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Annotating multiple organs in 3D medical images is time-consuming and costly. Meanwhile, there exist many single-organ datasets with one specific organ annotated. This paper investigates how to learn a multi-organ segmentation model…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Shixiang Feng , Yuhang Zhou , Xiaoman Zhang , Ya Zhang , Yanfeng Wang

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

Semantic segmentation is an import task in the medical field to identify the exact extent and orientation of significant structures like organs and pathology. Deep neural networks can perform this task well by leveraging the information…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Abhijeet Parida , Arianne Tran , Nassir Navab , Shadi Albarqouni

Radiation therapy has emerged as one of the preferred techniques to treat brain cancer patients. During treatment, a very high dose of radiation is delivered to a very narrow area. Prescribed radiation therapy for brain cancer requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Jose Dolz , Nicolas Reyns , Nacim Betrouni , Dris Kharroubi , Mathilde Quidet , Laurent Massoptier , Maximilien Vermandel

Tumor segmentation from multi-modal brain MRI images is a challenging task due to the limited samples, high variance in shapes and uneven distribution of tumor morphology. The performance of automated medical image segmentation has been…

Image and Video Processing · Electrical Eng. & Systems 2024-02-13 Tianyi Ren , Ethan Honey , Harshitha Rebala , Abhishek Sharma , Agamdeep Chopra , Mehmet Kurt

The task of automatically segmenting 3-D surfaces representing boundaries of objects is important for quantitative analysis of volumetric images, and plays a vital role in biomedical image analysis. Recently, graph-based methods with a…

Computer Vision and Pattern Recognition · Computer Science 2018-01-10 Abhay Shah , Michael Abramoff , Xiaodong Wu

We derive a convex optimization problem for the task of segmenting sequential data, which explicitly treats presence of outliers. We describe two algorithms for solving this problem, one exact and one a top-down novel approach, and we…

Machine Learning · Computer Science 2014-11-19 Itamar Katz , Koby Crammer

Segmentation tasks in medical imaging are inherently ambiguous: the boundary of a target structure is oftentimes unclear due to image quality and biological factors. As such, predicted segmentations from deep learning algorithms are…

Image and Video Processing · Electrical Eng. & Systems 2019-11-18 Katharina Hoebel , Ken Chang , Jay Patel , Praveer Singh , Jayashree Kalpathy-Cramer

In recent years, "U-shaped" neural networks featuring encoder and decoder structures have gained popularity in the field of medical image segmentation. Various variants of this model have been developed. Nevertheless, the evaluation of…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Qi Ye , Lihua Guo

Purpose: To develop high throughput multi-label annotators for body (chest, abdomen, and pelvis) Computed Tomography (CT) reports that can be applied across a variety of abnormalities, organs, and disease states. Approach: We used a…

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

The segmentation of multiple organs in multi-parametric MRI studies is critical for many applications in radiology, such as correlating imaging biomarkers with disease status (e.g., cirrhosis, diabetes). Recently, three publicly available…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Nicole Tran , Anisa Prasad , Yan Zhuang , Tejas Sudharshan Mathai , Boah Kim , Sydney Lewis , Pritam Mukherjee , Jianfei Liu , Ronald M. Summers

Accurate segmentation of multiple organs in Computed Tomography (CT) images plays a vital role in computer-aided diagnosis systems. While various supervised learning approaches have been proposed recently, these methods heavily depend on a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yongzhi Huang , Fengjun Xi , Liyun Tu , Jinxin Zhu , Haseeb Hassan , Liyilei Su , Yun Peng , Jingyu Li , Jun Ma , Bingding Huang

Automatic segmentation of anatomical structures with convolutional neural networks (CNNs) constitutes a large portion of research in medical image analysis. The majority of CNN-based methods rely on an abundance of labeled data for proper…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Cheryl Sital , Tom Brosch , Dominique Tio , Alexander Raaijmakers , Jürgen Weese

Segmentation of cardiac structures is one of the fundamental steps to estimate volumetric indices of the heart. This step is still performed semi-automatically in clinical routine, and is thus prone to inter- and intra-observer variability.…

Avoiding out-of-distribution (OOD) data is critical for training supervised machine learning models in the medical imaging domain. Furthermore, obtaining labeled medical data is difficult and expensive since it requires expert annotators…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Suraj Kothawade , Akshit Srivastava , Venkat Iyer , Ganesh Ramakrishnan , Rishabh Iyer

Our contribution is a unified cross-modality feature disentagling approach for multi-domain image translation and multiple organ segmentation. Using CT as the labeled source domain, our approach learns to segment multi-modal (T1-weighted…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Jue Jiang , Harini Veeraraghavan

Our understanding of organs at risk is progressing to include physical small tissues such as coronary arteries and the radiosensitivities of many small organs and tissues are high. Therefore, the accurate segmentation of small volumes in…

Image and Video Processing · Electrical Eng. & Systems 2024-04-08 Jianxin Zhou , Kadishe Fejza , Massimiliano Salvatori , Daniele Della Latta , Gregory M. Hermann , Angela Di Fulvio

Deep learning has significantly advanced the field of gastrointestinal vision, enhancing disease diagnosis capabilities. One major challenge in automating diagnosis within gastrointestinal settings is the detection of abnormal cases in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Sandesh Pokhrel , Sanjay Bhandari , Eduard Vazquez , Tryphon Lambrou , Prashnna Gyawali , Binod Bhattarai

In the realm of unsupervised image outlier detection, assigning outlier scores holds greater significance than its subsequent task: thresholding for predicting labels. This is because determining the optimal threshold on non-separable…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zhonghang Liu , Panzhong Lu , Guoyang Xie , Zhichao Lu , Wen-Yan Lin
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