2010 Summer Project Week HAMMER: Deformable Registration - Revision history

Taox at 13:50, 25 June 2010

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 Image: HammerWizard-Step1.png|HammerWizard1
 Image: HammerWizard-Step2.png|HammerWizard2
 </gallery>

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 Image: b3.png|Processing pipeline in Slicer3
 Image: b2.png|Warping result by HAMMER
 </gallery>

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 <h3>Progress</h3>
-* During this past week (2010), we finalized HAMMER "alpha" release on NITRC and gave a tutorial. In the next couple of weeks, we will continue to polish the tutorial and code, provide support to and collect feedback from early HAMMER adapters.
+* Project week (Boston, 2010): We have 1) extended HAMMER registration algorithm to work on intensity image, bypassing the pre-segment of MR images; 2) replacing the gaussian propagation with the thin-plate interpolation to achieve more accurate and efficient registration; 3) implement the soft-assignment strategy, instead of the one-to-one correspondence, in detecting correspondence during registration.
-* Since winter project week 2009 in Utah, we have developed/implemented HAMMER registration algorithm using ITK classes. New ITK classes have been created for tasks of HAMMER. Each component has been tested. The source code is version controlled at NITRC site. The current development corresponds to the original Hammer algorithm that is based on tissue classification of T1 weighted images (as outlined on the first HAMMER paper).
+* Project week (Utah, 2010): We have finalized HAMMER "alpha" release on NITRC and gave a tutorial. In the next couple of weeks, we will continue to polish the tutorial and code, provide support to and collect feedback from early HAMMER adapters.
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 </div>
 ==References==
 * Dinggang Shen, Christos Davatzikos, [http://www.med.unc.edu/~dgshen/papers/Hammer_VersionInTMI.pdf HAMMER: Hierarchical Attribute Matching Mechanism for Elastic Registration], IEEE Trans. on Medical Imaging, 21(11):1421-1439, Nov 2002.

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 Image: namic.png|The output deformation filed by HAMMER
 Image: b1.png|Hierarchical Registration
-Image: hammer.png|HAMMER in Slicer3
+Image: b3.png|Processing pipeline in Slicer3
-Image: b2.png|HAMMER in Slicer3
+Image: b2.png|Warping result by HAMMER
 </gallery>

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 <gallery>
 Image:HammerAttribute.jpg|Components of Hammer Attribute Vectors.
-Image:HammerSimilarity.png|Similarity map (middle column) computed on moving image (right) for the selected point on the fixed image (left, cross). Point indicated by a cross on the middle and right column is the point on the moving image that is the most similar to the picked point on the fixed image.
+Image:HammerSimilarity.png|Similarity map
 Image: namic.png|The output deformation filed by HAMMER
 Image: b1.png|Hierarchical Registration