Re: [Freesurfer] Samseg dice is low

2022-09-04 Thread Cerri, Stefano
Hi Dilek, 0.2 Dice seems extremely low. Also, in my experience, a threshold of 0.05 on T1w-FLAIR scans will show up many FP lesions. We usually reported a Dice in the range of 0.50-0.65 on various datasets (MS and WMH, default threshold, T1w-FLAIR), so I'm surprised by a such low value. Can

[Freesurfer] Samseg dice is low

2022-09-04 Thread Dilek Özkan
External Email - Use Caution Hello all, I use Freesurfer-Samseg for MS lesion segmentation(cross-sectional). I use the T1 and Flair for this. (just these are inputs) I registered *flair and t1 to DIR *for every patient. (My manual lesion masks are on DIR imaging.) I controlled