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Contrast detection and guided reconstruction in contrast-enhanced magnetic resonance angiography
Contrast detection and guided reconstruction in contrast-enhanced magnetic resonance angiography
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机译:对比增强磁共振血管造影中的对比度检测和引导重建
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摘要
A dynamic MRA study is performed using a 3D fast gradient recalled echo pulse sequence. A signal strength indicator for each acquired k-space data set is calculated and these indicator values are employed to produce a contrast curve. This contrast curve is used to select data for use in forming a CONTRAST k-space data set and a MASK k-space data set. The MASK is subtracted from the CONTRAST data set and the result is used to reconstruct an image.
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