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相关论文: Enriching Local and Global Contexts for Temporal A…

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Temporal Action Localization (TAL) has garnered significant attention in information retrieval. Existing supervised or weakly supervised methods heavily rely on labeled temporal boundaries and action categories, which are labor-intensive…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Rui Xia , Dan Jiang , Quan Zhang , Ke Zhang , Chun Yuan

Temporal action localization is a recently-emerging task, aiming to localize video segments from untrimmed videos that contain specific actions. Despite the remarkable recent progress, most two-stage action localization methods still suffer…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Guoqiang Gong , Liangfeng Zheng , Kun Bai , Yadong Mu

Most activity localization methods in the literature suffer from the burden of frame-wise annotation requirement. Learning from weak labels may be a potential solution towards reducing such manual labeling effort. Recent years have…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Sujoy Paul , Sourya Roy , Amit K Roy-Chowdhury

Point-Level temporal action localization (PTAL) aims to localize actions in untrimmed videos with only one timestamp annotation for each action instance. Existing methods adopt the frame-level prediction paradigm to learn from the sparse…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Chen Ju , Peisen Zhao , Ya Zhang , Yanfeng Wang , Qi Tian

Weakly-supervised temporal action localization aims to recognize and localize action segments in untrimmed videos given only video-level action labels for training. Without the boundary information of action segments, existing methods…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Bo He , Xitong Yang , Le Kang , Zhiyu Cheng , Xin Zhou , Abhinav Shrivastava

In this paper, we consider the problem of temporal action localization under low-shot (zero-shot & few-shot) scenario, with the goal of detecting and classifying the action instances from arbitrary categories within some untrimmed videos,…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Chen Ju , Zeqian Li , Peisen Zhao , Ya Zhang , Xiaopeng Zhang , Qi Tian , Yanfeng Wang , Weidi Xie

Due to the lack of temporal annotation, current Weakly-supervised Temporal Action Localization (WTAL) methods are generally stuck into over-complete or incomplete localization. In this paper, we aim to leverage the text information to boost…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Guozhang Li , De Cheng , Xinpeng Ding , Nannan Wang , Xiaoyu Wang , Xinbo Gao

Nowadays, the interaction between humans and robots is constantly expanding, requiring more and more human motion recognition applications to operate in real time. However, most works on temporal action detection and recognition perform…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Vasiliki I. Vasileiou , Nikolaos Kardaris , Petros Maragos

Temporal action proposal generation is an essential and challenging task that aims at localizing temporal intervals containing human actions in untrimmed videos. Most of existing approaches are unable to follow the human cognitive process…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Viet-Khoa Vo-Ho , Ngan Le , Kashu Yamazaki , Akihiro Sugimoto , Minh-Triet Tran

The present few-shot temporal action localization model can't handle the situation where videos contain multiple action instances. So the purpose of this paper is to achieve manifold action instances localization in a lengthy untrimmed…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Fengshun Wang , Qiurui Wang , Yuting Wang

Inspired by the recent success of transformers and multi-stage architectures in video recognition and object detection domains. We thoroughly explore the rich spatio-temporal properties of transformers within a multi-stage architecture…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Hayat Ullah , Arslan Munir , Oliver Nina

Temporal action detection is a fundamental yet challenging task in video understanding. Video context is a critical cue to effectively detect actions, but current works mainly focus on temporal context, while neglecting semantic context as…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Mengmeng Xu , Chen Zhao , David S. Rojas , Ali Thabet , Bernard Ghanem

Weakly Supervised Temporal Action Localization (WTAL) aims to classify and localize temporal boundaries of actions for the video, given only video-level category labels in the training datasets. Due to the lack of boundary information…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Guozhang Li , De Cheng , Xinpeng Ding , Nannan Wang , Jie Li , Xinbo Gao

Weakly-supervised temporal action localization aims to localize and recognize actions in untrimmed videos with only video-level category labels during training. Without instance-level annotations, most existing methods follow the…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Huan Ren , Wenfei Yang , Tianzhu Zhang , Yongdong Zhang

This technical report presents our first place winning solution for temporal action detection task in CVPR-2022 AcitivityNet Challenge. The task aims to localize temporal boundaries of action instances with specific classes in long…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

Locating actions in long untrimmed videos has been a challenging problem in video content analysis. The performances of existing action localization approaches remain unsatisfactory in precisely determining the beginning and the end of an…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Haonan Qiu , Yingbin Zheng , Hao Ye , Yao Lu , Feng Wang , Liang He

This report presents our method for Temporal Action Localisation (TAL), which focuses on identifying and classifying actions within specific time intervals throughout a video sequence. We employ a data augmentation technique by expanding…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Yinan Han , Qingyuan Jiang , Hongming Mei , Yang Yang , Jinhui Tang

This technical report analyzes a temporal action localization method we used in the HACS competition which is hosted in Activitynet Challenge 2020.The goal of our task is to locate the start time and end time of the action in the untrimmed…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Zhiwu Qing , Xiang Wang , Yongpeng Sang , Changxin Gao , Shiwei Zhang , Nong Sang

Weakly supervised temporal action localization (WS-TAL) is a challenging task that aims to localize action instances in the given video with video-level categorical supervision. Both appearance and motion features are used in previous…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Fa-Ting Hong , Jia-Chang Feng , Dan Xu , Ying Shan , Wei-Shi Zheng

Temporal action localization (TAL) aims to detect the boundary and identify the class of each action instance in a long untrimmed video. Current approaches treat video frames homogeneously, and tend to give background and key objects…

计算机视觉与模式识别 · 计算机科学 2022-11-11 Yifan Liu , Youbao Tang , Ning Zhang , Ruei-Sung Lin , Haoqian Wang