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Radiation therapy (RT) is essential in treating head and neck cancer (HNC), with magnetic resonance imaging(MRI)-guided RT offering superior soft tissue contrast and functional imaging. However, manual tumor segmentation is time-consuming…

Image and Video Processing · Electrical Eng. & Systems 2024-11-25 Nikoo Moradi , André Ferreira , Behrus Puladi , Jens Kleesiek , Emad Fatemizadeh , Gijs Luijten , Victor Alves , Jan Egger

Accurate segmentation of organ at risk (OAR) play a critical role in the treatment planning of image guided radiation treatment of head and neck cancer. This segmentation task is challenging for both human and automatic algorithms because…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Yueyue Wang , Liang Zhao , Zhijian Song , Manning Wang

Purpose: To present a high-performing, robust, and flexible deep learning pipeline for automatic segmentation of 30 organs-at-risk (OARs) in head and neck (H&N) cancer patients, using MRI, CT, or both. Method: We trained a segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-09-08 Sébastien Quetin , Andrew Heschl , Mauricio Murillo , Rohit Murali , Piotr Pater , George Shenouda , Shirin A. Enger , Farhad Maleki

Automatic segmentation of organs-at-risk (OAR) in computed tomography (CT) is an essential part of planning effective treatment strategies to combat lung and esophageal cancer. Accurate segmentation of organs surrounding tumours helps…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Sulaiman Vesal , Nishant Ravikumar , Andreas Maier

Accurate organ at risk (OAR) segmentation is critical to reduce the radiotherapy post-treatment complications. Consensus guidelines recommend a set of more than 40 OARs in the head and neck (H&N) region, however, due to the predictable…

This paper deals with segmentation of organs at risk (OAR) in head and neck area in CT images which is a crucial step for reliable intensity modulated radiotherapy treatment. We introduce a convolution neural network with encoder-decoder…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Oldřich Kodym , Michal Španěl , Adam Herout

Organ at risk (OAR) segmentation is a crucial step for treatment planning and outcome determination in radiotherapy treatments of cancer patients. Several deep learning based segmentation algorithms have been developed in recent years,…

Image and Video Processing · Electrical Eng. & Systems 2022-02-07 Ilkin Isler , Curtis Lisle , Justin Rineer , Patrick Kelly , Damla Turgut , Jacob Ricci , Ulas Bagci

Deep learning presents novel opportunities for the auto-segmentation of gross tumor volume (GTV) in head and neck cancer (HNC), yet fully automatic methods usually necessitate significant manual refinement. This study investigates the…

Medical Physics · Physics 2025-01-03 Jintao Ren , Mathis Rasmussen , Jasper Nijkamp , Jesper Grau Eriksen , Stine Korreman

For Head and Neck Cancers (HNC) patient management, automatic gross tumor volume (GTV) segmentation and accurate pre-treatment cancer recurrence prediction are of great importance to assist physicians in designing personalized management…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Kai Wang , Yunxiang Li , Michael Dohopolski , Tao Peng , Weiguo Lu , You Zhang , Jing Wang

In this paper, we propose an end-to-end deep neural network for solving the problem of imbalanced large and small organ segmentation in head and neck (HaN) CT images. To conduct radiotherapy planning for nasopharyngeal cancer, more than 10…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Yunhe Gao , Rui Huang , Ming Chen , Zhe Wang , Jincheng Deng , Yuanyuan Chen , Yiwei Yang , Jie Zhang , Chanjuan Tao , Hongsheng Li

Tumor segmentation is a fundamental step for radiotherapy treatment planning. To define an accurate segmentation of the primary tumor (GTVp) of oropharyngeal cancer patients (OPC), simultaneous assessment of different image modalities is…

Image and Video Processing · Electrical Eng. & Systems 2023-03-08 Alessia De Biase , Nanna Maria Sijtsema , Lisanne van Dijk , Johannes A. Langendijk , Peter van Ooijen

Tumor volume segmentation on MRI is a challenging and time-consuming process that is performed manually in typical clinical settings. This work presents an approach to automated delineation of head and neck tumors on MRI scans, developed in…

Image and Video Processing · Electrical Eng. & Systems 2025-01-10 Andrei Iantsen

An automatic segmentation algorithm for delineation of the gross tumour volume and pathologic lymph nodes of head and neck cancers in PET/CT images is described. The proposed algorithm is based on a convolutional neural network using the…

Image and Video Processing · Electrical Eng. & Systems 2019-08-05 Yngve Mardal Moe , Aurora Rosvoll Groendahl , Martine Mulstad , Oliver Tomic , Ulf Indahl , Einar Dale , Eirik Malinen , Cecilia Marie Futsaether

In this paper we present a method for simultaneously segmenting brain tumors and an extensive set of organs-at-risk for radiation therapy planning of glioblastomas. The method combines a contrast-adaptive generative model for whole-brain…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Mikael Agn , Per Munck af Rosenschöld , Oula Puonti , Michael J. Lundemann , Laura Mancini , Anastasia Papadaki , Steffi Thust , John Ashburner , Ian Law , Koen Van Leemput

With nearly one million new cases diagnosed worldwide in 2020, head \& neck cancer is a deadly and common malignity. There are challenges to decision making and treatment of such cancer, due to lesions in multiple locations and outcome…

Image and Video Processing · Electrical Eng. & Systems 2023-05-17 Angel Victor Juanco Muller , Joao F. C. Mota , Keith A. Goatman , Corne Hoogendoorn

Accurate detection of brain tumors could save lots of lives and increasing the accuracy of this binary classification even as much as a few percent has high importance. Neural Gas Networks (NGN) is a fast, unsupervised algorithm that could…

Image and Video Processing · Electrical Eng. & Systems 2023-01-31 S. Muhammad Hossein Mousavi

Stereotactic radiosurgery is a minimally-invasive treatment option for a large number of patients with intracranial tumors. As part of the therapy treatment, accurate delineation of brain tumors is of great importance. However,…

The diagnosis and segmentation of tumors using any medical diagnostic tool can be challenging due to the varying nature of this pathology. Magnetic Reso- nance Imaging (MRI) is an established diagnostic tool for various diseases and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi

The brain is a complex organ controlling cognitive process and physical functions. Tumors in the brain are accelerated cell growths affecting the normal function and processes in the brain. MRI scans provides detailed images of the body…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Miriam Zulema Jacobo , Jose Mejia

Planning of radiotherapy involves accurate segmentation of a large number of organs at risk, i.e. organs for which irradiation doses should be minimized to avoid important side effects of the therapy. We propose a deep learning method for…

Image and Video Processing · Electrical Eng. & Systems 2019-07-04 Pawel Mlynarski , Hervé Delingette , Hamza Alghamdi , Pierre-Yves Bondiau , Nicholas Ayache