vision insteadof from the viewpoint of biology. The focus is on performance evaluation of noiseimmunity for motion recovery using the single-row superposition-type planar compound-like eye (SPCE). The SPCE owns a special symmetrical framework with tremendousamount of ommatidia inspired by compound eye of insects. The noise simulates possibleambiguity of image patterns caused by either environmental uncertainty or low resolutionof CCD devices. Results of extensive simulations indicate that this special visualconfiguration provides excellent motion estimation performance regardless of themagnitude of the noise. Even when the noise interference is serious, the SPCE is able todramatically reduce errors of motion recovery of the ego-translation without any type offilters. In other words, symmetrical, regular, and multiple vision sensing devices of thecompound-like eye have statistical averaging advantage to suppress possible noises. Thisdiscovery lays the basic foundation in terms of engineering approaches for the secret of thecompound eye of insects. View Full-Text
Keywords: image motion analysis; superposition-type planar compound-like eye; trinocular vision system. image motion analysis; superposition-type planar compound-like eye; trinocular vision system.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Cheng, C.-C.; Lin, G.-L. Motion Estimation Using the Single-row Superposition-type Planar Compound-like Eye. Sensors 2007, 7, 1047-1068.

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