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Learning sentence embeddings often requires a large amount of labeled data. However, for most tasks and domains, labeled data is seldom available and creating it is expensive. In this work, we present a new state-of-the-art unsupervised…

计算与语言 · 计算机科学 2021-09-13 Kexin Wang , Nils Reimers , Iryna Gurevych

Learning transferable representations from unlabeled time series is crucial for improving performance in data-scarce classification. Existing self-supervised methods often operate at the point level and rely on unidirectional encoding,…

机器学习 · 计算机科学 2026-03-02 Mingyue Cheng , Xiaoyu Tao , Zhiding Liu , Qi Liu , Hao Zhang , Rujiao Zhang , Enhong Chen

Conventional methods in semi-supervised learning (SSL) often face challenges related to limited data utilization, mainly due to their reliance on threshold-based techniques for selecting high-confidence unlabeled data during training.…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Wenjin Zhang , Keyi Li , Sen Yang , Chenyang Gao , Wanzhao Yang , Sifan Yuan , Ivan Marsic

In contrast to fully-supervised models, self-supervised representation learning only needs a fraction of data to be labeled and often achieves the same or even higher downstream performance. The goal is to pre-train deep neural networks on…

机器学习 · 计算机科学 2025-04-09 Friederike Baier , Sebastian Mair , Samuel G. Fadel

Artificial Intelligence (AI) has the potential to revolutionize diagnosis and segmentation in medical imaging. However, development and clinical implementation face multiple challenges including limited data availability, lack of…

图像与视频处理 · 电气工程与系统科学 2025-01-22 Zelong Liu , Andrew Tieu , Nikhil Patel , Georgios Soultanidis , Louisa Deyer , Ying Wang , Sean Huver , Alexander Zhou , Yunhao Mei , Zahi A. Fayad , Timothy Deyer , Xueyan Mei

Sparse Autoencoders (SAEs) are increasingly used to interpret foundation models, but their role as an actionable intervention space remains less understood, especially in vision. We study whether sparse visual features can be used not only…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Gerasimos Chatzoudis , Zhuowei Li , Gemma E. Moran , Hao Wang , Dimitris N. Metaxas

Graph representation learning is a fundamental research issue in various domains of applications, of which the inductive learning problem is particularly challenging as it requires models to generalize to unseen graph structures during…

机器学习 · 计算机科学 2024-03-27 Hanxuan Yang , Zhaoxin Yu , Qingchao Kong , Wei Liu , Wenji Mao

Semi-supervised action recognition is a challenging but critical task due to the high cost of video annotations. Existing approaches mainly use convolutional neural networks, yet current revolutionary vision transformer models have been…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Zhen Xing , Qi Dai , Han Hu , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

Most of the data-driven approaches applied to bearing fault diagnosis up to date are established in the supervised learning paradigm, which usually requires a large set of labeled data collected a priori. In practical applications, however,…

机器学习 · 计算机科学 2019-12-10 Shen Zhang , Fei Ye , Bingnan Wang , Thomas G. Habetler

Vision Transformers (ViTs) have become ubiquitous in computer vision. Despite their success, ViTs lack inductive biases, which can make it difficult to train them with limited data. To address this challenge, prior studies suggest training…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Srijan Das , Tanmay Jain , Dominick Reilly , Pranav Balaji , Soumyajit Karmakar , Shyam Marjit , Xiang Li , Abhijit Das , Michael S. Ryoo

Self-supervision has shown outstanding results for natural language processing, and more recently, for image recognition. Simultaneously, vision transformers and its variants have emerged as a promising and scalable alternative to…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Prarthana Bhattacharyya , Chenge Li , Xiaonan Zhao , István Fehérvári , Jason Sun

We present the development of a semi-supervised regression method using variational autoencoders (VAE), which is customized for use in soft sensing applications. We motivate the use of semi-supervised learning considering the fact that…

机器学习 · 计算机科学 2022-12-12 Yilin Zhuang , Zhuobin Zhou , Burak Alakent , Mehmet Mercangöz

Traditional approaches for Visual Question Answering (VQA) require large amount of labeled data for training. Unfortunately, such large scale data is usually not available for medical domain. In this paper, we propose a novel medical VQA…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Binh D. Nguyen , Thanh-Toan Do , Binh X. Nguyen , Tuong Do , Erman Tjiputra , Quang D. Tran

Self-supervised learning (SSL) enables learning useful inductive biases through utilizing pretext tasks that require no labels. The unlabeled nature of SSL makes it especially important for whole slide histopathological images (WSIs), where…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Wisdom Oluchi Ikezogwo , Mehmet Saygin Seyfioglu , Linda Shapiro

Building robust medical machine learning systems requires pretraining strategies that exploit the intrinsic structure present in clinical data. We introduce Multiview Masked Autoencoder (MVMAE), a self-supervised framework that leverages…

Vehicle re-identification is a cross-view search task by matching the same target vehicle from different perspectives. It serves an important role in road-vehicle collaboration and intelligent road control. With the large-scale and dynamic…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Jing Yang , Jianwu Fang , Hongke Xu

Masked image modeling (MIM) has become a popular strategy for self-supervised learning~(SSL) of visual representations with Vision Transformers. A representative MIM model, the masked auto-encoder (MAE), randomly masks a subset of image…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Youngwan Lee , Jeffrey Willette , Jonghee Kim , Juho Lee , Sung Ju Hwang

Masked Autoencoder (MAE) has recently been shown to be effective in pre-training Vision Transformers (ViT) for natural image analysis. By reconstructing full images from partially masked inputs, a ViT encoder aggregates contextual…

图像与视频处理 · 电气工程与系统科学 2023-04-24 Lei Zhou , Huidong Liu , Joseph Bae , Junjun He , Dimitris Samaras , Prateek Prasanna

Featurizing microscopy images for use in biological research remains a significant challenge, especially for large-scale experiments spanning millions of images. This work explores the scaling properties of weakly supervised classifiers and…

Data-driven fault diagnostics of safety-critical systems often faces the challenge of a complete lack of labeled data associated with faulty system conditions (i.e., fault types) at training time. Since an unknown number and nature of fault…

机器学习 · 计算机科学 2020-10-01 Manuel Arias Chao , Bryan T. Adey , Olga Fink