NDLI: A Rapid Pre-Integrated Perspective Volume Rendering Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Bin Li Shanxing Ou Lianfang Tian
Copyright Year	2010
Abstract	Perspective Volume Rendering has well known advantages, so it is applied widely in medical visualization. In the visualization of 3D medical images, it is common to frequently adjust the opacity transfer function and viewing angle so that volume rendering is difficult to be realized in real-time. And in traditional perspective Shear-Warp there are the aliasing and staircase effects resulting from under-sampling. In order to efficiently and effectively reconstruct 3D medical images, a novel Rapid Pre-Integrated Perspective Volume Rendering(RPPVR) method based on Pre-Integrated Volume Rendering and Shear-Warp algorithm is proposed in this paper. In the proposed method, classification coding for volume data is implemented by making use of the correlation of opacity transfer function and min-max Octree data structure so that fast reconstruction can be done when opacity transfer function and view angle change. Moreover, the aliasing artifacts resulted from under-sampling can be eliminated by Pre-Integrated Volume Rendering technique incorporated the shading calculation of lighting model, thus improving the reconstruction effect. This study demonstrates the superiority of the proposed method.
Starting Page	1
Ending Page	4
File Size	416592
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5515439
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Visualization Interpolation Hospitals Transfer functions Image sampling Radiology Rendering (computer graphics) Sampling methods Image reconstruction Biomedical imaging
Content Type	Text
Resource Type	Article

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