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Deep learning (DL) has drawn tremendous attention in object localization and recognition for both natural and medical images. U-Net segmentation models have demonstrated superior performance compared to conventional handcrafted…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Sivaramakrishnan Rajaraman , Les Folio , Jane Dimperio , Philip Alderson , Sameer Antani

Segmentation of the liver from 3D computer tomography (CT) images is one of the most frequently performed operations in medical image analysis. In the past decade, Deep Learning Models (DMs) have offered significant improvements over…

Image and Video Processing · Electrical Eng. & Systems 2020-01-28 A. Emre Kavur , Ludmila I. Kuncheva , M. Alper Selver

Precision therapy for liver cancer necessitates accurately delineating liver sub-regions to protect healthy tissue while targeting tumors, which is essential for reducing recurrence and improving survival rates. However, the segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Liang Qiu , Wenhao Chi , Xiaohan Xing , Praveenbalaji Rajendran , Mingjie Li , Yuming Jiang , Oscar Pastor-Serrano , Sen Yang , Xiyue Wang , Yuanfeng Ji , Qiang Wen

Accurate segmentation of coronary arteries remains a significant challenge in clinical practice, hindering the ability to effectively diagnose and manage coronary artery disease. The lack of large, annotated datasets for model training…

Recently, the state-of-art models for medical image segmentation is U-Net and their variants. These networks, though succeeding in deriving notable results, ignore the practical problem hanging over the medical segmentation field:…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Hao Ziang , Jingsi Zhang , Lixian Li

Deep learning has led to state-of-the-art results for many medical imaging tasks, such as segmentation of different anatomical structures. With the increased numbers of deep learning publications and openly available code, the approach to…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Tom van Sonsbeek , Veronika Cheplygina

Deep neural networks have demonstrated very promising performance on accurate segmentation of challenging organs (e.g., pancreas) in abdominal CT and MRI scans. The current deep learning approaches conduct pancreas segmentation by…

Computer Vision and Pattern Recognition · Computer Science 2017-07-19 Jinzheng Cai , Le Lu , Yuanpu Xie , Fuyong Xing , Lin Yang

This paper presents a new approach for effective segmentation of images that can be integrated into any model and methodology; the paradigm that we choose is classification of medical images (3-D chest CT scans) for Covid-19 detection. Our…

Image and Video Processing · Electrical Eng. & Systems 2024-07-25 Dimitrios Kollias , Anastasios Arsenos , James Wingate , Stefanos Kollias

Unsupervised segmentation of pulmonary pathologies in CT remains an open challenge due to the absence of annotated multi pathology cohorts and the failure of existing diffusion-based methods to exploit the quantitative Hounsfield Unit (HU)…

Image and Video Processing · Electrical Eng. & Systems 2026-05-13 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Catalin Fetita

The purpose of this study was to develop a fully-automated segmentation algorithm, robust to various density enhancing lung abnormalities, to facilitate rapid quantitative analysis of computed tomography images. A polymorphic training…

Automatic liver segmentation from CT volumes is a crucial prerequisite yet challenging task for computer-aided hepatic disease diagnosis and treatment. In this paper, we present a novel 3D deeply supervised network (3D DSN) to address this…

Computer Vision and Pattern Recognition · Computer Science 2016-07-05 Qi Dou , Hao Chen , Yueming Jin , Lequan Yu , Jing Qin , Pheng-Ann Heng

Accurate liver and tumor segmentation on abdominal CT images is critical for reliable diagnosis and treatment planning, but remains challenging due to complex anatomical structures, variability in tumor appearance, and limited annotated…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 Arefin Ittesafun Abian , Ripon Kumar Debnath , Md. Abdur Rahman , Mohaimenul Azam Khan Raiaan , Md Rafiqul Islam , Asif Karim , Reem E. Mohamed , Sami Azam

Accurate detection and segmentation of diffuse large B-cell lymphoma (DLBCL) from PET images has important implications for estimation of total metabolic tumor volume, radiomics analysis, surgical intervention and radiotherapy. Manual…

Image and Video Processing · Electrical Eng. & Systems 2024-03-13 Shadab Ahamed , Natalia Dubljevic , Ingrid Bloise , Claire Gowdy , Patrick Martineau , Don Wilson , Carlos F. Uribe , Arman Rahmim , Fereshteh Yousefirizi

We propose a novel semi-supervised image segmentation method that simultaneously optimizes a supervised segmentation and an unsupervised reconstruction objectives. The reconstruction objective uses an attention mechanism that separates the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Shuai Chen , Gerda Bortsova , Antonio Garcia-Uceda Juarez , Gijs van Tulder , Marleen de Bruijne

In recent times, denoising diffusion probabilistic models (DPMs) have proven effective for medical image generation and denoising, and as representation learners for downstream segmentation. However, segmentation performance is limited by…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Venkata Siddharth Dhara , Pawan Kumar

Lung tumors, especially those located close to or surrounded by soft tissues like the mediastinum, are difficult to segment due to the low soft tissue contrast on computed tomography images. Magnetic resonance images contain superior…

Image and Video Processing · Electrical Eng. & Systems 2019-09-11 Jue Jiang , Jason Hu , Neelam Tyagi , Andreas Rimner , Sean L. Berry , Joseph O. Deasy , Harini Veeraraghavan

Automatic body part recognition for CT slices can benefit various medical image applications. Recent deep learning methods demonstrate promising performance, with the requirement of large amounts of labeled images for training. The…

Computer Vision and Pattern Recognition · Computer Science 2018-03-08 Ke Yan , Le Lu , Ronald M. Summers

The high cure rate of cancer is inextricably linked to physicians' accuracy in diagnosis and treatment, therefore a model that can accomplish high-precision tumor segmentation has become a necessity in many applications of the medical…

Image and Video Processing · Electrical Eng. & Systems 2023-07-26 Zeqiu. Yu , Shuo. Han , Ziheng. Song

Automated segmentation of esophagus is critical in image guided/adaptive radiotherapy of lung cancer to minimize radiation-induced toxicities such as acute esophagitis. We developed a semantic physics-based data augmentation method for…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Sadegh R Alam , Tianfang Li , Pengpeng Zhang , Si-Yuan Zhang , Saad Nadeem

Segmentation in 3D scans is playing an increasingly important role in current clinical practice supporting diagnosis, tissue quantification, or treatment planning. The current 3D approaches based on convolutional neural networks usually…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Alexey Novikov , David Major , Maria Wimmer , Dimitrios Lenis , Katja Bühler