Phase Encoding
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Phase Encoding Q&A's
- Why do some gradients change frequency and others change phase? It seems like they should do all work the same way.
- If each pixel is assigned a unique phase and frequency, why can't you use just a single phase-encoding step to decode spatial information?
- I understand frequency-encoding, but I just don't get phase-encoding. Can you explain?
- I understand the 2-pixel example, but I still can't put it all together with the whole image and frequency encoding. Can you help?
- I think I see how to calculate pixel values in your simple examples, but how do you do this in a real image with thousands of pixels?
- How do you pick which anatomic direction to use for frequency- or phase-encoding?
Phase Encoding Topics