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GE Direct field mapping deltaTE (or TE1/TE2) #617
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The delta TE is controlled by the User CV implicitly:
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@mr-jaemin I think the BIDS fields are would be |
Sounds good! |
@mr-jaemin GE scanners generate a direct field mapping. So the only required BIDS field for the So it looks like adding these values is optional. My sense is that they would only obfuscate the raw magnitude, phase, raw and imaginary images, as each of those only has a single echo time associated with the image. It seems like it might be helpful (but not required) to include I suggest you submit a pull request, I am recovering from shoulder surgery so typing is laborious for me. |
Agreed that it may be confusing to add I would submit a pull request. Hope you recover soon. |
Thank @mr-jaemin this will close GE Direct field mapping (TE1/TE2) (#617)
Fixed in development branch |
* tag 'v1.0.20220720': (65 commits) GE Direct field mapping (TE1/TE2) (rordenlab#617) GE Direct field mapping (TE1/TE2) (rordenlab#617) Issue 618 (rordenlab#618) Update notes Siemens XA30 ASL parameters and ImageTypeText 0021,1175 Reset PET values for classic DICOMs (rordenlab#616) PostLabelDelay for XA30, FrameDuration is only for 4D datasets (rordenlab#616) shims are signed (rordenlab#608) AcquisitionVoxelSize before any interpolation or resampling within reconstruction or image processing Add AcquisitionVoxelSize tag for Siemens ASL (rordenlab#608) Store GE ShimSetting as array (rordenlab#608) GE sequence details (rordenlab#608) Philips slice timing notes Verbose scan options (issue 606) Change scanOptions scan options is long string, fix bvec rejection (rordenlab#606) Ignore non-spatial physio data (rordenlab#606) Flipping Y also flips sign of determinant Better Siemens XA support (rordenlab#606) Report DwellTime for Siemens XA (rordenlab#240) ...
What do you think about adding the delta TE or (TE1, TE2) from GE direct field mapping DICOM to BID JSON?
where VelocityEncodeScale can be found from DICOM
Delta TE = 2304 us (TE1 = 4608 us, TE2=6912 us)
I confirmed the TE1/TE2/VelocityEncodeScale on the console as well as the above formula from the code. Any suggestion to save the delta TE or TE2 information in the BIDS sidecar JSON file?
GE_6_CV_Neuro_HH_Adv_fieldmaphz.json
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