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David Politte

David Politte

Research Instructor

Office: East Building 3349
Tel: (314)362-6966
Fax: (314)362-6971

politted@mir.wustl.edu

Education

B.S., Electrical Engineering, Washington University in St. Louis - 1981
M.S., Electrical Engineering, Washington University in St. Louis - 1983
D.Sc., Electrical Engineering, Washington University in St. Louis - 1999

Background

David Politte began his career at Washington University as a Research Assistant for Biomedical Computer Lab in 1981. He also performed research work for Radiation Sciences and the Optical Radiology Lab before joining the ERL in 2000.

Research Interests

Artifact-free CT Imaging, Cochlear Implants

Affiliations/Professional Studies

Institute of Electrical and Electronics Engineers (IEEE) - Member since 2000

Publications

  1. Snyder DL, Politte DG: Image reconstruction from list-mode data in an emission tomography system having time-of-flight measurements. IEEE Transactions on Nuclear Science, 30(3):1843-1849, June 1983.
  2. Politte DG: Reconstruction algorithms for time-of-flight assisted positron-emission tomographs. Master’s thesis, Department of Electrical Engineering, Sever Institute of Technology, Washington University, St. Louis, Missouri, December 1983.
  3. Politte DG, Snyder DL: Results of a comparative study of a reconstruction procedure for producing improved estimates of radioactivity distributions in time-of-flight emission tomography. IEEE Transactions on Nuclear Science, 31(1):614-619, February 1984.
  4. Politte DG, Hoffman GR, Beecher DE, Ficke DC, Holmes TJ, Ter-Pogossian MM: Image-reconstruction of data from Super PETT I: A first-generation time-of-flight positron-emission tomograph. IEEE Transactions on Nuclear Science, 33(1):428-434, February 1986.
  5. Snyder DL, Miller MI, Thomas, Jr. LJ, Politte DG: Noise and edge artifacts in maximum-likelihood reconstructions for emission tomography. IEEE Transactions on Medical Imaging, 6(3):228-238, September 1987.
  6. Politte DG, Snyder DL: The use of constraints to eliminate artifacts in maximum-likelihood image estimation for emission tomography. IEEE Transactions on Nuclear Science, 35(1):608-610, February 1988.
  7. Drury HA, Green P, McCauley BK, Olson MV, Politte DG, Thomas, Jr. LJ: Spatial normalization of one-dimensional electrophoretic gel images. Genomics, 8:119-126, 1990.
  8. Politte DG: Image improvements in positron-emission tomography due to measuring differential time-of-flight and using maximum-likelihood estimation. IEEE Transactions on Nuclear Science, 37(2):737-742, April 1990.
  9. Rosenberger FU, Johns GC, Politte DG, Molnar CE: Transputer implementation of the EM algorithm for PET image reconstruction. In A. S. Wagner, editor, Transputer Research and Applications 3: Proceedings of the Third Conference of the North American Transputer Users Group (NATUG-3), pages 51-62, Sunnyvale, California, April 26-27, 1990. IOS Press, Amsterdam.
  10. Rosenberger FU, Politte DG, Johns GC, Molnar CE: An efficient parallel implementation of the EM algorithm for PET image reconstruction utilizing transputers. In Conference Record of the 1990 IEEE Nuclear Science Symposium, IEEE Catalog No. 90CH2975-1, volume 2, pages 1535-1539, Arlington, Virginia, October 22-27, 1990.
  11. Politte DG, Snyder DL: Corrections for accidental coincidences and attenuation in maximum-likelihood image reconstruction for positron-emission tomography. IEEE Trans. on Medical Imaging, 10(1):82-89, March 1991.
  12. Snyder DL, Politte DG, Miller MI: A case study in statistical image processing: Positron-emission tomography. In A. Possolo, editor, Spatial Statistics and Imaging, vol. 20, pp 368-381. Institute of Mathematical Statistics, 1991.
  13. Drury HA, Politte DG, Ollinger JM, Green P, Thomas, Jr. LJ: Maximum-likelihood estimation of restriction-fragment mobilities from 1-d electrophoretic agarose gels. In R. S. Acharya, C. J. Cogswell, and D. B. Goldgof, editors, Biomedical Image Processing and Three-Dimensional Microscopy, Proceedings of SPIE, volume 1660, part two, pages 564-575, February 10-13, 1992.
  14. Politte DG, Maffitt DR, States DJ: Estimation of allele frequencies from color-multiplexed electropherograms. In S. Istrail, P. Pevzner, and M. Waterman, editors, Proceedings of the Second Annual International Conference on Computational Molecular Biology, pages 202-206, New York, March 22-25, 1998.
  15. Huang W, Fuhrmann DR, Politte DG, Thomas, Jr. LJ, States DJ: Filter matrix estimation in automated DNA sequencing. IEEE Transactions on Biomedical Engineering, 45(4):422-428, April 1998.
  16. Politte DG: Signal processing for estimating DNA sequences and allele frequencies. D.Sc. dissertation, Department of Electrical Engineering, Sever Institute of Technology, Washington University, St. Louis, Missouri, August 1999.
  17. Snyder DL, O’Sullivan JA, Whiting BR, Murphy RJ, Benac J, Cataldo JA, Politte DG, Williamson JF: Deblurring subject to nonnegativity constraints when known functions are present with application to object-constrained computerized tomography. IEEE Transactions on Medical Imaging, 20(10):1009-1017, October 2001.
  18. Benac J, O’Sullivan JA, Snyder DL, Politte DG, Whiting BR, Williamson JF, Murphy RJ: A simulation study of alternating minimization algorithms for CT image formation. Accepted for publication in the Conference Proceedings of the Thirty-Ninth Annual Allerton Conference on Communication, Control, and Computing, University of Illinois, October 3-5, 2001.
  19. Williamson JF, Whiting BR, Benac J, Murphy RJ, Blaine GJ, O’Sullivan JA, Politte DG, Snyder DL: Prospects for quantitative CT imaging in the presence of foreign metal bodies using statistical image reconstruction. Proceedings of the 2002 IEEE International Symposium on Biomedical Imaging: Macro to Nano, pp. 649-652, Washington, D.C., July 7-10, 2002.
  20. Murphy RJ, O’Sullivan JA, Benac J, Snyder DL, Whiting BR, Politte DG, Williamson JF: Incorporating known information into image reconstruction algorithms for transmission tomography. Proceedings of SPIE, Progress in Biomedical Optics and Imaging, vol. 3, no. 22, February 2002, pp. 29-37.
  21. Williamson JF, Whiting BR, Benac J, Murphy RJ, Blaine GJ, O’Sullivan JA, Politte DG, Snyder DL: Prospects for quantitative computed tomography imaging in the presence of feign metal bodies using statistical image reconstruction. Medical Physics, vol. 29 (10) pp 1-15, 2002.
  22. Low DA, Nystrom M, Kalinin E, Parikh P, Dempsey JF, Bradley JD, Mutic S, Wahab SH, Islam T, Christensen G, Politte DG, Whiting BR: A method for the reconstruction of four-dimensional synchronized CT scans acquired during free breathing. Medical Physics 30(6), June 2003.
  23. Murphy RJ, Yan S, O’Sullivan JA, Snyder DL, Whiting BR, Politte DG: Pose estimation of known objects during transmission tomographic image reconstruction. IEEE Transactions on Medical Imaging, vol. 25, no. 10, pp. 1392-1404, October 2006.
  24. Snyder DL, Murphy RJ, O’Sullivan JA, Whiting BR, Politte DG: Image reconstruction with incomplete data in transmission tomography. Submitted to SPIE International Symposium on Medical Imaging, to be held 14-19 February 2004.
  25. Politte DG, Yan S, O’Sullivan JA, Snyder DL, Whiting, BR: Implementation of alternating minimization algorithms for fully 3D CT imaging. Proceedings of the SPIE-IS&T Electronic Imaging, SPIE Vol. 5674, Computational Imaging III, edited by Charles A. Bouman and Eric L. Miller, January 17-18, 2005, San Jose, CA, pp. 362-373.
  26. Snyder DL, O’Sullivan JA, Murphy RJ, Politte DG, Whiting BR, Williamson JF: Maximum likelihood image reconstruction for transmission tomography when projection data are incomplete. Accepted in September 2006 for publication in Phys. Med. Biol. Keesing DB, O’Sullivan JA, Politte DG, Whiting BR: Parallelization of a fully 3D CT iterative reconstruction algorithm, submitted to the 2006 IEEE International Symposium on Biomedical Imaging: from Nano to Macro, April 6-9, 2006, Arlington, VA.