Hardware Implementation and Validation of 3D Underwater Shape Reconstruction Algorithm Using a Stereo-Catadioptric System

Rihab Hmida 1, 2, 3 Abdessalem Abdelali 1 Frédéric Comby 2 Lionel Lapierre 3 Abdellatif Mtibaa 1 René Zapata 3
1 Laboratoire d'Electronique et Microélectronique
FSM - Faculté des Sciences de Monastir
2 ICAR - Image & Interaction
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
3 EXPLORE - Robotique mobile pour l'exploration de l'environnement
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : In this paper, we present a new stereo vision-based system and its efficient hardware implementation for real-time underwater environments exploration throughout 3D sparse reconstruction based on a number of feature points. The proposed underwater 3D shape reconstruction algorithm details are presented. The main concepts and advantages are discussed and comparison with existing systems is performed. In order to achieve real-time video constraints, a hardware implementation of the algorithm is performed using Xilinx System Generator. The pipelined stereo vision system has been implemented using Field Programmable Gate Arrays (FPGA) technology. Both timing constraints and mathematical operations precision have been evaluated in order to validate the proposed hardware implementation of our system. Experimental results show that the proposed system presents high accuracy and execution time performances.
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Applied Sciences (Bucureş.., Balcan Society of Geometers, 2016, 6 (9), pp.247-272. 〈10.3390/app6090247〉
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Soumis le : mercredi 26 octobre 2016 - 10:19:23
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Rihab Hmida, Abdessalem Abdelali, Frédéric Comby, Lionel Lapierre, Abdellatif Mtibaa, et al.. Hardware Implementation and Validation of 3D Underwater Shape Reconstruction Algorithm Using a Stereo-Catadioptric System. Applied Sciences (Bucureş.., Balcan Society of Geometers, 2016, 6 (9), pp.247-272. 〈10.3390/app6090247〉. 〈lirmm-01387784〉

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