High Performance GPU-based Fourier Volume Rendering

Marwan Abdellah, Ayman Eldeib, Amr Sharawi
Biomedical Engineering Department, Cairo University, Egypt
International Journal of Biomedical Imaging, 2015


   title={High Performance GPU-based Fourier Volume Rendering},

   author={Abdellah, Marwan and Eldeib, Ayman and Sharawi, Amr},



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FVR (Fourier volume rendering) is a significant visualization technique that has been used widely in digital radiography. As a results of its O(N^2logN) time complexity, it provides a faster alternative to spatial domain volume rendering algorithms that are O(N^3) computationally complex. Relying on the Fourier projection-slice theorem, this technique operates on the spectral representation of a 3D volume instead of processing its spatial representation to generate attenuation-only projections that look like X-ray radiographs. Due to the rapid evolution of its underlying architecture, the GPU (graphics processing unit) became an attractive competent platform that can deliver giant computational raw power compared to the CPU (central processing unit) on a per-dollar-basis. The introduction of CUDA (compute unified device architecture) technology enables embarrassingly-parallel algorithms to run efficiently on CUDA-capable GPU architectures. In this work, a high performance GPU-accelerated implementation of the FVR pipeline on CUDA-enabled GPUs is presented. This proposed implementation can achieve a speed-up of 117x compared to a single-threaded hybrid implementation that uses the CPU and GPU together by taking advantage of executing the rendering pipeline entirely on recent GPU architectures.
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