biac:analysis:topup_correction

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biac:analysis:topup_correction [2021/08/24 18:26] cmp12 |
biac:analysis:topup_correction [2021/08/24 18:29] (current) cmp12 |
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readout = ( ( ceil ((1/Round_factor) * AcquisitionMatrixPE / Asset_R_factor ) * Round_factor) - 1 ) * EchoSpacing * 0.000001 | readout = ( ( ceil ((1/Round_factor) * AcquisitionMatrixPE / Asset_R_factor ) * Round_factor) - 1 ) * EchoSpacing * 0.000001 | ||

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- | EffectiveEchoSpacing = TotalReadoutTime/ (reconMatrixPE - 1) | ||

AcquisitionMatrixPE = the acquisition size of the data ( acquisitionmatrix[0] ) | AcquisitionMatrixPE = the acquisition size of the data ( acquisitionmatrix[0] ) | ||

- | reconMatrixPE = the size of the reconstructed data ( may be different from acquisition because of FFT rules ) | ||

Round_factor = 4 if partial fourier ( PFF is in scanoptions ), 2 if full fourier. most all scans will be 4 | Round_factor = 4 if partial fourier ( PFF is in scanoptions ), 2 if full fourier. most all scans will be 4 | ||

Asset_R_factor = the reciprocal of the first value of dcm tag (0043,1083) | Asset_R_factor = the reciprocal of the first value of dcm tag (0043,1083) |

biac/analysis/topup_correction.txt · Last modified: 2021/08/24 18:29 by cmp12