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K-space Encoding#

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K-space#

MRI is a so-called Fourier imaging technique, where data is acquired in the Fourier Transform domain. The Fourier Transform domain is referred to as “k-space”. This section describes the how to characterize MRI spatial encoding using k-space, including frequency encoding, phase encoding and other k-space trajectories.

Learning Goals#

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Image Formation

Image Characteristics

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Contents

  • k-space
  • MRI signal
  • From MRI data to images
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  • Cartesian K-space (Frequency and Phase encoding, or FT Imaging) -
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  • Phase Encoding
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  • Frequency and Phase Encoding
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  • K-space Trajectories -