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Real-time 3D Reconstruction for FPGAs: A Case Study for Evaluating the Performance, Area, and Programmability Trade-offs of the Altera OpenCL SDK

Quentin Gautier, Alexandria Shearer, Janarbek Matai, Dustin Richmond, Pingfan Meng, Ryan Kastner
University of California, San Diego
International Conference on Field-Programmable Technology (FPT), 2014

@article{gautier2014real,

   title={Real-time 3D Reconstruction for FPGAs: A Case Study for Evaluating the Performance, Area, and Programmability Trade-offs of the Altera OpenCL SDK},

   author={Gautier, Quentin and Shearer, Alexandria and Matai, Janarbek and Richmond, Dustin and Meng, Pingfan and Kastner, Ryan},

   year={2014}

}

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Embedding real-time 3D reconstruction of a scene from a low-cost depth sensor can improve the development of technologies in the domains of augmented reality, mobile robotics, and more. However, current implementations require a computer with a powerful GPU, which limits its prospective applications with low-power requirements. To implement low-power 3D reconstruction we embedded two prominent algorithms of 3D reconstruction (Iterative Closest Point and Volumetric Integration) on an Altera Stratix V FPGA by using the OpenCL language and the Altera OpenCL SDK. In this paper, we present our application and evaluation of the Altera tool in terms of performance, area, and programmability trade-offs. We have verified that OpenCL can be a viable method for developing FPGA applications by modifying an open-source version of the Microsoft KinectFusion project to run partially on a FPGA.
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