書誌事項
- タイトル別名
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- Development of a Reconstruction Method using the Non-uniform Fourier Transform and a Machine Learning Approach for Spiral Imaging [Presidential Award Proceedings]
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抄録
<p> Spiral magnetic resonance imaging enables fast and efficient acquisition, although it suffers from aliasing artifact in cases of undersampling. It is still challenging to achieve fast and robust reconstruction for undersampled spiral datasets since iterative approaches are generally required. In this study, we developed a straightforward reconstruction method for spiral imaging using the non-uniform Fourier transform and convolutional neural networks (CNN). Two CNNs were used for estimating the sensitivity maps for parallel imaging and removing aliasing artifact caused by the undersampling. Simulation and volunteer studies were conducted to show the usefulness of our method. The results implied that the proposed method enables better performance than a conventional reconstruction method.</p>
収録刊行物
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- 日本磁気共鳴医学会雑誌
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日本磁気共鳴医学会雑誌 39 (1), 20-24, 2019-02-15
日本磁気共鳴医学会
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詳細情報 詳細情報について
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- CRID
- 1390845713057077376
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- NII論文ID
- 130007615384
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- ISSN
- 24340499
- 09149457
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可