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Distant supervision provides a means to create a large number of weakly labeled data at low cost for relation classification. However, the resulting labeled instances are very noisy, containing data with wrong labels. Many approaches have…

Computation and Language · Computer Science 2020-10-27 Zhenzhen Li , Jian-Yun Nie , Benyou Wang , Pan Du , Yuhan Zhang , Lixin Zou , Dongsheng Li

Unsupervised learning of latent motion from Internet videos is crucial for robot learning. Existing discrete methods generally mitigate the shortcut learning caused by extracting excessive static backgrounds through vector quantization with…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Jiange Yang , Yansong Shi , Haoyi Zhu , Mingyu Liu , Kaijing Ma , Yating Wang , Gangshan Wu , Tong He , Limin Wang

We propose a new method for learning videos by aggregating multiple models by sequentially extracting video clips from untrimmed video. The proposed method reduces the correlation between clips by feeding clips to multiple models in turn…

Computer Vision and Pattern Recognition · Computer Science 2024-01-29 Kodai Kamiya , Toru Tamaki

In this work, we address the problem of learning an ensemble of specialist networks using multimodal data, while considering the realistic and challenging scenario of possible missing modalities at test time. Our goal is to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Nuno C. Garcia , Sarah Adel Bargal , Vitaly Ablavsky , Pietro Morerio , Vittorio Murino , Stan Sclaroff

We present an audio-visual multimodal approach for the task of zeroshot learning (ZSL) for classification and retrieval of videos. ZSL has been studied extensively in the recent past but has primarily been limited to visual modality and to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Kranti Kumar Parida , Neeraj Matiyali , Tanaya Guha , Gaurav Sharma

In this paper, we introduce a new problem, named audio-visual video parsing, which aims to parse a video into temporal event segments and label them as either audible, visible, or both. Such a problem is essential for a complete…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Yapeng Tian , Dingzeyu Li , Chenliang Xu

MoCo is effective for unsupervised image representation learning. In this paper, we propose VideoMoCo for unsupervised video representation learning. Given a video sequence as an input sample, we improve the temporal feature representations…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Tian Pan , Yibing Song , Tianyu Yang , Wenhao Jiang , Wei Liu

A similarity label indicates whether two instances belong to the same class while a class label shows the class of the instance. Without class labels, a multi-class classifier could be learned from similarity-labeled pairwise data by meta…

Machine Learning · Computer Science 2020-02-18 Songhua Wu , Xiaobo Xia , Tongliang Liu , Bo Han , Mingming Gong , Nannan Wang , Haifeng Liu , Gang Niu

Webly supervised learning has attracted increasing attention for its effectiveness in exploring publicly accessible data at scale without manual annotation. However, most existing methods of learning with web datasets are faced with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yulei Qin , Xingyu Chen , Yunhang Shen , Chaoyou Fu , Yun Gu , Ke Li , Xing Sun , Rongrong Ji

Multimodal learning from document data has achieved great success lately as it allows to pre-train semantically meaningful features as a prior into a learnable downstream task. In this paper, we approach the document classification problem…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Souhail Bakkali , Zuheng Ming , Mickael Coustaty , Marçal Rusiñol , Oriol Ramos Terrades

Training data plays an essential role in modern applications of machine learning. However, gathering labeled training data is time-consuming. Therefore, labeling is often outsourced to less experienced users, or completely automated. This…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Alex Bäuerle , Heiko Neumann , Timo Ropinski

Combining complementary information from multiple modalities is intuitively appealing for improving the performance of learning-based approaches. However, it is challenging to fully leverage different modalities due to practical challenges…

Machine Learning · Statistics 2018-05-31 Kuan Liu , Yanen Li , Ning Xu , Prem Natarajan

Multimodal sentiment analysis aims to effectively integrate information from various sources to infer sentiment, where in many cases there are no annotations for unimodal labels. Therefore, most works rely on multimodal labels for training.…

Machine Learning · Computer Science 2024-09-16 Sijie Mai , Yu Zhao , Ying Zeng , Jianhua Yao , Haifeng Hu

In this work we deal with the problem of high-level event detection in video. Specifically, we study the challenging problems of i) learning to detect video events from solely a textual description of the event, without using any positive…

Machine Learning · Computer Science 2015-11-26 Christos Tzelepis , Damianos Galanopoulos , Vasileios Mezaris , Ioannis Patras

Informal learning on the Web using search engines as well as more structured learning on MOOC platforms have become very popular in recent years. As a result of the vast amount of available learning resources, intelligent retrieval and…

Information Retrieval · Computer Science 2022-12-14 Christian Otto , Markos Stamatakis , Anett Hoppe , Ralph Ewerth

In many machine learning systems that jointly learn from multiple modalities, a core research question is to understand the nature of multimodal interactions: how modalities combine to provide new task-relevant information that was not…

Pre-training on large scale unlabelled datasets has shown impressive performance improvements in the fields of computer vision and natural language processing. Given the advent of large-scale instructional video datasets, a common strategy…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Valentin Gabeur , Arsha Nagrani , Chen Sun , Karteek Alahari , Cordelia Schmid

Multi-Modal Self-Supervised Learning from videos has been shown to improve model's performance on various downstream tasks. However, such Self-Supervised pre-training requires large batch sizes and a large amount of computation resources…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Duo Wang , Salah Karout

Retrieving target videos based on text descriptions is a task of great practical value and has received increasing attention over the past few years. Despite recent progress, imperfect annotations in existing video retrieval datasets have…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Zeyu Wang , Yu Wu , Karthik Narasimhan , Olga Russakovsky

Deep learning has shown remarkable progress in a wide range of problems. However, efficient training of such models requires large-scale datasets, and getting annotations for such datasets can be challenging and costly. In this work, we…

Multimedia · Computer Science 2021-10-14 Mohit Sharma , Raj Patra , Harshal Desai , Shruti Vyas , Yogesh Rawat , Rajiv Ratn Shah