Top Banner
3T Thalamic Segmentation
20

3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Dec 21, 2015

Download

Documents

Alvin Tyler
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

3T Thalamic Segmentation

Page 2: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Data

• From a MPnRAGE acquisition at 3T provided by Manoj

• Approximate white matter null chosen for thalamic segmentation

Page 3: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Template

Page 4: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Registration to Template

Page 5: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Native

Page 6: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Registered 668

Page 7: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Registered 901

Page 8: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Registered ANON624

Page 9: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Registered ctrl_920

Page 10: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Pul

VLMD

AT

MTT

AT MD VLPul

a b c d

Desired Segmentation

Page 11: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Creating VL for Priors

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

Page 12: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

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

Page 13: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Native

Page 14: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Thalamus

Page 15: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Thalamus

Page 16: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

AV (AT)

Page 17: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

MD

Page 18: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

Pul

Page 19: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

VL

Page 20: 3T Thalamic Segmentation. Data From a MPnRAGE acquisition at 3T provided by Manoj Approximate white matter null chosen for thalamic segmentation.

MTT