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Masked image modeling has been demonstrated as a powerful pretext task for generating robust representations that can be effectively generalized across multiple downstream tasks. Typically, this approach involves randomly masking patches…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Neelu Madan , Nicolae-Catalin Ristea , Kamal Nasrollahi , Thomas B. Moeslund , Radu Tudor Ionescu

Medical imaging tasks are very challenging due to the lack of publicly available labeled datasets. Hence, it is difficult to achieve high performance with existing deep-learning models as they require a massive labeled dataset to be trained…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Anubhav Gupta , Islam Osman , Mohamed S. Shehata , John W. Braun

We propose the Motion Capsule Autoencoder (MCAE), which addresses a key challenge in the unsupervised learning of motion representations: transformation invariance. MCAE models motion in a two-level hierarchy. In the lower level, a…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Ziwei Xu , Xudong Shen , Yongkang Wong , Mohan S Kankanhalli

Accurate imputation of missing laboratory values in electronic health records (EHRs) is critical to enable robust clinical predictions and reduce biases in AI systems in healthcare. Existing methods, such as XGBoost, softimpute, GAIN,…

Machine Learning · Computer Science 2025-06-27 David Restrepo , Chenwei Wu , Yueran Jia , Jaden K. Sun , Jack Gallifant , Catherine G. Bielick , Yugang Jia , Leo A. Celi

Unsupervised learning methods have become increasingly important in deep learning due to their demonstrated large utilization of datasets and higher accuracy in computer vision and natural language processing tasks. There is a growing trend…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Guoxin Wang , Qingyuan Wang , Ganesh Neelakanta Iyer , Avishek Nag , Deepu John

In the field of medical image segmentation, challenges such as indistinct lesion features, ambiguous boundaries,and multi-scale characteristics have long revailed. This paper proposes an improved method named Intensity-Spatial Dual Masked…

Image and Video Processing · Electrical Eng. & Systems 2025-02-17 Yuexing Ding , Jun Wang , Hongbing Lyu

Skeleton-based temporal action segmentation is a fundamental yet challenging task, playing a crucial role in enabling intelligent systems to perceive and respond to human activities. While fully-supervised methods achieve satisfactory…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Hongsong Wang , Yiqin Shen , Pengbo Yan , Jie Gui

Recent advancements in foundation models have significantly impacted various fields, including natural language processing, computer vision, and multi-modal tasks. One area that stands to benefit greatly is Earth observation, where these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Yohei Nakayama , Jiawei Su , Luis M. Pazos-Outón

Masked autoencoding has shown excellent performance on self-supervised video representation learning. Temporal redundancy has led to a high masking ratio and customized masking strategy in VideoMAE. In this paper, we aim to further improve…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Bingkun Huang , Zhiyu Zhao , Guozhen Zhang , Yu Qiao , Limin Wang

Masked Autoencoder (MAE) is a notable method for self-supervised pretraining in visual representation learning. It operates by randomly masking image patches and reconstructing these masked patches using the unmasked ones. A key limitation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Han Guo , Ramtin Hosseini , Ruiyi Zhang , Sai Ashish Somayajula , Ranak Roy Chowdhury , Rajesh K. Gupta , Pengtao Xie

Learning representations from videos requires understanding continuous motion and visual correspondences between frames. In this paper, we introduce the Concatenated Masked Autoencoders (CatMAE) as a spatial-temporal learner for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Zhouqiang Jiang , Bowen Wang , Tong Xiang , Zhaofeng Niu , Hong Tang , Guangshun Li , Liangzhi Li

The scarcity of annotated data in LiDAR point cloud understanding hinders effective representation learning. Consequently, scholars have been actively investigating efficacious self-supervised pre-training paradigms. Nevertheless, temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Weijie Wei , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

The development of deep learning models in medical image analysis is majorly limited by the lack of large-sized and well-annotated datasets. Unsupervised learning does not require labels and is more suitable for solving medical image…

Computer Vision and Pattern Recognition · Computer Science 2023-01-06 Zi'an Xu , Yin Dai , Fayu Liu , Weibing Chen , Yue Liu , Lifu Shi , Sheng Liu , Yuhang Zhou

Masked Autoencoder (MAE) is a self-supervised approach for representation learning, widely applicable to a variety of downstream tasks in computer vision. In spite of its success, it is still not fully uncovered what and how MAE exactly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Jeongwoo Shin , Inseo Lee , Junho Lee , Joonseok Lee

We investigated the adaptation and performance of Masked Autoencoders (MAEs) with Vision Transformer (ViT) architectures for self-supervised representation learning on one-dimensional (1D) ultrasound signals. Although MAEs have demonstrated…

Machine Learning · Computer Science 2025-08-29 Immanuel Roßteutscher , Klaus S. Drese , Thorsten Uphues

Recently, self-supervised Masked Autoencoders (MAE) have attracted unprecedented attention for their impressive representation learning ability. However, the pretext task, Masked Image Modeling (MIM), reconstructs the missing local patches,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Feng Liang , Yangguang Li , Diana Marculescu

Masked Autoencoding (MAE) has emerged as an effective approach for pre-training representations across multiple domains. In contrast to discrete tokens in natural languages, the input for image MAE is continuous and subject to additional…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Ronghang Hu , Shoubhik Debnath , Saining Xie , Xinlei Chen

Current perception models in autonomous driving heavily rely on large-scale labelled 3D data, which is both costly and time-consuming to annotate. This work proposes a solution to reduce the dependence on labelled 3D training data by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chen Min , Xinli Xu , Dawei Zhao , Liang Xiao , Yiming Nie , Bin Dai

Self-supervised learning (SSL) enables learning useful inductive biases through utilizing pretext tasks that require no labels. The unlabeled nature of SSL makes it especially important for whole slide histopathological images (WSIs), where…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Wisdom Oluchi Ikezogwo , Mehmet Saygin Seyfioglu , Linda Shapiro

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

Image and Video Processing · Electrical Eng. & Systems 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna