Coil sensitivities - PowerPoint PPT Presentation

Parallel Imaging Reconstruction

Parallel Imaging Reconstruction. Reduced acquisition times. Higher resolution. Shorter echo train lengths (EPI). Artefact reduction. Multiple coils - “parallel imaging”. K-space from multiple coils. coil views. coil sensitivities. multiple receiver coils. k-space.

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249 views • 21 slides

Complex Data

Complex Data. For single channel data [1] Real and imag . images are normally distributed with N(S, σ 2 ) Then magnitude images follow Rice dist., which is approximately normal in “high” SNR (3+) ≈N( sqrt (S 2 + σ 2 ), σ 2 ) For multi-channel data and parallel acceleration [2]:

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254 views • 16 slides

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