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Detecting anomalies for multivariate time-series without manual supervision continues a challenging problem due to the increased scale of dimensions and complexity of today's IT monitoring systems. Recent progress of unsupervised…

机器学习 · 计算机科学 2021-10-19 Qinfeng Xiao , Shikuan Shao , Jing Wang

Event cameras asynchronously capture brightness changes with low latency, high temporal resolution, and high dynamic range. However, annotation of event data is a costly and laborious process, which limits the use of deep learning methods…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Simon Klenk , David Bonello , Lukas Koestler , Nikita Araslanov , Daniel Cremers

Masked AutoEncoder (MAE) has revolutionized the field of self-supervised learning with its simple yet effective masking and reconstruction strategies. However, despite achieving state-of-the-art performance across various downstream vision…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Xiaoyu Yue , Lei Bai , Meng Wei , Jiangmiao Pang , Xihui Liu , Luping Zhou , Wanli Ouyang

Recent studies have shown great promise in unsupervised representation learning (URL) for multivariate time series, because URL has the capability in learning generalizable representation for many downstream tasks without using inaccessible…

机器学习 · 计算机科学 2024-08-20 Zhiyu Liang , Jianfeng Zhang , Chen Liang , Hongzhi Wang , Zheng Liang , Lujia Pan

Deep learning has significantly improved time series classification, yet the lack of explainability in these models remains a major challenge. While Explainable AI (XAI) techniques aim to make model decisions more transparent, their…

机器学习 · 计算机科学 2026-02-16 Yannik Hahn , Antonin Königsfeld , Hasan Tercan , Tobias Meisen

For a complete comprehension of multi-person scenes, it is essential to go beyond basic tasks like detection and tracking. Higher-level tasks, such as understanding the interactions and social activities among individuals, are also crucial.…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Mahsa Ehsanpour , Ian Reid , Hamid Rezatofighi

Masked Autoencoder~(MAE) is a prevailing self-supervised learning method that achieves promising results in model pre-training. However, when the various downstream tasks have data distributions different from the pre-training data, the…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Zhili Liu , Kai Chen , Jianhua Han , Lanqing Hong , Hang Xu , Zhenguo Li , James T. Kwok

To better support retrieval applications such as web search and question answering, growing effort is made to develop retrieval-oriented language models. Most of the existing works focus on improving the semantic representation capability…

计算与语言 · 计算机科学 2022-11-17 Shitao Xiao , Zheng Liu

Masked image modeling has been demonstrated as a powerful pretext task for generating robust representations that can be effectively generalized across multiple downstream tasks. Typically, this approach involves randomly masking patches…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Neelu Madan , Nicolae-Catalin Ristea , Kamal Nasrollahi , Thomas B. Moeslund , Radu Tudor Ionescu

Inspired by the masked language modeling (MLM) in natural language processing tasks, the masked image modeling (MIM) has been recognized as a strong self-supervised pre-training method in computer vision. However, the high random mask ratio…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Zhaowen Li , Yousong Zhu , Zhiyang Chen , Wei Li , Chaoyang Zhao , Rui Zhao , Ming Tang , Jinqiao Wang

To better support information retrieval tasks such as web search and open-domain question answering, growing effort is made to develop retrieval-oriented language models, e.g., RetroMAE and many others. Most of the existing works focus on…

计算与语言 · 计算机科学 2023-05-05 Shitao Xiao , Zheng Liu , Yingxia Shao , Zhao Cao

In this work, we investigate unsupervised representation learning on medical time series, which bears the promise of leveraging copious amounts of existing unlabeled data in order to eventually assist clinical decision making. By evaluating…

机器学习 · 计算机科学 2018-12-04 Xinrui Lyu , Matthias Hueser , Stephanie L. Hyland , George Zerveas , Gunnar Raetsch

In this paper, we investigate how to learn a suitable representation of satellite image time series in an unsupervised manner by leveraging large amounts of unlabeled data. Additionally , we aim to disentangle the representation of time…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Eduardo Sanchez , Mathieu Serrurier , Mathias Ortner

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

This paper presents TCE: Temporally Coherent Embeddings for self-supervised video representation learning. The proposed method exploits inherent structure of unlabeled video data to explicitly enforce temporal coherency in the embedding…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Joshua Knights , Ben Harwood , Daniel Ward , Anthony Vanderkop , Olivia Mackenzie-Ross , Peyman Moghadam

Masked Autoencoder (MAE) is a self-supervised approach for representation learning, widely applicable to a variety of downstream tasks in computer vision. In spite of its success, it is still not fully uncovered what and how MAE exactly…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Jeongwoo Shin , Inseo Lee , Junho Lee , Joonseok Lee

In this paper, we investigate self-supervised pre-training methods for document text recognition. Nowadays, large unlabeled datasets can be collected for many research tasks, including text recognition, but it is costly to annotate them.…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Martin Kišš , Michal Hradiš

Face swapping has gained significant attention for its varied applications. Most previous face swapping approaches have relied on the seesaw game training scheme, also known as the target-oriented approach. However, this often leads to…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jaeseong Lee , Junha Hyung , Sohyun Jeong , Jaegul Choo

In this work, we explore regions as a potential visual analogue of words for self-supervised image representation learning. Inspired by Masked Autoencoding (MAE), a generative pre-training baseline, we propose masked region autoencoding to…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Duy-Kien Nguyen , Vaibhav Aggarwal , Yanghao Li , Martin R. Oswald , Alexander Kirillov , Cees G. M. Snoek , Xinlei Chen

Automated analysis of surgical videos is crucial for improving surgical training, workflow optimization, and postoperative assessment. We introduce a CSMAE, Masked Autoencoder (MAE)-based pretraining approach, specifically developed for…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Nisarg A. Shah , Wele Gedara Chaminda Bandara , Shameema Skider , S. Swaroop Vedula , Vishal M. Patel