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Related papers: HTNet: Anchor-free Temporal Action Localization wi…

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In this paper, we study an intermediate form of supervision, i.e., single-frame supervision, for temporal action localization (TAL). To obtain the single-frame supervision, the annotators are asked to identify only a single frame within the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Fan Ma , Linchao Zhu , Yi Yang , Shengxin Zha , Gourab Kundu , Matt Feiszli , Zheng Shou

We present our solution to the BinEgo-360 Challenge at ICCV 2025, which focuses on temporal action localization (TAL) in multi-perspective and multi-modal video settings. The challenge provides a dataset containing panoramic, third-person,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Anh-Kiet Duong , Petra Gomez-Krämer

Autism Spectrum Disorder (ASD) presents significant challenges in early diagnosis and intervention, impacting children and their families. With prevalence rates rising, there is a critical need for accessible and efficient screening tools.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Halil Ismail Helvaci , Sen-ching Samson Cheung , Chen-Nee Chuah , Sally Ozonoff

Current state-of-the-art approaches for spatio-temporal action detection have achieved impressive results but remain unsatisfactory for temporal extent detection. The main reason comes from that, there are some ambiguous states similar to…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Lin Song , Shiwei Zhang , Gang Yu , Hongbin Sun

Temporal action localization aims to predict the boundary and category of each action instance in untrimmed long videos. Most of previous methods based on anchors or proposals neglect the global-local context interaction in entire video…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Yizheng Ouyang , Tianjin Zhang , Weibo Gu , Hongfa Wang

Temporal Action Detection (TAD) is an essential and challenging topic in video understanding, aiming to localize the temporal segments containing human action instances and predict the action categories. The previous works greatly rely upon…

Computer Vision and Pattern Recognition · Computer Science 2021-09-21 Jiannan Wu , Peize Sun , Shoufa Chen , Jiewen Yang , Zihao Qi , Lan Ma , Ping Luo

Open-Vocabulary Temporal Action Localization (OVTAL) enables a model to recognize any desired action category in videos without the need to explicitly curate training data for all categories. However, this flexibility poses significant…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Akshita Gupta , Aditya Arora , Sanath Narayan , Salman Khan , Fahad Shahbaz Khan , Graham W. Taylor

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…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Yifan Liu , Youbao Tang , Ning Zhang , Ruei-Sung Lin , Haoqian Wang

Temporal action localization (TAL) is a fundamental yet challenging task in video understanding. Existing TAL methods rely on pre-training a video encoder through action classification supervision. This results in a task discrepancy problem…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Mengmeng Xu , Juan-Manuel Perez-Rua , Xiatian Zhu , Bernard Ghanem , Brais Martinez

The temporal action segmentation task segments videos temporally and predicts action labels for all frames. Fully supervising such a segmentation model requires dense frame-wise action annotations, which are expensive and tedious to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Guodong Ding , Angela Yao

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…

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

Detecting actions in untrimmed videos is an important yet challenging task. In this paper, we present the structured segment network (SSN), a novel framework which models the temporal structure of each action instance via a structured…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Yue Zhao , Yuanjun Xiong , Limin Wang , Zhirong Wu , Xiaoou Tang , Dahua Lin

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

Temporal action localization is an important step towards video understanding. Most current action localization methods depend on untrimmed videos with full temporal annotations of action instances. However, it is expensive and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Ashraful Islam , Richard J. Radke

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,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Chen Ju , Zeqian Li , Peisen Zhao , Ya Zhang , Xiaopeng Zhang , Qi Tian , Yanfeng Wang , Weidi Xie

Weakly-supervised action localization aims to recognize and localize action instancese in untrimmed videos with only video-level labels. Most existing models rely on multiple instance learning(MIL), where the predictions of unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Guiqin Wang , Peng Zhao , Cong Zhao , Shusen Yang , Jie Cheng , Luziwei Leng , Jianxing Liao , Qinghai Guo

Temporal action detection (TAD) aims to locate and recognize the actions in an untrimmed video. Anchor-free methods have made remarkable progress which mainly formulate TAD into two tasks: classification and localization using two separate…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Junshan Hu , Chaoxu guo , Liansheng Zhuang , Biao Wang , Tiezheng Ge , Yuning Jiang , Houqiang Li

Video action detection (spatio-temporal action localization) is usually the starting point for human-centric intelligent analysis of videos nowadays. It has high practical impacts for many applications across robotics, security, healthcare,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Xin Hu , Zhenyu Wu , Hao-Yu Miao , Siqi Fan , Taiyu Long , Zhenyu Hu , Pengcheng Pi , Yi Wu , Zhou Ren , Zhangyang Wang , Gang Hua

This thesis explore different approaches using Convolutional and Recurrent Neural Networks to classify and temporally localize activities on videos, furthermore an implementation to achieve it has been proposed. As the first step, features…

Computer Vision and Pattern Recognition · Computer Science 2017-03-06 Alberto Montes , Amaia Salvador , Santiago Pascual , Xavier Giro-i-Nieto

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…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 Guoqiang Gong , Liangfeng Zheng , Kun Bai , Yadong Mu