NDLI: Shear-Warp Rendering Algorithm Based on Radial Basis Functions Interpolation

Content Provider	IEEE Xplore Digital Library
Author	Tao Li Mei Xie Wei Zhao Yunlong Wei
Copyright Year	2010
Abstract	The shear-warp algorithm is considered as one of the most fastest algorithms in volume rendering. However, it achieves such speed at the price of reduced image quality. During the shear-warp resampling process, the sampling distance varies as the viewing orientation varies, and at some viewing angles, the more larger distance would result in the image-aliasing phenomenon in the resulting image and affect the rendering quality of image. To weaken the aliasing phenomenon effectly, this paper present a new interpolation method based on multiquadric method which is one of the radial basis functions interpolation. In this method, we construct a curve from four original and adjacent sampling points along the prime view orientation, and then a new sampling point is obtained in this curve and used to construct new slices, which are added into original slices. Finally, a new 3D data field can be got. Based on this new data field, shear-warp rendering could significantly improve the image quality and obviously reduce the aliasing phenomenon.
Starting Page	425
Ending Page	429
File Size	864714
Page Count	5
File Format	PDF
ISBN	9781424456420
e-ISBN	9781424456437
DOI	10.1109/ICCMS.2010.84
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-01-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	shear-warp algorithm Scientific computing Computational modeling Image sampling Educational institutions Data engineering radial basis functions resampling Image quality Interpolation Data visualization Computer graphics multiquadric method Rendering (computer graphics)
Content Type	Text
Resource Type	Article

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