Hi, I wanted to ask if its normal to take couple of minutes to load CT volume of about 300 slices? I used to drag + drop, which took long, so importing dicom files was quick. But then loading the actual CT volume to view/segment takes couple of minutes. Although I used an older version of slicer (…

I don’t use windows myself, but I’ve been told sometimes the “Desktop” folder is hijacked by OneDrive in unexpected ways. Loading 300 CT slices really shouldn’t take more than a few seconds.

No, it shouldn’t take that long. Is there something special about your data compared to sample data?

Hi, nothing special, it’s a high-resolution diagnostic CT with about 300 slices. Previously, I drag+dropped the data. The import time was shortened after I correctly loaded the dicom from a file. However, actual loading of the data still takes a bit of time. Thanks, let me know if there is anythin…

I think the main thing would be to know if there’s something odd going on either with your data or maybe something with your setup. A 300 slice CT should not take minutes to load. I just tested a 344 slice 512x512 CT and it loaded in just a couple seconds. Maybe you can try other datasets or othe…

The other thing I can think of is that the data is in a shared drive and not on the computer hard drive itself. could that be an issue of the slow loading? May be I can copy one of the data and try loading from the hard drive.

Yes, that would explain it. There have been issues reported recently about OneDrive and Dropbox causing problems. [image] Windows: Unable to import DICOM files that are in a OneDrive-backed up folder Support TL;DR: on Windows, do not use folders that are backed up by Mic…

thanks. I made a local copy of the data on the desktop and the loading takes 2-3 minutes. I am not sure if that was the case for you or if it was instantaneous. Might have something to do with the computer too. I probably need to investigate this further. We are doing a large number of segmentation…

Thanks I put it into the same file as the Appdata for the slicer and it loaded much faster. Thank you,

Slow loading dicom CT slices (~300)

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pieper (Steve Pieper (Isomics, Inc.)) May 17, 2024, 7:18pm 6

Yes, that would explain it. There have been issues reported recently about OneDrive and Dropbox causing problems.

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Slow loading dicom CT slices (~300)

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