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Related papers: SegTHOR: Segmentation of Thoracic Organs at Risk i…

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We implemented and evaluated a multiple resolution residual network (MRRN) for multiple normal organs-at-risk (OAR) segmentation from computed tomography (CT) images for thoracic radiotherapy treatment (RT) planning. Our approach…

Image and Video Processing · Electrical Eng. & Systems 2020-06-02 Hyemin Um , Jue Jiang , Maria Thor , Andreas Rimner , Leo Luo , Joseph O. Deasy , Harini Veeraraghavan

Nasopharyngeal carcinoma (NPC) is a kind of malignant tumor. Accurate and automatic segmentation of organs at risk (OAR) of computed tomography (CT) images is clinically significant. In recent years, deep learning models represented by…

Image and Video Processing · Electrical Eng. & Systems 2021-12-30 Zexi Huang , Lihua Guo , Xin Yang , Sijuan Huang

With the development of image segmentation in computer vision, biomedical image segmentation have achieved remarkable progress on brain tumor segmentation and Organ At Risk (OAR) segmentation. However, most of the research only uses single…

Image and Video Processing · Electrical Eng. & Systems 2019-10-18 Kuan-Lun Tseng , Winston Hsu , Chun-ting Wu , Ya-Fang Shih , Fan-Yun Sun

Segmentation of multiple organs-at-risk (OARs) is essential for radiation therapy treatment planning and other clinical applications. We developed an Automated deep Learning-based Abdominal Multi-Organ segmentation (ALAMO) framework based…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Yuhua Chen , Dan Ruan , Jiayu Xiao , Lixia Wang , Bin Sun , Rola Saouaf , Wensha Yang , Debiao Li , Zhaoyang Fan

Automatic segmentation of organs-at-risk (OARs) in CT scans using convolutional neural networks (CNNs) is being introduced into the radiotherapy workflow. However, these segmentations still require manual editing and approval by clinicians…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Edward G. A. Henderson , Andrew F. Green , Marcel van Herk , Eliana M. Vasquez Osorio

Deep learning-based organs/structures-at-risk(OARs) auto-contouring models can improve radiotherapy workflows, but models trained on adult data often underperform in pediatric patients. Developing robust pediatric-specific models is…

Accurate multi-organ segmentation in abdominal CT scans is essential for computer-aided diagnosis and treatment. While convolutional neural networks (CNNs) have long been the standard approach in medical image segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Lukas Bayer , Sheethal Bhat , Andreas Maier

Rectal cancer segmentation of CT image plays a crucial role in timely clinical diagnosis, radiotherapy treatment, and follow-up. Although current segmentation methods have shown promise in delineating cancerous tissues, they still encounter…

Image and Video Processing · Electrical Eng. & Systems 2023-08-17 Hantao Zhang , Weidong Guo , Chenyang Qiu , Shouhong Wan , Bingbing Zou , Wanqin Wang , Peiquan Jin

Organ at Risk (OAR) segmentation from CT scans is a key component of the radiotherapy treatment workflow. In recent years, deep learning techniques have shown remarkable potential in automating this process. In this paper, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2023-09-21 Leonardo Crespi , Mattia Portanti , Daniele Loiacono

In the medical images field, semantic segmentation is one of the most important, yet difficult and time-consuming tasks to be performed by physicians. Thanks to the recent advancement in the Deep Learning models regarding Computer Vision,…

Image and Video Processing · Electrical Eng. & Systems 2023-09-21 Leonardo Crespi , Paolo Roncaglioni , Damiano Dei , Ciro Franzese , Nicola Lambri , Daniele Loiacono , Pietro Mancosu , Marta Scorsetti

Automated organ at risk (OAR) segmentation is crucial for radiation therapy planning in CT scans, but the generated contours by automated models can be inaccurate, potentially leading to treatment planning issues. The reasons for these…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Amin Honarmandi Shandiz , Attila Rádics , Rajesh Tamada , Makk Árpád , Karolina Glowacka , Lehel Ferenczi , Sandeep Dutta , Michael Fanariotis

Organ at risk (OAR) segmentation in computed tomography (CT) imagery is a difficult task for automated segmentation methods and can be crucial for downstream radiation treatment planning. U-net has become a de-facto standard for medical…

Image and Video Processing · Electrical Eng. & Systems 2024-02-27 Abdullah Nazib , Riad Hassan , Zahidul Islam , Clinton Fookes

Organ and cancer segmentation in abdomen Computed Tomography (CT) scans is the prerequisite for precise cancer diagnosis and treatment. Most existing benchmarks and algorithms are tailored to specific cancer types, limiting their ability to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-23 Jun Ma , Yao Zhang , Song Gu , Cheng Ge , Ershuai Wang , Qin Zhou , Ziyan Huang , Pengju Lyu , Jian He , Bo Wang

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

Morphological analysis and identification of pathologies in the aorta are important for cardiovascular diagnosis and risk assessment in patients. Manual annotation is time-consuming and cumbersome in CT scans acquired without contrast…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Ivana Isgum

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…

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

Colorectal cancer is the third-most common cancer in the Western Hemisphere. The segmentation of colorectal and colorectal cancer by computed tomography is an urgent problem in medicine. Indeed, a system capable of solving this problem will…

Image and Video Processing · Electrical Eng. & Systems 2024-08-01 I. M. Chernenkiy , Y. A. Drach , S. R. Mustakimova , V. V. Kazantseva , N. A. Ushakov , S. K. Efetov , M. V. Feldsherov

Precise delineation of organs at risk (OAR) is a crucial task in radiotherapy treatment planning, which aims at delivering high dose to the tumour while sparing healthy tissues. In recent years algorithms showed high performance and the…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Tobias Fechter , Sonja Adebahr , Dimos Baltas , Ismail Ben Ayed , Christian Desrosiers , Jose Dolz

Radiotherapy treatment for prostate cancer relies on computed tomography (CT) and/or magnetic resonance imaging (MRI) for segmentation of target volumes and organs at risk (OARs). Manual segmentation of these volumes is regarded as the gold…