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Related papers: Classification Matters: Improving Video Action Det…

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We aim for zero-shot localization and classification of human actions in video. Where traditional approaches rely on global attribute or object classification scores for their zero-shot knowledge transfer, our main contribution is a…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Pascal Mettes , Cees G. M. Snoek

Temporal action localization is a challenging computer vision problem with numerous real-world applications. Most existing methods require laborious frame-level supervision to train action localization models. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Sanath Narayan , Hisham Cholakkal , Fahad Shahbaz Khan , Ling Shao

Zero-Shot Action Recognition has attracted attention in the last years and many approaches have been proposed for recognition of objects, events and actions in images and videos. There is a demand for methods that can classify instances…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Valter Estevam , Helio Pedrini , David Menotti

Despite the recent advances in video classification, progress in spatio-temporal action recognition has lagged behind. A major contributing factor has been the prohibitive cost of annotating videos frame-by-frame. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Anurag Arnab , Chen Sun , Arsha Nagrani , Cordelia Schmid

For many computer vision applications, such as image description and human identification, recognizing the visual attributes of humans is an essential yet challenging problem. Its challenges originate from its multi-label nature, the large…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Nikolaos Sarafianos , Xiang Xu , Ioannis A. Kakadiaris

This work strives for the classification and localization of human actions in videos, without the need for any labeled video training examples. Where existing work relies on transferring global attribute or object information from seen to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Pascal Mettes , William Thong , Cees G. M. Snoek

Research on video activity detection has primarily focused on identifying well-defined human activities in short video segments. The majority of the research on video activity recognition is focused on the development of large parameter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Venkatesh Jatla , Sravani Teeparthi , Ugesh Egala , Sylvia Celedon Pattichis , Marios S. Patticis

Vision Transformer(ViT) is one of the most widely used models in the computer vision field with its great performance on various tasks. In order to fully utilize the ViT-based architecture in various applications, proper visualization…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Saebom Leem , Hyunseok Seo

Despite the recent progress in video understanding and the continuous rate of improvement in temporal action localization throughout the years, it is still unclear how far (or close?) we are to solving the problem. To this end, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Humam Alwassel , Fabian Caba Heilbron , Victor Escorcia , Bernard Ghanem

Inspired by recent advances in neural machine translation, that jointly align and translate using encoder-decoder networks equipped with attention, we propose an attentionbased LSTM model for human activity recognition. Our model jointly…

Computer Vision and Pattern Recognition · Computer Science 2017-09-01 Atousa Torabi , Leonid Sigal

We formulate the problem of online temporal action detection in live streaming videos, acknowledging one important property of live streaming videos that there is normally a broadcast delay between the latest captured frame and the actual…

Computer Vision and Pattern Recognition · Computer Science 2020-10-08 Bowen Zhang , Hao Chen , Meng Wang , Yuanjun Xiong

Real-world videos contain many complex actions with inherent relationships between action classes. In this work, we propose an attention-based architecture that models these action relationships for the task of temporal action localization…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Praveen Tirupattur , Kevin Duarte , Yogesh Rawat , Mubarak Shah

We introduce a prediction driven method for visual tracking and segmentation in videos. Instead of solely relying on matching with appearance cues for tracking, we build a predictive model which guides finding more accurate tracking regions…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jianren Wang , Yihui He , Xiaobo Wang , Xinjia Yu , Xia Chen

Demand for ADHD diagnosis and treatment is increasing significantly and the existing services are unable to meet the demand in a timely manner. In this work, we introduce a novel action recognition method for ADHD diagnosis by identifying…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Yichun Li , Syes Mohsen Naqvi , Rajesh Nair

Understanding human actions in visual data is tied to advances in complementary research areas including object recognition, human dynamics, domain adaptation and semantic segmentation. Over the last decade, human action analysis evolved…

Computer Vision and Pattern Recognition · Computer Science 2017-02-02 Samitha Herath , Mehrtash Harandi , Fatih Porikli

The development of unsupervised Video Anomaly Detection (VAD) relies on technologies in the field of signal processing. Since the anomaly is quite ambiguous and unbounded, different detection demands may often be raised even in one…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Kai Cheng , Xinzhe Li , Lijuan Che

Video predictive understanding encompasses a wide range of efforts that are concerned with the anticipation of the unobserved future from the current as well as historical video observations. Action prediction is a major sub-area of video…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 He Zhao , Richard P. Wildes

Language-driven action localization in videos is a challenging task that involves not only visual-linguistic matching but also action boundary prediction. Recent progress has been achieved through aligning language query to video segments,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Shuo Yang , Xinxiao Wu

Despite excellent progress has been made, the performance on action recognition still heavily relies on specific datasets, which are difficult to extend new action classes due to labor-intensive labeling. Moreover, the high diversity in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Xiaoyuan Ni , Sizhe Song , Yu-Wing Tai , Chi-Keung Tang

How do two individuals differ when performing the same action? In this work, we introduce Video Action Differencing (VidDiff), the novel task of identifying subtle differences between videos of the same action, which has many applications,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 James Burgess , Xiaohan Wang , Yuhui Zhang , Anita Rau , Alejandro Lozano , Lisa Dunlap , Trevor Darrell , Serena Yeung-Levy