Contributions to research and development

Master's thesis

J. G. Sled, ``A non-parametric method for automatic correction of intensity non-uniformity in MRI data,'' Master's thesis, McGill University, Montreal, QC, May 1997. (compressed postscript file 935kb)

Ph.D. thesis

J. G. Sled, ``Quantitative imaging of magnetization transfer parameters in vivo using MRI,'' Ph.D. thesis, McGill University, Montreal, QC, May 2001. (PDF file 1813kb)



Publications in peer-reviewed journals

N. Kabani, J. G. Sled, A. Shuper, and H. Chertkow, ``Regional magnetization transfer ratio changes in mild cognitive impairment,'' Magnetic Resonance in Medicine, vol. 47, no. 1, pp. 143-148, 2002.

N. Kabani, J. G. Sled, and H. Chertkow, ``Magnetization transfer ratio in mild cognitive impairment and dementia of Alzheimer's type,'' NeuroImage, vol. 15, no. 3, pp. 604-610, 2002.

J. G. Sled and G. B. Pike, ``Quantitative imaging of magnetization transfer exchange and relaxation properties in vivo using MRI,'' Magnetic Resonance in Medicine, vol. 46, no. 5, pp. 923-931, 2001.

J. B. Arnold, J.-S. Liow, K. A. Schaper, J. J. Stern, J. G. Sled, D. W. Shattuck, A. J. Worth, M. S. Cohen, R. M. Leahy, J. C. Mazziotta, and D. A. Rottenberg, ``Qualitative and quantitative evaluation of six bias-correction algorithms,'' NeuroImage, vol. 13, pp. 931-943, 2001.

J. G. Sled and G. B. Pike, ``Quantitative interpretation of magnetization transfer in spoiled gradient echo MRI sequences,'' Journal of Magnetic Resonance, vol. 145, pp. 24-36, 2000.

J. G. Sled and G. B. Pike, ``Correction for B1 and B0 variations in quantitative T2 measurements using MRI,'' Magnetic Resonance in Medicine, vol. 43, no. 1, pp. 589-593, 2000.

J. G. Sled, A. P. Zijdenbos, and A. C. Evans, ``A non-parametric method for automatic correction of intensity non-uniformity in MRI data,'' IEEE Transactions on Medical Imaging, vol. 17, no. 1, pp. 87-97, 1998.

D. L. Collins, A. P. Zijdenbos, V. Kollokian, J. G. Sled, N. J. Kabani, C. J. Holmes, and A. C. Evans, ``Design and Construction of a Realistic Digital Brain Phantom,'' IEEE Transactions on Medical Imaging, vol. 17, no. 3, pp. 463-468, 1998

J. G. Sled and G. B. Pike, ``Standing-wave and RF penetration artifacts caused by elliptic geometry: an electrodynamic analysis of MRI,'' IEEE Transactions on Medical Imaging, vol. 17, no. 4, pp. 653-662, 1998.



Conference proceedings

J. G. Sled, I. Levesque, C. Santos, S. J. Francis, S. Narayanan, S. D. Brass, D. L. Arnold, and G. B. Pike, ``Regional variations in normal brain shown by quantitative magnetization transfer imaging,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1313, 2002.

J. G. Sled, I. Levesque, S. Narayanan, C. Santos, S. D. Brass, S. J. Francis, D. L. Arnold, and G. B. Pike, ``The role of edema and demyelination in T1 black holes: a quantitative magnetization transfer study,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 181, 2002.

A. Santos, J. G. Sled, S. Narayanan, S. Francis, S. D. Brass, I. Levesque, Z. Caramanos, G. B. Pike, and A. D. L., ``Quantitative magnetization transfer for assessment of tissue damage in individual multiple sclerosis lesions,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1177, 2002.

I. Levesque, J. G. Sled, B. S. D., A. C. Santos, S. Narayanan, S. J. Francis, D. L. Arnold, and G. B. Pike, ``Comparison of mtr and qmt imaging of multiple sclerosis lesions,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1183, 2002.

S. D. Brass, A. C. Santos, S. J. Francis, Z. Caramanos, G. Parrilla, Y. Lapierre, I. Levesque, S. Narayanan, J. G. Sled, G. B. Pike, and D. L. Arnold, ``Quantitative magnetization transfer imaging parameters in white matter, gray matter, and lesions in patients with multiple sclerosis compared to normal controls,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1179, 2002.

S. D. Brass, A. C. Santos, S. J. Francis, Z. Caramanos, G. Parrilla, Y. Lapierre, I. Levesque, S. Narayanan, J. G. Sled, G. B. Pike, and D. L. Arnold, ``Regional variations of quantitative magnetization transfer imaging parameters in normal-appearing gray matter and normal-appearing white matter in multiple sclerosis,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1178, 2002.

S. Narayanan, S. J. Francis, J. G. Sled, A. C. Santos, S. Antel, I. Levesque, G. B. Pike, and D. L. Arnold, ``Assessment of axonal injury and demyelination in the cerebral normal-appearing white matter of patients with multiple sclerosis,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 594, 2002.

N. Kabani, A. Dorr, J. Sled, J. Pressuner, and H. Chertkow, ``Volumetric and magnetization transfer measurements of the entorhinal cortex in mild cognitive impairment,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1275, 2002.

B. Stefanovic, J. G. Sled, and G. B. Pike, ``Volumetric and magnetization transfer measurements of the entorhinal cortex in mild cognitive impairment,'' in Proceedings of the 10th Meeting of the International Society of Magnetic Resonance in Medicine, p. 2290, 2002.

J. G. Sled and G. B. Pike, ``Quantitative magnetization transfer imaging for the study of Multiple Sclerosis,'' in Proceedings of the 1st International Workshop of the White Matter Study Group of the ISMRM, p. 30, 2001.

J. G. Sled and G. B. Pike, ``Quantitative imaging of magnetization transfer exchange and relaxation properties in vivo using MRI,'' in Proceedings of the 9th Meeting of the International Society of Magnetic Resonance in Medicine, p. 524, 2001.

J. G. Sled and G. B. Pike, ``Quantitative imaging of magnetization transfer parameters in vivo using MRI,'' in Proceedings of the 8th Meeting of the International Society of Magnetic Resonance in Medicine, p. 508, 2000.

J. G. Sled and G. B. Pike, ``Correction for B1 and B0 variations in quantitative T2 measurements using MRI,'' in Proceedings of the 8th Meeting of the International Society of Magnetic Resonance in Medicine, p. 436, 2000.

J. G. Sled and G. B. Pike, ``Quantitative interpretation of magnetization transfer in spoiled gradient echo MRI sequences,'' in Proceedings of the 7th Meeting of the International Society of Magnetic Resonance in Medicine, p. 1918, 1999.

J. G. Sled and G. B. Pike, ``Quantitative experimental validation of an analytic model for intensity non-uniformity in MRI,'' in Proceedings of the 7th Meeting of the International Society of Magnetic Resonance in Medicine, p. 2140, 1999.

M. R. Zaini, K. A. Schaper, J. R. Anderson, D. W. Shattuck, J.-S. Liow, J. G. Sled, and D. A. Rottenberg, ``Methods for evaluating the performance of MRI nonuniformity correction algorithms,'' in Proceedings of the 5th International Conference on Human Brain Mapping, 1999.

J. G. Sled and G. B. Pike, ``Understanding intensity non-uniformity in MRI,'' in 1st International Conference on Medical Computing and Computer-Assisted Intervention, Lecture Notes in Computer Science vol. 1496, Springer, pp. 614-622, 1998.

J. G. Sled and A. C. Evans, Alex P. Zijdenbos, D. Louis Collins, ``The impact of intensity non-uniformity on automated anatomical analysis of 3D MRI images,'' in Third International Conference on Functional Mapping of the Human Brain, p. S399, 1997. (Conference poster: HTML version)

J. G. Sled, A. C. Evans, and G. B. Pike, ``Standing-wave and RF penetration artifacts caused by elliptic geometry: an electrodynamic analysis of MRI,'' in 5th Meeting of the International Society for Magnetic Resonance in Medicine, p. 1512, 1997.

J. G. Sled, A. P. Zijdenbos, and A. C. Evans, ``A comparison of retrospective intensity non-uniformity correction methods for MRI,'' in Information Processing in Medical Imaging, Lecture Notes in Computer Science vol. 1230, Springer, pp. 459-464, 1997. (Conference poster: HTML version)

A. P. Zijdenbos, A. C. Evans, F. Riahi, J. G. Sled, H.-C. Chui, and V. Kollokian, ``Automatic quantification of multiple sclerosis lesion volume using stereotaxic space,'' in Proceedings of the 4th International Conference on Visualization in Biomedical Computing, VBC `96:, pp. 439-448, (Hamburg), 1996.

C. J. Holmes, D. MacDonald, J. G. Sled, A. W. Toga, and A. C. Evans, ``Cortical peeling: CSF/grey matter/white matte boundaries visualized by nesting isosurfaces,'' in Proceedings of the 4th International Conference on Visualization in Biomedical Computing, VBC `96:, (Hamburg), 1996.

J. G. Sled, A. Celler, J. S. Barney, M. Ivanovic. ``Monte Carlo Simulation in SPECT: a comparison of two approaches''. In Proceedings of the SPIE. Medical Imaging, vol. 2163, pp. 350-360, 1994.



John SLED
2002-06-11