Dr Thomas Marchant

Honorary Research Associate

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Publications

  1. 2019
  2. Published

    Quantitative evaluation of 4D Cone beam CT scans with reduced scan time in lung cancer patients

    Bryce-atkinson, A., Marchant, T., Rodgers, J., Budgell, G., Mcwilliam, A., Faivre-finn, C., Whitfield, G. & Van Herk, M., Jul 2019, In : Radiotherapy and Oncology. 136, p. 64-70 6 p.

    Research output: Contribution to journalArticle

  3. 2018
  4. Published

    Accuracy of radiotherapy dose calculations based on cone-beam CT: comparison of deformable registration and image correction based methods

    Marchant, T., D Joshi, K. & Moore, C., 12 Mar 2018, In : Physics in Medicine and Biology. 63, 065003.

    Research output: Contribution to journalArticle

  5. Published

    Dosimetric comparison of five different techniques for craniospinal irradiation across 15 European centers: analysis on behalf of the SIOP-E-BTG (radiotherapy working group)*

    Seravalli, E., Bosman, M., Lassen-Ramshad, Y., Vestergaard, A., Oldenburger, F., Visser, J., Koutsouveli, E., Paraskevopoulou, C., Horan, G., Ajithkumar, T., Timmermann, B., Fuentes, C. S., Whitfield, G., Marchant, T., Padovani, L., Garnier, E., Gandola, L., Meroni, S., Hoeben, B. A. W., Kusters, M. & 11 others, Alapetite, C., Losa, S., Goudjil, F., Magelssen, H., Evensen, M. E., Saran, F., Smyth, G., Rombi, B., Righetto, R., Kortmann, R. D. & Janssens, G. O., 2018, In : Acta Oncologica. p. 1-10 10 p.

    Research output: Contribution to journalArticle

  6. 2017
  7. Published

    Iterative peak combination: A robust technique for identifying relevant features in medical image histograms

    D Joshi, K. & Marchant, T., 27 Nov 2017, In : Biomedical Physics & Engineering Express.

    Research output: Contribution to journalArticle

  8. Published

    The approximate entropy concept extended to three dimensions for calibrated, single parameter structural complexity interrogation of volumetric images

    Moore, C. & Marchant, T., 7 Aug 2017, In : Physics in Medicine and Biology. 62, 15, p. 6092-6107 15 p.

    Research output: Contribution to journalArticle

  9. Published

    Shading correction algorithm for cone-beam CT in radiotherapy: extensive clinical validation of image quality improvement

    Joshi, K., Marchant, T. & Moore, C., 9 Mar 2017, Proc. SPIE 10132, Medical Imaging 2017: Physics of Medical Imaging. SPIE, Vol. 10132. p. 101322A1-101322A13 13 p. 101322A

    Research output: Chapter in Book/Report/Conference proceedingChapter

  10. Published

    Shading correction for cone-beam CT in radiotherapy: validation of dose calculation accuracy using clinical images

    Marchant, T., Joshi, K. & Moore, C., 9 Mar 2017, Proc. SPIE 10132, Medical Imaging 2017: Physics of Medical Imaging. SPIE, Vol. 10132. p. 101320J1-101320J11 11 p. 101320J

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

  11. 2016
  12. Published

    Comprehensive Monte Carlo study of patient doses from cone-beam CT imaging in radiotherapy

    Marchant, T. & D Joshi, K., 6 Dec 2016, In : Journal of Radiological Protection. 37, 1, p. 13-30 17 p.

    Research output: Contribution to journalArticle

  13. 2015
  14. Published

    Fast processing of CBCT to improve delivered dose assessment

    Marchant, T., Peroni, M. (ed.), Schlaefer, A. (ed.), Berkfellner, W. (ed.), Gianoli, C. (ed.) & Knopf, A-C. (ed.), Oct 2015, ICART: Imaging and Computer Assistance in Radiation Therapy: A workshop held on Friday 9th October as part of MICCAI 2015 in Munich, Germany. Peroni, M., Schlaefer, A., Berkfellner, W., Gianoli, C. & Knopf, A-C. (eds.). p. 153-160 8 p.

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

  15. Published
  16. Published

    Monte Carlo study of cone beam CT dose variation with patient size

    Marchant, T. & Joshi, K., 24 Apr 2015, p. S516-S517.

    Research output: Contribution to conferencePoster

  17. Published

    Suitability of lung margins following analysis of set up data within a multi-national lung trial

    Marchant, T., Bewley, M., Stratford, J., Chauhan, S., Francis, L. & Faivre-Finn, C., 24 Apr 2015, p. S606-S607.

    Research output: Contribution to conferencePoster

  18. 2012
  19. Published

    A megavoltage scatter correction technique for cone-beam CT images acquired during VMAT delivery

    Boylan, C. J., Marchant, T. E., Stratford, J., Malik, J., Choudhury, A., Shrimali, R., Rodgers, J. & Rowbottom, C. G., 21 Jun 2012, In : Physics in Medicine and Biology. 57, 12, p. 3727-3739 12 p.

    Research output: Contribution to journalArticle

  20. Published

    Quantifying motion for pancreatic radiotherapy margin calculation

    Whitfield, G., Jain, P., Green, M., Watkins, G., Henry, A., Stratford, J., Amer, A., Marchant, T., Moore, C. & Price, P., Jun 2012, In : Radiotherapy and Oncology. 103, 3, p. 360-366 6 p.

    Research output: Contribution to journalArticle

  21. Published

    Monitoring dosimetric impact of weight loss with kilovoltage (KV) cone beam CT (CBCT) during parotid-sparing IMRT and concurrent chemotherapy

    Ho, K. F., Marchant, T., Moore, C., Webster, G., Rowbottom, C., Penington, H., Lee, L., Yap, B., Sykes, A. & Slevin, N., 1 Mar 2012, In : International Journal of Radiation Oncology Biology Physics. 82, 3, p. e375-e382

    Research output: Contribution to journalArticle

  22. Published

    Automatic tracking of implanted fiducial markers in cone beam CT projection images

    Marchant, T. E., Skalski, A. & Matuszewski, B. J., Mar 2012, In : Medical Physics. 39, 3, p. 1322-1334 12 p.

    Research output: Contribution to journalArticle

  23. 2011
  24. Published

    Novel 3D approximate entropy parameter for quality assessment of CT/CBCT images

    Marchant, T. & Moore, C., May 2011, p. S457-S458.

    Research output: Contribution to conferencePoster

  25. Published

    Reduction of motion artefacts in on-board cone beam CT by warping of projection images

    Marchant, T. E., Price, G. J., Matuszewski, B. J. & Moore, C. J., Mar 2011, In : British Journal of Radiology. 84, 999, p. 251-264 13 p.

    Research output: Contribution to journalArticle

  26. Published

    4D cone beam CT phase sorting using high frequency optical surface measurement during image guided radiotherapy

    Price, G. J., Marchant, T. E., Parkhurst, J. M., Sharrock, P. J., Whitfield, G. A. & Moore, C. J., 2011, Progress in Biomedical Optics and Imaging - Proceedings of SPIE|Progr. Biomed. Opt. Imaging Proc. SPIE. Vol. 7961.

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

  27. Published

    Analysis of microscopy and reconstructive images for applications in medicine and biology

    Johnston, G., Burton, D. R., Lilley, F., Doyle, A., Murphy, M. F., Madden, G., Gdeisat, M. A., Moore, C. J., Marchant, T. & Matuszewski, B., 2011, Proceedings - International Conference on Image Processing, ICIP|Proc. Int. Conf. Image Process. ICIP. p. 3069-3072 3 p.

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

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