Sean K Lehman

Email: sklehman@llnl.gov
Phone: +19254233580

EXPERIENCE: Physics-based signal and image processing. Research and development expert in tomography, wave theory, inverse wave problems (medical; subsurface imaging for civil structures, buried waste, & archeology; & non- destructive evaluation), signal and image processing, applied physics, optimization, and remote sensing.

EDUCATION:

  • Ph.D. in Engineering, Applied Science; University of California, Davis, Davis, CA 95616; September 2000.

  • M.S. in Applied Physics; Columbia University, New York, NY 10027; May 1988.

  • B.S. in Engineering Sciences (Electrical); Yale University, New Haven, CT 06520; May 1984.

  • Diplôme d’Etudes Collégials, Pure and Applied Science; Champlain Regional College, Lennoxville, Quebec J1M 2A1; May 1981.

PUBLICATIONS :

  • H. E. Martz, Jr., B. J. Kozioziemski, S. K. Lehman, S. Hau-riege, D. J. Schneberk, A. Barty, “Validation of Radiographic Simulation Codes Including X-Ray Phase Effects for Millimeter-Size Objects with Micrometer Structures,” Journal of the Optical Society of America A, 24(1), pp169–178, January 2007

  • K. A. Fisher, Sean K. Lehman, D. H. Chambers, “Development of a Multiview Time-Domain Imaging Algo- rithm with a Fermat Correction,” Journal of the Acoustical Society of America, 118(5), pp3122–3128, November 2005

  • S. K. Lehman, “Hilbert Space Inverse Wave Imaging in a Planar Multilayer Environment,” The Journal of the Acoustical Society of America, 117(5), pp2929–2936, May 2005

  • S. K. Lehman, S. J. Norton, “Radial Reflection Diffraction Tomography,” The Journal of the Acoustical Society of America, 116(4), pp2158–2172, October 2004

  • D. H. Chambers, J. V. Candy, S. K. Lehman, J. S. Kallman, A. J. Poggio, A. W. Meyer, “Time Reversal and the Spatio-Temporal Match Filter,” The Journal of the Acoustical Society of America, 116(3), pp1348–1350, September 2004

  • S. K. Lehman, A. J. Devaney, “Transmission Mode Time-Reversal Super-Resolution Imaging,” The Journal of the Acoustical Society of America, 113(5), pp2742–2753, May 2003

  • S.K.Lehman,“SuperresolutionPlanarDiffractionTomographythroughEvanescentFields,”InternationalJour- nal of Imaging Systems & Technology, 12(1), pp16–26, 2002

  • S. K. Lehman, “Superresolution of Buried Objects in Layered Media by Near-Field Electromagnetic Imaging,” Ph.D. dissertation, U. C. Davis, September 2000.

  • J. P. Fitch, S.K.Lehman, F.U.Dowla, S.Y.Lu, E.M.Johansson, D.M.Goodman, “Ship Wake Detection Procedure Using Conjugate Gradient Trained Artificial Neural Networks,” IEEE Transactions on Geoscience and Remote Sensing, 29(5), pp718–726, September 1991. 

PATENTS:

  • Radial Reflection DiffractionTomography; S. K. Lehman; Patent Number: 8,335,555; December 18, 2012.

  • Model-Based Tomographic Reconstruction; D. H. Chambers, S. K. Lehman, D. M. Goodman; Patent Number: 8,207,886; June 26, 2012.