Difference between revisions of "NA"

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'''Objective:''' Use fiber clustering in multiple subjects to create a model ("atlas") of tractography clusters. Perform automatic segmentation of novel tractography datasets (brains) by application of this atlas. Also transfer anatomical information via cluster labels in the atlas.
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'''Objective:''' To provide the infrastructure necessary to represent, manage, and transform between the variety of coordinate frames used in medical imaging.
  
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'''Progress:''' Atlas creation and automatic labeling has been performed in high-quality DTI datasets from Susumu Mori. Images showing example segmentation results are below. Work is underway to apply this atlas to segment additional datasets to define regions of interest that may be used in the study of schizophrenia.
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<br />'''Progress:''' A new image class, itk::OrientedImage, has been developed and added to ITK. This image class caches the image direction cosines. ITK's IO mechanisms have been updated to read and write orientation information. Filters which implictly manipulate orientation (flip, resample, etc.) have been modified to explictly modify the cached image orientation.
  
 
'''Key Investigators:'''
 
'''Key Investigators:'''
  
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* Lauren O'Donnell, MIT
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* GE Research: Bill Lorensen, Jim Miller
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* Carl-Fredrik Westin, BWH
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* Isomics: Steve Pieper
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* Marek Kubicki, BWH
 
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* Martha Shenton, BWH
 
  
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'''Example Results:'''
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'''Links:'''
  
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Selected anatomical regions, automatically labeled using the cluster atlas in 3 subjects.
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* [http://www.itk.org/Wiki/Proposals:Orientation Image Orientation in ITK]
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[[Image:Th_SM_14_41_labels-0001.png|[[Image:Th_SM_14_41_labels-0001.png|Image:Th_SM_14_41_labels-0001.png]]]] [[Image:Th_SM_15_labels-0001.png|[[Image:Th_SM_15_labels-0001.png|Image:Th_SM_15_labels-0001.png]]]] [[Image:Th_SM_17_labels-0001.png|[[Image:Th_SM_17_labels-0001.png|Image:Th_SM_17_labels-0001.png]]]]
 
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Subdivisions of the corpus callosum, labeled using the cluster atlas in 3 subjects.
 
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[[Image:Th_corpus-SM_020001.png|[[Image:Th_corpus-SM_020001.png|Image:Th_corpus-SM_020001.png]]]] [[Image:Th_corpus-SM_140001.png|[[Image:Th_corpus-SM_140001.png|Image:Th_corpus-SM_140001.png]]]] [[Image:Th_corpus-SM_150001.png|[[Image:Th_corpus-SM_150001.png|Image:Th_corpus-SM_150001.png]]]]
 

Revision as of 13:28, 18 December 2006

Home < NA

Objective: To provide the infrastructure necessary to represent, manage, and transform between the variety of coordinate frames used in medical imaging.


Progress: A new image class, itk::OrientedImage, has been developed and added to ITK. This image class caches the image direction cosines. ITK's IO mechanisms have been updated to read and write orientation information. Filters which implictly manipulate orientation (flip, resample, etc.) have been modified to explictly modify the cached image orientation.

Key Investigators:

  • GE Research: Bill Lorensen, Jim Miller
  • Isomics: Steve Pieper

Links:

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