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Accurate delineation of kidney tumours in Computed Tomography (CT) is essential for downstream quantitative analysis and precision oncology, but manual segmentation is a specialised task, time-consuming and difficult to scale. Automated 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Saúl Alonso-Monsalve , Leigh H. Whitehead , Adam Aurisano , Lorena Escudero Sanchez

The brain tumor segmentation on MRI images is a very difficult and important task which is used in surgical and medical planning and assessments. If experts do the segmentation manually with their own medical knowledge, it will be…

Computer Vision and Pattern Recognition · Computer Science 2013-12-31 Saeid Fazli , Parisa Nadirkhanlou

Past few years have witnessed the prevalence of deep learning in many application scenarios, among which is medical image processing. Diagnosis and treatment of brain tumors requires an accurate and reliable segmentation of brain tumors as…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Feifan Wang , Runzhou Jiang , Liqin Zheng , Chun Meng , Bharat Biswal

Tumor segmentation in PET-CT images is challenging due to the dual nature of the acquired information: low metabolic information in CT and low spatial resolution in PET. U-Net architecture is the most common and widely recognized approach…

Image and Video Processing · Electrical Eng. & Systems 2022-10-06 Simone Bendazzoli , Mehdi Astaraki

Purpose: Body composition is known to be associated with many diseases including diabetes, cancers and cardiovascular diseases. In this paper, we developed a fully automatic body tissue decomposition procedure to segment three major…

Image and Video Processing · Electrical Eng. & Systems 2021-01-27 Yabo Fu , Joseph E. Ippolito , Daniel R. Ludwig , Rehan Nizamuddin , Harold H. Li , Deshan Yang

Accurate segmentation of 3-D cell nuclei in microscopy images is essential for the study of nuclear organization, gene expression, and cell morphodynamics. Current image segmentation methods are challenged by the complexity and variability…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Sundaresh Ram , Jeffrey J. Rodriguez

Purpose: To develop and validate a computer tool for automatic and simultaneous segmentation of body composition depicted on computed tomography (CT) scans for the following tissues: visceral adipose (VAT), subcutaneous adipose (SAT),…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Lucy Pu , Syed F. Ashraf , Naciye S Gezer , Iclal Ocak , Rajeev Dhupar

Abdominal organ and tumour segmentation has many important clinical applications, such as organ quantification, surgical planning, and disease diagnosis. However, manual assessment is inherently subjective with considerable inter- and…

Image and Video Processing · Electrical Eng. & Systems 2023-11-17 Wentao Liu , Tong Tian , Weijin Xu , Lemeng Wang , Haoyuan Li , Huihua Yang

Surgical automation has the potential to enable increased precision and reduce the per-patient workload of overburdened human surgeons. An effective automation system must be able to sense and map subsurface anatomy, such as tumors,…

Robotics · Computer Science 2021-10-13 Brian Y. Cho , Tucker Hermans , Alan Kuntz

This report describes the design, implementation, evaluation and original enhancements to the Live-Wire method for 2D and 3D image segmentation. Live-Wire 2D employs a semi-automatic paradigm; the user is asked to select a few boundary…

Computer Vision and Pattern Recognition · Computer Science 2013-06-17 Ognjen Arandjelovic

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

Image segmentation is a critical step in computational biomedical image analysis, typically evaluated using metrics like the Dice coefficient during training and validation. However, in clinical settings without manual annotations,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Sikha O K , Meritxell Riera-Marín , Adrian Galdran , Javier García Lopez , Julia Rodríguez-Comas , Gemma Piella , Miguel A. González Ballester

Structural magnetic resonance imaging (MRI) has been widely utilized for analysis and diagnosis of brain diseases. Automatic segmentation of brain tumors is a challenging task for computer-aided diagnosis due to low-tissue contrast in the…

Image and Video Processing · Electrical Eng. & Systems 2020-11-22 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

Automatic image segmentation becomes very crucial for tumor detection in medical image processing.In general, manual and semi automatic segmentation techniques require more time and knowledge. However these drawbacks had overcome by…

Computer Vision and Pattern Recognition · Computer Science 2016-03-09 D. Anithadevi , K. Perumal

Background: Accurate segmentation of diffuse large B-cell lymphoma (DLBCL) lesions is challenging due to their complex patterns in medical imaging. Objective: This study aims to develop a precise segmentation method for DLBCL using…

Image and Video Processing · Electrical Eng. & Systems 2024-09-10 Huan Huang , Liheng Qiu , Shenmiao Yang , Longxi Li , Jiaofen Nan , Yanting Li , Chuang Han , Fubao Zhu , Chen Zhao , Weihua Zhou

We present an automatic method for joint liver lesion segmentation and classification using a hierarchical fine-tuning framework. Our dataset is small, containing 332 2-D CT examinations with lesion annotated into 3 lesion types: cysts,…

Image and Video Processing · Electrical Eng. & Systems 2019-08-01 Michal Heker , Avi Ben-Cohen , Hayit Greenspan

Liver lesion segmentation is a difficult yet critical task for medical image analysis. Recently, deep learning based image segmentation methods have achieved promising performance, which can be divided into three categories: 2D, 2.5D and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-29 Xueying Chen , Rong Zhang , Pingkun Yan

Accurate liver segmentation from CT scans is essential for effective diagnosis and treatment planning. Computer-aided diagnosis systems promise to improve the precision of liver disease diagnosis, disease progression, and treatment…

Image and Video Processing · Electrical Eng. & Systems 2024-04-23 Debesh Jha , Nikhil Kumar Tomar , Koushik Biswas , Gorkem Durak , Alpay Medetalibeyoglu , Matthew Antalek , Yury Velichko , Daniela Ladner , Amir Borhani , Ulas Bagci

3D reconstruction of the liver for volumetry is important for qualitative analysis and disease diagnosis. Liver volumetry using ultrasound (US) scans, although advantageous due to less acquisition time and safety, is challenging due to the…

It is well known that machine learning models require a high amount of annotated data to obtain optimal performance. Labelling Computed Tomography (CT) data can be a particularly challenging task due to its volumetric nature and often…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Franko Hrzic , Mohammadreza Movahhedi , Ophelie Lavoie-Gagne , Ata Kiapour