Spatial encoding - PowerPoint PPT Presentation

2D FT Review

2D FT Review. MP/BME 574. 1D to 2D Sampling. Signal under analysis is periodic Signal is ‘essentially bandlimited’ Sampling rate is high enough to satisfy Nyquist criterion Other assumptions (for convenience) Signal is sampled with uniformly spaced intervals. n 2. n. 1.

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938 views • 75 slides

Allen W. Song, PhD Brain Imaging and Analysis Center Duke University

MRI: Image Formation. Allen W. Song, PhD Brain Imaging and Analysis Center Duke University. What is image formation?. To define the spatial location of the sources that contribute to the detected signal. A Simple Example. But MRI does not use projection, reflection, or refraction

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720 views • 46 slides

More MR Fingerprinting

More MR Fingerprinting. Key Concepts. Traditional parameter mapping has revolved around fitting signal equations to data with tractable analytical forms mcDESPOT is perhaps among the more complicated but still uses a multi-component matrix exponential model of the SPGR and SSFP signals

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353 views • 11 slides

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