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Temporal action localization in videos presents significant challenges in the field of computer vision. While the boundary-sensitive method has been widely adopted, its limitations include incomplete use of intermediate and global…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Qing Song , Yang Zhou , Mengjie Hu , Chun Liu

Temporal action proposal generation plays an important role in video action understanding, which requires localizing high-quality action content precisely. However, generating temporal proposals with both precise boundaries and high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yueran Bai , Yingying Wang , Yunhai Tong , Yang Yang , Qiyue Liu , Junhui Liu

Transformer networks are effective at modeling long-range contextual information and have recently demonstrated exemplary performance in the natural language processing domain. Conventionally, the temporal action proposal generation (TAPG)…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Lining Wang , Haosen Yang , Wenhao Wu , Hongxun Yao , Hujie Huang

Temporal action proposal generation is an challenging and promising task which aims to locate temporal regions in real-world videos where action or event may occur. Current bottom-up proposal generation methods can generate proposals with…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Tianwei Lin , Xiao Liu , Xin Li , Errui Ding , Shilei Wen

Temporal action proposal generation aims to estimate temporal intervals of actions in untrimmed videos, which is a challenging yet important task in the video understanding field. The proposals generated by current methods still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Zhiwu Qing , Haisheng Su , Weihao Gan , Dongliang Wang , Wei Wu , Xiang Wang , Yu Qiao , Junjie Yan , Changxin Gao , Nong Sang

Temporal action proposal generation is an important yet challenging problem, since temporal proposals with rich action content are indispensable for analysing real-world videos with long duration and high proportion irrelevant content. This…

Computer Vision and Pattern Recognition · Computer Science 2018-09-27 Tianwei Lin , Xu Zhao , Haisheng Su , Chongjing Wang , Ming Yang

Temporal action detection aims to locate the boundaries of action in the video. The current method based on boundary matching enumerates and calculates all possible boundary matchings to generate proposals. However, these methods neglect…

Computer Vision and Pattern Recognition · Computer Science 2021-12-08 Guo Chen , Yin-Dong Zheng , Limin Wang , Tong Lu

Temporal action proposal generation (TAPG) is a challenging task that aims to locate action instances in untrimmed videos with temporal boundaries. To evaluate the confidence of proposals, the existing works typically predict action score…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Haosen Yang , Wenhao Wu , Lining Wang , Sheng Jin , Boyang Xia , Hongxun Yao , Hujie Huang

The goal of Temporal Action Localization (TAL) is to find the categories and temporal boundaries of actions in an untrimmed video. Most TAL methods rely heavily on action recognition models that are sensitive to action labels rather than…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Hao Zhang , Chunyan Feng , Jiahui Yang , Zheng Li , Caili Guo

Temporal action proposal generation is an important and challenging task in video understanding, which aims at detecting all temporal segments containing action instances of interest. The existing proposal generation approaches are…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Jing Tan , Jiaqi Tang , Limin Wang , Gangshan Wu

Temporal action proposal generation (TAPG) aims to estimate temporal intervals of actions in untrimmed videos, which is a challenging yet plays an important role in many tasks of video analysis and understanding. Despite the great…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Khoa Vo , Kashu Yamazaki , Sang Truong , Minh-Triet Tran , Akihiro Sugimoto , Ngan Le

Temporal action proposal generation is an important task, aiming to localize the video segments containing human actions in an untrimmed video. In this paper, we propose a multi-granularity generator (MGG) to perform the temporal action…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Yuan Liu , Lin Ma , Yifeng Zhang , Wei Liu , Shih-Fu Chang

This technical report presents an overview of our solution used in the submission to ActivityNet Challenge 2020 Task 1 (\textbf{temporal action localization/detection}). Temporal action localization requires to not only precisely locate the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Haisheng Su , Jinyuan Feng , Hao Shao , Zhenyu Jiang , Manyuan Zhang , Wei Wu , Yu Liu , Hongsheng Li , Junjie Yan

Temporal action recognition always depends on temporal action proposal generation to hypothesize actions and algorithms usually need to process very long video sequences and output the starting and ending times of each potential action in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Tian Wang , Shiye Lei , Youyou Jiang , Choi Chang , Hichem Snoussi , Guangcun Shan

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…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

We propose a universal video-level modality-awareness tracking model with online dense temporal token learning (called {\modaltracker}). It is designed to support various tracking tasks, including RGB, RGB+Thermal, RGB+Depth, and RGB+Event,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Yaozong Zheng , Bineng Zhong , Qihua Liang , Shengping Zhang , Guorong Li , Xianxian Li , Rongrong Ji

In this report, we present our solution for the task of temporal action localization (detection) (task 1) in ActivityNet Challenge 2020. The purpose of this task is to temporally localize intervals where actions of interest occur and…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Xiang Wang , Baiteng Ma , Zhiwu Qing , Yongpeng Sang , Changxin Gao , Shiwei Zhang , Nong Sang

Temporal action localization is an important task of computer vision. Though a variety of methods have been proposed, it still remains an open question how to predict the temporal boundaries of action segments precisely. Most works use…

Computer Vision and Pattern Recognition · Computer Science 2017-09-12 Ke Yang , Peng Qiao , Dongsheng Li , Shaohe Lv , Yong Dou

Temporal action detection aims to recognize the action category and determine each action instance's starting and ending time in untrimmed videos. The mixed methods have achieved remarkable performance by seamlessly merging anchor-based and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Zhenying Fang , Jun Yu , Richang Hong

We address the problem of temporal sentence localization in videos (TSLV). Traditional methods follow a top-down framework which localizes the target segment with pre-defined segment proposals. Although they have achieved decent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Daizong Liu , Xiaoye Qu , Jianfeng Dong , Pan Zhou
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