Guorong Wu

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. ncbi request reprint Estimating the 4D respiratory lung motion by spatiotemporal registration and super-resolution image reconstruction
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
    Med Phys 40:031710. 2013
  2. pmc Improving image-guided radiation therapy of lung cancer by reconstructing 4D-CT from a single free-breathing 3D-CT on the treatment day
    Guorong Wu
    Department of Radiology, University of North Carolina, Chapel Hill, NC, USA
    Med Phys 39:7694-709. 2012
  3. pmc Hierarchical attribute-guided symmetric diffeomorphic registration for MR brain images
    Guorong Wu
    Department of Radioloy and BRIC, Univerity of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 15:90-7. 2012
  4. pmc Reconstruction of 4D-CT from a single free-breathing 3D-CT by spatial-temporal image registration
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Inf Process Med Imaging 22:686-98. 2011
  5. pmc SharpMean: groupwise registration guided by sharp mean image and tree-based registration
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Neuroimage 56:1968-81. 2011
  6. pmc Registration of longitudinal brain image sequences with implicit template and spatial-temporal heuristics
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 59:404-21. 2012
  7. pmc Groupwise registration by hierarchical anatomical correspondence detection
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:684-91. 2010
  8. pmc Estimating the 4D respiratory lung motion by spatiotemporal registration and building super-resolution image
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 14:532-9. 2011
  9. pmc Groupwise registration with sharp mean
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:570-7. 2010
  10. pmc Registration of longitudinal image sequences with implicit template and spatial-temporal heuristics
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:618-25. 2010

Detail Information

Publications49

  1. ncbi request reprint Estimating the 4D respiratory lung motion by spatiotemporal registration and super-resolution image reconstruction
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
    Med Phys 40:031710. 2013
    ..To address these challenges, the authors present a unified approach to estimate the respiratory lung motion with two iterative steps...
  2. pmc Improving image-guided radiation therapy of lung cancer by reconstructing 4D-CT from a single free-breathing 3D-CT on the treatment day
    Guorong Wu
    Department of Radiology, University of North Carolina, Chapel Hill, NC, USA
    Med Phys 39:7694-709. 2012
    ..In order to solve this problem, our main idea is to reconstruct the 4D-CT (with full range of tumor motion) from a single free-breathing 3D-CT acquired on the treatment day...
  3. pmc Hierarchical attribute-guided symmetric diffeomorphic registration for MR brain images
    Guorong Wu
    Department of Radioloy and BRIC, Univerity of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 15:90-7. 2012
    ..In all experiments, our registration method achieves the best registration performance, compared to all other state-of-the-art registration methods...
  4. pmc Reconstruction of 4D-CT from a single free-breathing 3D-CT by spatial-temporal image registration
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Inf Process Med Imaging 22:686-98. 2011
    ..Also, we have validated our proposed 4D-CT reconstruction algorithm on the simulated free-breathing data, obtaining very promising 4D-CT reconstruction results...
  5. pmc SharpMean: groupwise registration guided by sharp mean image and tree-based registration
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Neuroimage 56:1968-81. 2011
    ..Our method has been evaluated in both real and simulated datasets. In all experiments, our method outperforms the conventional algorithm which generally produces a fuzzy group mean image throughout the entire groupwise registration...
  6. pmc Registration of longitudinal brain image sequences with implicit template and spatial-temporal heuristics
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 59:404-21. 2012
    ..e., hippocampus volume changes, showing better performance than those obtained by either the pairwise or the groupwise only registration methods...
  7. pmc Groupwise registration by hierarchical anatomical correspondence detection
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:684-91. 2010
    ..In all experiments, our algorithm achieves more robust and accurate registration results, compared to a groupwise registration method and a pairwise registration method, respectively...
  8. pmc Estimating the 4D respiratory lung motion by spatiotemporal registration and building super-resolution image
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 14:532-9. 2011
    ..In all experiments, our method achieves more accurate and consistent results in lung motion estimation than all other state-of-the-art approaches...
  9. pmc Groupwise registration with sharp mean
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:570-7. 2010
    ....
  10. pmc Registration of longitudinal image sequences with implicit template and spatial-temporal heuristics
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:618-25. 2010
    ..Promising results are obtained to quantitatively measure the longitudinal changes of hippocampus volume, indicating better performance of our method than the conventional pairwise methods...
  11. ncbi request reprint Attribute vector guided groupwise registration
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 12:656-63. 2009
    ..Experimental results indicate that our method yields better registration quality, compared with a popular groupwise registration method...
  12. ncbi request reprint Minimizing joint risk of mislabeling for iterative Patch-based label fusion
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 16:551-8. 2013
    ..To demonstrate the performance of our proposed method, we have evaluated it on both whole brain parcellation and hippocampus segmentation, and achieved promising labeling results, compared with the state-of-the-art methods...
  13. pmc Fast tensor image morphing for elastic registration
    Pew Thian Yap
    Department of Radiology, University of North Carolina at Chapel Hill, NC, USA
    Med Image Comput Comput Assist Interv 12:721-9. 2009
    ..Results indicate that better accuracy can be achieved by F-TIMER, compared with other deformable registration algorithms, with significantly reduced computation time cost of 4-14 folds...
  14. pmc Unsupervised deep feature learning for deformable registration of MR brain images
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 16:649-56. 2013
    ....
  15. pmc A generalized learning based framework for fast brain image registration
    Minjeong Kim
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 13:306-14. 2010
    ....
  16. pmc ABSORB: Atlas Building by Self-organized Registration and Bundling
    Hongjun Jia
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 51:1057-70. 2010
    ....
  17. pmc Directed graph based image registration
    Hongjun Jia
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Comput Med Imaging Graph 36:139-51. 2012
    ..It is shown that our method can achieve more accurate registration results than both the undirected graph based solution and the direct pairwise registration...
  18. pmc A novel framework for longitudinal atlas construction with groupwise registration of subject image sequences
    Shu Liao
    IDEA Lab, Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
    Neuroimage 59:1275-89. 2012
    ..Experimental results demonstrate that the proposed method consistently achieves higher registration accuracies and more consistent spatial-temporal correspondences than the compared method on both databases...
  19. pmc Groupwise registration based on hierarchical image clustering and atlas synthesis
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, USA
    Hum Brain Mapp 31:1128-40. 2010
    ..We have evaluated our framework using real and simulated data, and the results indicate that our framework achieves better robustness and registration accuracy compared to conventional methods...
  20. ncbi request reprint Atlas construction via dictionary learning and group sparsity
    Feng Shi
    IDEA Lab, University of North Carolina at Chapel Hill, NC, USA
    Med Image Comput Comput Assist Interv 15:247-55. 2012
    ....
  21. ncbi request reprint RABBIT: rapid alignment of brains by building intermediate templates
    Songyuan Tang
    Department of Radiology, University of North Carolina, Chapel Hill, NC 27510, USA
    Neuroimage 47:1277-87. 2009
    ..Compared with HAMMER, the experimental results demonstrate that the proposed algorithm can achieve over five times speedup, with similar registration accuracy and statistical power in detecting brain atrophy...
  22. pmc A general fast registration framework by learning deformation-appearance correlation
    Minjeong Kim
    Department of Radiology, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    IEEE Trans Image Process 21:1823-33. 2012
    ....
  23. pmc A novel longitudinal atlas construction framework by groupwise registration of subject image sequences
    Shu Liao
    Department of Radiology, Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, USA
    Inf Process Med Imaging 22:283-95. 2011
    ..Experimental results show that the proposed method achieves more consistent spatial-temporal correspondence as well as higher registration accuracy than the compared method...
  24. ncbi request reprint F-TIMER: fast tensor image morphing for elastic registration
    Pew Thian Yap
    Department of Radiology and Biomedical Research Imaging Center BRIC, University of North Carolina, Chapel Hill, NC 27599, USA
    IEEE Trans Med Imaging 29:1192-203. 2010
    ..Compared with its predecessor TIMER, which has been shown to outperform state-of-the-art algorithms, experimental results indicate that F-TIMER is capable of achieving comparable accuracy at only a fraction of the computation cost...
  25. ncbi request reprint Resolution enhancement of lung 4D-CT via group-sparsity
    Arnav Bhavsar
    Department of Radiology and BRIC, University of North Carolina, Chapel Hill, North Carolina 27599
    Med Phys 40:121717. 2013
    ..To address this limitation, the authors propose an approach to reconstruct missing intermediate slices, so as to improve the superior-inferior resolution...
  26. ncbi request reprint Neonatal atlas construction using sparse representation
    Feng Shi
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, North Carolina
    Hum Brain Mapp 35:4663-77. 2014
    ..Hum Brain Mapp 35:4663-4677, 2014. © 2014 Wiley Periodicals, Inc. ..
  27. ncbi request reprint Application of neuroanatomical features to tractography clustering
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, NC 27599, USA
    Hum Brain Mapp 34:2089-102. 2013
    ..Experimental results indicate that our method results in anatomically meaningful bundles that are highly consistent across subjects...
  28. doi request reprint iBEAT: A toolbox for infant brain magnetic resonance image processing
    Yakang Dai
    IDEA Lab, Department of Radiology and BRIC, University of North Carolina at Chapel Hill, MRI Building, CB 7513, 130 Mason Farm Road, Chapel Hill, NC 27599, USA
    Neuroinformatics 11:211-25. 2013
    ..The performance of iBEAT has been comprehensively evaluated with hundreds of infant brain images. A Linux-based standalone package of iBEAT is freely available at http://www.nitrc.org/projects/ibeat ...
  29. pmc aBEAT: a toolbox for consistent analysis of longitudinal adult brain MRI
    Yakang Dai
    IDEA Lab, Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    PLoS ONE 8:e60344. 2013
    ..A Linux-based standalone package of aBEAT is now freely available at http://www.nitrc.org/projects/abeat...
  30. doi request reprint A statistical framework for inter-group image registration
    Shu Liao
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    Neuroinformatics 10:367-78. 2012
    ..Experimental results show that the proposed method consistently achieves higher registration accuracy than the method under comparison...
  31. pmc TPS-HAMMER: improving HAMMER registration algorithm by soft correspondence matching and thin-plate splines based deformation interpolation
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 49:2225-33. 2010
    ..The results show that TPS-HAMMER yields significant improvement in both accuracy and speed, indicating high applicability for the clinical scenario...
  32. ncbi request reprint Fiber modeling and clustering based on neuroanatomical features
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 14:17-24. 2011
    ..Experimental results indicate that the proposed method groups the fibers into anatomically meaningful bundles, which are highly consistent across subjects...
  33. ncbi request reprint Confidence-guided sequential label fusion for multi-atlas based segmentation
    Daoqiang Zhang
    Dept of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599
    Med Image Comput Comput Assist Interv 14:643-50. 2011
    ..e., majority voting and local weighted voting. Experimental results show that our sequential label fusion method can consistently improve the performance of both algorithms in terms of segmentation/labeling accuracy...
  34. ncbi request reprint Harnessing group-sparsity regularization for resolution enhancement of lung 4D-CT
    Arnav Bhavsar
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 16:139-46. 2013
    ..Our results positively demonstrate the potential of group-sparsity for 4D-CT resolution enhancement...
  35. pmc Hierarchical alignment of breast DCE-MR images by groupwise registration and robust feature matching
    Minjeong Kim
    Department of Radiology and BRIC, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    Med Phys 39:353-66. 2012
    ..In this paper, the authors present a novel hierarchical registration framework to address this problem...
  36. pmc TIMER: tensor image morphing for elastic registration
    Pew Thian Yap
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
    Neuroimage 47:549-63. 2009
    ..Experiments involving real subjects, simulated subjects, fiber tracking, and atrophy detection indicate that TIMER performs better than the other methods (Yang et al., 2008; Zhang et al., 2006)...
  37. pmc Attribute vector guided groupwise registration
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 50:1485-96. 2010
    ..The experimental results demonstrate that our method yields better registration accuracy, compared with a popular groupwise registration method...
  38. pmc Intermediate templates guided groupwise registration of diffusion tensor images
    Hongjun Jia
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 54:928-39. 2011
    ....
  39. ncbi request reprint Hierarchical unbiased graph shrinkage (HUGS): a novel groupwise registration for large data set
    Shihui Ying
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA Department of Mathematics, School of Science, Shanghai University, Shanghai 200444, PR China Electronic address
    Neuroimage 84:626-38. 2014
    ..All experimental results show that our proposed method can achieve better performance in terms of registration accuracy and robustness. ..
  40. pmc A generative probability model of joint label fusion for multi-atlas based brain segmentation
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, USA
    Med Image Anal 18:881-90. 2014
    ..Promising labeling results have been achieved with comparison to the conventional patch-based labeling method, indicating the potential application of the proposed method in the future clinical studies. ..
  41. doi request reprint Resolution enhancement of lung 4D-CT data using multiscale interphase iterative nonlocal means
    Yu Zhang
    School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China
    Med Phys 40:051916. 2013
    ..In this paper, the authors propose a novel postprocessing algorithm to enhance the resolution of lung 4D-CT data...
  42. pmc Infant brain atlases from neonates to 1- and 2-year-olds
    Feng Shi
    IDEA Lab, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
    PLoS ONE 6:e18746. 2011
    ..The reason may be largely due to the dramatic early brain development, image processing difficulties, and the need of a large sample size...
  43. pmc Consistent reconstruction of cortical surfaces from longitudinal brain MR images
    Gang Li
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC, USA
    Neuroimage 59:3805-20. 2012
    ..Meanwhile, the longitudinal cortical thickness also shows its potential in distinguishing different clinical groups...
  44. doi request reprint Feature-based groupwise registration by hierarchical anatomical correspondence detection
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, North Carolina 27599, USA
    Hum Brain Mapp 33:253-71. 2012
    ..In all experiments, our algorithm achieves more robust and accurate registration results, compared with another groupwise algorithm and a pairwise registration method...
  45. ncbi request reprint Diffusion tensor image registration with combined tract and tensor features
    Qian Wang
    Department of Computer Science, University of North Carolina at Chapel Hill, USA
    Med Image Comput Comput Assist Interv 14:200-8. 2011
    ..Experimental results indicate that this framework yields marked improvement over DT image registration using volumetric information alone...
  46. pmc Diffusion tensor image registration using hybrid connectivity and tensor features
    Qian Wang
    Med X Research Institute, Shanghai Jiao Tong University, Shanghai Department of Radiology and BRIC, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina Department of Computer Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
    Hum Brain Mapp 35:3529-46. 2014
    ..Experimental results show that, by using connectivity features and tensor features simultaneously, registration accuracy is increased substantially compared with the cases using either type of features alone...
  47. pmc S-HAMMER: Hierarchical attribute-guided, symmetric diffeomorphic registration for MR brain images
    Guorong Wu
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, North Carolina
    Hum Brain Mapp 35:1044-60. 2014
    ..Hum Brain Mapp 35:1044-1060, 2014. © 2013 Wiley Periodicals, Inc. ..
  48. pmc Automatic hippocampus segmentation of 7.0 Tesla MR images by combining multiple atlases and auto-context models
    Minjeong Kim
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neuroimage 83:335-45. 2013
    ..0 T images with the voxel size of 0.35×0.35×0.35 mm3 show very promising hippocampus segmentations (in terms of Dice overlap ratio 89.1±0.020), indicating high applicability for the future clinical and neuroscience studies...
  49. pmc Discriminant analysis of longitudinal cortical thickness changes in Alzheimer's disease using dynamic and network features
    Yang Li
    Department of Radiology and BRIC, University of North Carolina at Chapel Hill, NC 27599, USA
    Neurobiol Aging 33:427.e15-30. 2012
    ..Although the smell identification test is not performed in ADNI, this finding is consistent with other AD-related olfactory studies...