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A New Method for Computed Tomography Angiography (CTA) Imaging via Wavelet Decomposition-Dependented Edge Matching Interpolation

  • Education & Training
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Abstract

The interpolation technique of computed tomography angiography (CTA) image provides the ability for 3D reconstruction, as well as reduces the detect cost and the amount of radiation. However, most of the image interpolation algorithms cannot take the automation and accuracy into account. This study provides a new edge matching interpolation algorithm based on wavelet decomposition of CTA. It includes mark, scale and calculation (MSC). Combining the real clinical image data, this study mainly introduces how to search for proportional factor and use the root mean square operator to find a mean value. Furthermore, we re- synthesize the high frequency and low frequency parts of the processed image by wavelet inverse operation, and get the final interpolation image. MSC can make up for the shortage of the conventional Computed Tomography (CT) and Magnetic Resonance Imaging(MRI) examination. The radiation absorption and the time to check through the proposed synthesized image were significantly reduced. In clinical application, it can help doctor to find hidden lesions in time. Simultaneously, the patients get less economic burden as well as less radiation exposure absorbed.

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Acknowledgments

This work was also supported by Research on the interative oversized screen modern film display technique (n.13-a303-15-w23). This work was also supported by Integration Demonstration of key digital medical technologies (No.2012AA02A612). National High Technology Research and Development Program (863 program).

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Authors and Affiliations

  1. School of Computer Engineering and Science, Shanghai University, No.99 Shang Da Road, Shanghai, 200444, China

    Zeyu Li, Yimin Chen, Shengqing Lv & Jiahui Lu

  2. Computer Center Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, No2 Ruijin Road, Shanghai, 200025, China

    Zeyu Li, Yan Zhao & Lifeng Zhu

Authors
  1. Zeyu Li
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  2. Yimin Chen
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  3. Yan Zhao
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  4. Lifeng Zhu
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  5. Shengqing Lv
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  6. Jiahui Lu
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Correspondence to Yimin Chen.

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This article is part of the Topical Collection on Education & Training

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Li, Z., Chen, Y., Zhao, Y. et al. A New Method for Computed Tomography Angiography (CTA) Imaging via Wavelet Decomposition-Dependented Edge Matching Interpolation. J Med Syst 40, 184 (2016). https://doi.org/10.1007/s10916-016-0540-3

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  • DOI: https://doi.org/10.1007/s10916-016-0540-3

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