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Decentralized learning has been advocated and widely deployed to make efficient use of distributed datasets, with an extensive focus on supervised learning (SL) problems. Unfortunately, the majority of real-world data are unlabeled and can…

机器学习 · 计算机科学 2023-03-01 Lirui Wang , Kaiqing Zhang , Yunzhu Li , Yonglong Tian , Russ Tedrake

Self-supervised learning (SSL) has emerged as a powerful technique for learning rich representations from unlabeled data. The data representations are able to capture many underlying attributes of data, and be useful in downstream…

机器学习 · 计算机科学 2023-12-01 Weicheng Zhu , Sheng Liu , Carlos Fernandez-Granda , Narges Razavian

Despite the empirical successes of self-supervised learning (SSL) methods, it is unclear what characteristics of their representations lead to high downstream accuracies. In this work, we characterize properties that SSL representations…

机器学习 · 计算机科学 2022-12-13 Yann Dubois , Tatsunori Hashimoto , Stefano Ermon , Percy Liang

Adversarial training (AT) for robust representation learning and self-supervised learning (SSL) for unsupervised representation learning are two active research fields. Integrating AT into SSL, multiple prior works have accomplished a…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Chaoning Zhang , Kang Zhang , Chenshuang Zhang , Axi Niu , Jiu Feng , Chang D. Yoo , In So Kweon

In Self-Supervised Learning (SSL), various pretext tasks are designed for learning feature representations through contrastive loss. However, previous studies have shown that this loss is less tolerant to semantically similar samples due to…

音频与语音处理 · 电气工程与系统科学 2023-03-07 Shanshan Wang , Soumya Tripathy , Annamaria Mesaros

Self-supervised learning (SSL), which utilizes the input data itself for representation learning, has achieved state-of-the-art results for various downstream speech tasks. However, most of the previous studies focused on offline…

音频与语音处理 · 电气工程与系统科学 2022-11-11 Zili Huang , Zhuo Chen , Naoyuki Kanda , Jian Wu , Yiming Wang , Jinyu Li , Takuya Yoshioka , Xiaofei Wang , Peidong Wang

In self-supervised learning (SSL), representations are learned via an auxiliary task without annotated labels. A common task is to classify augmentations or different modalities of the data, which share semantic content (e.g. an object in…

机器学习 · 计算机科学 2024-10-16 Alice Bizeul , Bernhard Schölkopf , Carl Allen

This work presents a novel domain adaption paradigm for studying contrastive self-supervised representation learning and knowledge transfer using remote sensing satellite data. Major state-of-the-art remote sensing visual domain efforts…

计算机视觉与模式识别 · 计算机科学 2023-04-21 Muskaan Chopra , Prakash Chandra Chhipa , Gopal Mengi , Varun Gupta , Marcus Liwicki

We consider the problem of semi-supervised 3D action recognition which has been rarely explored before. Its major challenge lies in how to effectively learn motion representations from unlabeled data. Self-supervised learning (SSL) has been…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Chenyang Si , Xuecheng Nie , Wei Wang , Liang Wang , Tieniu Tan , Jiashi Feng

Self-supervised learning (SSL) learns high-quality representations from large pools of unlabeled training data. As datasets grow larger, it becomes crucial to identify the examples that contribute the most to learning such representations.…

机器学习 · 计算机科学 2024-03-14 Siddharth Joshi , Baharan Mirzasoleiman

Self-supervised learning (SSL) offers a powerful way to learn robust, generalizable representations without labeled data. In music, where labeled data is scarce, existing SSL methods typically use generated supervision and multi-view…

声音 · 计算机科学 2024-11-06 Julia Wilkins , Sivan Ding , Magdalena Fuentes , Juan Pablo Bello

Self-supervised learning (SSL) has become a popular method for generating invariant representations without the need for human annotations. Nonetheless, the desired invariant representation is achieved by utilising prior online…

机器学习 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

There is a growing literature demonstrating the feasibility of using Radio Frequency (RF) signals to enable key computer vision tasks in the presence of occlusions and poor lighting. It leverages that RF signals traverse walls and…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Tianhong Li , Lijie Fan , Yuan Yuan , Dina Katabi

The upcoming Square Kilometer Array (SKA) telescope marks a significant step forward in radio astronomy, presenting new opportunities and challenges for data analysis. Traditional visual models pretrained on optical photography images may…

Semi-supervised learning (SSL) provides a powerful framework for leveraging unlabeled data when labels are limited or expensive to obtain. SSL algorithms based on deep neural networks have recently proven successful on standard benchmark…

机器学习 · 计算机科学 2019-05-28 Jiaxing Wang , Yin Zheng , Xiaoshuang Chen , Junzhou Huang , Jian Cheng

Self-supervised learning (SSL) has emerged as a promising paradigm for learning flexible speech representations from unlabeled data. By designing pretext tasks that exploit statistical regularities, SSL models can capture useful…

声音 · 计算机科学 2024-01-25 Yusuf Brima , Ulf Krumnack , Simone Pika , Gunther Heidemann

Collecting large-scale medical datasets with fully annotated samples for training of deep networks is prohibitively expensive, especially for 3D volume data. Recent breakthroughs in self-supervised learning (SSL) offer the ability to…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Duy M. H. Nguyen , Hoang Nguyen , Mai T. N. Truong , Tri Cao , Binh T. Nguyen , Nhat Ho , Paul Swoboda , Shadi Albarqouni , Pengtao Xie , Daniel Sonntag

Self-supervised learning (SSL) recently has achieved outstanding success on recommendation. By setting up an auxiliary task (either predictive or contrastive), SSL can discover supervisory signals from the raw data without human annotation,…

信息检索 · 计算机科学 2022-07-26 Yinghui Tao , Min Gao , Junliang Yu , Zongwei Wang , Qingyu Xiong , Xu Wang

Self-Supervised Learning (SSL) is an important paradigm for learning representations from unlabelled data, and SSL with neural networks has been highly successful in practice. However current theoretical analysis of SSL is mostly restricted…

机器学习 · 计算机科学 2023-09-06 Pascal Esser , Satyaki Mukherjee , Debarghya Ghoshdastidar

A major limitation in applying deep learning to artificial intelligence (AI) systems is the scarcity of high-quality curated datasets. We investigate strong augmentation based self-supervised learning (SSL) techniques to address this…

图像与视频处理 · 电气工程与系统科学 2022-03-18 John D. Miller , Vignesh A. Arasu , Albert X. Pu , Laurie R. Margolies , Weiva Sieh , Li Shen