Matt, On the Segmentation Operations page, try either unchecking the Volume Error Correction Method or setting it to SUREFIT. It is possible that there is a large topological defect and the GRAPH (based on Automated graph-based analysis and correction of cortical volume topology DW Shattuck, RM Leahy - IEEE Trans. Med. Imaging, 2001) algorithm is removing a large handle rather than filling a large hole (possibly the gyri that appear to touch in the left side of your image).
----------------------------------- John Harwell j...@brainvis.wustl.edu Department of Anatomy and Neurobiology Washington University School of Medicine 660 S. Euclid Ave Box 8108 Saint Louis, MO 63110 On Jan 26, 2010, at 10:31 AM, Matthew Ward wrote: > Good morning, everyone. I've recently encountered a problem I haven't > experienced before (attached). I've segmented this brain several times > before (but not in a good while) with great results, but I cannot for the > life of me figure out why my segmentation volume is truncated about 2/3s out > from the midline. I did not run a full segmentation, just a quick check on > the GM/WM settings (turned off 'fill ventricles', 'generate inflated/very > inflated/ellipsoid/cerebral hull and curvature...attributes). Any ideas on > why this truncation is occurring? When setting the GM/WM cutoffs, the > segmentation overlay did not show this truncation. Thanks for any help. > > Best, > > -- > Matt > <Picture 11.png><Picture > 12.png>_______________________________________________ > caret-users mailing list > caret-users@brainvis.wustl.edu > http://brainvis.wustl.edu/mailman/listinfo/caret-users _______________________________________________ caret-users mailing list caret-users@brainvis.wustl.edu http://brainvis.wustl.edu/mailman/listinfo/caret-users
