Affiliation: Stanford University
- Self-navigated interleaved spiral (SNAILS): application to high-resolution diffusion tensor imagingChunlei Liu
Lucas MRS I Center, Department of Radiology, Stanford University, California 94305 5488, USA
Magn Reson Med 52:1388-96. 2004..To our knowledge, this was also the first time in vivo 512 x 512 DTI results were reported...
- Parallel imaging reconstruction for arbitrary trajectories using k-space sparse matrices (kSPA)Chunlei Liu
Lucas Center for MR Spectroscopy and Imaging, Department of Radiology, Stanford University, Stanford, California, USA
Magn Reson Med 58:1171-81. 2007..The kSPA algorithm is noniterative and the computed sparse approximate inverse can be applied repetitively to reconstruct all subsequent images. This algorithm, therefore, is particularly suitable for the aforementioned applications...
- Single-step nonlinear diffusion tensor estimation in the presence of microscopic and macroscopic motionMurat Aksoy
Lucas Center, Department of Radiology, Stanford University, 1201 Welch Road, Stanford, CA 94305, USA
Magn Reson Med 59:1138-50. 2008..Applications to both phantom simulations and in vivo studies showed that in the case of gross motion the proposed algorithm performs superiorly compared to conventional methods used for tensor estimation...
- Augmented generalized SENSE reconstruction to correct for rigid body motionRoland Bammer
Lucas Center, Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
Magn Reson Med 57:90-102. 2007..Conventional spiral scans and scans corrected with proposed techniques are shown, and the results illustrate the capacity of this new correction approach...
- Limitations of apparent diffusion coefficient-based models in characterizing non-gaussian diffusionChunlei Liu
Lucas MRS I Center, Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
Magn Reson Med 54:419-28. 2005..The issue of imaging asymmetric microstructures is also investigated. Signal phase and spin exchange are necessary to resolve multiple orientations of an asymmetric structure...
- Simultaneous phase correction and SENSE reconstruction for navigated multi-shot DWI with non-cartesian k-space samplingChunlei Liu
Lucas MRS I Center, Department of Radiology, Stanford University, Stanford, CA 94305 5488, USA
Magn Reson Med 54:1412-22. 2005..Effective phase correction and multi-shot SENSE DWI (R = 1 to 3) are demonstrated on both simulated and in vivo data acquired with PROPELLER and SNAILS...
- Parallel spectroscopic imaging reconstruction with arbitrary trajectories using k-space sparse matricesMeng Gu
Lucas Center for MR Spectroscopy and Imaging, Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
Magn Reson Med 61:267-72. 2009..The results are demonstrated in both phantom and in vivo studies. Spectroscopic images very similar to that reconstructed with fully sampled spiral k-space data are obtained at different reduction factors...
- Sliding-window sensitivity encoding (SENSE) calibration for reducing noise in functional MRI (fMRI)Christine S Law
Department of Radiology, Center for Advanced MR Technology at Stanford, Stanford University School of Medicine, Stanford, California 94305 5488, USA
Magn Reson Med 60:1090-103. 2008..With small voxel size, our technique reveals activation from visual stimulation where conventional sensitivity calculation techniques falter. Our technique enhances fMRI detection, especially when higher spatial resolution is desired...
- Foundations of advanced magnetic resonance imagingRoland Bammer
Lucas MRS I Center, Department of Radiology, Stanford University, California, USA
NeuroRx 2:167-96. 2005..This article provides an overview of the most common advanced MRI methods including diffusion MRI, perfusion MRI, functional MRI, and the strengths and weaknesses of MRI at high magnetic field strengths...
- Advances in magnetic resonance neuroimagingMichael E Moseley
Radiological Sciences Laboratory, Lucas MRS Center, Department of Radiology, Stanford University Medical Center, 1201 Welch Road, Stanford, CA 94305, USA
Neurol Clin 27:1-19, xiii. 2009....
- Parallel reconstruction using null operationsJian Zhang
Department of Electrical Engineering, Stanford University, Stanford, California, USA
Magn Reson Med 66:1241-53. 2011..For example, we have done successful PRUNO reconstruction at a reduction factor of 6 (effective factor of 4.44) with eight coils and only a few autocalibration signal lines...
- Characterizing non-Gaussian diffusion by using generalized diffusion tensorsChunlei Liu
Department of Radiology, Stanford University, Stanford, California 94305 5488, USA
Magn Reson Med 51:924-37. 2004..The HOT method helps illuminate some of the restrictions that are characteristic of these other methods. Furthermore, a direct relationship between HOT and q-space is also established...
- Prefrontal plasticity and stress inoculation-induced resilienceMaor Katz
Department of Psychiatry, Stanford University, Stanford, Calif, USA
Dev Neurosci 31:293-9. 2009..These findings suggest that the process of coping with early life stress increases prefrontal myelination and expands a region of cortex that broadly controls arousal regulation and resilience...
- Correlation of apparent diffusion coefficient and fractional anisotropy values in the developing infant brainJames M Provenzale
Department of Radiology, Duke University Medical Center, Box 3808, Durham, NC 27710, USA
AJR Am J Roentgenol 195:W456-62. 2010..The purpose of our study was to correlate decrease in apparent diffusion coefficient (ADC) and increase in fractional anisotropy (FA) in various white matter (WM) regions using diffusion tenor imaging (DTI) within the first year of life...
- MMDB: Entrez's 3D-structure databaseJie Chen
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
Nucleic Acids Res 31:474-7. 2003..MMDB is available at: http://www.ncbi.nlm.nih.gov/Entrez/structure.html...
- High Resolution Diffusion-Weighted Magnetic Resonance Imaging at 300-Micron LevelChunlei Liu; Fiscal Year: 2007..These techniques will eventually result better diagnostic potential for diffusion-weighted images, and, ultimately, more accurate quantification of complex tissue diffusion properties. ..