Frequency domain volume rendering by the wavelet X-ray transform

被引：28

作者：

Westenberg, MA ^{[1
]}

Roerdink, JBTM ^{[1
]}

机构：

[1] Univ Groningen, Inst Math & Comp Sci, NL-9700 AV Groningen, Netherlands

来源：

IEEE TRANSACTIONS ON IMAGE PROCESSING | 2000年 / 9卷 / 07期

关键词：

Fourier volume rendering; Fourier-wavelet volume rendering; wavelet splatting; wavelet X-ray transform;

D O I：

10.1109/83.847837

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We describe a wavelet-based X-ray rendering method in the frequency domain with a smaller time complexity than wavelet splatting, Standard Fourier volume rendering is summarized and interpolation and accuracy issues are briefly discussed. We review the implementation of the fast wavelet transform in the frequency domain. The wavelet X-ray transform is derived, and the corresponding Fourier-wavelet volume rendering algorithm (FWVR) is introduced. FWVR uses Haar or B-spline wavelets and linear or cubic spline interpolation. Various combinations are tested and compared with wavelet splatting (WS). We use medical MR and CT scan data, as well as a 3-D analytical phantom to assess the accuracy, time complexity, and memory cost of both FWVR and WS. The differences between both methods are enumerated.

引用

页码：1249 / 1261

页数：13

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