P Thomas Fletcher

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. ncbi request reprint A volumetric approach to quantifying region-to-region white matter connectivity in diffusion tensor MRI
    P Thomas Fletcher
    School of Computing, University of Utah, Salt Lake City, UT, USA
    Inf Process Med Imaging 20:346-58. 2007
  2. ncbi request reprint Principal geodesic analysis for the study of nonlinear statistics of shape
    P Thomas Fletcher
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
    IEEE Trans Med Imaging 23:995-1005. 2004
  3. ncbi request reprint Gaussian distributions on Lie groups and their application to statistical shape analysis
    P Thomas Fletcher
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, USA
    Inf Process Med Imaging 18:450-62. 2003
  4. ncbi request reprint A method and software for segmentation of anatomic object ensembles by deformable m-reps
    Stephen M Pizer
    Medical Image Display and Analysis Group, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Med Phys 32:1335-45. 2005
  5. ncbi request reprint Fiber tract-oriented statistics for quantitative diffusion tensor MRI analysis
    Isabelle Corouge
    Department of Computer Science, University of North Carolina, Chapel Hill, USA
    Med Image Anal 10:786-98. 2006
  6. ncbi request reprint Multiscale deformable model segmentation and statistical shape analysis using medial descriptions
    Sarang Joshi
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, 27514, USA
    IEEE Trans Med Imaging 21:538-50. 2002
  7. ncbi request reprint Fiber tract-oriented statistics for quantitative diffusion tensor MRI analysis
    Isabelle Corouge
    Department of Computer Science, University of North Carolina, Chapel Hill, USA
    Med Image Comput Comput Assist Interv 8:131-9. 2005
  8. ncbi request reprint Quantification of measurement error in DTI: theoretical predictions and validation
    Casey Goodlett
    Department of Computer Science, University of North Carolina, USA
    Med Image Comput Comput Assist Interv 10:10-7. 2007
  9. ncbi request reprint Interactive visualization of volumetric white matter connectivity in DT-MRI using a parallel-hardware Hamilton-Jacobi solver
    Won Ki Jeong
    Scientific Computing and Imaging Instiutte, School of Computing, University of Utah, Salt Lake City 84112, USA
    IEEE Trans Vis Comput Graph 13:1480-7. 2007
  10. ncbi request reprint Quantifying metabolic asymmetry modulo structure in Alzheimer's disease
    P Thomas Fletcher
    School of Computing, University of Utah, Salt Lake City, UT, USA
    Inf Process Med Imaging 20:446-57. 2007

Collaborators

Detail Information

Publications12

  1. ncbi request reprint A volumetric approach to quantifying region-to-region white matter connectivity in diffusion tensor MRI
    P Thomas Fletcher
    School of Computing, University of Utah, Salt Lake City, UT, USA
    Inf Process Med Imaging 20:346-58. 2007
    ..In this way we can obtain volumetric measures on white-matter tracts between regions without any explicit integration of tracts. We demonstrate the proposed method on several fiber tracts from DT-MRI data of the normal human brain...
  2. ncbi request reprint Principal geodesic analysis for the study of nonlinear statistics of shape
    P Thomas Fletcher
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
    IEEE Trans Med Imaging 23:995-1005. 2004
    ..We demonstrate its use in describing the variability of medially-defined anatomical objects. Results of applying this framework on a population of hippocampi in a schizophrenia study are presented...
  3. ncbi request reprint Gaussian distributions on Lie groups and their application to statistical shape analysis
    P Thomas Fletcher
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, USA
    Inf Process Med Imaging 18:450-62. 2003
    ..Results of applying this framework on a population of hippocampi in a schizophrenia study are presented...
  4. ncbi request reprint A method and software for segmentation of anatomic object ensembles by deformable m-reps
    Stephen M Pizer
    Medical Image Display and Analysis Group, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Med Phys 32:1335-45. 2005
    ..Software for building and training models has also been developed. The methods underlying this software and its abilities are the subject of this paper...
  5. ncbi request reprint Fiber tract-oriented statistics for quantitative diffusion tensor MRI analysis
    Isabelle Corouge
    Department of Computer Science, University of North Carolina, Chapel Hill, USA
    Med Image Anal 10:786-98. 2006
    ..Feasibility of our approach is demonstrated on various fiber tracts of a single data set. A validation study, based on six repeated scans of the same subject, assesses the reproducibility of this new DTI data analysis framework...
  6. ncbi request reprint Multiscale deformable model segmentation and statistical shape analysis using medial descriptions
    Sarang Joshi
    Medical Image Display and Analysis Group, University of North Carolina at Chapel Hill, 27514, USA
    IEEE Trans Med Imaging 21:538-50. 2002
    ..We show that the method can be used to statistically describe shape variability in intuitive terms such as growing and bending...
  7. ncbi request reprint Fiber tract-oriented statistics for quantitative diffusion tensor MRI analysis
    Isabelle Corouge
    Department of Computer Science, University of North Carolina, Chapel Hill, USA
    Med Image Comput Comput Assist Interv 8:131-9. 2005
    ..Examples from a clinical neuroimaging study of the early developing brain illustrate the potential of this new method to assess white matter fiber maturation and integrity...
  8. ncbi request reprint Quantification of measurement error in DTI: theoretical predictions and validation
    Casey Goodlett
    Department of Computer Science, University of North Carolina, USA
    Med Image Comput Comput Assist Interv 10:10-7. 2007
    ..The predicted values of the systematic and random error caused by imaging noise are essential both for interpreting the results of statistical analysis and for selecting optimal imaging protocols given scan time limitations...
  9. ncbi request reprint Interactive visualization of volumetric white matter connectivity in DT-MRI using a parallel-hardware Hamilton-Jacobi solver
    Won Ki Jeong
    Scientific Computing and Imaging Instiutte, School of Computing, University of Utah, Salt Lake City 84112, USA
    IEEE Trans Vis Comput Graph 13:1480-7. 2007
    ..We demonstrate the proposed method on some synthetic and real DT-MRI datasets and compare the performance with existing methods...
  10. ncbi request reprint Quantifying metabolic asymmetry modulo structure in Alzheimer's disease
    P Thomas Fletcher
    School of Computing, University of Utah, Salt Lake City, UT, USA
    Inf Process Med Imaging 20:446-57. 2007
    ..We present results from applying the methodology to images from the Alzheimer's Disease Neuroimaging Initiative (ADNI)...
  11. pmc Shape modeling and analysis with entropy-based particle systems
    Joshua Cates
    School of Computing, University of Utah, Salt Lake City UT, USA
    Inf Process Med Imaging 20:333-45. 2007
    ..This paper presents the formulation; several synthetic examples in two and three dimensions; and an application to the statistical shape analysis of the caudate and hippocampus brain structures from two clinical studies...
  12. doi request reprint Automatic shape model building based on principal geodesic analysis bootstrapping
    Erik B Dam
    Nordic Bioscience, Imaging, Herlev Hoved 207, Herlev, Denmark
    Med Image Anal 12:136-51. 2008
    ..Furthermore, the correspondence properties measured by generality, specificity, and compactness are improved during the shape model building iterations...