Autosegmentation of the rectum on megavoltage image guidance scans

LEA Shelley, MPF Sutcliffe, K Harrison… - Biomedical Physics …, 2019 - iopscience.iop.org
Autosegmentation of image guidance (IG) scans is crucial for streamlining and optimising
delivered dose calculation in radiotherapy. By accounting for interfraction motion, daily …

Combining prior day contours to improve automated prostate segmentation

A Godley, LJ Sheplan Olsen, K Stephans… - Medical …, 2013 - Wiley Online Library
Purpose: To improve the accuracy of automatically segmented prostate, rectum, and bladder
contours required for online adaptive therapy. The contouring accuracy on the current image …

Feature‐based rectal contour propagation from planning CT to cone beam CT

Y Xie, M Chao, P Lee, L Xing - Medical physics, 2008 - Wiley Online Library
The purpose of this work is to develop a novel feature‐based registration strategy to
automatically map the rectal contours from planning computed tomography (CT)(pCT) to …

Integrated segmentation and nonrigid registration for application in prostate image-guided radiotherapy

C Lu, S Chelikani, Z Chen, X Papademetris… - … Conference on Medical …, 2010 - Springer
Many current image-guided radiotherapy (IGRT) systems incorporate an in-room cone-beam
CT (CBCT) with a radiotherapy linear accelerator for treatment day imaging. Segmentation …

SU‐GG‐T‐20: GPU‐Accelerated Auto‐Segmentation for Online Adaptive Radiotherapy

A Godley, C Peng, E Ahunbay, X Li - Medical physics, 2010 - Wiley Online Library
Purpose: Accurate and fast delineation of targets and normal structures based on daily CTs
is critical for online adaptive radiotherapy (ART). Manual contouring generally takes too long …

Vision 20/20: perspectives on automated image segmentation for radiotherapy

G Sharp, KD Fritscher, V Pekar, M Peroni… - Medical …, 2014 - Wiley Online Library
Due to rapid advances in radiation therapy (RT), especially image guidance and treatment
adaptation, a fast and accurate segmentation of medical images is a very important part of …

Autosegmentation of images in radiation oncology

EL Chaney, SM Pizer - Journal of the American College of Radiology, 2009 - jacr.org
It is likely that segmentation for medical purposes is performed more often for radiation
therapy than for all other medical applications combined. Segmentation here refers to …

Auto-propagation of contours for adaptive prostate radiation therapy

M Chao, Y Xie, L Xing - Physics in Medicine & Biology, 2008 - iopscience.iop.org
The purpose of this work is to develop an effective technique to automatically propagate
contours from planning CT to cone beam CT (CBCT) to facilitate CBCT-guided prostate …

Accuracy of manual and automated rectal contours using helical tomotherapy image guidance scans during prostate radiotherapy.

JE Scaife, K Harrison, A Drew, X Cai, J Lee… - 2015 - ascopubs.org
94 Background: Prostate radiotherapy can be delivered using daily image-guided helical
tomotherapy. Previous work has shown that contouring the rectum on the kV planning CT …

Patient-specific neural networks for contour propagation in online adaptive radiotherapy

A Smolders, A Lomax, DC Weber… - Physics in Medicine & …, 2023 - iopscience.iop.org
Objective. fast and accurate contouring of daily 3D images is a prerequisite for online
adaptive radiotherapy. Current automatic techniques rely either on contour propagation with …