Competences in
  • Artifact Removal
  • Dose Reduction
  • Image Reconstruction
  • Scanner Calibration
  • Scanner Design
For preprints please contact info@rayconstruct.de


  1. D. Ertel, T. Pflederer, S. Achenbach, M. Kachelrieß, P. Steffen, and W.A. Kalender. Validation of a raw data-based synchronization signal (kymogram) for phase-correlated cardiac image reconstruction. European Radiology, 18(2):253-262, February 2008.

  2. M. Knaup, P. Stenner, and M. Kachelrieß. Rawdata-based dual energy CT (DECT) from inconsistent scans. IEEE Medical Imaging Conference Record, M26-268, 4457-4459, October 2007.

  3. P. Stenner, and M. Kachelrieß. Automatic exposure control (AEC) for dual energy computed tomography (DECT). IEEE Medical Imaging Conference Record, M26-168, 4367-4372, October 2007.

  4. M. Knaup, and M. Kachelrieß. Real-time cone-beam CT image reconstruction using a Mercury dual cell-based blade system (DCBS) and a Sony Playstation 3 (PS3) cluster. IEEE Medical Imaging Conference Record, M19-291, 3926-3928, October 2007.

  5. O. Bockenbach, M. Knaup, and M. Kachelrieß. Real time adaptive filtering for computed tomography applications. IEEE Medical Imaging Conference Record, M13-281, 3077-3081, October 2007.

  6. M. Knaup, S. Steckmann, O. Bockenbach, and M. Kachelrieß. Image reconstruction using hexagonal grids. IEEE Medical Imaging Conference Record, M13-277, 3074-3076, October 2007.

  7. D. Ertel, M. Kachelrieß, and W.A. Kalender. Histogram-driven multi-dimensional adaptive filtering (HD-MAF). IEEE Medical Imaging Conference Record, M09-6, 2749-2753, October 2007.

  8. M. Knaup, and M. Kachelrieß. Acceleration techniques for 2D parallel and 3D perspective forward- and backprojections. Proceedings of the 1st Workshop on High Performance Image Reconstruction and the 9th International Meeting on Fully 3D Image Reconstruction, www.fully3d.org:45-48, July 2007. (This paper was awarded the best paper in the category “High Performance Image Reconstruction” at the 2007 HPIR and Fully3D meeting).

  9. O. Bockenbach, S. Schuberth, M. Knaup, and M. Kachelrieß. High-performance 3D image reconstruction platforms; state of the art, implications and compromises. Proceedings of the 1st Workshop on High Performance Image Reconstruction and the 9th International Meeting on Fully 3D Image Reconstruction, www.fully3d.org:17-20, July 2007.

  10. P. Stenner, T. Berkus, and M. Kachelrieß. Empirical dual energy calibration (EDEC) for cone-beam computed tomography. Med. Phys. 34(9):3630-3641, September 2007.

  11. O. Bockenbach, M. Knaup, and M. Kachelrieß. Implementation of a cone-beam backprojection algorithm on the Cell broadband engine processor. SPIE Medical Imaging Conference Record, in Press, February 2007.

  12. M. Kachelrieß, M. Knaup, and O. Bockenbach. Hyperfast parallel-beam and cone-beam backprojection using the Cell general purpose hardware. Med. Phys. 34(4):1474-1486, April 2007.

  13. M. Knaup, S. Steckmann, O. Bockenbach and M. Kachelrieß. Tomographic image reconstruction using the Cell broadband engine (CBE) general purpose hardware. Proceedings Electronic Imaging, Computational Imaging V, SPIE Vol 6498, 64980P 1-10, January 2007.

  14. O. Bockenbach, M. Knaup, and M. Kachelrieß. Implementation of a cone-beam backprojection algorithm on the Cell broadband engine. SPIE Medical Imaging Conference Record, in Press, February 2007.

  15. M. Kachelrieß, M. Knaup and Olivier Bockenbach. Hyperfast parallel-beam backprojection. IEEE Medical Imaging Conference Record, M14-168, 3111-3114, October 2006.

  16. M. Knaup, W.A. Kalender, and M. Kachelrieß. Statistical cone-beam CT image reconstruction using the Cell broadband engine. IEEE Medical Imaging Conference Program, M11-422, 2837-2840, October 2006.

  17. M. Kachelrieß, Timo Berkus, Philip Stenner, and W.A. Kalender. Empirical dual energy calibration (EDEC) for cone-beam computed tomography. IEEE Medical Imaging Conference Record, M11-160, 2546-2550, October 2006.

  18. C. Penßel, W.A. Kalender, and M. Kachelrieß. ROI-driven CT trajectories. IEEE Medical Imaging Conference Program, M06-181, 1969-1972, October 2006.

  19. M. Kachelrieß, M. Knaup and Olivier Bockenbach. Hyperfast perspective cone-beam backprojection. IEEE Medical Imaging Conference Record, M01-7, 1679-1683, October 2006.

  20. M. Kachelrieß, M. Knaup, and W.A. Kalender. Multi-threaded cardiac CT. Med. Phys. 33(7):2435-2447, July 2006.

  21. M. Kachelrieß, M. Knaup, C. Penßel, and W.A. Kalender. Flying focal spot (FFS) in cone-beam CT. IEEE Transactions on Nuclear Science 53(3):1238-1247, June 2006.

  22. Y. Kyriakou, M. Kachelrieß, M. Knaup, J. Krause, and W.A. Kalender. Impact of the z-flying focal spot on resolution and artifact behavior for a 64-slice spiral CT scanner. European Radiology, 1206-1215, June 2006.

  23. M. Kachelrieß, K. Sourbelle, and W.A. Kalender. Empirical cupping correction: a first order rawdata precorrection for cone-beam computed tomography. Med. Phys. 33(5):1269-1274, May 2006.

  24. M. Kachelrieß, and W.A. Kalender. Optimizing detector size in x-ray imaging. IEEE Medical Imaging Conference Record, 2736-2740, October 2005.

  25. S. M. Moon, J. D. Pack, M. Kachelrieß, and F. Noo. A highly-detailed quadric-based analytical phantom for efficient cardiac CT simulations. IEEE Medical Imaging Conference Record, 2547-2551, October 2005.

  26. C. Penßel, M. Kachelrieß, M. Knaup and W.A. Kalender. Azimuthal interpolation and noise reduction. IEEE Medical Imaging Conference Record, 1946-1949, October 2005.

  27. M. Kachelrieß, and W.A. Kalender. Improving PET/CT Attenuation Correction with Iterative Beam Hardening Correction. IEEE Medical Imaging Conference Record, 1905-1909, October 2005.

  28. M. Knaup, M. Kachelrieß, and W.A. Kalender. 3D and 4D imaging from multi-threaded cone-beam CT scans. IEEE Medical Imaging Conference Record, 1881-1885, October 2005.

  29. K. Sourbelle, M. Kachelrieß, and W.A. Kalender. Empirical water precorrection for cone-beam computed tomography. IEEE Medical Imaging Conference Record, 1871-1875, October 2005.

  30. M. Kachelrieß, M. Knaup, and W.A. Kalender. Phase-correlated imaging from multi-threaded spiral cone-beam CT scans of the heart. Proceedings of the 8th International Meeting on Fully 3D Image Reconstruction, www.fully3d.org:159-162, July 2005.

  31. M. Kachelrieß, and W.A. Kalender. Presampling, Algorithm Factors and Noise: Considerations for CT in Particular and for Medical Imaging in General. Med. Phys. 32(5):1321-1334, May 2005.

  32. M. Kachelrieß, M. Knaup, C. Penßel, and W.A. Kalender. Flying focal spot (FFS) in cone-beam CT. IEEE Medical Imaging Conference Record, 3759-3763, April 2005.

  33. K. Sourbelle, M. Kachelrieß, and W.A. Kalender. Reconstruction from truncated projections in CT using adaptive detruncation. European Radiology, 15(5):1008-1014, May 2005.

  34. T. Böhm, H. Alkadhi, D.-A. Sennst, T. Schertler, M. Kachelrieß, W.A. Kalender, B. Marincek, and S. Wildermuth. Image quality of volume rendering of the bronchial tree: Kymogram-gated versus retrospectively ECG-gated and non-gated multi-row detector CT. Acad. Radiol, 12:173–181, 2005.

  35. L. Smekal, M. Kachelrieß, E. Stepina, and W.A. Kalender. Geometric misalignment and calibration in cone-beam tomography. Med. Phys., 31(12):3242-3266, December 2004.

  36. M. Kachelrieß, M. Knaup, and W.A. Kalender. Extended parallel backprojection for standard 3D and phase-correlated 4D axial and spiral cone-beam CT with arbitrary pitch and 100% dose usage. Med. Phys., 31(6):1623-1641, June 2004.

  37. M. Kachelrieß, M. Knaup, and W.A. Kalender. 4D reconstruction for wide cone-angle medical CT. IEEE Medical Imaging Conference Record, M15-5, 5 pages, April 2004.

  38. M. Kachelrieß, T. Berkus, and W.A. Kalender. Quality of statistical reconstruction in medical CT. IEEE Medical Imaging Conference Record, M10-325, 5 pages, April 2004.

  39. M. Kachelrieß. Phase-correlated dynamic CT. Conference Record of the IEEE International Symposium on Biomedical Imaging, 616-619, April 2004.

  40. D.-A. Sennst, M. Kachelrieß, C. Leidecker, B. Schmidt, O. Watzke, and W.A. Kalender. Syngo Explorer: An extensible software-based platform for reconstruction and evaluation of CT images. RadioGraphics 24:601-612, March 2004.

  41. U. Baum, K. Anders, G. Steinbichler, M. Lell, G. Greess, T. Riedel, M. Kachelrieß, W.A. Kalender, W.A. Bautz. Improvement of image quality of multislice spiral CT scans of the head and neck region using a raw data-based multidimensional adaptive filtering (MAF) technique. European Radiology, 14:1873-1881, 2004.

  42. M. Kachelrieß, and W.A. Kalender. Extended parallel backprojection (EPBP) for arbitrary cone angle and arbitrary pitch 3D and phase-correlated 4D CT reconstruction. Proceedings of the 7th International Meeting on Fully 3D Image Reconstruction, www.fully3d.org:Mo-Pm2-4, June 2003.

  43. M. Kachelrieß, D.-A. Sennst, W. Maxlmoser, and W.A. Kalender. Kymogram detection and kymogram-correlated image reconstruction from subsecond spiral computed tomography scans of the heart. Med. Phys., 29(7):1489-1503 , July 2002.

  44. M. Kachelrieß, T. Fuchs, R. Lapp, D.-A. Sennst, S. Schaller, and W.A. Kalender. Image to volume weighting generalized ASSR for arbitrary pitch 3D and phase-correlated 4D spiral cone-beam CT reconstruction. Proceedings of the 6th International Meeting on Fully 3D Image Reconstruction, www.fully3d.org:179-182, November 2001.

  45. M. Kachelrieß. Image Reconstruction from cone-beam projections for the next generation of medical CT scanners. Habilitationsschrift (post doctoral lecturing qualifications), Friedrich-Alexander University Erlangen-Nürnberg, August 2001.

  46. M. Kachelrieß, T. Fuchs, S. Schaller, and W.A. Kalender Advanced single-slice rebinning for tilted spiral cone-beam CT. Med. Phys., 28(6):1033-1041, June 2001.

  47. M. Kachelrieß, O. Watzke, and W.A. Kalender. Generalized multi-dimensional adaptive filtering (MAF) for conventional and spiral single-slice, multi-slice and cone-beam CT. Med. Phys., 28(4):475-490, April 2001. (This paper received the Walter Friedrich Award of the Deutsche Röntgengesellschaft in 2001).

  48. S. Schaller, K. Stierstorfer, H. Bruder, M. Kachelrieß, and T. Flohr. Novel approximate approach for high-quality image reconstruction in helical cone beam CT at arbitrary pitch. SPIE Medical Imaging Conference Proc., 4322:113-127, February 2001.

  49. S. Achenbach, S. Ulzheimer, U. Baum, M. Kachelrieß, D. Ropers, T. Giesler, W.A. Bautz, W.G. Daniel, W.A. Kalender, and W. Moshage. Noninvasive coronary angiography by retrospectively ECG-gated multislice spiral CT. Circulation 102:2823-2828, December 2000.

  50. T. Fuchs, M. Kachelrieß, and W.A. Kalender. Technical advances in multi-slice spiral CT. European Journal of Radiology, 36(2):69-73, November 2000.

  51. T. Fuchs, M. Kachelrieß, and W.A. Kalender. System performance of multislice spiral computed tomography. IEEE Engineering in Medicine and Biology, 19(5):63-70, September/October 2000.

  52. T. Fuchs, M. Kachelrieß, and W.A. Kalender. Comparison of a xenon and a solid state CT detector system: Measurements under working conditions. IEEE Transactions on Medical Imaging, 19(9):941-948, September 2000.

  53. M. Kachelrieß, S. Ulzheimer, and W.A. Kalender. ECG-correlated imaging of the heart with subsecond multislice CT. IEEE Transactions on Medical Imaging, 19(9):888-901, September 2000.

  54. H. Bruder, M. Kachelrieß, S. Schaller, K. Stierstorfer, and T. Flohr. Single-slice rebinning reconstruction in spiral cone-beam computed tomography. IEEE Transactions on Medical Imaging, 19(9):873-887, September 2000.

  55. M. Kachelrieß, S. Ulzheimer, and W.A. Kalender. ECG-correlated image reconstruction from subsecond multi-slice spiral CT scans of the heart. Med. Phys., 27(8):1881-1902, August 2000.

  56. M. Kachelrieß, S. Schaller, and W.A. Kalender. Advanced single-slice rebinning in cone-beam spiral CT. Med. Phys., 27(4):754-772, April 2000. (This paper received the Sylvia Sorkin Greenfield Award for the best scientific paper in Medical Physics during 2000).

  57. M. Kachelrieß, and W.A. Kalender. Electrocardiogram-correlated image reconstruction from subsecond spiral computed tomography scans of the heart. Med. Phys., 25(12):2417-2431, December 1998. (This paper received the Sylvia Sorkin Greenfield Award for the best scientific paper in Medical Physics during 1998).

  58. M. Kachelrieß. Reduction of Metal Artifacts in X-Ray Computed Tomography. PhD thesis. Institute of Medical Physics (IMP), Friedrich-Alexander-University Erlangen-Nürnberg, 1998.



For preprints please contact info@rayconstruct.de

RayConStruct GmbH
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90419 Nürnberg

Germany

Phone: +49 (911) 5192031
Fax: +49 (911) 5192723
Email: info@rayconstruct.de