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Localization of brachytherapy seeds in MRI by deconvolution.

Publication ,  Journal Article
Dong, Y; Chang, Z; Whitehead, G; Ji, J
Published in: Annu Int Conf IEEE Eng Med Biol Soc
2013

MRI has the potential to be used as a preferred imaging method for brachytherapy during the seed insertion and post-surgery evaluation. However, the brachytherapy seeds usually appear dark in the MRI magnitude images. Previously, we have developed a method based on susceptibility mapping to generate positive contrast of the seeds, which allows improved seed localization. In this paper, we propose a new method to localize the seeds by deconvolution using a seed kernel (i.e. the calculated magnetic field surrounding a seed). The deconvolution is solved using a regularized L1 minimization. Results from simulated and experimental data sets show that the seeds can be identified and localized using the proposed method more precisely.

Duke Scholars

Published In

Annu Int Conf IEEE Eng Med Biol Soc

DOI

EISSN

2694-0604

Publication Date

2013

Volume

2013

Start / End Page

2960 / 2963

Location

United States

Related Subject Headings

  • Magnetic Resonance Imaging
  • Magnetic Phenomena
  • Image Processing, Computer-Assisted
  • Humans
  • Contrast Media
  • Computer Simulation
  • Brachytherapy
 

Citation

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MLA
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Dong, Y., Chang, Z., Whitehead, G., & Ji, J. (2013). Localization of brachytherapy seeds in MRI by deconvolution. Annu Int Conf IEEE Eng Med Biol Soc, 2013, 2960–2963. https://doi.org/10.1109/EMBC.2013.6610161
Dong, Ying, Zheng Chang, Gregory Whitehead, and Jim Ji. “Localization of brachytherapy seeds in MRI by deconvolution.Annu Int Conf IEEE Eng Med Biol Soc 2013 (2013): 2960–63. https://doi.org/10.1109/EMBC.2013.6610161.
Dong Y, Chang Z, Whitehead G, Ji J. Localization of brachytherapy seeds in MRI by deconvolution. Annu Int Conf IEEE Eng Med Biol Soc. 2013;2013:2960–3.
Dong, Ying, et al. “Localization of brachytherapy seeds in MRI by deconvolution.Annu Int Conf IEEE Eng Med Biol Soc, vol. 2013, 2013, pp. 2960–63. Pubmed, doi:10.1109/EMBC.2013.6610161.
Dong Y, Chang Z, Whitehead G, Ji J. Localization of brachytherapy seeds in MRI by deconvolution. Annu Int Conf IEEE Eng Med Biol Soc. 2013;2013:2960–2963.

Published In

Annu Int Conf IEEE Eng Med Biol Soc

DOI

EISSN

2694-0604

Publication Date

2013

Volume

2013

Start / End Page

2960 / 2963

Location

United States

Related Subject Headings

  • Magnetic Resonance Imaging
  • Magnetic Phenomena
  • Image Processing, Computer-Assisted
  • Humans
  • Contrast Media
  • Computer Simulation
  • Brachytherapy