3T Thalamic Segmentation

Data

• From a MPnRAGE acquisition at 3T provided by Manoj

• Approximate white matter null chosen for thalamic segmentation

Template

Registration to Template

Native

Registered 668

Registered 901

Registered ANON624

Registered ctrl_920

Pul

VLMD

AT

MTT

AT MD VLPul

a b c d

Desired Segmentation

Creating VL for Priors

• Close (Dilate then Erode) with a 3x3x3 box• Then subtract MTT

Automatic Segmentation

• Prior ROIs including the newly created are registered to the target– Nonlinear warp via the mean brain template

• Use out-of-the-box PICSL for label fusion

Native

Thalamus

Thalamus

AV (AT)

MD

Pul

VL

MTT