Improved Rapid Interpolation Ray Casting Algorithm

Author:

Liu Li Peng1,Sun Yong Xiong1,Guan Tie Jun2,Huang Li Ping1

Affiliation:

1. Jilin University

2. Tumor Hospital of Jilin Province

Abstract

Ray casting algorithm is a kind of widely used volume rendering algorithm in the field of medical 3D reconstruction. One of the greatest advantages of it is the high rendering quality, while the rendering speed is rather low. In order to accelerate the rendering speed, in this paper, it proposed an accelerated ray casting algorithm which is based on the proximate cloud algorithm, combined with empty voxel leaping and fast interpolation. Meanwhile, it also analyzed the complexity of computing to significantly enhance the speed of the algorithm on volume rendering.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference9 articles.

1. Levoy M. Display of Surface from Volume Date[J]. IEEE Computer Graphics & Application, 1998, 8(3): 29-37.

2. Kang Jianchao, Kang Baosheng, Feng Jun, et al. Improved Ray Casting Algorithm Based on GPU Programming[J]. Computer Engineering and Applications, 2012, 48(1): 199-201.

3. Fan Peng, Guo Bao-long. Adaptive Improved-intersecting Ray Casting Algorithm[J]. Computer Engineering and Applications, 2008, 44(4): 70-72.

4. Zou Hua, Gao Xinbo, Lu Xinrong. A Ray Casting Algorithm Based on Hierarchical Bounding Volumes and GPU[J]. Journal of Computer-Aided Design & Computer Graphics, 2009, 21(2): 172-178.

5. Zhang Yi, Zhang Jiawan, Sun Jizhou, et al. Real-time Ray Casting on Programmable GPU[J]. Journal of System Simulation, 2007, 19(18): 4204-4208.

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