igp ncrr image and geometry processing highlights of ongoing work geometry processing shape...
DESCRIPTION
IGP NCRR Shape Analysis Correspondences Geodesics on Solid ShapesTRANSCRIPT
![Page 1: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/1.jpg)
IGP
NCRR
Image and Geometry Processing
Highlights of ongoing work•Geometry processing•Shape analysis•Visualization/segmentation
![Page 2: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/2.jpg)
IGP
NCRR
Geometry Processing/Modeling
Volumes Label Maps
Corre
ct T
opol
ogy
Surface Meshes
Body-Fitted Meshes
SegmentationTools
VolumetricTopology Filtering
Antialiasing
Meshing: Adaptive, Geometrically Regular
Integrate 3rd Party Packages (Tets)
![Page 3: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/3.jpg)
IGP
NCRR
Shape AnalysisCorrespondencesGeodesics on Solid Shapes
![Page 4: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/4.jpg)
IGP
NCRR
Shape Correspondence ProblemShape metrics that rely on
correspondence
Correspondence depends on context of ensemble
![Page 5: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/5.jpg)
IGP
NCRR
Particle Systems for Adaptive Surface Sampling
Meyer et al., Under review, IEEE Vis 2006
![Page 6: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/6.jpg)
IGP
NCRR
A Particle-Based ApproachMinimize shape and ensemble entropy
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
Cates et al., To appear MICCAI 2006 Workshop on Foundations of Computational Anatomy
![Page 7: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/7.jpg)
IGP
NCRR
Statistical Shape Analysis
QuickTime™ and aMPEG-4 Video decompressor
are needed to see this picture.
![Page 8: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/8.jpg)
IGP
NCRR
Geodesics of Solid Shapes
Fletcher and Whitaker, To appear MICCAI 2006 Workshop on Foundations of Computational Anatomy
![Page 9: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/9.jpg)
IGP
NCRR
Segmentation Research
Neighborhood statistics•Manifolds in high-dimensional
spaces• Filtering, compression,
segmentation, visualizationStrategy•Nonparametric density
estimation• Engineering issues
![Page 10: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/10.jpg)
IGP
NCRR
MRI Head SegmentationMICCAI 2005, MedIA to appear
MRI Input GM, WM, CSF Seg. Comparison: SOTA–EM w/MRFs & Atlas(Leemput et al.)
GM Classification Performance vs Noise Level
Collab: Makeig-Worrell, Wolters, Warfield, McIntyre
85
87
89
91
93
95
97
0% 1% 3% 5% 7% 9%
Proposed Leemput
![Page 11: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/11.jpg)
IGP
NCRR
Cell/Texture SegmentationNonparametric density estimation – image neighorhoods
• TexturePartition image to reduce in-class entropyRandom initializationFast (nonlocal) level-set method
Collab: NCMIR, Marc
![Page 12: IGP NCRR Image and Geometry Processing Highlights of ongoing work Geometry processing Shape analysis…](https://reader036.vdocument.in/reader036/viewer/2022062911/5a4d1bf07f8b9ab0599e59de/html5/thumbnails/12.jpg)
IGP
NCRR
IGP Research PlansContinued development of
meshing capabilitiesShape analysis development
and applicationApplications of neighborhood
statistics to visualization of complex data