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Recent unsupervised representation learning methods have shown to be effective in a range of vision tasks by learning representations invariant to data augmentations such as random cropping and color jittering. However, such invariance…

Machine Learning · Computer Science 2021-11-19 Hankook Lee , Kibok Lee , Kimin Lee , Honglak Lee , Jinwoo Shin

Self-supervised representation learning~(SSRL) has advanced considerably by exploiting the transformation invariance assumption under artificially designed data augmentations. While augmentation-based SSRL algorithms push the boundaries of…

Machine Learning · Computer Science 2024-03-22 Yi Sui , Tongzi Wu , Jesse C. Cresswell , Ga Wu , George Stein , Xiao Shi Huang , Xiaochen Zhang , Maksims Volkovs

Self-supervised learning is a powerful paradigm for representation learning on unlabelled images. A wealth of effective new methods based on instance matching rely on data-augmentation to drive learning, and these have reached a rough…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Linus Ericsson , Henry Gouk , Timothy M. Hospedales

Data augmentation is a widely used technique and an essential ingredient in the recent advance in self-supervised representation learning. By preserving the similarity between augmented data, the resulting data representation can improve…

Machine Learning · Statistics 2025-01-16 Shulei Wang

Self-supervised representation learning has shown remarkable success in a number of domains. A common practice is to perform data augmentation via hand-crafted transformations intended to leave the semantics of the data invariant. We seek…

The rapid progress in machine learning methods has been empowered by i) huge datasets that have been collected and annotated, ii) improved engineering (e.g. data pre-processing/normalization). The existing datasets typically include several…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Grigorios G. Chrysos , Yannis Panagakis , Stefanos Zafeiriou

Self-supervised learning has become a popular approach in recent years for its ability to learn meaningful representations without the need for data annotation. This paper proposes a novel image augmentation technique, overlaying images,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-25 Yinheng Li , Han Ding , Shaofei Wang

Augmentation-based self-supervised learning methods have shown remarkable success in self-supervised visual representation learning, excelling in learning invariant features but often neglecting equivariant ones. This limitation reduces the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Qin Wang , Kai Krajsek , Hanno Scharr

The standard approach to modern self-supervised learning is to generate random views through data augmentations and minimise a loss computed from the representations of these views. This inherently encourages invariance to the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 David Torpey , Richard Klein

Contrastive learning enables learning useful audio and speech representations without ground-truth labels by maximizing the similarity between latent representations of similar signal segments. In this framework various data augmentation…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-11 Salah Zaiem , Titouan Parcollet , Slim Essid

Pre-trained deep image representations are useful for post-training tasks such as classification through transfer learning, image retrieval, and object detection. Data augmentations are a crucial aspect of pre-training robust…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Sangnie Bhardwaj , Willie McClinton , Tongzhou Wang , Guillaume Lajoie , Chen Sun , Phillip Isola , Dilip Krishnan

Data augmentation is a key element in training high-dimensional models. In this approach, one synthesizes new observations by applying pre-specified transformations to the original training data; e.g.~new images are formed by rotating old…

Computer Vision and Pattern Recognition · Computer Science 2016-07-01 Søren Hauberg , Oren Freifeld , Anders Boesen Lindbo Larsen , John W. Fisher , Lars Kai Hansen

In recent years, self-supervised learning has been studied to deal with the limitation of available labeled-dataset. Among the major components of self-supervised learning, the data augmentation pipeline is one key factor in enhancing the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Van-Nhiem Tran , Chi-En Huang , Shen-Hsuan Liu , Kai-Lin Yang , Timothy Ko , Yung-Hui Li

Self-supervised learning of convolutional neural networks can harness large amounts of cheap unlabeled data to train powerful feature representations. As surrogate task, we jointly address ordering of visual data in the spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Uta Büchler , Biagio Brattoli , Björn Ommer

In past research on self-supervised learning for image classification, the use of rotation as an augmentation has been common. However, relying solely on rotation as a self-supervised transformation can limit the ability of the model to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Erland Hilman Fuadi , Aristo Renaldo Ruslim , Putu Wahyu Kusuma Wardhana , Novanto Yudistira

Data augmentation is a powerful technique to improve performance in applications such as image and text classification tasks. Yet, there is little rigorous understanding of why and how various augmentations work. In this work, we consider a…

Machine Learning · Computer Science 2023-07-28 Sen Wu , Hongyang R. Zhang , Gregory Valiant , Christopher Ré

Recent semi-supervised and self-supervised methods have shown great success in the image and text domain by utilizing augmentation techniques. Despite such success, it is not easy to transfer this success to tabular domains. It is not easy…

Machine Learning · Computer Science 2022-12-05 Morteza Mohammady Gharasuie , Fenjiao Wang

Existing data augmentation in self-supervised learning, while diverse, fails to preserve the inherent structure of natural images. This results in distorted augmented samples with compromised semantic information, ultimately impacting…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Renan A. Rojas-Gomez , Karan Singhal , Ali Etemad , Alex Bijamov , Warren R. Morningstar , Philip Andrew Mansfield

Data augmentation is critical to the empirical success of modern self-supervised representation learning, such as contrastive learning and masked language modeling. However, a theoretical understanding of the exact role of augmentation…

Machine Learning · Computer Science 2024-01-19 Runtian Zhai , Bingbin Liu , Andrej Risteski , Zico Kolter , Pradeep Ravikumar

We consider the problem of unsupervised domain adaptation for image classification. To learn target-domain-aware features from the unlabeled data, we create a self-supervised pretext task by augmenting the unlabeled data with a certain type…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 L. Xiao , J. Xu , D. Zhao , Z. Wang , L. Wang , Y. Nie , B. Dai
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