Alignment correction during metal artifact reduction for CBCT using mutual information and edge filtering

ISPA 2009 - Proceedings of the 6th International Symposium on Image and Signal Processing and Analysis

Volumn , Issue , 2009, Pages 139-144

  Meilinger, Manuel ^a   Schmidgunst, Christian ^b   Schütz, Oliver ^b   Lang, Elmar W ^a  

^a UNIVERSITY OF REGENSBURG   (Germany)

^b SIEMENS AG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

2D PROJECTIONS; A-DENSITY; C-ARM SYSTEMS; CLINICAL IMAGES; COMPUTED TOMOGRAPHY; CONE-BEAM COMPUTED TOMOGRAPHY; EDGE FILTERING; EDGE FILTERS; HIGH-DENSITY; METAL ARTIFACT REDUCTION; METAL PARTS; MUTUAL INFORMATIONS; NOVEL METHODS; PRE-PROCESSING STEP; PROJECTION GEOMETRY; RECONSTRUCTED IMAGE; X-RAY ATTENUATION COEFFICIENT;

ALIGNMENT; COMPUTERIZED TOMOGRAPHY; EDGE DETECTION; IMAGE RECONSTRUCTION; INFORMATION USE; METALS; ROBOTIC ARMS; SIGNAL PROCESSING;

THREE DIMENSIONAL;

EID: 70450265343     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (11)

1. M. Bal and L. Spies, "Metal artifact reduction in ct using tissue-class modeling and adaptive prefiltering", Medical Physics, 33(8), 2006, pp. 2852-2859.
2. B. De Man, J. Nuyts, P. Dupont, G. Marchal, and P. Suetens, "Metal streak artifacts in x-ray computed tomography: A simulation study", IEEE Transactions on Nuclear Science, 46(3), Jun 1999, pp. 691-696.
3. R. C. Gonzalez and R. E. Woods, Digital Image Processing (3rd Edition), Prentice Hall, 2008.
4. W. Kalender, R. Hebele, and J. Ebersberger, "Reduction of ct artifacts caused by metallic implants", Radiology, 164(2), Aug 1987, pp. 567-577.
5. J. A. Kennedy, O. Israel, A. Frenkel, R. Bar-Shalom, and H. Azhari, "The reduction of artifacts due to metal hip implants in ct-attenuation corrected pet images from hybrid pet/ct scanners.", Med Biol Eng Comput, 45, Jun 2007, pp. 553-562.
6. N. Otsu, "A threshold selection method from gray-level histograms", IEEE Transactions on Systems, Man and Cybernetics, 9(1), Jan 1979, pp. 62-66.
7. C. Schmidgunst and R. Graumann, "Intraoperative 3d imaging with a mobile c-arm flat panel detector", 5. Jahrestagungder CURAC, 2006.
8. C. Schmidgunst, D. Ritter, and E. W. Lang, "Calibration model of a dual gain flat panel detector for 2d and 3d x-ray imaging", Medical Physics, 34(9), 2007, pp. 3649-3664.
9. J. Wei, L. Chen, G. A. Sandison, Y. Liang, and L. X. Xu, "X-ray ct high-density artefact suppression in the presence of bones", Physics in Medicine and Biology, 49(24), 2004, pp. 5407-5418.
10. M. Yazdia, L. Gingras, and L. Beaulieu, "An adaptive approach to metal artifact reduction in helical computed tomography for radiation therapy treatment planning: Experimental and clinical studies", International Journal of Radiation Oncology*Biology*Physics, 62(4), 2005, pp. 1224 -1231.
11. Y. Zhang, L. Zhang, X. Zhu, A. Lee, M. Chambers, and L. Dong, "Reducing metal artifacts in cone-beam ct images by preprocessing projection data", International Journal of Radiation Oncology* Biology*Physics, 67(3), Mar 2007, pp. 924-932.