Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT

Lifeng Yu, Dan Xia, Yu Zou, Xiaochuan Pan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recently, a 3D filtered-backprojection(FBP)-based algorithm for image reconstruction on PI-line segments in a helical cone-beam CT scan has been developed (Zou and Pan, 2004). In the present work, we derive new reconstruction algorithms for circular cone-beam scans based upon this algorithm and a concept of virtual PI-line. We prove that, in the case of conventional full- and short-scan, the newly derived algorithms are mathematically identical to existing algorithms. More importantly, in the case of reduced-scans in which the scanning angle range is less than that in a short-scan, the new algorithms can yield exact region of interest (ROI) reconstruction in mid-plane and approximate ROI reconstruction in off-mid-planes. We have performed a preliminary numerical study that verifies our theoretical assertions.

Original languageEnglish (US)
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
EditorsJ.M. Fitzpatrick, J.M. Reinhardt
Pages2094-2099
Number of pages6
Volume5747
EditionIII
DOIs
StatePublished - 2005
Externally publishedYes
EventMedical Imaging 2005 - Image Processing - San Diego, CA, United States
Duration: Feb 13 2005Feb 17 2005

Other

OtherMedical Imaging 2005 - Image Processing
CountryUnited States
CitySan Diego, CA
Period2/13/052/17/05

Fingerprint

Image reconstruction
Cones
Computerized tomography
Scanning

Keywords

  • Computed tomography (CT)
  • Cone-beam CT
  • Filtered-backprojection (FBP)
  • Image reconstruction
  • Region of interest (ROI)

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Yu, L., Xia, D., Zou, Y., & Pan, X. (2005). Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT. In J. M. Fitzpatrick, & J. M. Reinhardt (Eds.), Progress in Biomedical Optics and Imaging - Proceedings of SPIE (III ed., Vol. 5747, pp. 2094-2099). [245] https://doi.org/10.1117/12.595857

Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT. / Yu, Lifeng; Xia, Dan; Zou, Yu; Pan, Xiaochuan.

Progress in Biomedical Optics and Imaging - Proceedings of SPIE. ed. / J.M. Fitzpatrick; J.M. Reinhardt. Vol. 5747 III. ed. 2005. p. 2094-2099 245.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yu, L, Xia, D, Zou, Y & Pan, X 2005, Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT. in JM Fitzpatrick & JM Reinhardt (eds), Progress in Biomedical Optics and Imaging - Proceedings of SPIE. III edn, vol. 5747, 245, pp. 2094-2099, Medical Imaging 2005 - Image Processing, San Diego, CA, United States, 2/13/05. https://doi.org/10.1117/12.595857
Yu L, Xia D, Zou Y, Pan X. Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT. In Fitzpatrick JM, Reinhardt JM, editors, Progress in Biomedical Optics and Imaging - Proceedings of SPIE. III ed. Vol. 5747. 2005. p. 2094-2099. 245 https://doi.org/10.1117/12.595857
Yu, Lifeng ; Xia, Dan ; Zou, Yu ; Pan, Xiaochuan. / Image reconstruction on virtual PI-lines using filtered-backprojection in circular cone-beam CT. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. editor / J.M. Fitzpatrick ; J.M. Reinhardt. Vol. 5747 III. ed. 2005. pp. 2094-2099
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