Jinyi Qi

Summary

Affiliation: Lawrence Berkeley National Laboratory
Country: USA

Publications

  1. ncbi request reprint A unified noise analysis for iterative image estimation
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    Phys Med Biol 48:3505-19. 2003
  2. ncbi request reprint Analysis of lesion detectability in Bayesian emission reconstruction with nonstationary object variability
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 23:321-9. 2004
  3. ncbi request reprint Propagation of errors from the sensitivity image in list mode reconstruction
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 23:1094-9. 2004
  4. ncbi request reprint Scatter correction for positron emission mammography
    Jinyi Qi
    Center for Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA and
    Phys Med Biol 47:2759-71. 2002
  5. ncbi request reprint Theoretical study of lesion detectability of MAP reconstruction using computer observers
    J Qi
    Center for Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 20:815-22. 2001
  6. ncbi request reprint Theoretical study of penalized-likelihood image reconstruction for region of interest quantification
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 25:640-8. 2006
  7. ncbi request reprint Resolution and noise properties of MAP reconstruction for fully 3-D PET
    J Qi
    Signal and Image Processing Institute, University of Southern California, Los Angeles 90089 2564, USA
    IEEE Trans Med Imaging 19:493-506. 2000
  8. 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
  9. pmc A residual correction method for high-resolution PET reconstruction with application to on-the-fly Monte Carlo based model of positron range
    Lin Fu
    Department of Biomedical Engineering, University of California at Davis, GBSF 2303, Davis, California 95616, USA
    Med Phys 37:704-13. 2010
  10. pmc Initial characterization of a dedicated breast PET/CT scanner during human imaging
    Spencer L Bowen
    Department of Biomedical Engineering, UC Davis, Davis, California, USA
    J Nucl Med 50:1401-8. 2009

Detail Information

Publications60

  1. ncbi request reprint A unified noise analysis for iterative image estimation
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    Phys Med Biol 48:3505-19. 2003
    ..Examples in emission tomography and transmission tomography are shown. The results are validated using Monte Carlo simulations...
  2. ncbi request reprint Analysis of lesion detectability in Bayesian emission reconstruction with nonstationary object variability
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 23:321-9. 2004
    ..The comparisons show good agreement between the theoretical predictions and the Monte Carlo results. We also demonstrate that the lesion detectability can be reliably estimated using one noisy data set...
  3. ncbi request reprint Propagation of errors from the sensitivity image in list mode reconstruction
    Jinyi Qi
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 23:1094-9. 2004
    ..Computer simulations show that the theoretical results are in good agreement with the measured results...
  4. ncbi request reprint Scatter correction for positron emission mammography
    Jinyi Qi
    Center for Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA and
    Phys Med Biol 47:2759-71. 2002
    ..The analysis is also applicable to other scatter estimation methods, provided that the covariance of the estimated scatter sinogram is available...
  5. ncbi request reprint Theoretical study of lesion detectability of MAP reconstruction using computer observers
    J Qi
    Center for Functional Imaging, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    IEEE Trans Med Imaging 20:815-22. 2001
    ..For realistic systems, MAP reconstruction further benefits from accurately modeling the physical photon detection process in PET...
  6. ncbi request reprint Theoretical study of penalized-likelihood image reconstruction for region of interest quantification
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 25:640-8. 2006
    ..Computer simulations are conducted for small ROIs with variable uniform uptake. The results show that the theoretical predictions match the Monte Carlo results reasonably well...
  7. ncbi request reprint Resolution and noise properties of MAP reconstruction for fully 3-D PET
    J Qi
    Signal and Image Processing Institute, University of Southern California, Los Angeles 90089 2564, USA
    IEEE Trans Med Imaging 19:493-506. 2000
    ..We also describe how these analytical results can be used to achieve near-uniform contrast recovery throughout the reconstructed volume...
  8. 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...
  9. pmc A residual correction method for high-resolution PET reconstruction with application to on-the-fly Monte Carlo based model of positron range
    Lin Fu
    Department of Biomedical Engineering, University of California at Davis, GBSF 2303, Davis, California 95616, USA
    Med Phys 37:704-13. 2010
    ..In this work the authors present a maximum a posteriori reconstruction algorithm with residual correction to alleviate the tradeoff between the model accuracy and the computation efficiency in image reconstruction...
  10. pmc Initial characterization of a dedicated breast PET/CT scanner during human imaging
    Spencer L Bowen
    Department of Biomedical Engineering, UC Davis, Davis, California, USA
    J Nucl Med 50:1401-8. 2009
    ..We have constructed a dedicated breast PET/CT scanner capable of high-resolution functional and anatomic imaging. Here, we present an initial characterization of scanner performance during patient imaging...
  11. pmc Tapered LSO arrays for small animal PET
    Yongfeng Yang
    Department of Biomedical Engineering, University of California Davis, One Shields Avenue, CA 95616, USA
    Phys Med Biol 56:139-53. 2011
    ..Tapered scintillator arrays offer the prospect of improvements in sensitivity and sampling for small-bore scanners, without large increases in manufacturing complexity...
  12. pmc Simulation study of spatial resolution and sensitivity for the tapered depth of interaction PET detectors for small animal imaging
    Sara St James
    Department of Biomedical Engineering, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
    Phys Med Biol 55:N63-74. 2010
    ..Detectors employing the tapered crystal design along with excellent DOI resolution will lead to PET scanners with higher sensitivity and uniform spatial resolution across the field of view...
  13. ncbi request reprint Penalized maximum-likelihood image reconstruction for lesion detection
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 51:4017-29. 2006
    ..Therefore, it is feasible to use the penalty function designed for small lesions in image reconstruction, because detection of large lesions is relatively easy...
  14. pmc Depth of interaction calibration for PET detectors with dual-ended readout by PSAPDs
    Yongfeng Yang
    Department of Biomedical Engineering, University of California Davis, One Shields Avenue, CA 95616, USA
    Phys Med Biol 54:433-45. 2009
    ..A linear crystal DOI calibration provided slightly better image spatial resolution compared with a linear detector DOI calibration...
  15. ncbi request reprint Iterative reconstruction techniques in emission computed tomography
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 51:R541-78. 2006
    ..We then describe the numerical algorithms that are used for optimizing these functions and illustrate their behaviour using small scale simulations...
  16. pmc PET characteristics of a dedicated breast PET/CT scanner prototype
    Yibao Wu
    Department of Biomedical Engineering, University of California, Davis, Genome and Biomedical Sciences, CA, USA
    Phys Med Biol 54:4273-87. 2009
    ..7% and 2.8%, respectively. The impact of the increased reconstructed spatial resolution compared to typical whole-body PET scanners is currently being assessed in a clinical trial...
  17. ncbi request reprint High-resolution adaptive PET imaging
    Jian Zhou
    Department of Biomedical Engineering, University of California Davis, California, USA
    Inf Process Med Imaging 21:26-37. 2009
    ..It will also be useful for the high-resolution brain imaging in rodents. In this paper, we present the theoretical analysis and Monte Carlo simulation studies of the performance of the proposed system...
  18. doi request reprint Experimental assessment of resolution improvement of a zoom-in PET
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 56:N165-74. 2011
    ..Profiles taken through the reconstructed point sources show substantial reduction in full-width-at-half-maximum along the direction parallel to the face of the high-resolution detector...
  19. doi request reprint Theoretical analysis and simulation study of a high-resolution zoom-in PET system
    Jian Zhou
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 54:5193-208. 2009
    ..We show that the proposed PET system offers better performance in terms of resolution-noise tradeoff and lesion detectability. The results are validated using computer simulations...
  20. 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...
  21. ncbi request reprint Maximum-likelihood estimation of detector response for PET image reconstruction
    Jinyi Qi
    Dept of Biomed Eng, California Univ, Davis, CA 95616, USA
    Conf Proc IEEE Eng Med Biol Soc 1:2530-3. 2006
    ..We conducted computer simulation to demonstrate the feasibility of the proposed method...
  22. 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...
  23. pmc Adaptive imaging for lesion detection using a zoom-in PET system
    Jian Zhou
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    IEEE Trans Med Imaging 30:119-30. 2011
    ....
  24. pmc Iterative reconstruction of Fourier-rebinned PET data using sinogram blurring function estimated from point source scans
    Michel S Tohme
    Department of Biomedical Engineering, University of California, Davis, California 95616, USA
    Med Phys 37:5530-40. 2010
    ..The purpose of this work is to develop a method to estimate the sinogram blurring function to be used in reconstruction of Fourier-rebinned data...
  25. pmc A prototype PET scanner with DOI-encoding detectors
    Yongfeng Yang
    Department of Biomedical Engineering, University of California Davis, Davis, California 95616, USA
    J Nucl Med 49:1132-40. 2008
    ..Detectors with depth-encoding allow a PET scanner to simultaneously achieve high sensitivity and high spatial resolution...
  26. ncbi request reprint Theoretical evaluation of the detectability of random lesions in Bayesian emission reconstruction
    Jinyi Qi
    Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
    Inf Process Med Imaging 18:354-65. 2003
    ..The theoretical results are validated using Monte Carlo simulations. The comparisons show good agreement between the theoretical predications and the Monte Carlo results...
  27. pmc Effect of errors in the system matrix on maximum a posteriori image reconstruction
    Jinyi Qi
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 50:3297-312. 2005
    ..The theoretical expression is used to determine the required minimum accuracy of the system matrix in emission tomography. Computer simulations show that the theoretical results work reasonably well in low-noise situations...
  28. 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...
  29. 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...
  30. ncbi request reprint An approximate short scan helical FDK cone beam algorithm based on nutating curved surfaces satisfying the Tuy's condition
    Jicun Hu
    Department of Nuclear Medicine and Functional Imaging, Lawrence Berkeley National Laboratory, University of California, Berkeley, California 94720, USA
    Med Phys 32:1529-36. 2005
    ..We compare the performance of the improved FDK algorithm with that of a quasi-exact algorithm based on data combination technique. The simulation results show that the reconstructed image quality of these two methods is similar...
  31. pmc Simultaneous in vivo positron emission tomography and magnetic resonance imaging
    Ciprian Catana
    Department of Biomedical Engineering, University of California, Genome and Biomedical Sciences Facility, 451 East Health Sciences Drive, Davis, CA 95616, USA
    Proc Natl Acad Sci U S A 105:3705-10. 2008
    ..In vivo simultaneous PET and MRI studies were performed in mice. Proof-of-principle in vivo MR spectroscopy and functional MRI experiments were also demonstrated with the combined scanner...
  32. ncbi request reprint Accurate estimation of the Fisher information matrix for the PET image reconstruction problem
    Quanzheng Li
    Signal and Image Processing Institute, Univ of Southern California, Los Angeles, CA 90089, USA
    IEEE Trans Med Imaging 23:1057-64. 2004
    ..As an application, the new GELT method is used to improve resolution uniformity and achieve near-uniform image resolution in low count situations...
  33. ncbi request reprint Fabrication and characterization of a 0.5-mm lutetium oxyorthosilicate detector array for high-resolution PET applications
    Jennifer R Stickel
    Department of Radiology, School of Medicine, University of California Davis Medical Center, Davis, California 95817, USA
    J Nucl Med 48:115-21. 2007
    ..Though there are other contributing factors, the spatial resolution in small-animal PET is still largely determined by the detector pixel dimensions...
  34. 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...
  35. pmc Iterative image reconstruction for positron emission tomography based on a detector response function estimated from point source measurements
    Michel S Tohme
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 54:3709-25. 2009
    ..The reconstruction time is unaffected by the new method since the blurring component takes a relatively small part of the overall reconstruction time. The proposed method can be applied to other PET scanners for human and animal imaging...
  36. doi request reprint A Prototype High-Resolution Small-Animal PET Scanner Dedicated to Mouse Brain Imaging
    Yongfeng Yang
    Department of Biomedical Engineering, University of California Davis, Davis, California Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
    J Nucl Med 57:1130-5. 2016
    ..We developed a prototype small-animal PET scanner based on depth-encoding detectors using dual-ended readout of small scintillator elements to produce high and uniform spatial resolution suitable for imaging the mouse brain...
  37. 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...
  38. pmc An imaging-driven model for liposomal stability and circulation
    Shengping Qin
    Department of Biomedical Engineering, University of California, 451 East Health Sciences Drive, Davis, California 95616, USA
    Mol Pharm 7:12-21. 2010
    ..Finally, we develop a transport constant for the transport of liposomes from the blood pool to the tumor interstitium, which is on the order of 0.01 h(-1) for the Met-1 tumor system...
  39. ncbi request reprint List-mode maximum-likelihood reconstruction applied to positron emission mammography (PEM) with irregular sampling
    R H Huesman
    Center for Functional Imaging, Lawrence Berkeley National Laboratory, University of California, Berkeley 94720, USA
    IEEE Trans Med Imaging 19:532-7. 2000
    ..Spherical tumors of 4-mm diameter are near the limit of detectability with the image acquisition parameters used. Expressions are presented to estimate the loss of image contrast due to Compton scattering...
  40. 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...
  41. pmc PET image reconstruction with anatomical edge guided level set prior
    Jinxiu Cheng-Liao
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 56:6899-918. 2011
    ..Compared with existing methods, the new method achieved better bias-variance performance. The proposed method was also applied to real mouse data and achieved higher contrast than other methods...
  42. ncbi request reprint Simultaneous acquisition of multislice PET and MR images: initial results with a MR-compatible PET scanner
    Ciprian Catana
    Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
    J Nucl Med 47:1968-76. 2006
    ..We have designed and built a MR-compatible PET scanner based on avalanche photodiode technology that allows simultaneous acquisition of PET and MR images in small animals...
  43. pmc Detection performance analysis for time-of-flight PET
    Nannan Cao
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 55:6931-50. 2010
    ..With the same variance, the SNR gain reaches the minimum when the width of the Gaussian lumps is close to the size of the tumor...
  44. ncbi request reprint A theoretical study of the contrast recovery and variance of MAP reconstructions from PET data
    J Qi
    Signal and Image Processing Institute, University of Southern California, Los Angeles 90089 2564, USA
    IEEE Trans Med Imaging 18:293-305. 1999
    ..Using these results we propose a practical scheme for selecting spatially variant smoothing parameters to optimize lesion detectability through maximization of the local CRC-to-noise ratio in the reconstructed image...
  45. pmc Performance of the Tachyon Time-of-Flight PET Camera
    Q Peng
    Structural Biology and Imaging Department, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
    IEEE Trans Nucl Sci 62:111-119. 2015
    ..The results show that at a matched contrast, incorporating 314 ps TOF reduces the standard deviation of the contrast by a factor of about 2.3...
  46. pmc Anatomically-aided PET reconstruction using the kernel method
    Will Hutchcroft
    Department of Biomedical Engineering, University of California Davis, Davis, CA, USA
    Phys Med Biol 61:6668-6683. 2016
    ..Additionally the kernel method is applied to a 3D patient data set. The kernel method results in reduced noise at a matched contrast level compared with the conventional ML expectation maximization algorithm...
  47. pmc Efficient system modeling for a small animal PET scanner with tapered DOI detectors
    Mengxi Zhang
    Department of Biomedical Engineering, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
    Phys Med Biol 61:461-74. 2016
    ..The proposed method can be also applied to other PET scanners with DOI measurement. ..
  48. doi request reprint Validation of the SimSET simulation package for modeling the Siemens Biograph mCT PET scanner
    Jonathan K Poon
    Department of Biomedical Engineering, University of California Davis, One Shields Avenue, Davis, CA 95616, USA
    Phys Med Biol 60:N35-45. 2015
    ..The new block detector model in SimSET offers a fast and reasonably accurate simulation toolkit for PET imaging applications. ..
  49. pmc Regularization design in penalized maximum-likelihood image reconstruction for lesion detection in 3D PET
    Li Yang
    Department of Biomedical Engineering, University of California, Davis, CA, USA
    Phys Med Biol 59:403-19. 2014
    ..Both the numerical observer and human observer results showed a statistically significant improvement in lesion detection by using the proposed penalty function compared to using the conventional penalty function...
  50. pmc Dynamic imaging of arginine-rich heart-targeted vehicles in a mouse model
    Hua Zhang
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Biomaterials 29:1976-88. 2008
    ..The rapid and efficient targeting of these particles can be exploited in drug and gene delivery systems and with dynamic positron emission tomography provides a model system to optimize targeting of engineered particles...
  51. pmc Fast and efficient fully 3D PET image reconstruction using sparse system matrix factorization with GPU acceleration
    Jian Zhou
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 56:6739-57. 2011
    ..Our experimental studies show that the proposed method can dramatically reduce the computation cost of high-resolution iterative image reconstruction, while achieving better performance than existing factorization methods...
  52. ncbi request reprint Internet2-based 3D PET image reconstruction using a PC cluster
    D W Shattuck
    Signal and Image Processing Institute, University of Southern California, Los Angeles, CA 90089, USA
    Phys Med Biol 47:2785-95. 2002
    ..We report on the speed-up factors using the Beowulf approach and the impacts of communication latencies in the local cluster network and the network connection between the user's machine and our PC cluster...
  53. pmc Designing a compact high performance brain PET scanner-simulation study
    Kuang Gong
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 61:3681-97. 2016
    ..The simulations also suggest that improving TOF timing resolution from 400 ps to 200 ps also results in noticeable improvement in image quality, indicating better timing resolution is desirable for brain imaging. ..
  54. pmc On the assessment of spatial resolution of PET systems with iterative image reconstruction
    Kuang Gong
    Department of Biomedical Engineering, University of California, Davis, CA, USA
    Phys Med Biol 61:N193-202. 2016
    ..Therefore, when measuring system resolution with an iterative reconstruction algorithm, we recommend using a low-contrast point source and a fixed number of iterations. ..
  55. pmc Efficient fully 3D list-mode TOF PET image reconstruction using a factorized system matrix with an image domain resolution model
    Jian Zhou
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 59:541-59. 2014
    ..We verify our observations using the provided theoretical analysis. The result offers a general guide to achieve the optimal reconstruction performance based on a sparse factorization model with an image domain resolution model. ..
  56. 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. ..
  57. pmc A novel method for fast and robust estimation of fluorescence decay dynamics using constrained least-squares deconvolution with Laguerre expansion
    Jing Liu
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 57:843-65. 2012
    ....
  58. ncbi request reprint Rapamycin inhibits growth of premalignant and malignant mammary lesions in a mouse model of ductal carcinoma in situ
    Ruria Namba
    Department of Pathology and Laboratory Medicine, School of Medicine, University of California, Davis, Sacramento, CA 95817, USA
    Clin Cancer Res 12:2613-21. 2006
    ..Both of these models were derived from mammary lesions in Tg(MMTV-PyV-mT) mice...
  59. pmc Segmentation of mouse dynamic PET images using a multiphase level set method
    Jinxiu Cheng-Liao
    Department of Biomedical Engineering, University of California, Davis, CA 95616, USA
    Phys Med Biol 55:6549-69. 2010
    ..The results show that the proposed method results in smoother segments with the less number of misclassified voxels...
  60. ncbi request reprint Spatiotemporal reconstruction of list-mode PET data
    Thomas E Nichols
    Department of Biostatistics, University of Michigan, Ann Arbor 48109, USA
    IEEE Trans Med Imaging 21:396-404. 2002
    ..A quantitative evaluation was performed using simulated data and the method is also demonstrated in a human study using 11C-raclopride...