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相关论文: Gradient Map-Assisted Head and Neck Tumor Segmenta…

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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…

图像与视频处理 · 电气工程与系统科学 2024-12-03 Xin Tie , Weijie Chen , Zachary Huemann , Brayden Schott , Nuohao Liu , Tyler J. Bradshaw

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…

图像与视频处理 · 电气工程与系统科学 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 (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…

图像与视频处理 · 电气工程与系统科学 2024-11-25 Nikoo Moradi , André Ferreira , Behrus Puladi , Jens Kleesiek , Emad Fatemizadeh , Gijs Luijten , Victor Alves , Jan Egger

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…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Jintao Ren , Kim Hochreuter , Jesper Folsted Kallehauge , Stine Sofia Korreman

Head and Neck (H\&N) organ-at-risk (OAR) and tumor segmentations are essential components of radiation therapy planning. The varying anatomic locations and dimensions of H\&N nodal Gross Tumor Volumes (GTVn) and H\&N primary gross tumor…

图像与视频处理 · 电气工程与系统科学 2022-11-01 Abhishek Srivastava , Debesh Jha , Bulent Aydogan , Mohamed E. Abazeed , Ulas Bagci

Magnetic resonance (MR)-guided radiation therapy (RT) is enhancing head and neck cancer (HNC) treatment through superior soft tissue contrast and longitudinal imaging capabilities. However, manual tumor segmentation remains a significant…

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…

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…

图像与视频处理 · 电气工程与系统科学 2023-03-08 Alessia De Biase , Nanna Maria Sijtsema , Lisanne van Dijk , Johannes A. Langendijk , Peter van Ooijen

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…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Kai Wang , Yunxiang Li , Michael Dohopolski , Tao Peng , Weiguo Lu , You Zhang , Jing Wang

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…

图像与视频处理 · 电气工程与系统科学 2021-01-28 Haochen Mei , Wenhui Lei , Ran Gu , Shan Ye , Zhengwentai Sun , Shichuan Zhang , Guotai Wang

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…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Tanvi Gupta , Pranay Manocha , Tapan K. Gandhi , RK Gupta , BK Panigrahi

Brain tumor segmentation is a fundamental step in assessing a patient's cancer progression. However, manual segmentation demands significant expert time to identify tumors in 3D multimodal brain MRI scans accurately. This reliance on manual…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Fadillah Maani , Anees Ur Rehman Hashmi , Numan Saeed , Mohammad Yaqub

Tomography medical imaging is essential in the clinical workflow of modern cancer radiotherapy. Radiation oncologists identify cancerous tissues, applying delineation on treatment regions throughout all image slices. This kind of task is…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Chun-Hung Chao , Yen-Chi Cheng , Hsien-Tzu Cheng , Chi-Wen Huang , Tsung-Ying Ho , Chen-Kan Tseng , Le Lu , Min Sun

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…

图像与视频处理 · 电气工程与系统科学 2020-12-29 Jun Ma , Xiaoping Yang

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…

图像与视频处理 · 电气工程与系统科学 2025-01-10 Andrei Iantsen

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…

医学物理 · 物理学 2025-01-03 Jintao Ren , Mathis Rasmussen , Jasper Nijkamp , Jesper Grau Eriksen , Stine Korreman

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…

图像与视频处理 · 电气工程与系统科学 2023-05-17 Angel Victor Juanco Muller , Joao F. C. Mota , Keith A. Goatman , Corne Hoogendoorn

Whole-body PET/CT scan is an important tool for diagnosing various malignancies (e.g., malignant melanoma, lymphoma, or lung cancer), and accurate segmentation of tumors is a key part for subsequent treatment. In recent years, CNN-based…

图像与视频处理 · 电气工程与系统科学 2023-02-27 Hengzhi Xue , Qingqing Fang , Yudong Yao , Yueyang Teng
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