Fast 3D Reconstruction Algorithm of Multi-resolution Cone Beam CT Image Based on Wavelet Transform

HAN Min; CHENG Xu; LI Dengwang

doi:10.11999/JEIT170003

Volume 39 Issue 10

Oct. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(10): 2437-2441

HAN Min, CHENG Xu, LI Dengwang. Fast 3D Reconstruction Algorithm of Multi-resolution Cone Beam CT Image Based on Wavelet Transform[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2437-2441. doi: 10.11999/JEIT170003

Citation:

HAN Min, CHENG Xu, LI Dengwang. Fast 3D Reconstruction Algorithm of Multi-resolution Cone Beam CT Image Based on Wavelet Transform[J]. Journal of Electronics & Information Technology, 2017, 39(10): 2437-2441. doi: 10.11999/JEIT170003

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Fast 3D Reconstruction Algorithm of Multi-resolution Cone Beam CT Image Based on Wavelet Transform

doi: 10.11999/JEIT170003

1.
(Institute of Information Science and Engineering, Shandong University, Jinan 250100, China)
2.
(Institute of Physics and Electronics, Shandong Normal University, Jinan 250014, China)

Funds:

The National Natural Science Foundation of China (61471226), The Distinguished Young Scholars of Shandong Province(JQ201516)

Received Date: 2017-01-03
Rev Recd Date: 2017-04-05
Publish Date: 2017-10-19

Abstract

Abstract

To solve the large amount of computation, time-consuming problems of the FDK reconstruction algorithm for cone beam CT reconstruction, and different resolutions for different application environments of 3D medical image, this paper proposes a fast reconstruction algorithm of multi-resolution cone beam CT image based on wavelet transform. Firstly, the corresponding wavelet transform for projection images are obtained, and the corresponding scale wavelet coefficients are selected for FDK reconstruction. Thus, 3D image data of the low resolution are obtained. According to need, the high resolution 3D image data can also be obtained by the inverse wavelet transform of the radial images obtained from low resolution. The experimental data shows that this method can not only provide a different resolution of the 3D image data, but also increase the reconstruction speed more than one times when the same resolution and similar precision high resolution 3D image data is obtained compared with the traditional FDK algorithm.
- Cone beam CT,
- FDK reconstruction,
- Wavelet transform,
- Multi-resolution

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References(26)

References

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