Efficient Exploitation of Heterogeneous Platforms for Images Features Extraction

Sidi Ahmed Mahmoudi, Pierre Manneback
University of Mons, Faculty of Engineering, 20 Place du Parc, Mons, Belgium
3rd International Conference on Image Processing Theory, Tools and Applications (IPTA), 2012

   title={Efficient Exploitation of Heterogeneous Platforms for Images Features Extraction},

   author={Mahmoudi, Sidi and Manneback, Pierre},

   booktitle={Proceedings of the 3 rd International Conference on Image Processing Theory, Tools and Applications. IPTA’12},



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Image processing algorithms present a necessary tool for various domains related to computer vision, such as video surveillance, medical imaging, pattern recognition, etc. However, these algorithms are hampered by their high consumption of both computing power and memory, which increase significantly when processing large sets of high resolution images. In this work, we propose a development scheme enabling an efficient exploitation of parallel (GPU) and heterogeneous platforms (Multi-CPU/Multi-GPU), for improving performance of single and multiple image processing algorithms. The proposed scheme allows a full exploitation of hybrid platforms based on efficient scheduling strategies. It enables also overlapping data transfers by kernels executions using CUDA streaming technique within multiple GPUs. We present also parallel and heterogeneous implementations of several features extraction algorithms such as edge and corner detection. Experimentations have been conducted using a set of high resolution images, showing a global speedup ranging from 5 to 30, by comparison with CPU implementations.
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