Dr Tom Marchant 

2012

• Ho, K., Marchant, T., Moore, C., Webster, G., Rowbottom, C., Penington, H., Lee, L., Yap, B., Sykes, A. & Slevin, N (2012). Monitoring Dosimetric Impact of Weight Loss With Kilovoltage (KV) Cone Beam CT (CBCT) During Parotid-Sparing IMRT and Concurrent Chemotherapy. International Journal of Radiation Oncology*Biology*Physics, 82(3), e375-e382. eScholarID:155033 | DOI:10.1016/j.ijrobp.2011.07.004
• Marchant, T., Skalski, A. & Matuszewski, B (2012). Automatic tracking of implanted fiducial markers in cone beam CT projection images. Medical Physics, 39(3), 1322-1334. eScholarID:156146 | DOI:10.1118/1.3684959
• Whitfield, G., Jain, P., Green, M., Watkins, G., Henry, A., Stratford, J., Amer, A., Marchant, T., Moore, C. & Price, P (2012). Quantifying motion for pancreatic radiotherapy margin calculation. Radiotherapy and Oncology, In press, corrected proof., eScholarID:157470 | DOI:10.1016/j.radonc.2012.02.012

2011

• Johnston, G., Burton, D., Lilley, F., Doyle, A., Murphy, M., Madden, G., Gdeisat, M., Moore, C., Marchant, T. & Matuszewski, B (2011). Analysis of microscopy and reconstructive images for applications in medicine and biology. Presented at IEEE International Conference on Image Processing (ICIP), September 2011. Brussels (Belgium). eScholarID:155254 | DOI:10.1109/ICIP.2011.6116313
• Marchant, T. & Moore, C (2011). Novel 3D approximate entropy parameter for quality assessment of CT/CBCT images. Presented at 11th Biennial ESTRO Conference on Physics and Radiation Technology for Clinical Radiotherapy, London, May 2011. eScholarID:155046 | DOI:10.1016/s0167-8140(11)71350-0
• Marchant, T., Murphy, M., Madden, G. & Moore, C (2011). Quantifying structure regularity in fluorescence microscopy cell images using a novel multi-dimensional Approximate Entropy metric. Presented at IEEE International Conference on Image Processing (ICIP), September 2011. Brussels (Belgium). eScholarID:155282 | DOI:10.1109/ICIP.2011.6116317
• Matuszewski, B., Murphy, M., Burton, D., Marchant, T., Moore, C., Histace, A. & Precioso, F (2011). Segmentation of cellular structures in actin tagged fluorescence confocal microscopy images. Presented at IEEE International Conference on Image Processing (ICIP), September 2011. Brussels (Belgium). eScholarID:155284 | DOI:10.1109/ICIP.2011.6116316
• Parkhurst, J., Price, G., Sharrock, P., Marchant, T. & Moore, C (2011). Next Generation Optical Surface Sensing for Real-Time Measurement in Radiotherapy. Presented at International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), August 2011. Boston (USA). eScholarID:155279 | DOI:10.1109/IEMBS.2011.6091524
• Parkhurst, J., Price, G., Sharrock, P., Marchant, T., Jackson, A. & Moore, C (2011). Visual feedback of live optoelectronic body surface measurement for motion and pose management during radiotherapy. Presented at 11th Biennial ESTRO conference on Physics and Radiation Technology for Clinical Radiotherapy, May 2011. London (UK). eScholarID:155289 | DOI:10.1016/S0167-8140(11)70578-3
• Price, G., Marchant, T., Parkhurst, J., Sharrock, P., Whitfield, G. & Moore, C (2011). 4D cone beam CT phase sorting using high frequency optical surface measurement during image guided radiotherapy. Presented at SPIE Medical Imaging, February 2011. Lake Buena Vista (USA). eScholarID:155253 | DOI:10.1117/12.877637
• Whitfield, G., Price, G., Price, P., Stratford, J., Watkins, G., Marchant, T., Jackson, A., Davies, J. & Moore, C (2011). Capabilities and inherent limitations of optical body surface sensing using fourier profilometry. Presented at 11th Biennial ESTRO conference on Physics and Radiation Technology for Clinical Radiotherapy, May 2011. London (UK). eScholarID:155259 | DOI:10.1016/S0167-8140(11)70366-8
• Wood, J., Marchant, T. & Budgell, G (2011). Megavoltage CT from Electronic Portal Imaging of VMAT Deliveries. Presented at UK Radiation Oncology Conference (UKRO), April 2011. Manchester (UK). eScholarID:155293 | DOI:10.1016/j.clon.2011.01.359
• Marchant, T., Price, G., Matuszewski, B. & Moore, C (2011). Reduction of motion artefacts in on-board cone beam CT by warping of projection images. The British Journal of Radiology, 84(999), 251-264. eScholarID:155035 | DOI:10.1259/bjr/90983944

2010

• Chauhan, S., Parker, J., Stratford, J., Duffy, M., Smith, C., Rowbottom, C., Whitehurst, P. & Marchant, T (2010). Frequency and causes of radiotherapy plan modification in response to on-board cone beam computer tomography. Presented at ESTRO 29, September 2010. Barcelona (Spain). eScholarID:155268 | DOI:10.1016/S0167-8140(10)80028-3
• Marchant, T., Price, G., Matuszewski, B. & Moore, C (2010). Augmentation of optical surface using deformable registration for dosimetric assessment in breast radiotherapy. Presented at ESTRO 29, September 2010. Barcelona (Spain). eScholarID:155256 | DOI:10.1016/S0167-8140(10)80071-4
• Matuszewski, B., Marchant, T. & Skalski, A (2010). Marker tracks post-processing for accurate fiducial marker position estimation in cone beam CT projection images. Presented at International Conference on Computer Vision Theory and Applications (VISAPP), May 2010. Angers (France). eScholarID:155276
• Moore, C., Price, G., Marchant, T., Sharrock, P. & Parkhurst, J (2010). Differential processing of structured light projections for dynamic optical body surface sensing during radiation therapy. Presented at IASTED International Conference on Biomedical Engineering (BIOMED), February 2010. Innsbruck (Austria): Acta Press. eScholarID:155265
• Parkhurst, J., Price, G., Marchant, T., Sharrock, P., Jackson, A. & Moore, C (2010). Visualisation of dynamic surface data for a patient display to reduce movement during radiotherapy. Presented at IASTED International Conference on Biomedical Engineering (BIOMED), February 2010. Innsbruck (Austria): Acta Press. eScholarID:155287
• Price, G., Marchant, T., Parkhurst, J., Sharrock, P., Whitfield, G. & Moore, C (2010). Design of, and some clinical experience with, a novel optical surface measurement system in radiotherapy. Presented at SPIE Medical Imaging, February 2010. San Diego (USA). eScholarID:155263 | DOI:10.1117/12.844138
• Qiu, W., Soleimani, M., Mitchell, C., Marchant, T. & Moore, C (2010). Iterative image reconstruction methods in cone beam CT applied to phantom and clinical data. Presented at International Conference on Computer Vision Theory and Applications (VISAPP), May 2010. Angers (France). eScholarID:155273
• Whitfield, G., Price, G., Chauhan, S., Stratford, J., Watkins, G., Marchant, T., Jackson, A., Price, P. & Moore, C (2010). Accuracy of setup measurement by kV cone beam CT and orthogonal imaging in a study of optical sensor setup measurement. Presented at ESTRO 29, September 2010. Barcelona (Spain). eScholarID:155255 | DOI:10.1016/S0167-8140(10)80077-5
• Qiu, W., Tong, J., Mitchell, C., Marchant, T., Spencer, P., Moore, C. & Soleimani, M (2010). New iterative cone beam CT reconstruction software: Parameter optimisation and convergence study. Computer Methods and Programs in Biomedicine, 100(2), 166-174. eScholarID:155036 | DOI:10.1016/j.cmpb.2010.03.012

2009

• Marchant, T., Price, G., Matuszewski, B. & Moore, C (2009). Motion Correction in Cone Beam CT (CBCT) by Projection Image Warping. Presented at UK Radiation Oncology Conference (UKRO), April 2009. Cardiff (UK). eScholarID:155277 | DOI:10.1016/j.clon.2009.01.001
• Marchant, T., Price, G., Sharrock, P. & Moore, C (2009). Synchronization of real-time optical surface sensing with cone beam CT acquisition for image guided radiotherapy. Presented at Computer Assisted Radiology and Surgery (CARS), June 2009. Berlin (Germany). eScholarID:155290 | DOI:10.1007/s11548-009-0309-y
• Marchant, T., Rowbottom, C. & Moore, C (2009). Image Quality of On-board Cone-beam CT Acquired during VMAT Delivery. Presented at ASTRO Annual Meeting, November 2009. Chicago (USA). eScholarID:155270 | DOI:10.1016/j.ijrobp.2009.07.239
• Moore, C., Price, G., Marchant, T. & Sharrock, P (2009). Simultaneous body surface reconstruction and corresponding skin feature recovery during radiotherapy using Fourier profilometry. Presented at Computer Assisted Radiology and Surgery (CARS), June 2009. Berlin (Germany). eScholarID:155285 | DOI:10.1007/s11548-009-0309-y
• Price, G., Moore, C., Marchant, T. & Sharrock, P (2009). A novel approach to measurement of patient motion during radiotherapy treatment delivery using an optical surface sensor. Presented at Computer Assisted Radiology and Surgery (CARS), June 2009. Berlin (Germany). eScholarID:155251 | DOI:10.1007/s11548-009-0309-y
• Purser, N., Rowbottom, C. & Marchant, T (2009). Application of correction software to CBCT images in IGRT treatment for lung carcinoma, enabling direct dose calculation. Presented at IPEM Medical Physics and Engineering Conference, September 2009. Liverpool (UK). eScholarID:155258
• Sripadam, R., Stratford, J., Duffy, M., Marchant, T., Amer, A., Moore, C. & Price, P (2009). Combined use of Bellyboard and IMRT Results in Maximal Small Bowel Sparing in Rectal Cancer Radiotherapy. Presented at ASTRO Annual Meeting, November 2009. Chicago (USA). eScholarID:155260 | DOI:10.1016/j.ijrobp.2009.07.672
• Jain, P., Marchant, T., Green, M., Watkins, G., Davies, J., McCarthy, C., Loncaster, J., Stewart, A., Magee, B., Moore, C. & Price, P (2009). Inter-fraction motion and dosimetric consequences during breast intensity-modulated radiotherapy (IMRT). Radiotherapy and Oncology, 90(1), 93-98. eScholarID:155029 | DOI:10.1016/j.radonc.2008.10.010
• Price, G., Sharrock, P., Marchant, T., Parkhurst, J., Burton, D., Jain, P., Price, P. & Moore, C (2009). An analysis of breast motion using high-frequency, dense surface points captured by an optical sensor during radiotherapy treatment delivery. Physics in Medicine and Biology, 54(21), 6515-6533. eScholarID:155032 | DOI:10.1088/0031-9155/54/21/005

2008

• Diffey, J., Hufton, A., Beeston, C., Smith, J., Marchant, T. & Astley, S (2008). Quantifying Breast Thickness for Density Measurement. Presented at International Workshop on Digital Mammography (IWDM), July 2008. Tucson (USA). eScholarID:155296 | DOI:10.1007/978-3-540-70538-3_90
• Ho, K., Marchant, T., Moore, C., Webster, G., Rowbottom, C., Lee, L., Yap, B., Sykes, A. & Slevin, N (2008). Monitoring dosimetric impact of weight loss with kilo-voltage (kV) cone beam CT (CBCT) during parotid sparing IMRT and concurrent chemotherapy. Presented at ESTRO 27, September 2008. Gothenburg (Sweden). eScholarID:155275 | DOI:10.1016/S0167-8140(08)80045-X
• Jain, P., Marchant, T., Davies, J., Duffy, M., Watkins, G., Burt, P., Faivre-Finn, C., Harris, M., Stout, R., Moore, C. & Price, P (2008). Determining internal target volume (ITV) for mobile lung tumours: 2-D kilovoltage (kV) fluoroscopy, 3D or 4D cone-beam CT (CBCT)?. Presented at 6th Annual British Thoracic Oncology Group Meeting, January 2008. Dublin (Ireland). eScholarID:155264 | DOI:10.1016/S0169-5002(08)70088-6
• Rowbottom, C., Marchant, T. & Moore, C (2008). Dose Calculation On Cone-Beam Scans: A Correction Algorithm for Improved Dosimetry. Presented at AAPM 50th Annual Meeting, July 2008. Houston (USA). eScholarID:155298 | DOI:10.1118/1.2962252
• Marchant, T., Amer, A. & Moore, C (2008). Measurement of inter and intra fraction organ motion in radiotherapy using cone beam CT projection images. Physics in Medicine and Biology, 53(4), 1087-1098. eScholarID:155031 | DOI:10.1088/0031-9155/53/4/018
• Marchant, T., Moore, C., Rowbottom, C., MacKay, R. & Williams, P (2008). Shading correction algorithm for improvement of cone-beam CT images in radiotherapy. Physics in Medicine and Biology, 53(20), 5719-5733. eScholarID:155038 | DOI:10.1088/0031-9155/53/20/010

2007

• Hufton, A., Astley, S., Diffey, J., Marchant, T., Beeston, C., Patel, H., Harvie, M., Howell, A., Warren, R. & Boggis, C (2007). Development and testing of a step-wedge based method for the volumetric measurement of breast density. Presented at 3rd International Workshop on Breast Densitometry and the 1st International Workshop on Mammography-based Assessment of Breast Cancer Risk, April 2007. San Francisco (USA). eScholarID:155262
• Jain, P., Marchant, T., Davies, J., Duffy, M., Burt, P., Faivre-Finn, C., Harris, M., Stout, R., Moore, C. & Price, P (2007). X-ray volumetric imaging (XVI) to quantitate the dosimetric impact of the uncertainties during radical radiotherapy (RT) of non small cell lung cancers. Presented at 5th Annual British Thoracic Oncology Group Meeting, January 2007. London (UK). eScholarID:155288 | DOI:10.1016/S0169-5002(07)70352-5
• Marchant, T (2007). Evaluation of bow-tie filter for Elekta CBCT imaging system. Presented at Tomographic Image Guided Radiotherapy (BIR/IPEM Meeting), November 2007. London (UK). eScholarID:155269
• Marchant, T., Moore, C., Rowbottom, C., Mackay, R. & Williams, P (2007). Image-guided radiotherapy workflow for dose based patient verification using cone-beam CT scans. Presented at 9th Biennial ESTRO Meeting on Physics and Radation Technology for Clinical Radiotherapy, September 2007. Barcelona, Spain. eScholarID:155291 | DOI:10.1016/S0167-8140(07)80286-6
• Price, G., Price, G., Marchant, T. & Moore, C (2007). A case study highlighting the benefits of a novel three dimensional evidence driven, shape model supported, segmentation algorithm. Presented at IEEE International Conference on Medical Information Visualisation (MediVis), July 2007. Zurich (Switzerland): IEEE. eScholarID:155252 | DOI:DOI: 10.1109/MEDIVIS.2007.1
• Sripadam, R., Amer, A., Marchant, T., Stratford, J., McCarthy, C., Faivre-Finn, C., Moore, C. & Price, P (2007). Optimal Planning and Delivery of Radiotherapy for Oesophago-gastric Junction (OGJ) Cancers. Presented at UK Radiation Oncology Conference (UKRO), March 2007. Endinburgh (UK). eScholarID:155281 | DOI:10.1016/j.clon.2007.01.303
• Sripadam, R., Amer, A., Marchant, T., Stratford, J., McCarthy, C., Faivre-Finn, C., Moore, C. & Price, P (2007). Respiratory Intrafraction Motion is an Important Source of Error in Radiotherapy to Oesophago-gastric Junction (OGJ) Cancers. Presented at ASTRO 49th Annual Meeting, October 2007. Los Angeles (USA). eScholarID:155283 | DOI:10.1016/j.ijrobp.2007.07.1312
• Amer, A., Marchant, T., Sykes, J., Czajka, J. & Moore, C (2007). Imaging doses from the Elekta Synergy X-ray cone beam CT system. The British Journal of Radiology, 80(954), 476-482. eScholarID:155027 | DOI:10.1259/bjr/80446730

2006

• Jain, P., Marchant, T., Baker, S., Davies, J., McCarthy, C., Loncaster, J., Stewart, A., Magee, B., Moore, C. & Price, P (2006). Inter-fraction variation in positioning has an impact on breast IMRT dose distribution. Presented at ASTRO 48th Annual Meeting, November 2006. Philadelphia (USA). eScholarID:155271 | DOI:10.1016/j.ijrobp.2006.07.1163
• Marchant, T., Amer, A., Burridge, N., McCarthy, C. & Stratford, J (2006). Adaptive Radiotherapy (Invited teaching lecture). Presented at ESTRO 25, October 2006. Leipzig (Germany). eScholarID:155250
• Marchant, T., Jain, P., Baker, S., Davies, J. & Moore, C (2006). Effect of inter-fraction breast position and shape changes on breast IMRT dose distribution. Presented at ESTRO 25, October 2006. Leipzig (Germany). eScholarID:155266 | DOI:10.1016/S0167-8140(06)81019-4
• Patel, H., Astley, S., Hufton, A., Harvie, M., Hagan, K., Marchant, T., Hillier, V., Howell, A., Warren, R. & Boggis, C (2006). Automated Breast Tissue Measurement of Women at Increased Risk of Breast Cancer. Presented at 8th International Workshop on Digital Mammography (IWDM), June 2006. Manchester (UK). eScholarID:155257 | DOI:10.1007/11783237_19
• Sripadam, R., Amer, A., Marchant, T., Stratford, J., McCarthy, C., Faivre-Finn, C., Moore, C. & Price, P (2006). Verification kilovoltage cone beam CT (CBCT) in monitoring delivered doses and dose guided radiotherapy in oesophago-gastric cancers. Presented at ESTRO 25, October 2006. Leipzig (Germany). eScholarID:155286 | DOI:10.1016/S0167-8140(06)81019-4
• Sripadam, R., Amer, A., Marchant, T., Stratford, J., McCarthy, C., Faivre-Finn, C., Moore, C. & Price, P (2006). Verification kilovoltage cone beam CT (CBCT)-A new technique for monitoring delivered doses during radiotherapy. Presented at NCRI Annual Meeting, October 2006. Birmingham (UK). eScholarID:155299
• Burridge, N., Amer, A., Marchant, T., Sykes, J., Stratford, J., Henry, A., McBain, C., Price, P. & Moore, C (2006). Online adaptive radiotherapy of the bladder: Small bowel irradiated-volume reduction. International Journal of Radiation Oncology*Biology*Physics, 66(3), 892. eScholarID:155037 | DOI:10.1016/j.ijrobp.2006.07.013
• Henry, A., Stratford, J., McCarthy, C., Davies, J., Sykes, J., Amer, A., Marchant, T., Cowan, R., Wylie, J. & Logue, J (2006). X-ray volume imaging in bladder radiotherapy verification. International Journal of Radiation Oncology*Biology*Physics, 64(4), 1174. eScholarID:155039 | DOI:10.1016/j.ijrobp.2005.09.044
• McBain, C., Henry, A., Sykes, J., Amer, A., Marchant, T., Moore, C., Davies, J., Stratford, J., McCarthy, C. & Porritt, B (2006). X-ray volumetric imaging in image-guided radiotherapy: The new standard in on-treatment imaging. International Journal of Radiation Oncology*Biology*Physics, 64(2), 625. eScholarID:155040 | DOI:10.1016/j.ijrobp.2005.09.018
• Moore, C., Amer, A., Marchant, T., Sykes, J., Davies, J., Stratford, J., McCarthy, C., MacBain, C., Henry, A., Price, P. & Williams, P (2006). Developments in and experience of kilovoltage X-ray cone beam image-guided radiotherapy. The British Journal of Radiology, 79(Special Issue 1), S66. eScholarID:155030 | DOI:10.1259/bjr/68255935
• Moore, C., Marchant, T. & Amer, A (2006). Cone beam CT with zonal filters for simultaneous dose reduction, improved target contrast and automated set-up in radiotherapy. Physics in Medicine and Biology, 51(9), 2191. eScholarID:155034 | DOI:10.1088/0031-9155/51/9/005

2005

• Amer, A., Marchant, T., Sykes, J., Czajka, J. & Moore, C (2005). Patient doses from image guided radiotherapy using Elekta Synergy. Presented at 8th Biennial ESTRO Meeting on Physics and Radiation Technology for Clinical Radiotherapy, September 2005. Lisbon (Portugal). eScholarID:155280 | DOI:10.1016/S0167-8140(05)81345-3
• Amer, A., Marchant, T., Sykes, J., Czajka, J., Davies, J., Stratford, J., McCarthy, C., Henry, A., McBain, C. & Moore, C (2005). Doses from cone beam CT integrated to a radiotherapy treatment machine. Presented at UK Radiation Oncology Conference (UKRO), April 2005. York (UK). eScholarID:155267 | DOI:10.1016/j.clon.2005.01.006
• Burridge, N., Amer, A., Marchant, T., Sykes, J., Davies, J., Henry, A., McBain, C. & Moore, C (2005). Margins for on-line bladder cancer adaptive radiotherapy. Presented at UK Radiation Oncology Conference (UKRO), April 2005. York (UK). eScholarID:155274 | DOI:10.1016/j.clon.2005.01.006
• Marchant, T., Amer, A., Moore, C. & Stratford, J (2005). Comparison of set up errors measured in 2D and 3D using EPI and cone beam CT. Presented at 8th Biennial ESTRO Meeting on Physics and Radiation Technology for Clinical Radiotherapy, September 2005. Lisbon (Portugal). eScholarID:155261 | DOI:10.1016/S0167-8140(05)81251-4
• Marchant, T., Sykes, J., Amer, A., Moore, C. & Stratford, J (2005). Measurement of set-up error using 3D image registration of cone-beam CT to conventional CT. Presented at UK Radiation Oncology Conference (UKRO), April 2005. York (UK). eScholarID:155295 | DOI:10.1016/j.clon.2005.01.006
• Moore, C., Marchant, T., Amer, A., Sykes, J., Davies, J., Stratford, J. & Henry, A (2005). Low Dose, Low Scatter ‘Zonal’ Cone Beam Imaging For Patient Set-Up & Improved Target Contrast. Presented at UK Radiation Oncology Conference (UKRO), April 2005. York (UK). eScholarID:155278 | DOI:10.1016/j.clon.2005.01.006
• Stratford, J., Henry, A., Sykes, J., Marchant, T., Amer, A., Davies, J., McCarthy, C., Logue, J. & Price, P (2005). X-ray volumetric imaging of rectal volume during prostate radiotherapy. Presented at UK Radiation Oncology Conference (UKRO), April 2005. York (UK). eScholarID:155297 | DOI:10.1016/j.clon.2005.01.006

2004

• Amer, A., Marchant, T., Sykes, J., Henry, A., Mcbain, C. & Moore, C (2004). The Potential Of X-Ray Volume Imaging In Adaptive Radiotherapy To Reduce The Small Bowel High Dose Volume In Bladder Cancer Treatment. Presented at ESTRO 23, October 2004. Amsterdam (Netherlands). eScholarID:155325 | DOI:10.1016/S0167-8140(04)82381-8
• Beck, J., Sykes, J., Amer, A., Marchant, T., Sharrock, P., Stratford, J., Davies, J., Henry, A. & Moore, C (2004). Precision of Prostate translation and rotation measurement from 3D marker localisation using orthogonal EPID images. Presented at ESTRO 23, October 2004. Amsterdam (Netherlands). eScholarID:155324 | DOI:10.1016/S0167-8140(04)82368-5
• Marchant, T., Sykes, J., Amer, A., Moore, C., Stratford, J., McCarthy, C. & Henry, A (2004). Measurement of set-up error using image registration of X-ray Volume Images (XVI) and Treatment Planning CT. Presented at ESTRO 23, October 2004. Amsterdam (Netherlands). eScholarID:155294 | DOI:10.1016/S0167-8140(04)82378-8
• Moore, C., Marchant, T., Amer, A., Sykes, J. & Henry, A (2004). Zonal X-Ray Volume Imaging. Presented at ESTRO 23, October 2004. Amsterdam (Netherlands). eScholarID:155292 | DOI:10.1016/S0167-8140(04)81979-0