Fast 3D Structure Localization in Medical Volumes using CUDA-enabled GPUs

Sharan Vaswani, Rahul Thota, Nagavijayalakshmi Vydyanathan, Amit Kale
Siemens Corporate Research and Technologies, Bangalore, India
2nd IEEE International Conference on Parallel Distributed and Grid Computing, 2012


   title={Fast 3D Structure Localization in Medical Volumes using CUDA-enabled GPUs},

   author={Vaswani, S. and Thota, R. and Vydyanathan, N. and Kale, A.},



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Effective and fast localization of anatomical structures is a crucial first step towards automated analysis of medical volumes. In this paper, we propose an iterative approach for structure localization in medical volumes based on the adaptive bandwidth mean-shift algorithm for object detection (ABMSOD). We extend and tune the ABMSOD algorithm, originally used to detect 2D objects in non-medical images, to localize 3D anatomical structures in medical volumes. For fast localization, we design and develop optimized parallel implementations of the proposed algorithm on multi-cores using OpenMP, and on GPUs using CUDA. We evaluate the quality, performance and scalability of the proposed algorithm on Computed Tomography (CT) volumes for various structures.
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