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Unsupervised representation learning holds the promise of exploiting large amounts of unlabeled data to learn general representations. A promising technique for unsupervised learning is the framework of Variational Auto-encoders (VAEs).…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Kamal Gupta , Saurabh Singh , Abhinav Shrivastava

Affective video facial analysis (AVFA) has emerged as a key research field for building emotion-aware intelligent systems, yet this field continues to suffer from limited data availability. In recent years, the self-supervised learning…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Xuecheng Wu , Junxiao Xue , Xinyi Yin , Yunyun Shi , Liangyu Fu , Danlei Huang , Yifan Wang , Jia Zhang , Jiayu Nie , Jun Wang

Mask-based pretraining has become a cornerstone of modern large-scale models across language, vision, and recently biology. Despite its empirical success, its role and limits in learning data representations have been unclear. In this work,…

机器学习 · 计算机科学 2025-09-29 Mingze Dong , Leda Wang , Yuval Kluger

Masked autoencoding has become a successful pretraining paradigm for Transformer models for text, images, and, recently, point clouds. Raw automotive datasets are suitable candidates for self-supervised pre-training as they generally are…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Georg Hess , Johan Jaxing , Elias Svensson , David Hagerman , Christoffer Petersson , Lennart Svensson

With the development of generative-based self-supervised learning (SSL) approaches like BeiT and MAE, how to learn good representations by masking random patches of the input image and reconstructing the missing information has grown in…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yabo Chen , Yuchen Liu , Dongsheng Jiang , Xiaopeng Zhang , Wenrui Dai , Hongkai Xiong , Qi Tian

This paper explores improvements to the masked image modeling (MIM) paradigm. The MIM paradigm enables the model to learn the main object features of the image by masking the input image and predicting the masked part by the unmasked part.…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Honggu Zhou

Existing LiDAR-based 3D object detection methods for autonomous driving scenarios mainly adopt the training-from-scratch paradigm. Unfortunately, this paradigm heavily relies on large-scale labeled data, whose collection can be expensive…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Zhiwei Lin , Yongtao Wang , Shengxiang Qi , Nan Dong , Ming-Hsuan Yang

Subtle hand differences make sign language recognition challenging, yet many existing methods rely on encoders pretrained on generic action datasets that poorly capture such fine-grained cues. We propose a self-supervised pretraining method…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Kunyuan Xie , Zhixi Cai , Kalin Stefanov

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,…

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…

图像与视频处理 · 电气工程与系统科学 2025-02-17 Yuexing Ding , Jun Wang , Hongbing Lyu

Medical image segmentation remains a formidable challenge due to the label scarcity. Pre-training Vision Transformer (ViT) through masked image modeling (MIM) on large-scale unlabeled medical datasets presents a promising solution,…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Fenghe Tang , Qingsong Yao , Wenxin Ma , Chenxu Wu , Zihang Jiang , S. Kevin Zhou

Federated learning is a specific distributed learning paradigm in which a central server aggregates updates from multiple clients' local models, thereby enabling the server to learn without requiring clients to upload their private data,…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuchen He , Xiangfeng Wang

Unsupervised pre-training methods for large vision models have shown to enhance performance on downstream supervised tasks. Developing similar techniques for satellite imagery presents significant opportunities as unlabelled data is…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yezhen Cong , Samar Khanna , Chenlin Meng , Patrick Liu , Erik Rozi , Yutong He , Marshall Burke , David B. Lobell , Stefano Ermon

Video Variational Autoencoder (VAE) enables latent video generative modeling by mapping the visual world into compact spatiotemporal latent spaces, improving training efficiency and stability. While existing video VAEs achieve commendable…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Yian Zhao , Feng Wang , Qiushan Guo , Chang Liu , Xiangyang Ji , Jian Zhang , Jie Chen

The use of self-supervised pre-training has emerged as a promising approach to enhance the performance of many different visual tasks. In this context, recent approaches have employed the Masked Image Modeling paradigm, which pre-trains a…

计算机视觉与模式识别 · 计算机科学 2025-01-23 Lorenzo Baraldi , Roberto Amoroso , Marcella Cornia , Lorenzo Baraldi , Andrea Pilzer , Rita Cucchiara

Echocardiography is a widely used modality for cardiac assessment due to its non-invasive and cost-effective nature, but the sparse and heterogeneous spatiotemporal views of the heart pose distinct challenges. Existing masked autoencoder…

Audio-Visual Emotion Recognition (AVER) has garnered increasing attention in recent years for its critical role in creating emotion-ware intelligent machines. Previous efforts in this area are dominated by the supervised learning paradigm.…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Licai Sun , Zheng Lian , Bin Liu , Jianhua Tao

Recent years have seen remarkable progress in speech emotion recognition (SER), thanks to advances in deep learning techniques. However, the limited availability of labeled data remains a significant challenge in the field. Self-supervised…

声音 · 计算机科学 2023-04-24 Samir Sadok , Simon Leglaive , Renaud Séguier

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…

Video understanding has witnessed significant progress with recent video foundation models demonstrating strong performance owing to self-supervised pre-training objectives; Masked Autoencoders (MAE) being the design of choice.…