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Semantic segmentation is a crucial task in medical imaging. Although supervised learning techniques have proven to be effective in performing this task, they heavily depend on large amounts of annotated training data. The recently…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Ron Keuth , Lasse Hansen , Maren Balks , Ronja Jäger , Anne-Nele Schröder , Ludger Tüshaus , Mattias Heinrich

Self-supervised pretraining has become the mainstream approach for learning MRI representations from unlabeled scans. However, most existing objectives still treat each scan primarily as static aggregations of slices, patches or volumes. We…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Yu Wang , Qingchao Chen

Masked signal modeling has greatly advanced self-supervised pre-training for language and 2D images. However, it is still not fully explored in 3D scene understanding. Thus, this paper introduces Masked Shape Prediction (MSP), a new…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Li Jiang , Zetong Yang , Shaoshuai Shi , Vladislav Golyanik , Dengxin Dai , Bernt Schiele

Medical image registration is a fundamental task in medical image analysis, aiming to establish spatial correspondences between paired images. However, existing unsupervised deformable registration methods rely solely on intensity-based…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Hao Xu , Tengfei Xue , Jianan Fan , Dongnan Liu , Yuqian Chen , Fan Zhang , Carl-Fredrik Westin , Ron Kikinis , Lauren J. O'Donnell , Weidong Cai

Masked image modeling (MIM) with transformer backbones has recently been exploited as a powerful self-supervised pre-training technique. The existing MIM methods adopt the strategy to mask random patches of the image and reconstruct the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Zhaohu Xing , Lei Zhu , Lequan Yu , Zhiheng Xing , Liang Wan

Self-supervised learning has transformed 2D computer vision by enabling models trained on large, unannotated datasets to provide versatile off-the-shelf features that perform similarly to models trained with labels. However, in 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Pedro Hermosilla , Christian Stippel , Leon Sick

Self-supervised learning has emerged as a powerful tool for pretraining deep networks on unlabeled data, prior to transfer learning of target tasks with limited annotation. The relevance between the pretraining pretext and target tasks is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Tianwei Zhang , Dong Wei , Mengmeng Zhu , Shi Gu , Yefeng Zheng

Protein representation learning aims to learn informative protein embeddings capable of addressing crucial biological questions, such as protein function prediction. Although sequence-based transformer models have shown promising results by…

Quantitative Methods · Quantitative Biology 2024-10-22 Michail Chatzianastasis , Yang Zhang , George Dasoulas , Michalis Vazirgiannis

Masked Image Modeling (MIM) has emerged as a promising method for deriving visual representations from unlabeled image data by predicting missing pixels from masked portions of images. It excels in region-aware learning and provides strong…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yibing Wei , Abhinav Gupta , Pedro Morgado

Existing volumetric medical image segmentation models are typically task-specific, excelling at specific target but struggling to generalize across anatomical structures or modalities. This limitation restricts their broader clinical use.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Haoyu Wang , Sizheng Guo , Jin Ye , Zhongying Deng , Junlong Cheng , Tianbin Li , Jianpin Chen , Yanzhou Su , Ziyan Huang , Yiqing Shen , Bin Fu , Shaoting Zhang , Junjun He , Yu Qiao

Three-dimensional (3D) medical images, such as Computed Tomography (CT) and Magnetic Resonance Imaging (MRI), are essential for clinical applications. However, the need for diverse and comprehensive representations is particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Siwen Wang , Churan Wang , Fei Gao , Lixian Su , Fandong Zhang , Yizhou Wang , Yizhou Yu

Distributed fiber-optic acoustic sensing (DAS) has emerged as a transformative approach for distributed vibration measurement with high spatial resolution and long measurement range while maintaining cost-efficiency. However, the…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Junyi Duan , Jiageng Chen , Zuyuan He

Semi-supervised learning has the potential to improve the data-efficiency of training data-hungry deep neural networks, which is especially important for medical image analysis tasks where labeled data is scarce. In this work, we present a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Boon Peng Yap , Beng Koon Ng

Semi-supervised learning has attracted much attention in medical image segmentation due to challenges in acquiring pixel-wise image annotations, which is a crucial step for building high-performance deep learning methods. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Shuailin Li , Chuyu Zhang , Xuming He

Magnetic resonance imaging (MRI) is indispensable for diagnosing and planning treatment in various medical conditions due to its ability to produce multi-series images that reveal different tissue characteristics. However, integrating these…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Churan Wang , Fei Gao , Lijun Yan , Siwen Wang , Yizhou Yu , Yizhou Wang

Transfer learning from natural image to medical image has established as one of the most practical paradigms in deep learning for medical image analysis. However, to fit this paradigm, 3D imaging tasks in the most prominent imaging…

Image and Video Processing · Electrical Eng. & Systems 2019-08-20 Zongwei Zhou , Vatsal Sodha , Md Mahfuzur Rahman Siddiquee , Ruibin Feng , Nima Tajbakhsh , Michael B. Gotway , Jianming Liang

Accurate and robust medical image classification is paramount for early disease diagnosis and treatment planning. However, challenges such as limited annotated data, high intra-class variability, and subtle inter-class differences often…

Image and Video Processing · Electrical Eng. & Systems 2026-05-22 Joao Florindo , Viviane Moura

Due to the scarcity of labeled data, self-supervised learning (SSL) has gained much attention in 3D medical image segmentation, by extracting semantic representations from unlabeled data. Among SSL strategies, Masked image modeling (MIM)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Yuheng Li , Tianyu Luan , Yizhou Wu , Shaoyan Pan , Yenho Chen , Xiaofeng Yang

One-shot medical image segmentation (MIS) is crucial for medical analysis due to the burden of medical experts on manual annotation. The recent emergence of the segment anything model (SAM) has demonstrated remarkable adaptation in MIS but…

Image and Video Processing · Electrical Eng. & Systems 2025-04-30 Jia Wang , Yunan Mei , Jiarui Liu , Xin Fan

Human action recognition is a crucial task for intelligent robotics, particularly within the context of human-robot collaboration research. In self-supervised skeleton-based action recognition, the mask-based reconstruction paradigm learns…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Wei Wei , Shaojie Zhang , Yonghao Dang , Jianqin Yin