Concepedia

Bow-tie wobble artifact: Effect of source assembly motion on cone-beam CT

Dandan Zheng, John C. Ford, Jun Lü, D Lazos, Geoffrey D. Hugo, Damodar Pokhrel, Lisha Zhang, Jeffrey F. Williamson

Medical Physics · 2011 · 12 citations · 17 references

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Abstract

A geometric mismatch between the BTF modulation patterns on CBCT projections and on the NP causes the BWA. The BTF wobble requires additional degrees of freedom in CBCT geometric calibration to characterize.

References

17

Practical cone-beam algorithm

L.A. Feldkamp, L. C. Davis, J. W. Kress · Journal of the Optical Society of America A · 1984 · 6.2K citations

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Flat-panel cone-beam computed tomography for image-guided radiation therapy

David A. Jaffray, Jeffrey H. Siewerdsen, John W. Wong et al. · International Journal of Radiation Oncology*Biology*Physics · 2002 · 1.3K citations

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Accurate technique for complete geometric calibration of cone‐beam computed tomography systems

Youngbin Cho, D Moseley, Jeffrey H. Siewerdsen et al. · Medical Physics · 2005 · 292 citations

Analytic method based on identification of ellipse parameters for scanner calibration in cone-beam tomography

Frédéric Noo, Rolf Clackdoyle, Catherine Mennessier et al. · Physics in Medicine and Biology · 2000 · 225 citations

A geometric calibration method for cone beam CT systems

Kai Yang, Alexander L. C. Kwan, D Miller et al. · Medical Physics · 2006 · 210 citations