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number of shrink factors does nto match the number of levels #367
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This doesn't look right at all. This would be 1mm x 1mm x 1mm. Why did you choose this? Can you please provide much more info about your input data. What resolution is it collected at? Do you have structural images? |
This is indeed likely the source of the error. 1X1X1 is recommend only for testing on token data (I suspect this is why you are using this parameter). This parameters doesn't make sense with real data. You should leave out this parameter if you want an automatic estimation of your image dimensionality, or use a more sensible dimension (e.g. 0.15mm isotropic for mouse data). |
Ah I see, I used 1x1x1 based off the tutorial - didn't realise it was in mm units. My data resolution is 0.3mm x 0.3mm x 1mm with (64 x 64 x 16 pixels) and 1350 volumes in the time dimension (TR=2s). I have structural images, resolution 0.15mm x 0.15mm x 1mm (128 x 128 x 16 pixels). I'm trying again 0.3 as per my functional image and alternatively without specifying that parameter. Will update when it's done. Thank you. |
0.3 should work, but you may want to consider keeping the 0.15mm resolution of your anatomical scans, as higher resolution for anatomical preprocessing may result in better registration. |
Yes, that seemed to solve the issue. In the end, I just let the sampling be automatically determined. Thank you. |
Hi,
I tried running RABIES on the token dataset as well as the test dataset. Both times, it ran to completion. I then tried it on my own resting state fMRI data of dimensions 64x64x16x1350. Using the same command for preprocess as per the tutorial (bold2anat_coreg registration=no_reg), it managed to run but I hope to do some distortion correction using bold2anat_coreg where I set registration to Rigid as per:
However, this gives the error that the number of shrink factors does not match the number of levels. I'm not sure what I'm doing wrong and would appreciate any guidance. Thank you.
Here is the full output:
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