An iterative sinogram gap-filling method with object- and scanner-dedicated discrete cosine transform (DCT)-domain filters for high resolution PET scanners

Kim Kwangdon; Lee Kisung; Lee Hakjae; Joo Sungkwan; Kang Jungwon

首页> 外文期刊>Japanese journal of radiology >An iterative sinogram gap-filling method with object- and scanner-dedicated discrete cosine transform (DCT)-domain filters for high resolution PET scanners

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An iterative sinogram gap-filling method with object- and scanner-dedicated discrete cosine transform (DCT)-domain filters for high resolution PET scanners

机译：具有用于高分辨率PET扫描仪的物体和扫描仪专用离散余弦变换（DCT）滤波器的迭代宿隙填充方法

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摘要

We aimed to develop a gap-filling algorithm, in particular the filter mask design method of the algorithm, which optimizes the filter to the imaging object by an adaptive and iterative process, rather than by manual means.

机译：我们旨在开发一种缺口填充算法，特别是算法的滤镜掩模设计方法，其通过自适应和迭代过程优化到成像对象的滤波器，而不是通过手动装置。

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来源
《Japanese journal of radiology》 |2018年第1期|共9页
作者
Kim Kwangdon; Lee Kisung; Lee Hakjae; Joo Sungkwan; Kang Jungwon;
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作者单位

Korea Univ Dept IT Convergence Anam Ro 145 Seoul South Korea;

Korea Univ Dept Bioconvergence Engn Anam Ro 145 Seoul South Korea;

Dept Bioconvergence Engn &

Med Imaging Device Co ARARE Lab Anam Ro 145 Seoul South Korea;

Korea Univ Sch Elect Engn Anam Ro 145 Seoul South Korea;

Dankook Univ Dept Elect &

Elect Engn 152 Jukjeon Ro Yongin 16890 Gyeonggi Do South Korea;

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原文格式 PDF
正文语种 eng
中图分类放射医学;
关键词
Gap filling; Positron emission tomography; DCT; Sinogram interpolation; DCT2;

机译：GAP填充;正电子发射断层扫描;DCT;SINOGRAM插值;DCT2;

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专利

1. An iterative sinogram gap-filling method with object- and scanner-dedicated discrete cosine transform (DCT)-domain filters for high resolution PET scanners [J] . Kim Kwangdon, Lee Kisung, Lee Hakjae, Japanese journal of radiology . 2018,第1期

机译：具有用于高分辨率PET扫描仪的物体和扫描仪专用离散余弦变换（DCT）滤波器的迭代宿隙填充方法
2. Gap-Filling for the High-Resolution PET Sinograms With a Dedicated DCT-Domain Filter [J] . Tuna U., Peltonen S., Ruotsalainen U. Medical Imaging, IEEE Transactions on . 2010,第3期

机译：专用DCT域滤波器填充高分辨率PET字的间隙
3. A novel adaptive discrete cosine transform-domain filter for gap-inpainting of high resolution PET scanners [J] . Medical Physics . 2014,第8期

机译：用于高分辨率PET扫描仪间隙修复的新型自适应离散余弦变换域滤波器
4. DCT-Conv: Coding filters in convolutional networks with Discrete Cosine Transform [C] . Karol Chęiński, Paweł Wawrzyński International Joint Conference on Neural Networks . 2020

机译：DCT-Conv：具有离散余弦变换的卷积网络中的编码滤波器
5. Lossless speech coding based on ITU-T G.729 standard using binary discrete cosine transform (BinDCT) and integer adaptive filtering (IntAF). [D] . Jagtap, Hitendra Dnyaneshwar. 2003

机译：使用二进制离散余弦变换（BinDCT）和整数自适应滤波（IntAF）的基于ITU-T G.729标准的无损语音编码。
6. Feasible Dose Reduction in Routine Chest Computed Tomography Maintaining Constant Image Quality Using the Last Three Scanner Generations: From Filtered Back Projection to Sinogram-affirmed Iterative Reconstruction and Impact of the Novel Fully Integrated Detector Design Minimizing Electronic Noise [O] . Lukas Ebner, Felix Knobloch, Adrian Huber, 2014

机译：常规胸部计算机断层扫描术中的可行剂量减少：使用最后三代扫描仪来保持恒定的图像质量：从滤波反投影到经国歌会确认的迭代重建以及新型全集成探测器设计的影响可将电子噪声降至最低
7. Comparison of Discrete Wavelet Transform (DWT), Discrete Cosine Transform (DCT) and Stationary Wavelet Transform (SWT) based Satellite Image Fusion Techniques [O] . 2017

机译：离散小波变换（DWT），离散余弦变换（DCT）和固定小波变换（SWT）卫星图像融合技术的比较

An iterative sinogram gap-filling method with object- and scanner-dedicated discrete cosine transform (DCT)-domain filters for high resolution PET scanners

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