Guobao Wang

Summary

Affiliation: University of California
Country: USA

Publications

  1. pmc Penalized likelihood PET image reconstruction using patch-based edge-preserving regularization
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 31:2194-204. 2012
  2. pmc An optimization transfer algorithm for nonlinear parametric image reconstruction from dynamic PET data
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 31:1977-88. 2012
  3. pmc Acceleration of the direct reconstruction of linear parametric images using nested algorithms
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 55:1505-17. 2010
  4. pmc Three-dimensional fluorescence optical tomography in small-animal imaging using simultaneous positron-emission-tomography priors
    Changqing Li
    Department of Biomedical Engineering, University of California, Davis, Davis, California 95616, USA
    Opt Lett 34:2933-5. 2009
  5. pmc Analysis of penalized likelihood image reconstruction for dynamic PET quantification
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 28:608-20. 2009
  6. pmc Generalized algorithms for direct reconstruction of parametric images from dynamic PET data
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 28:1717-26. 2009
  7. doi request reprint Bayesian image reconstruction for improving detection performance of muon tomography
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616 USA
    IEEE Trans Image Process 18:1080-9. 2009
  8. doi request reprint Maximum a posteriori reconstruction of the Patlak parametric image from sinograms in dynamic PET
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 53:593-604. 2008
  9. pmc Direct estimation of kinetic parametric images for dynamic PET
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616
    Theranostics 3:802-15. 2013

Detail Information

Publications9

  1. pmc Penalized likelihood PET image reconstruction using patch-based edge-preserving regularization
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 31:2194-204. 2012
    ..The reconstruction is also more robust to the hyper-parameter than conventional pixel-based nonquadratic regularizations. The proposed regularization method has been applied to real 3-D PET data...
  2. pmc An optimization transfer algorithm for nonlinear parametric image reconstruction from dynamic PET data
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 31:1977-88. 2012
    ..The convergence rate of the new algorithm is substantially faster than our previous algorithm that is based on a separable paraboloidal surrogate function. The proposed algorithm has been applied to real 4-D PET data...
  3. pmc Acceleration of the direct reconstruction of linear parametric images using nested algorithms
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 55:1505-17. 2010
    ..Computer simulation studies demonstrated that the new algorithms converge much faster than the traditional expectation maximization (EM) and the preconditioned conjugate gradient algorithms for dynamic PET...
  4. pmc Three-dimensional fluorescence optical tomography in small-animal imaging using simultaneous positron-emission-tomography priors
    Changqing Li
    Department of Biomedical Engineering, University of California, Davis, Davis, California 95616, USA
    Opt Lett 34:2933-5. 2009
    ..The method and algorithms are validated with numerical simulations and a phantom experiment performed on a combined optical-PET scanner based on a conical mirror geometry...
  5. pmc Analysis of penalized likelihood image reconstruction for dynamic PET quantification
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 28:608-20. 2009
    ..A practical method has been developed to use the theoretical formulae to guide the selection of the regularization parameter in dynamic PET image reconstruction...
  6. pmc Generalized algorithms for direct reconstruction of parametric images from dynamic PET data
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 28:1717-26. 2009
    ..Computer simulations showed that the proposed direct reconstruction algorithms are flexible and achieve a better bias-variance tradeoff than indirect reconstruction methods...
  7. doi request reprint Bayesian image reconstruction for improving detection performance of muon tomography
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616 USA
    IEEE Trans Image Process 18:1080-9. 2009
    ..Receiver operating characteristic studies using simulated data demonstrate that the Bayesian reconstruction can greatly improve the detection performance of muon tomography...
  8. doi request reprint Maximum a posteriori reconstruction of the Patlak parametric image from sinograms in dynamic PET
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 53:593-604. 2008
    ..Comparisons with the conventional indirect approach show that the proposed method results in a more accurate estimate of the parametric image. The proposed method has been applied to dynamic fully 3D PET data from a microPET scanner...
  9. pmc Direct estimation of kinetic parametric images for dynamic PET
    Guobao Wang
    Department of Biomedical Engineering, University of California, Davis, CA 95616
    Theranostics 3:802-15. 2013
    ..In this paper we review the recent progress in the development of direct reconstruction algorithms for parametric image estimation. Algorithms for linear and nonlinear kinetic models are described and their properties are discussed. ..