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Related papers: CLAR: Contrastive Learning of Auditory Representat…

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Human Activity Recognition (HAR) constitutes one of the most important tasks for wearable and mobile sensing given its implications in human well-being and health monitoring. Motivated by the limitations of labeled datasets in HAR,…

Machine Learning · Computer Science 2021-02-12 Chi Ian Tang , Ignacio Perez-Pozuelo , Dimitris Spathis , Cecilia Mascolo

Contrastive self-supervised learning methods famously produce high quality transferable representations by learning invariances to different data augmentations. Invariances established during pre-training can be interpreted as strong…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Ruchika Chavhan , Henry Gouk , Jan Stuehmer , Calum Heggan , Mehrdad Yaghoobi , Timothy Hospedales

While deep learning has enabled great advances in many areas of music, labeled music datasets remain especially hard, expensive, and time-consuming to create. In this work, we introduce SimCLR to the music domain and contribute a large…

Sound · Computer Science 2021-09-28 Janne Spijkervet , John Ashley Burgoyne

Contrastive self-supervised learning (SSL) learns an embedding space that maps similar data pairs closer and dissimilar data pairs farther apart. Despite its success, one issue has been overlooked: the fairness aspect of representations…

Unsupervised learning has been a long-standing goal of machine learning and is especially important for medical image analysis, where the learning can compensate for the scarcity of labeled datasets. A promising subclass of unsupervised…

Image and Video Processing · Electrical Eng. & Systems 2021-09-09 Ozan Ciga , Tony Xu , Anne L. Martel

Spoken language understanding (SLU) is an essential task for machines to understand human speech for better interactions. However, errors from the automatic speech recognizer (ASR) usually hurt the understanding performance. In reality, ASR…

Computation and Language · Computer Science 2022-06-28 Ya-Hsin Chang , Yun-Nung Chen

Previous work on action representation learning focused on global representations for short video clips. In contrast, many practical applications, such as video alignment, strongly demand learning the intensive representation of long…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Minghao Chen , Renbo Tu , Chenxi Huang , Yuqi Lin , Boxi Wu , Deng Cai

Contrastive learning has achieved remarkable success in representation learning via self-supervision in unsupervised settings. However, effectively adapting contrastive learning to supervised learning tasks remains as a challenge in…

Computation and Language · Computer Science 2022-01-24 Qianben Chen , Richong Zhang , Yaowei Zheng , Yongyi Mao

Recently, contrastive learning has been shown to be effective in improving pre-trained language models (PLM) to derive high-quality sentence representations. It aims to pull close positive examples to enhance the alignment while push apart…

Computation and Language · Computer Science 2022-05-03 Kun Zhou , Beichen Zhang , Wayne Xin Zhao , Ji-Rong Wen

Recent breakthroughs in self-supervised learning show that such algorithms learn visual representations that can be transferred better to unseen tasks than joint-training methods relying on task-specific supervision. In this paper, we found…

Machine Learning · Computer Science 2021-06-29 Hyuntak Cha , Jaeho Lee , Jinwoo Shin

Self-supervised learning is an empirically successful approach to unsupervised learning based on creating artificial supervised learning problems. A popular self-supervised approach to representation learning is contrastive learning, which…

Machine Learning · Computer Science 2021-04-16 Christopher Tosh , Akshay Krishnamurthy , Daniel Hsu

The underlying correlation between audio and visual modalities can be utilized to learn supervised information for unlabeled videos. In this paper, we propose an end-to-end self-supervised framework named Audio-Visual Contrastive Learning…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Yang Liu , Ying Tan , Haoyuan Lan

Self-supervised learning approach like contrastive learning is attached great attention in natural language processing. It uses pairs of training data augmentations to build a classification task for an encoder with well representation…

Computation and Language · Computer Science 2021-12-03 Deshui Miao , Jiaqi Zhang , Wenbo Xie , Jian Song , Xin Li , Lijuan Jia , Ning Guo

In Computer Vision, self-supervised contrastive learning enforces similar representations between different views of the same image. The pre-training is most often performed on image classification datasets, like ImageNet, where images…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Benjamin Missaoui , Chongbin Yuan

Contrastive pretraining is well-known to improve downstream task performance and model generalisation, especially in limited label settings. However, it is sensitive to the choice of augmentation pipeline. Positive pairs should preserve…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Melanie Roschewitz , Fabio De Sousa Ribeiro , Tian Xia , Galvin Khara , Ben Glocker

Contrastive learning (CL) has recently emerged as an effective approach to learning representation in a range of downstream tasks. Central to this approach is the selection of positive (similar) and negative (dissimilar) sets to provide the…

Machine Learning · Computer Science 2021-10-25 Anh Bui , Trung Le , He Zhao , Paul Montague , Seyit Camtepe , Dinh Phung

Self-supervised contrastive representation learning has proved incredibly successful in the vision and natural language domains, enabling state-of-the-art performance with orders of magnitude less labeled data. However, such methods are…

Machine Learning · Computer Science 2022-03-17 Dara Bahri , Heinrich Jiang , Yi Tay , Donald Metzler

Contrastive learning is one of the fastest growing research areas in machine learning due to its ability to learn useful representations without labeled data. However, contrastive learning is susceptible to feature suppression, i.e., it may…

Machine Learning · Computer Science 2021-11-30 Tianhong Li , Lijie Fan , Yuan Yuan , Hao He , Yonglong Tian , Rogerio Feris , Piotr Indyk , Dina Katabi

Self-Supervised Learning (SSL) is a paradigm that leverages unlabeled data for model training. Empirical studies show that SSL can achieve promising performance in distribution shift scenarios, where the downstream and training…

Machine Learning · Computer Science 2023-12-13 Xuyang Zhao , Tianqi Du , Yisen Wang , Jun Yao , Weiran Huang

Contrastive self-supervised learning (CSL) for speaker verification (SV) has drawn increasing interest recently due to its ability to exploit unlabeled data. Performing data augmentation on raw waveforms, such as adding noise or…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-12 Chong-Xin Gan , Man-Wai Mak , Weiwei Lin , Jen-Tzung Chien