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Radiation therapy (RT) is a vital part of treatment for head and neck cancer, where accurate segmentation of gross tumor volume (GTV) is essential for effective treatment planning. This study investigates the use of pre-RT tumor regions and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jintao Ren , Kim Hochreuter , Mathis Ersted Rasmussen , Jesper Folsted Kallehauge , Stine Sofia Korreman

Head and neck tumors and metastatic lymph nodes are crucial for treatment planning and prognostic analysis. Accurate segmentation and quantitative analysis of these structures require pixel-level annotation, making automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-01 Litingyu Wang , Wenjun Liao , Shichuan Zhang , Guotai Wang

The superior soft tissue differentiation provided by MRI may enable more accurate tumor segmentation compared to CT and PET, potentially enhancing adaptive radiotherapy treatment planning. The Head and Neck Tumor Segmentation for MR-Guided…

Radiation therapy is a primary and effective NasoPharyngeal Carcinoma (NPC) treatment strategy. The precise delineation of Gross Tumor Volumes (GTVs) and Organs-At-Risk (OARs) is crucial in radiation treatment, directly impacting patient…

Target segmentation in CT images of Head&Neck (H&N) region is challenging due to low contrast between adjacent soft tissue. The SegRap 2023 challenge has been focused on benchmarking the segmentation algorithms of Nasopharyngeal Carcinoma…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Mehdi Astaraki , Simone Bendazzoli , Iuliana Toma-Dasu

Cancer is one of the leading causes of death worldwide, and head and neck (H&N) cancer is amongst the most prevalent types. Positron emission tomography and computed tomography are used to detect, segment and quantify the tumor region.…

Image and Video Processing · Electrical Eng. & Systems 2022-05-13 Ikboljon Sobirov , Otabek Nazarov , Hussain Alasmawi , Mohammad Yaqub

Accurate segmentation of gross tumor volume (GTV) is essential for effective MRI-guided adaptive radiotherapy (MRgART) in head and neck cancer. However, manual segmentation of the GTV over the course of therapy is time-consuming and prone…

Image and Video Processing · Electrical Eng. & Systems 2024-12-03 Xin Tie , Weijie Chen , Zachary Huemann , Brayden Schott , Nuohao Liu , Tyler J. Bradshaw

Over half a million individuals are diagnosed with head and neck cancer each year worldwide. Radiotherapy is an important curative treatment for this disease, but it requires manual time consuming delineation of radio-sensitive organs at…

Segmentation of head and neck (H\&N) tumours and prediction of patient outcome are crucial for patient's disease diagnosis and treatment monitoring. Current developments of robust deep learning models are hindered by the lack of large…

Image and Video Processing · Electrical Eng. & Systems 2021-11-09 Emmanuelle Bourigault , Daniel R. McGowan , Abolfazl Mehranian , Bartłomiej W. Papież

Nasopharyngeal Carcinoma (NPC) is a leading form of Head-and-Neck (HAN) cancer in the Arctic, China, Southeast Asia, and the Middle East/North Africa. Accurate segmentation of Organs-at-Risk (OAR) from Computed Tomography (CT) images with…

Image and Video Processing · Electrical Eng. & Systems 2021-02-04 Wenhui Lei , Haochen Mei , Zhengwentai Sun , Shan Ye , Ran Gu , Huan Wang , Rui Huang , Shichuan Zhang , Shaoting Zhang , Guotai Wang

Segmentation of regions of interest in images of patients, is a crucial step in many medical procedures. Deep neural networks have proven to be particularly adept at this task. However, a key question is what type of deep neural network to…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Vangelis Kostoulas , Peter A. N. Bosman , Tanja Alderliesten

Cancer is one of the most life-threatening diseases worldwide, and head and neck (H&N) cancer is a prevalent type with hundreds of thousands of new cases recorded each year. Clinicians use medical imaging modalities such as computed…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Ikboljon Sobirov

Accurate segmentation of organs at risk in the head and neck is essential for radiation therapy, yet deep learning models often fail on small, complexly shaped organs. While hybrid architectures that combine different models show promise,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-09 Xiaoyu Liu , Siwen Wei , Linhao Qu , Mingyuan Pan , Chengsheng Zhang , Yonghong Shi , Zhijian Song

Magnetic Resonance Imaging (MRI) plays a crucial role in MRI-guided adaptive radiotherapy for head and neck cancer (HNC) due to its superior soft-tissue contrast. However, accurately segmenting the gross tumor volume (GTV), which includes…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Jintao Ren , Kim Hochreuter , Jesper Folsted Kallehauge , Stine Sofia Korreman

Radiotherapy is the main treatment modality for nasopharynx cancer. Delineation of Gross Target Volume (GTV) from medical images such as CT and MRI images is a prerequisite for radiotherapy. As manual delineation is time-consuming and…

Image and Video Processing · Electrical Eng. & Systems 2021-01-28 Haochen Mei , Wenhui Lei , Ran Gu , Shan Ye , Zhengwentai Sun , Shichuan Zhang , Guotai Wang

Radiotherapy is a treatment where radiation is used to eliminate cancer cells. The delineation of organs-at-risk (OARs) is a vital step in radiotherapy treatment planning to avoid damage to healthy organs. For nasopharyngeal cancer, more…

Image and Video Processing · Electrical Eng. & Systems 2021-04-06 Yunhe Gao , Rui Huang , Yiwei Yang , Jie Zhang , Kainan Shao , Changjuan Tao , Yuanyuan Chen , Dimitris N. Metaxas , Hongsheng Li , Ming Chen

OAR segmentation is a critical step in radiotherapy of head and neck (H&N) cancer, where inconsistencies across radiation oncologists and prohibitive labor costs motivate automated approaches. However, leading methods using standard fully…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Dazhou Guo , Dakai Jin , Zhuotun Zhu , Tsung-Ying Ho , Adam P. Harrison , Chun-Hung Chao , Jing Xiao , Alan Yuille , Chien-Yu Lin , Le Lu

Radiation therapy (RT) is widely employed in the clinic for the treatment of head and neck (HaN) cancers. An essential step of RT planning is the accurate segmentation of various organs-at-risks (OARs) in HaN CT images. Nevertheless,…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Zijie Chen , Cheng Li , Junjun He , Jin Ye , Diping Song , Shanshan Wang , Lixu Gu , Yu Qiao

Automatic segmentation of head and neck tumors plays an important role in radiomics analysis. In this short paper, we propose an automatic segmentation method for head and neck tumors from PET and CT images based on the combination of…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Jun Ma , Xiaoping Yang
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