Baba Vemuri

Summary

Affiliation: University of Florida
Country: USA

Publications

  1. ncbi request reprint Fast numerical algorithms for fitting multiresolution hybrid shape models to brain MRI
    B C Vemuri
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville 32611, USA
    Med Image Anal 1:343-62. 1997
  2. pmc Total Bregman divergence and its applications to DTI analysis
    Baba C Vemuri
    Department of Computer and Information Science and Engineering CISE, The University of Florida, Gainesville, FL 32611, USA
    IEEE Trans Med Imaging 30:475-83. 2011
  3. ncbi request reprint Image registration via level-set motion: applications to atlas-based segmentation
    B C Vemuri
    Department of CISE, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 7:1-20. 2003
  4. ncbi request reprint An efficient motion estimator with application to medical image registration
    B C Vemuri
    Department of Computer and Information Sciences and Engineering, University of Florida, Gainesville 32611, USA
    Med Image Anal 2:79-98. 1998
  5. ncbi request reprint DT-MRI denoising and neuronal fiber tracking
    T McGraw
    Department of Computer and Information Sciences and Engineering, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 8:95-111. 2004
  6. ncbi request reprint A new & robust information theoretic measure and its application to image alignment
    F Wang
    Department of Computer and Information Sciences and Engr, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 18:388-400. 2003
  7. ncbi request reprint A constrained variational principle for direct estimation and smoothing of the diffusion tensor field from DWI
    Z Wang
    Department of Computer and Information Sciences and Engr, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 18:660-71. 2003
  8. pmc Kernel Fisher discriminant for shape-based classification in epilepsy
    S Kodipaka
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 11:79-90. 2007
  9. ncbi request reprint Local frequency representations for robust multimodal image registration
    J Liu
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville 32611, USA
    IEEE Trans Med Imaging 21:462-9. 2002
  10. ncbi request reprint DTI segmentation using an information theoretic tensor dissimilarity measure
    Zhizhou Wang
    Siemens Corporate Research Inc, Princeton, NJ 08540, USA
    IEEE Trans Med Imaging 24:1267-77. 2005

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Fast numerical algorithms for fitting multiresolution hybrid shape models to brain MRI
    B C Vemuri
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville 32611, USA
    Med Image Anal 1:343-62. 1997
    ..We demonstrate the efficiency of our model fitting methods via experiments on several MR brain scans...
  2. pmc Total Bregman divergence and its applications to DTI analysis
    Baba C Vemuri
    Department of Computer and Information Science and Engineering CISE, The University of Florida, Gainesville, FL 32611, USA
    IEEE Trans Med Imaging 30:475-83. 2011
    ..Additionally, we derive the piecewise smooth active contour model for segmentation of DT-MRI using the TBD and present several comparative results on real data...
  3. ncbi request reprint Image registration via level-set motion: applications to atlas-based segmentation
    B C Vemuri
    Department of CISE, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 7:1-20. 2003
    ..In each of these experiments, automated hippocampal shape recovery results are validated via manual "expert" segmentations...
  4. ncbi request reprint An efficient motion estimator with application to medical image registration
    B C Vemuri
    Department of Computer and Information Sciences and Engineering, University of Florida, Gainesville 32611, USA
    Med Image Anal 2:79-98. 1998
    ..We present examples of motion estimation on synthetic and real data (from a patient acquired during pre- and post-operative stages) and compare the performance of our algorithm with that of competing ones...
  5. ncbi request reprint DT-MRI denoising and neuronal fiber tracking
    T McGraw
    Department of Computer and Information Sciences and Engineering, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 8:95-111. 2004
    ..3) A particle system form of visualization is also presented. This mode of display allows for interactive exploration of fiber connectivity with no additional preprocessing...
  6. ncbi request reprint A new & robust information theoretic measure and its application to image alignment
    F Wang
    Department of Computer and Information Sciences and Engr, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 18:388-400. 2003
    ..We demonstrate these strengths via experiments on synthesized and real image data...
  7. ncbi request reprint A constrained variational principle for direct estimation and smoothing of the diffusion tensor field from DWI
    Z Wang
    Department of Computer and Information Sciences and Engr, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 18:660-71. 2003
    ..Both synthetic and real data experiments are shown to depict the performance of the tensor field estimation algorithm. Fiber tracts in a rat brain are then mapped using a particle system based visualization technique...
  8. pmc Kernel Fisher discriminant for shape-based classification in epilepsy
    S Kodipaka
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    Med Image Anal 11:79-90. 2007
    ..It should be noted that automated identification of hemispherical foci of epilepsy has not been previously reported...
  9. ncbi request reprint Local frequency representations for robust multimodal image registration
    J Liu
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville 32611, USA
    IEEE Trans Med Imaging 21:462-9. 2002
    ..We experimently show that our L2E-based scheme yields better accuracy over the normalized mutual information...
  10. ncbi request reprint DTI segmentation using an information theoretic tensor dissimilarity measure
    Zhizhou Wang
    Siemens Corporate Research Inc, Princeton, NJ 08540, USA
    IEEE Trans Med Imaging 24:1267-77. 2005
    ..We then incorporate this new tensor "distance" in a region based active contour model for DTI segmentation. Synthetic and real data experiments are shown to depict the performance of the proposed model...
  11. pmc Registration of high angular resolution diffusion MRI images using 4th order tensors
    Angelos Barmpoutis
    University of Florida, Gainesville FL 32611, USA
    Med Image Comput Comput Assist Interv 10:908-15. 2007
    ..We validate and compare our technique with other existing scalar image and DTI registration methods using simulated diffusion MR data and real HARDI datasets...
  12. pmc Tensor splines for interpolation and approximation of DT-MRI with applications to segmentation of isolated rat hippocampi
    Angelos Barmpoutis
    Department of Computer and Information Science and Engineering CISE, University of Florida, Gainesville, FL 32611, USA
    IEEE Trans Med Imaging 26:1537-46. 2007
    ..We also present comparisons of our algorithms with existing methods and show significantly improved results in the presence of noise as well as outliers...
  13. pmc A unified computational framework for deconvolution to reconstruct multiple fibers from diffusion weighted MRI
    Bing Jian
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611 USA
    IEEE Trans Med Imaging 26:1464-71. 2007
    ..The comparisons empirically suggest that nonnegative least squares method is the technique of choice for the multifiber reconstruction problem in the presence of intravoxel orientational heterogeneity...
  14. ncbi request reprint Characterization of anomalous diffusion from mr signal may be a new probe to tissue microstructure
    Evren Ozarslan
    Section on Tissue Biophysics and Biomimetics, LIMB, NICHD, National Institutes of Health, Bethesda, MD 20892, USA
    Conf Proc IEEE Eng Med Biol Soc 1:2256-9. 2006
    ..Therefore, it may be possible to use the proposed scheme to generate novel contrast mechanism for classifying and segmenting tissue...
  15. ncbi request reprint Diffusion basis functions decomposition for estimating white matter intravoxel fiber geometry
    Alonso Ramirez-Manzanares
    Computer Science Department, Centro de Investigacion en Matematicas A C, Guanajuato 36000, Mexico
    IEEE Trans Med Imaging 26:1091-102. 2007
    ..Such minimizations are efficiently achieved with standard iterative deterministic algorithms. Finally, we present results of applying the algorithms to synthetic as well as real data...
  16. pmc Multi-fiber reconstruction from diffusion MRI using mixture of Wisharts and sparse deconvolution
    Bing Jian
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 20:384-95. 2007
    ..The performance of our multi-fiber reconstruction method using the MOW model is demonstrated on both synthetic and real data along with comparisons with state-of-the-art techniques...
  17. pmc Symmetric positive 4th order tensors & their estimation from diffusion weighted MRI
    Angelos Barmpoutis
    Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 20:308-19. 2007
    ..We define a metric for the higher-order tensors and employ it for regularization across the lattice. Finally, performance of this model is depicted on synthetic data as well as real DW-MRI from an isolated rat hippocampus...
  18. pmc A novel tensor distribution model for the diffusion-weighted MR signal
    Bing Jian
    Department of Computer and Information Science and Engineering, University of Florida, P O Box 116120, Gainesville, FL 32611, USA
    Neuroimage 37:164-76. 2007
    ..Experimental results on both simulations and real data are presented to demonstrate the robustness and accuracy of the proposed algorithms...
  19. pmc Simultaneous registration and parcellation of bilateral hippocampal surface pairs for local asymmetry quantification
    Nicholas A Lord
    University of Florida, Gainesville, FL 32611, USA
    IEEE Trans Med Imaging 26:471-8. 2007
    ..We present examples using both synthetic data and pairs of left and right hippocampal structures and demonstrate the relevance of the extracted features through a clinical epilepsy classification analysis...
  20. pmc Robust nonrigid multimodal image registration using local frequency maps
    Bing Jian
    Department of Computer and Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    Inf Process Med Imaging 19:504-15. 2005
    ..The proposed non-rigid L2E-based registration is a significant extension of research reported in literature to date. We present experimental results for registering several real data sets with synthetic and real non-rigid misalignments...
  21. ncbi request reprint A constrained variational principle for direct estimation and smoothing of the diffusion tensor field from complex DWI
    Zhizhou Wang
    Department of Computer Information Science and Engineering, University of Florida, Gainesville, FL 32611, USA
    IEEE Trans Med Imaging 23:930-9. 2004
    ..Experiments with complex-valued synthetic and real data are shown to depict the performance of our tensor field estimation and smoothing algorithm...
  22. ncbi request reprint Observation of anomalous diffusion in excised tissue by characterizing the diffusion-time dependence of the MR signal
    Evren Ozarslan
    STBB LIMB NICHD, National Institutes of Health, Bethesda, MD 20892, USA
    J Magn Reson 183:315-23. 2006
    ..Differences observed between healthy human nervous tissue and glioblastoma samples suggest that the proposed methodology may provide a novel, clinically useful form of diffusion MR contrast...
  23. ncbi request reprint Generalized scalar measures for diffusion MRI using trace, variance, and entropy
    Evren Ozarslan
    Department of Physics, University of Florida, P O Box 118440, Gainesville, FL 32611, USA
    Magn Reson Med 53:866-76. 2005
    ..Simulations suggested that a lower-rank tensor model may produce artificially low anisotropy values in voxels with complex structure. This was confirmed with a spin-echo experiment performed on an excised rat brain...
  24. ncbi request reprint Fast orientation mapping from HARDI
    Evren Ozarslan
    Department of Computer and Information Science and Engineering, University of Florida, P O Box 116120, Gainesville, FL 32611, USA
    Med Image Comput Comput Assist Interv 8:156-63. 2005
    ..The developed method will improve the reliability of tractography schemes and make it possible to correctly identify the neural connections between functionally connected regions of the nervous system...
  25. ncbi request reprint Simultaneous registration and segmentation of anatomical structures from brain MRI
    Fei Wang
    Department of Computer and Information Sciences and Engr, University of Florida, Gainesville, FL 32611, USA
    Med Image Comput Comput Assist Interv 8:17-25. 2005
    ..We present examples of performance of our algorithm on synthetic and real data sets along with quantitative accuracy estimates of the registration...
  26. ncbi request reprint Resolution of complex tissue microarchitecture using the diffusion orientation transform (DOT)
    Evren Ozarslan
    Department of Computer and Information Science and Engineering, University of Florida, P O Box 116120, Gainesville, FL 32611, USA
    Neuroimage 31:1086-103. 2006
    ..The developed methods will improve the reliability of tractography schemes and may make it possible to correctly identify the neural connections between functionally connected regions of the nervous system...
  27. pmc Joint registration and segmentation of neuroanatomic structures from brain MRI
    Fei Wang
    Department of Computer and Information Sciences and Engineering, Room No E319, CISE Building, P O Box 116120, University of Florida, Gainesville, FL 32611, USA
    Acad Radiol 13:1104-11. 2006
    ..The goal of our study is to segment these structures with a registration assisted image segmentation technique...

Research Grants13

  1. "CRCNS" Automatic Prediction of the Onset of Epilepsy via Analysis of HARD-MRI
    Baba Vemuri; Fiscal Year: 2009
    ..The proposed research will significantly advance our understanding of limbic system reorganization caused not only by prolonged seizures, but also the effects of recurrent seizures and further hippocampus damage. ..
  2. "CRCNS" Automatic Prediction of the Onset of Epilepsy via Analysis of HARD-MRI
    Baba Vemuri; Fiscal Year: 2007
    ..The proposed research will significantly advance our understanding of limbic system reorganization caused not only by prolonged seizures, but also the effects of recurrent seizures and further hippocampus damage. ..
  3. Hippocampal Shape Recovery & Analysis in Epileptics
    Baba Vemuri; Fiscal Year: 2007
    ..The proposed algorithmic schemes have considerable potential for use in the segmentation and analysis of other anatomical structures and thus have utility for other disease states. ..
  4. Algorithms for Automatic Fiber Tract Mapping in the CNS
    Baba Vemuri; Fiscal Year: 2005
    ..The utility of the method for pathology will then be tested on injured spinal cords and on previously acquired data sets of whole mouse, rat brains and isolated hearts. ..
  5. Automated Assessment of Structural Changes & Functional Recovery Post Spinal Inju
    Baba C Vemuri; Fiscal Year: 2010
    ..Although the various algorithms developed here are for analysis of SCI, they can be used in other applications such as traumatic brain injury, in tracking and predicting developmental changes etc. from diffusion MRI scans. ..