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The computer vision domain has greatly benefited from an abundance of data across many modalities to improve on various visual tasks. Recently, there has been a lot of focus on self-supervised pre-training methods through Masked…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Pîrvu Mihai-Cristian , Marius Leordeanu

Masked Autoencoders (MAE) have demonstrated promising performance in self-supervised learning for both 2D and 3D computer vision. Nevertheless, existing MAE-based methods still have certain drawbacks. Firstly, the functional decoupling…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Yang Liu , Chen Chen , Can Wang , Xulin King , Mengyuan Liu

Deep neural networks are powerful tools for biomedical image segmentation. These models are often trained with heavy supervision, relying on pairs of images and corresponding voxel-level labels. However, obtaining segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-04-30 Evan M. Yu , Juan Eugenio Iglesias , Adrian V. Dalca , Mert R. Sabuncu

Low-dose computed tomography (LDCT) offers reduced X-ray radiation exposure but at the cost of compromised image quality, characterized by increased noise and artifacts. Recently, transformer models emerged as a promising avenue to enhance…

图像与视频处理 · 电气工程与系统科学 2023-10-20 Dayang Wang , Yongshun Xu , Shuo Han , Zhan Wu , Li Zhou , Bahareh Morovati , Hengyong Yu

Despite the progresses on pre-trained language models, there is a lack of unified frameworks for pre-trained sentence representation. As such, it calls for different pre-training methods for specific scenarios, and the pre-trained models…

计算与语言 · 计算机科学 2022-08-02 Alexander Liu , Samuel Yang

Data reconstruction is a widely used pre-training task to learn the generalized features for many downstream tasks. Although reconstruction tasks have been applied to neural signal completion and denoising, neural signal reconstruction is…

神经元与认知 · 定量生物学 2024-07-02 Youzhi Qu , Junfeng Xia , Xinyao Jian , Wendu Li , Kaining Peng , Zhichao Liang , Haiyan Wu , Quanying Liu

Masked Autoencoder (MAE) has demonstrated superior performance on various vision tasks via randomly masking image patches and reconstruction. However, effective data augmentation strategies for MAE still remain open questions, different…

计算机视觉与模式识别 · 计算机科学 2024-02-08 Kai Chen , Zhili Liu , Lanqing Hong , Hang Xu , Zhenguo Li , Dit-Yan Yeung

Unsupervised multivariate time series (MTS) representation learning aims to extract compact and informative representations from raw sequences without relying on labels, enabling efficient transfer to diverse downstream tasks. In this…

机器学习 · 计算机科学 2025-09-22 Yi Xu , Yitian Zhang , Yun Fu

Inspired by the masked language modeling (MLM) in natural language processing tasks, the masked image modeling (MIM) has been recognized as a strong self-supervised pre-training method in computer vision. However, the high random mask ratio…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhaowen Li , Yousong Zhu , Zhiyang Chen , Wei Li , Chaoyang Zhao , Rui Zhao , Ming Tang , Jinqiao Wang

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…

计算机视觉与模式识别 · 计算机科学 2021-10-04 Ziwei Xu , Xudong Shen , Yongkang Wong , Mohan S Kankanhalli

Vision Transformer (ViT) suffers from data scarcity in semi-supervised learning (SSL). To alleviate this issue, inspired by masked autoencoder (MAE), which is a data-efficient self-supervised learner, we propose Semi-MAE, a pure ViT-based…

计算机视觉与模式识别 · 计算机科学 2023-01-05 Haojie Yu , Kang Zhao , Xiaoming Xu

In self-supervised learning, it is challenging to reduce the gap between the enhancement performance on the estimated and target speech signals with existed pre-tasks. In this paper, we propose a multi-task pre-training method to improve…

声音 · 计算机科学 2022-01-02 Yi Li , Yang Sun , Syed Mohsen Naqvi

Generalizing learned representations across significantly different visual domains is a fundamental yet crucial ability of the human visual system. While recent self-supervised learning methods have achieved good performances with…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Haiyang Yang , Meilin Chen , Yizhou Wang , Shixiang Tang , Feng Zhu , Lei Bai , Rui Zhao , Wanli Ouyang

Network traffic classification using self-supervised pre-training models based on Masked Autoencoders (MAE) has demonstrated a huge potential. However, existing methods are confined to isolated byte-level reconstruction of individual flows,…

密码学与安全 · 计算机科学 2026-04-01 Xiao Liu , Xiaowei Fu , Fuxiang Huang , Lei Zhang

Masked Autoencoders (MAE) have shown great potentials in self-supervised pre-training for language and 2D image transformers. However, it still remains an open question on how to exploit masked autoencoding for learning 3D representations…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Renrui Zhang , Ziyu Guo , Rongyao Fang , Bin Zhao , Dong Wang , Yu Qiao , Hongsheng Li , Peng Gao

Electrocardiogram (ECG) analysis is a fundamental tool for diagnosing cardiovascular conditions, yet anomaly detection in ECG signals remains challenging due to their inherent complexity and variability. We propose Multi-scale Masked…

机器学习 · 计算机科学 2025-02-11 Ya Zhou , Yujie Yang , Jianhuang Gan , Xiangjie Li , Jing Yuan , Wei Zhao

The last years have witnessed the emergence of a promising self-supervised learning strategy, referred to as masked autoencoding. However, there is a lack of theoretical understanding of how masking matters on graph autoencoders (GAEs). In…

机器学习 · 计算机科学 2023-05-30 Jintang Li , Ruofan Wu , Wangbin Sun , Liang Chen , Sheng Tian , Liang Zhu , Changhua Meng , Zibin Zheng , Weiqiang Wang

In this paper, we propose Language-Guided Contrastive Audio-Visual Masked Autoencoders (LG-CAV-MAE) to improve audio-visual representation learning. LG-CAV-MAE integrates a pretrained text encoder into contrastive audio-visual masked…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Yuchi Ishikawa , Shota Nakada , Hokuto Munakata , Kazuhiro Saito , Tatsuya Komatsu , Yoshimitsu Aoki

Biosignals acquired from different locations on the body often provide temporally ordered views of the same underlying physiological process. However, most existing self supervised learning methods treat these signals as interchangeable…

Contrastive Masked Autoencoder (CMAE), as a new self-supervised framework, has shown its potential of learning expressive feature representations in visual image recognition. This work shows that CMAE also trivially generalizes well on…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Cheng-Ze Lu , Xiaojie Jin , Zhicheng Huang , Qibin Hou , Ming-Ming Cheng , Jiashi Feng