User profiles for Xavier Geets

Xavier Geets

UCLouvain
Verified email at uclouvain.be
Cited by 4467

A gradient-based method for segmenting FDG-PET images: methodology and validation

X Geets, JA Lee, A Bol, M Lonneux… - European journal of …, 2007 - Springer
Purpose A new gradient-based method for segmenting FDG-PET images is described and
validated. Methods The proposed method relies on the watershed transform and hierarchical …

Assessment by a deformable registration method of the volumetric and positional changes of target volumes and organs at risk in pharyngo-laryngeal tumors treated …

P Castadot, X Geets, JA Lee, N Christian… - Radiotherapy and …, 2010 - Elsevier
PURPOSE: Anatomic changes occur during radiation therapy (RT) for head and neck (H&N)
tumors. This study aims at quantifying the volumetric and positional changes of gross tumor …

Radiomics applied to lung cancer: a review

…, T Pieters, B Ghaye, X Geets - Translational Cancer …, 2016 - tcr.amegroups.org
Lung cancers exhibit strong phenotypic differences that can be visualized noninvasively by
medical imaging. Radiomics, a concept introduced in 2012, refers to the comprehensive …

[HTML][HTML] Automated detection and segmentation of non-small cell lung cancer computed tomography images

…, A Lenaers, J Wu, R Monshouwer, X Geets… - Nature …, 2022 - nature.com
Detection and segmentation of abnormalities on medical images is highly important for
patient management including diagnosis, radiotherapy, response evaluation, as well as for …

Adaptive radiotherapy of head and neck cancer

P Castadot, JA Lee, X Geets, V Grégoire - Seminars in radiation oncology, 2010 - Elsevier
Intensity-modulated radiation therapy (IMRT) in head and neck (H&N) cancer has the capability
to generate steep dose gradients, leading to an improved therapeutic index. IMRT plans …

PET-based treatment planning in radiotherapy: a new standard?

V Grégoire, K Haustermans, X Geets… - Journal of Nuclear …, 2007 - Soc Nuclear Med
Molecular imaging, in particular, PET, has brought an additional dimension to management
for patients with cancer. F-FDG, which is the most widely available tracer, has been shown to …

Comparison of 12 deformable registration strategies in adaptive radiation therapy for the treatment of head and neck tumors

P Castadot, JA Lee, A Parraga, X Geets, B Macq… - Radiotherapy and …, 2008 - Elsevier
BACKGROUND AND PURPOSE: Weight loss, tumor shrinkage, and tissue edema induce
substantial modification of patient’s anatomy during head and neck (HN) radiotherapy (RT) or …

Inter-observer variability in the delineation of pharyngo-laryngeal tumor, parotid glands and cervical spinal cord: comparison between CT-scan and MRI

X Geets, JF Daisne, S Arcangeli, E Coche… - Radiotherapy and …, 2005 - Elsevier
BACKGROUND AND PURPOSE: The goal of this study was to compare the inter-observer
variability between CT and MRI for the delineation of pharyngo-laryngeal SCC, parotid glands …

Classification and evaluation strategies of auto‐segmentation approaches for PET: Report of AAPM task group No. 211

…, E De Bernardi, W Lu, S Das, X Geets… - Medical …, 2017 - Wiley Online Library
Purpose The purpose of this educational report is to provide an overview of the present state‐of‐the‐art
PET auto‐segmentation ( PET ‐ AS ) algorithms and their respective validation, …

Three‐dimensional dose prediction for lung IMRT patients with deep neural networks: robust learning from heterogeneous beam configurations

…, W Lu, MH Lin, R Norouzi‐Kandalan, X Geets… - Medical …, 2019 - Wiley Online Library
Purpose The use of neural networks to directly predict three‐dimensional dose distributions
for automatic planning is becoming popular. However, the existing methods use only patient …