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Segmentation of livers and liver tumors is one of the most important steps in radiation therapy of hepatocellular carcinoma. The segmentation task is often done manually, making it tedious, labor intensive, and subject to intra-/inter-…

Image and Video Processing · Electrical Eng. & Systems 2019-11-04 Hyunseok Seo , Charles Huang , Maxime Bassenne , Ruoxiu Xiao , Lei Xing

Organ segmentation in CT volumes is an important pre-processing step in many computer assisted intervention and diagnosis methods. In recent years, convolutional neural networks have dominated the state of the art in this task. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Roger D. Soberanis-Mukul , Nassir Navab , Shadi Albarqouni

Accurate segmentation of organs-at-risks (OARs) is a precursor for optimizing radiation therapy planning. Existing deep learning-based multi-scale fusion architectures have demonstrated a tremendous capacity for 2D medical image…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Abhishek Srivastava , Debesh Jha , Elif Keles , Bulent Aydogan , Mohamed Abazeed , Ulas Bagci

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

The delineation of tumor target and organs-at-risk is critical in the radiotherapy treatment planning. Automatic segmentation can be used to reduce the physician workload and improve the consistency. However, the quality assurance of the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yihao Zhao , Cuiyun Yuan , Ying Liang , Yang Li , Chunxia Li , Man Zhao , Jun Hu , Wei Liu , Chenbin Liu

Inter-and intra-observer variation in delineating regions of interest (ROIs) occurs because of differences in expertise level and preferences of the radiation oncologists. We evaluated the accuracy of a segmentation model using the U-Net…

A 3D deep learning model (OARnet) is developed and used to delineate 28 H&N OARs on CT images. OARnet utilizes a densely connected network to detect the OAR bounding-box, then delineates the OAR within the box. It reuses information from…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Mumtaz Hussain Soomro , Hamidreza Nourzadeh , Victor Gabriel Leandro Alves , Wookjin Choi , Jeffrey V. Siebers

Cancer is an abnormal growth with potential to invade locally and metastasize to distant organs. Accurate auto-segmentation of the tumor and surrounding normal tissues is required for radiotherapy treatment plan optimization. Recent…

Image and Video Processing · Electrical Eng. & Systems 2025-07-31 Syed Haider Ali , Asrar Ahmad , Muhammad Ali , Asifullah Khan , Nadeem Shaukat

Accurate segmentation of different sub-regions of gliomas including peritumoral edema, necrotic core, enhancing and non-enhancing tumor core from multimodal MRI scans has important clinical relevance in diagnosis, prognosis and treatment of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Xue Feng , Nicholas Tustison , Craig Meyer

Purposes: This study aimed to develop a computed tomography (CT)-based multi-organ segmentation model for delineating organs-at-risk (OARs) in pediatric upper abdominal tumors and evaluate its robustness across multiple datasets. Materials…

Increased organ at risk segmentation accuracy is required to reduce cost and complications for patients receiving radiotherapy treatment. Some deep learning methods for the segmentation of organs at risk use a two stage process where a…

Image and Video Processing · Electrical Eng. & Systems 2023-04-11 Abraham George Smith , Denis Kutnár , Ivan Richter Vogelius , Sune Darkner , Jens Petersen

Breast tumor segmentation is one of the key steps that helps us characterize and localize tumor regions. However, variable tumor morphology, blurred boundary, and similar intensity distributions bring challenges for accurate segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2024-01-23 Gongping Chen , Lei Li , JianXun Zhang , Yu Dai

Organ at risk (OAR) segmentation is a critical process in radiotherapy treatment planning such as head and neck tumors. Nevertheless, in clinical practice, radiation oncologists predominantly perform OAR segmentations manually on CT scans.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Zeyu Zhang , Xuyin Qi , Bowen Zhang , Biao Wu , Hien Le , Bora Jeong , Zhibin Liao , Yunxiang Liu , Johan Verjans , Minh-Son To , Richard Hartley

$\bf{Purpose:}$ The goal of this study was (i) to use artificial intelligence to automate the traditionally labor-intensive process of manual segmentation of tumor regions in pathology slides performed by a pathologist and (ii) to validate…

Automated abdominal multi-organ segmentation is a crucial yet challenging task in the computer-aided diagnosis of abdominal organ-related diseases. Although numerous deep learning models have achieved remarkable success in many medical…

Image and Video Processing · Electrical Eng. & Systems 2022-12-26 Shishuai Hu , Zehui Liao , Yong Xia

In the realm of medical diagnostics, rapid advancements in Artificial Intelligence (AI) have significantly yielded remarkable improvements in brain tumor segmentation. Encoder-Decoder architectures, such as U-Net, have played a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Eyad Gad , Seif Soliman , M. Saeed Darweesh

Organ segmentation in CT volumes is an important pre-processing step in many computer assisted intervention and diagnosis methods. In recent years, convolutional neural networks have dominated the state of the art in this task. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-12-08 Roger D. Soberanis-Mukul , Nassir Navab , Shadi Albarqouni

Cancer is one of the leading causes of death globally, and early diagnosis is crucial for patient survival. Deep learning algorithms have great potential for automatic cancer analysis. Artificial intelligence has achieved high performance…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Monika Górka , Daniel Jaworek , Marek Wodzinski

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

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…