中文
相关论文

相关论文: CoLA: Weakly-Supervised Temporal Action Localizati…

200 篇论文

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 paper focuses on temporal localization of actions in untrimmed videos. Existing methods typically train classifiers for a pre-defined list of actions and apply them in a sliding window fashion. However, activities in the wild consist…

计算机视觉与模式识别 · 计算机科学 2017-08-07 Jiyang Gao , Chen Sun , Zhenheng Yang , Ram Nevatia

Temporal Action Localization (TAL) in untrimmed video is important for many applications. But it is very expensive to annotate the segment-level ground truth (action class and temporal boundary). This raises the interest of addressing TAL…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Zheng Shou , Hang Gao , Lei Zhang , Kazuyuki Miyazawa , Shih-Fu Chang

This technical report presents an overview of our solution used in the submission to 2021 HACS Temporal Action Localization Challenge on both Supervised Learning Track and Weakly-Supervised Learning Track. Temporal Action Localization (TAL)…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Haisheng Su , Peiqin Zhuang , Yukun Li , Dongliang Wang , Weihao Gan , Wei Wu , Yu Qiao

Point-level weakly-supervised temporal action localization (PWTAL) aims to localize actions with only a single timestamp annotation for each action instance. Existing methods tend to mine dense pseudo labels to alleviate the label sparsity,…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Yueyang Li , Yonghong Hou , Wanqing Li

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…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Guiqin Wang , Peng Zhao , Cong Zhao , Shusen Yang , Jie Cheng , Luziwei Leng , Jianxing Liao , Qinghai Guo

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

Weakly supervised temporal action localization (WTAL) aims to localize actions in untrimmed videos with only weak supervision information (e.g. video-level labels). Most existing models handle all input videos with a fixed temporal scale.…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Weiqi Sun , Rui Su , Qian Yu , Dong Xu

Temporal Action Localization (TAL) aims to predict both action category and temporal boundary of action instances in untrimmed videos, i.e., start and end time. Fully-supervised solutions are usually adopted in most existing works, and…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Ding Li , Xuebing Yang , Yongqiang Tang , Chenyang Zhang , Wensheng Zhang

We propose a weakly supervised temporal action localization algorithm on untrimmed videos using convolutional neural networks. Our algorithm learns from video-level class labels and predicts temporal intervals of human actions with no…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Phuc Nguyen , Ting Liu , Gautam Prasad , Bohyung Han

Weakly-supervised temporal action localization aims to learn detecting temporal intervals of action classes with only video-level labels. To this end, it is crucial to separate frames of action classes from the background frames (i.e.,…

计算机视觉与模式识别 · 计算机科学 2020-12-18 Pilhyeon Lee , Jinglu Wang , Yan Lu , Hyeran Byun

We present a method for weakly-supervised action localization based on graph convolutions. In order to find and classify video time segments that correspond to relevant action classes, a system must be able to both identify discriminative…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Maheen Rashid , Hedvig Kjellström , Yong Jae Lee

We propose weakly supervised language localization networks (WSLLN) to detect events in long, untrimmed videos given language queries. To learn the correspondence between visual segments and texts, most previous methods require temporal…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Mingfei Gao , Larry S. Davis , Richard Socher , Caiming Xiong

Enabling computational systems with the ability to localize actions in video-based content has manifold applications. Traditionally, such a problem is approached in a fully-supervised setting where video-clips with complete frame-by-frame…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Kurt Degiorgio , Fabio Cuzzolin

The object of Weakly-supervised Temporal Action Localization (WS-TAL) is to localize all action instances in an untrimmed video with only video-level supervision. Due to the lack of frame-level annotations during training, current WS-TAL…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Ziyi Liu , Le Wang , Qilin Zhang , Wei Tang , Junsong Yuan , Nanning Zheng , Gang Hua

Traditional temporal action localization (TAL) methods rely on large amounts of detailed annotated data, whereas few-shot TAL reduces this dependence by using only a few training samples to identify unseen action categories. However,…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Mengshi Qi , Hongwei Ji , Wulian Yun , Xianlin Zhang , Huadong Ma

Recent breakthroughs in Multimodal Large Language Models (MLLMs) have gained significant recognition within the deep learning community, where the fusion of the Video Foundation Models (VFMs) and Large Language Models(LLMs) has proven…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Quan Zhang , Jinwei Fang , Rui Yuan , Xi Tang , Yuxin Qi , Ke Zhang , Chun Yuan

Temporal Action Localization (TAL) involves localizing and classifying action snippets in an untrimmed video. The emergence of large video foundation models has led RGB-only video backbones to outperform previous methods needing both RGB…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Akshita Gupta , Gaurav Mittal , Ahmed Magooda , Ye Yu , Graham W. Taylor , Mei Chen

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

Unsupervised video representation learning has made remarkable achievements in recent years. However, most existing methods are designed and optimized for video classification. These pre-trained models can be sub-optimal for temporal…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Can Zhang , Tianyu Yang , Junwu Weng , Meng Cao , Jue Wang , Yuexian Zou