slides - Brainmapping.ORG
slides - Brainmapping.ORG
slides - Brainmapping.ORG
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1D k-space<br />
1D k-space<br />
time<br />
-orspace<br />
time<br />
-orspace<br />
Any signal/image can be decomposed into a<br />
summation of sine waves of appropriate amplitude.<br />
Any signal/image can be decomposed into a<br />
summation of sine waves of appropriate amplitude.<br />
Radiology<br />
Radiology<br />
Fourier Representation<br />
What is k-space<br />
k-space<br />
image space<br />
time<br />
-orspace<br />
➠ FFT<br />
FFT<br />
➠<br />
low<br />
frequency<br />
high<br />
k-space is the raw data collected by the scanner.<br />
Radiology