Fourier Volume Rendering on GPGPU

Authors:
Degui Xiao;Yi Liu;Lei Yang;Zhiyong Li;Kenli Li
Affiliations:
School of Computer and Communication, Hunan University, Changsha, China 410082;School of Computer and Communication, Hunan University, Changsha, China 410082;School of Computer and Communication, Hunan University, Changsha, China 410082;School of Computer and Communication, Hunan University, Changsha, China 410082;School of Computer and Communication, Hunan University, Changsha, China 410082
Venue:
ISNN 2009 Proceedings of the 6th International Symposium on Neural Networks: Advances in Neural Networks - Part III
Year:
2009

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Abstract

Fourier Volume Rendering (FVR) is a volume rendering technique with lower computational complexity of O(N 2 logN) for an N 3 data array. A new FVR algorithm is proposed through expanding Fourier Projection-Slice Theorem into High-Dimension and mapping the pipeline totally on GPU. A windowed-sinc function is used as reconstruction filter to implement higher-order interpolation and reduction of samples is executed on GPU in parallel, which meets the architecture of Heterogeneous multi-core. The rendering is accelerated by a factor of 7 when rendering image's resolution is larger than 512×512.