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Multi-organ segmentation, which identifies and separates different organs in medical images, is a fundamental task in medical image analysis. Recently, the immense success of deep learning motivated its wide adoption in multi-organ…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Jiahua Dong , Guohua Cheng , Yue Zhang , Chengtao Peng , Yu Song , Ruofeng Tong , Lanfen Lin , Yen-Wei Chen

Localization of anatomical landmarks to perform two-dimensional measurements in echocardiography is part of routine clinical workflow in cardiac disease diagnosis. Automatic localization of those landmarks is highly desirable to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 Jianzhe Lin , Ghazal Sahebzamani , Christina Luong , Fatemeh Taheri Dezaki , Mohammad Jafari , Purang Abolmaesumi , Teresa Tsang

Training models dedicated to semantic segmentation requires a large amount of pixel-wise annotated data. Due to their costly nature, these annotations might not be available for the task at hand. To alleviate this problem, unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Fei Pan , Francois Rameau , Junsik Kim , In So Kweon

The dynamic and heterogeneous nature of agricultural fields presents significant challenges for object detection and localization, particularly for autonomous mobile robots that are tasked with surveying previously unseen unstructured…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Dimitrios Chatziparaschis , Elia Scudiero , Brent Sams , Konstantinos Karydis

Weakly supervised segmentation is an important problem in medical image analysis due to the high cost of pixelwise annotation. Prior methods, while often focusing on weak labels of 2D images, exploit few structural cues of volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qian He , Shuailin Li , Xuming He

We innovatively propose a flexible and consistent face alignment framework, LDDMM-Face, the key contribution of which is a deformation layer that naturally embeds facial geometry in a diffeomorphic way. Instead of predicting facial…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Huilin Yang , Junyan Lyu , Pujin Cheng , Xiaoying Tang

Purpose: Interpreting chest radiographs (CXR) remains challenging due to the ambiguity of overlapping structures such as the lungs, heart, and bones. To address this issue, we propose a novel method for extracting fine-grained anatomical…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Constantin Seibold , Alexander Jaus , Matthias A. Fink , Moon Kim , Simon Reiß , Ken Herrmann , Jens Kleesiek , Rainer Stiefelhagen

The diagnosis of prostate cancer increasingly depends on multimodal imaging, particularly magnetic resonance imaging (MRI) and transrectal ultrasound (TRUS). However, accurate registration between these modalities remains a fundamental…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Xudong Ma , Nantheera Anantrasirichai , Stefanos Bolomytis , Alin Achim

Methods to detect malignant lesions from screening mammograms are usually trained with fully annotated datasets, where images are labelled with the localisation and classification of cancerous lesions. However, real-world screening…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yuanhong Chen , Yuyuan Liu , Chong Wang , Michael Elliott , Chun Fung Kwok , Carlos Pena-Solorzano , Yu Tian , Fengbei Liu , Helen Frazer , Davis J. McCarthy , Gustavo Carneiro

An often overlooked problem in medical image segmentation research is the effective selection of training subsets to annotate from a complete set of unlabelled data. Many studies select their training sets at random, which may lead to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Stephen Lloyd-Brown , Susan Francis , Caroline Hoad , Penny Gowland , Karen Mullinger , Andrew French , Xin Chen

Evidence suggests that networks trained on large datasets generalize well not solely because of the numerous training examples, but also class diversity which encourages learning of enriched features. This raises the question of whether…

The lack of a comprehensive high-resolution atlas of the cerebellum has hampered studies of cerebellar involvement in normal brain function and disease. A good representation of the tightly foliated aspect of the cerebellar cortex is…

Image and Video Processing · Electrical Eng. & Systems 2023-05-30 Xuan Li , Paule-J Toussaint , Alan Evans , Xue Liu

Whole-body Positron Emission Tomography (PET) registration is essential for multi-parametric tumor characterization and assessment of metastatic disease progression. In deep learning-based deformable registration, the dense displacement…

Image and Video Processing · Electrical Eng. & Systems 2026-04-28 Xiangcen Wu , Ruohua Chen , Sichun Li , Qianye Yang , Sheng Liu , Jianjun Liu , Zhaoheng Xie

Unsafe surgical care is a critical health concern, often linked to limitations in surgeon experience, skills, and situational awareness. Integrating patient-specific 3D models into the surgical field can enhance visualization, provide…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Alberto Neri , Veronica Penza , Nazim Haouchine , Leonardo S. Mattos

We propose a novel Deep Active Learning (DeepAL) model-3D Wasserstein Discriminative UNet (WD-UNet) for reducing the annotation effort of medical 3D Computed Tomography (CT) segmentation. The proposed WD-UNet learns in a semi-supervised way…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Shiyi Wang , Yang Nan , Simon Walsh , Guang Yang

Object detection models typically rely on predefined categories, limiting their ability to identify novel objects in open-world scenarios. To overcome this constraint, we introduce ADAM: Autonomous Discovery and Annotation Model, a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Amirreza Rouhi , Solmaz Arezoomandan , Knut Peterson , Joseph T. Woods , David K. Han

We present an efficient neural network method for locating anatomical landmarks in 3D medical CT scans, using atlas location autocontext in order to learn long-range spatial context. Location predictions are made by regression to Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Alison Q O'Neil , Antanas Kascenas , Joseph Henry , Daniel Wyeth , Matthew Shepherd , Erin Beveridge , Lauren Clunie , Carrie Sansom , Evelina Šeduikytė , Keith Muir , Ian Poole

Semi-supervised medical image segmentation has gained growing interest due to its ability to utilize unannotated data. The current state-of-the-art methods mostly rely on pseudo-labeling within a co-training framework. These methods depend…

Image and Video Processing · Electrical Eng. & Systems 2024-05-14 Suruchi Kumari , Pravendra Singh

Pose estimation of the human body and hands is a fundamental problem in computer vision, and learning-based solutions require a large amount of annotated data. In this work, we improve the efficiency of the data annotation process for 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Qi Feng , Kun He , He Wen , Cem Keskin , Yuting Ye

Deep learning models have demonstrated great potential in medical 3D imaging, but their development is limited by the expensive, large volume of annotated data required. Active learning (AL) addresses this by training a model on a subset of…

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