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3D medical image analysis is pivotal in numerous clinical applications. However, the scarcity of labeled data and limited generalization capabilities hinder the advancement of AI-empowered models. Radiology reports are easily accessible and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xuefeng Ni , Linshan Wu , Jiaxin Zhuang , Qiong Wang , Mingxiang Wu , Varut Vardhanabhuti , Lihai Zhang , Hanyu Gao , Hao Chen

Self-supervised learning (SSL) has emerged as a promising paradigm for addressing the annotation bottleneck in medical imaging by learning representations from unlabeled data. However, its effectiveness depends heavily on the design of the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Chathura Wimalasiri

3D medical image segmentation methods have been successful, but their dependence on large amounts of voxel-level annotated data is a disadvantage that needs to be addressed given the high cost to obtain such annotation. Semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yuyuan Liu , Yu Tian , Chong Wang , Yuanhong Chen , Fengbei Liu , Vasileios Belagiannis , Gustavo Carneiro

Recent progress in medical vision-language models (VLMs) has achieved strong performance on image-level text-centric tasks such as report generation and visual question answering (VQA). However, achieving fine-grained visual grounding and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Yang Xing , Jiong Wu , Savas Ozdemir , Ying Zhang , Yang Yang , Wei Shao , Kuang Gong

Alzheimer's disease is a progressive, neurodegenerative disorder that causes memory loss and cognitive decline. While there has been extensive research in applying deep learning models to Alzheimer's prediction tasks, these models remain…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Emily Kaczmarek , Justin Szeto , Brennan Nichyporuk , Tal Arbel

Self-supervised learning methods have witnessed a recent surge of interest after proving successful in multiple application fields. In this work, we leverage these techniques, and we propose 3D versions for five different self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Aiham Taleb , Winfried Loetzsch , Noel Danz , Julius Severin , Thomas Gaertner , Benjamin Bergner , Christoph Lippert

As a newly emerging unsupervised learning paradigm, self-supervised learning (SSL) recently gained widespread attention, which usually introduces a pretext task without manual annotation of data. With its help, SSL effectively learns the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-18 Chuanxing Geng , Zhenghao Tan , Songcan Chen

Understanding 3D medical image volumes is critical in the medical field, yet existing 3D medical convolution and transformer-based self-supervised learning (SSL) methods often lack deep semantic comprehension. Recent advancements in…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Qiuhui Chen , Xuancheng Yao , Huping Ye , Yi Hong

In the field of medical images, although various works find Swin Transformer has promising effectiveness on pixelwise dense prediction, whether pre-training these models without using extra dataset can further boost the performance for the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Xinrong Hu , Dewen Zeng , Yawen Wu , Xueyang Li , Yiyu Shi

Current medical vision-language models (VLMs) process volumetric brain MRI using 2D slice-based approximations, fragmenting the spatial context required for accurate neuroradiological interpretation. We developed \textbf{Brain3D}, a staged…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Mariano Barone , Francesco Di Serio , Giuseppe Riccio , Antonio Romano , Marco Postiglione , Antonino Ferraro , Vincenzo Moscato

In clinical practice, many diagnosis tasks rely on the identification of cells in histopathology images. While supervised machine learning techniques require labels, providing manual cell annotations is time-consuming due to the large…

Understanding 3D medical image volumes is a critical task in the medical domain. However, existing 3D convolution and transformer-based methods have limited semantic understanding of an image volume and also need a large set of volumes for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Qiuhui Chen , Huping Ye , Yi Hong

A robot's ability to act is fundamentally constrained by what it can perceive. Many existing approaches to visual representation learning utilize general-purpose training criteria, e.g. image reconstruction, smoothness in latent space, or…

Brain atrophy is an important biomarker for monitoring neurodegeneration and disease progression in conditions such as multiple sclerosis (MS). An accurate and robust quantitative measurement of brain volume change is paramount for…

Quantitative Methods · Quantitative Biology 2023-02-09 Geng Zhan , Dongang Wang , Mariano Cabezas , Lei Bai , Kain Kyle , Wanli Ouyang , Michael Barnett , Chenyu Wang

Self-supervised learning methods based on image patch reconstruction have witnessed great success in training auto-encoders, whose pre-trained weights can be transferred to fine-tune other downstream tasks of image understanding. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Junjia Huang , Haofeng Li , Guanbin Li , Xiang Wan

Recent medical vision-language models (VLMs) have shown promise in 2D medical image interpretation. However extending them to 3D medical imaging has been challenging due to computational complexities and data scarcity. Although a few recent…

Image and Video Processing · Electrical Eng. & Systems 2024-12-19 Changsun Lee , Sangjoon Park , Cheong-Il Shin , Woo Hee Choi , Hyun Jeong Park , Jeong Eun Lee , Jong Chul Ye

Computer-aided diagnosis via deep learning relies on large-scale annotated data sets, which can be costly when involving expert knowledge. Semi-supervised learning (SSL) mitigates this challenge by leveraging unlabeled data. One effective…

Machine Learning · Computer Science 2020-05-25 Prashnna Kumar Gyawali , Sandesh Ghimire , Pradeep Bajracharya , Zhiyuan Li , Linwei Wang

Computed tomography (CT) samples with pathological annotations are difficult to obtain. As a result, the computer-aided diagnosis (CAD) algorithms are trained on small datasets (e.g., LIDC-IDRI with 1,018 samples), limiting their accuracies…

Computer Vision and Pattern Recognition · Computer Science 2022-08-24 Penghua Zhai , Enwei Zhu , Baolian Qi , Xin Wei , Jinpeng Li

Self-Supervised Learning (SSL) is a valuable and robust training methodology for contemporary Deep Neural Networks (DNNs), enabling unsupervised pretraining on a 'pretext task' that does not require ground-truth labels/annotation. This…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Sotirios Konstantakos , Jorgen Cani , Ioannis Mademlis , Despina Ioanna Chalkiadaki , Yuki M. Asano , Efstratios Gavves , Georgios Th. Papadopoulos

Traditional supervised 3D medical image segmentation models need voxel-level annotations, which require huge human effort, time, and cost. Semi-supervised learning (SSL) addresses this limitation of supervised learning by facilitating…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Suruchi Kumari , Aryan Das , Swalpa Kumar Roy , Indu Joshi , Pravendra Singh