All-phase MR Angiography Using Independent Component Analysis of Dynamic Contrast Enhanced MRI Time Series : φ-MRA
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概要
- 論文の詳細を見る
Dynamic contrast enhanced magnetic resonance imaging (dynamic MRI) represents a MRI version of non-diffusible tracer methods, the main clinical use of which is the physiological construction of what is conventionally referred to as perfusion images. The raw data utilized for constructing MRI perfusion images are time series of pixel signal alterations associated with the passage of a gadolinium containing contrast agent. Such time series are highly compatible with independent component analysis (ICA), a novel statistical signal processing technique capable of effectively separating a single mixture of multiple signals into their original independent source signals (blind separation). Accordingly, we applied ICA to dynamic MRI time series. The technique was found to be powerful, allowing for hitherto unobtainable assessment of regional cerebral hemodynamics in vivo.
- 日本磁気共鳴医学会の論文
- 2003-04-01
著者
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中山 若樹
北海道大学 神経外科
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Nakayama Naoki
Department Of Neurosurgery Hokkaido University Graduate School Of Medicine
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中山 若樹
札幌麻生脳神経外科病院
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WATANABE Masaki
Center for Integrated Human Brain Science, Brain Research Institute, University of Niigata
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KWEE Ingrid
Department of Neurology, University of California
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NAKADA Tsutomu
Center for Integrated Human Brain Science, Brain Research Institute, University of Niigata
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Kwee Ingrid
Department Of Neurology University Of California
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Nakayama Naoki
Department Of Ecosystem Studies Graduate School Of Agricultural And Life Sciences The University Of
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Nakayama Naoki
Department Of Neurosurgery Hokkaido University
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Nakada Tsutomu
Center For Integrated Brain Science Brain Research Institute University Of Niigata
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SUZUKI Kiyotaka
Center for Integrated Brain Science, Brain Research Institute, University of Niigata
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MATSUZAWA Hitoshi
Center for Integrated Brain Science, Brain Research Institute, University of Niigata
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IGARASHI Hironaka
Department of Neurology, Nihon Medical Colleage
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Igarashi Hironaka
Department Of Neurology Nihon Medical Colleage
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Matsuzawa Hitoshi
Center For Integrated Brain Science Brain Research Institute University Of Niigata
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Suzuki Kiyotaka
Center For Integrated Brain Science Brain Research Institute University Of Niigata
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Watanabe Masaki
Center For Integrated Brain Science Brain Research Institute University Of Niigata
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Nakayama Naoki
Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
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