4 ms·
I’m extremely impressed with the longevity of FreeSurfer, I just desperately wish it was extensible with different atlases.
by FL33TW00D 5y ago
I’m extremely impressed with the longevity of FreeSurfer, I just desperately wish it was extensible with different atlases.
- a-dub 5y agoit's like what? 10-15 years now?
- riskneutral 5y agoWhat does “extensible with different atlases” mean?
- ska 5y agoThe idea predates modern usage, back to 1967: https://en.wikipedia.org/wiki/Talairach_coordinates https://en.wikipedia.org/wiki/Talairach_coordinates, where they were trying to define a common way of referring to structures. In this freesurfer sense it is the result of a training set, where an expert has delineated cortical and/or subcortical structure on a set of one or more images. If you have multiple images and you map them all into the same atlas space, you can derive a probabilistic model from this, or collapse it to a highest likelihood map or whatever you want. The cortical and subcortical labeling algorithms used in freesurfer use such a (probabilistic) atlas as one of the inputs. GP is wishing that they could replace this with a new, presumably improved, version.
- marmaduke 5y agoIt is extensible if you have the training set. A more recent criticism is that it only uses the curvature of the cortical surface to do its work, whereas more recent atlases such at the Glasser HCP use multimodal data.
- FL33TW00D 5y agoExactly this, I just want to use it with Glasser or the like but it's not really feasible. And since DKT just doesn't capture what we need, FreeSurfer gets left behind.