A novel 1-gram insect based device measuring visual motion along 5 optical directions

Frédéric L. Roubieu 1 Fabien Expert 1 Marc Boyron 2 Benoît-Jérémy Fuschlock 2 Stéphane Viollet 1 Franck Ruffier 1
1 Biorobotique
ISM - Institut des Sciences du Mouvement Etienne Jules Marey
2 ISM - Institut des Sciences du Mouvement Etienne Jules Marey
Abstract : Autopilots for micro aerial vehicles (MAVs) with a maximum permissible avionic payload of only a few grams need lightweight, low-power sensors to be able to navigate safely when flying through unknown environments. To meet these demanding specifications, we developed a simple functional model for an Elementary Motion Detector (EMD) circuit based on the common housefly's visual system. During the last two decades, several insect-based visual motion sensors have been designed and implemented on various robots, and considerable improvements have been made in terms of their mass, size and power consumption. The new lightweight visual motion sensor presented here generates 5 simultaneous neighboring measurements of the 1-D angular speed of a natural scene within a measurement range of more than one decade [25 °/s; 350°/s]. Using a new sensory fusion method consisting in computing the median value of the 5 local motion units, we ended up with a more robust, more accurate and more frequently refreshed measurement of the 1-D angular speed.
Keywords : Biomedical optical imaging Lenses Optical sensors Sensor phenomena and characterization Visualization 1-gram insect based device MAV autopilots elementary motion detector insect-based visual motion sensors lightweight low-power sensors maximum permissible avionic payload microaerial vehicle natural scene navigation safety sensor fusion method visual motion measurement aerospace safety aircraft navigation autonomous aerial vehicles avionics image fusion image motion analysis motion measurement natural scenes robot vision
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Communication dans un congrès
Sensors, 2011 IEEE, Oct 2011, Limerick, Ireland. pp.687, 2012, <10.1109/ICSENS.2011.6127157>
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Soumis le : mardi 10 juillet 2012 - 21:35:30
Dernière modification le : lundi 21 mars 2016 - 17:36:55
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Frédéric L. Roubieu, Fabien Expert, Marc Boyron, Benoît-Jérémy Fuschlock, Stéphane Viollet, et al.. A novel 1-gram insect based device measuring visual motion along 5 optical directions. Sensors, 2011 IEEE, Oct 2011, Limerick, Ireland. pp.687, 2012, <10.1109/ICSENS.2011.6127157>. <hal-00716606>

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