Is there any way to import 4D perfusion NIFTI image to DSCMRIAnalysis?

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In the NRRD file you sent me, the attributes that are needed for the analysis are not initialized.

You should specify the following (this is how they are initialized if the DICOM series is imported directly from DICOM for the dataset you shared):

MultiVolume.FrameIdentifyingDICOMTagName:=Time
MultiVolume.FrameIdentifyingDICOMTagUnits:=ms

In the MultiVolumeImporter UI, you have place to initialize those:

image

You can also initialize those programmatically, as done here: MultiVolumeImporter/MultiVolumeImporter.py at master · fedorov/MultiVolumeImporter · GitHub

It does look like those attributes are not initialized from the GUI when import is done from 4D NIfTI, this is probably a bug that we should fix, but you can also fix this in your custom conversion code.

For now, I captured this in a bug report here: MV attributes not propagated from GUI when imported from 4D NIfTI · Issue #33 · fedorov/MultiVolumeImporter · GitHub