Philippe Guermeur

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Nous prdsentons iei quelques Diatomdes nouvelles ou rarement observdes que nous avons rgcemment rencontrdes et dont nous avons pens6 devoir compldter les donndes, rant au point de rue systdmatique, qu'au point de rue 6cologiqne. Quatre esp~ees sont enti~rement nouvelles: un Achnanthes, un StauJ'oneis e t deux Navicula. Trois sont nouvelles pour la Ftore(More)
This paper presents a global method to process monocular image sequences for mobile robot obstacle detection. We do not aim to achieve a complete scene reconstruction, but only to evaluate the time to collision and surface orientation useful for robot obstacle avoidance. Using a planar facet representation we first calculate formally the velocity field(More)
This paper presents CYCLOP, a multi-FPGA board architecture designed to allow real-time implementation of low-level image processing algorithms. A set of such identical boards is to be integrated into a workstation. It offers the users different algorithm implementation possibilities, depending on the trade-off speed area desired: - for applications(More)
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