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Self-supervised learning (SSL) methods have become a dominant paradigm for creating general purpose models whose capabilities can be transferred to downstream supervised learning tasks. However, most such methods rely on vast amounts of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Lakshay Sharma , Alex Marin

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…

Transformer-based audio self-supervised learning (SSL) models commonly use spectrograms, vision-style Transformers, and masked modeling objectives. However, convolutional patchification with temporal downsampling lowers the effective…

Sound · Computer Science 2026-05-15 Kohei Yamamoto , Kosuke Okusa

We present a method for transferring pre-trained self-supervised (SSL) speech representations to multiple languages. There is an abundance of unannotated speech, so creating self-supervised representations from raw audio and fine-tuning on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Samuel Kessler , Bethan Thomas , Salah Karout

Electroencephalography signals (EEGs) contain rich multi-scale information crucial for understanding brain states, with potential applications in diagnosing and advancing the drug development landscape. However, extracting meaningful…

Machine Learning · Computer Science 2025-09-26 D. Darankoum , C. Habermacher , J. Volle , S. Grudinin

Recently, self-supervised learning (SSL) methods have been used in pre-training the segmentation models for 2D and 3D medical images. Most of these methods are based on reconstruction, contrastive learning and consistency regularization.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Haofeng Li , Yiming Ouyang , Xiang Wan

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…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Yezhen Cong , Samar Khanna , Chenlin Meng , Patrick Liu , Erik Rozi , Yutong He , Marshall Burke , David B. Lobell , Stefano Ermon

Videos are a rich source for self-supervised learning (SSL) of visual representations due to the presence of natural temporal transformations of objects. However, current methods typically randomly sample video clips for learning, which…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Brian Chen , Ramprasaath R. Selvaraju , Shih-Fu Chang , Juan Carlos Niebles , Nikhil Naik

Labeling of multivariate biomedical time series data is a laborious and expensive process. Self-supervised contrastive learning alleviates the need for large, labeled datasets through pretraining on unlabeled data. However, for multivariate…

Machine Learning · Statistics 2023-07-21 Thea Brüsch , Mikkel N. Schmidt , Tommy S. Alstrøm

Wearable EEG devices have emerged as a promising alternative to polysomnography (PSG). As affordable and scalable solutions, their widespread adoption results in the collection of massive volumes of unlabeled data that cannot be analyzed by…

Human-Computer Interaction · Computer Science 2026-03-12 Emilio Estevan , María Sierra-Torralba , Eduardo López-Larraz , Luis Montesano

Self-supervised learning has produced impressive results in multimedia domains of audio, vision and speech. This paradigm is equally, if not more, relevant for the domain of biosignals, owing to the scarcity of labelled data in such…

Machine Learning · Computer Science 2024-03-07 Aditya Kommineni , Kleanthis Avramidis , Richard Leahy , Shrikanth Narayanan

Electronic Health Records (EHR) data, a rich source for biomedical research, have been successfully used to gain novel insight into a wide range of diseases. Despite its potential, EHR is currently underutilized for discovery research due…

Methodology · Statistics 2021-09-14 Yichi Zhang , Molei Liu , Matey Neykov , Tianxi Cai

Contrastive learning of auditory and visual perception has been extremely successful when investigated individually. However, there are still major questions on how we could integrate principles learned from both domains to attain effective…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Haider Al-Tahan , Yalda Mohsenzadeh

Self supervised learning (SSL) is a machine learning paradigm where models learn to understand the underlying structure of data without explicit supervision from labeled samples. The acquired representations from SSL have demonstrated…

Machine Learning · Computer Science 2025-12-11 Yunshan Duan , Sinead Williamson

Semantic segmentation of satellite imagery is crucial for Earth observation applications, but remains constrained by limited labelled training data. While self-supervised pretraining methods like Masked Autoencoders (MAE) have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-07-17 John Waithaka , Moise Busogi

Self-supervised learning (SSL) methods have shown promise for medical imaging applications by learning meaningful visual representations, even when the amount of labeled data is limited. Here, we extend state-of-the-art contrastive learning…

Recent advancements in Deep and Self-Supervised Learning (SSL) have led to substantial improvements in Speech Emotion Recognition (SER) performance, reaching unprecedented levels. However, obtaining sufficient amounts of accurately labeled…

Computation and Language · Computer Science 2025-02-25 Bulat Khaertdinov , Pedro Jeuris , Annanda Sousa , Enrique Hortal

Supervised learning methods have shown effectiveness in estimating spatial acoustic parameters such as time difference of arrival, direct-to-reverberant ratio and reverberation time. However, they still suffer from the simulation-to-reality…

Sound · Computer Science 2024-09-10 Bing Yang , Xiaofei Li

The objective of this paper is to learn semantic representations for sleep stage classification from raw physiological time series. Although supervised methods have gained remarkable performance, they are limited in clinical situations due…

Signal Processing · Electrical Eng. & Systems 2021-10-20 Hongjun Zhang , Jing Wang , Qinfeng Xiao , Jiaoxue Deng , Youfang Lin

Pretraining has become a standard technique in computer vision and natural language processing, which usually helps to improve performance substantially. Previously, the most dominant pretraining method is transfer learning (TL), which uses…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Xingyi Yang , Xuehai He , Yuxiao Liang , Yue Yang , Shanghang Zhang , Pengtao Xie