Deep learning-based action detection in untrimmed videos: A survey

E Vahdani, Y Tian - IEEE Transactions on Pattern Analysis and …, 2022 - ieeexplore.ieee.org
Understanding human behavior and activity facilitates advancement of numerous real-world
applications, and is critical for video analysis. Despite the progress of action recognition …

Asm-loc: Action-aware segment modeling for weakly-supervised temporal action localization

B He, X Yang, L Kang, Z Cheng… - Proceedings of the …, 2022 - openaccess.thecvf.com
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 …

Fine-grained temporal contrastive learning for weakly-supervised temporal action localization

J Gao, M Chen, C Xu - … of the IEEE/CVF conference on …, 2022 - openaccess.thecvf.com
We target at the task of weakly-supervised action localization (WSAL), where only video-
level action labels are available during model training. Despite the recent progress, existing …

Dual-evidential learning for weakly-supervised temporal action localization

M Chen, J Gao, S Yang, C Xu - European conference on computer vision, 2022 - Springer
Weakly-supervised temporal action localization (WS-TAL) aims to localize the action
instances and recognize their categories with only video-level labels. Despite great …

Pivotal: Prior-driven supervision for weakly-supervised temporal action localization

MN Rizve, G Mittal, Y Yu, M Hall… - Proceedings of the …, 2023 - openaccess.thecvf.com
Abstract Weakly-supervised Temporal Action Localization (WTAL) attempts to localize the
actions in untrimmed videos using only video-level supervision. Most recent works approach …

Vectorized evidential learning for weakly-supervised temporal action localization

J Gao, M Chen, C Xu - IEEE transactions on pattern analysis …, 2023 - ieeexplore.ieee.org
With the explosive growth of videos, weakly-supervised temporal action localization (WS-
TAL) task has become a promising research direction in pattern analysis and machine …

Two-stream networks for weakly-supervised temporal action localization with semantic-aware mechanisms

Y Wang, Y Li, H Wang - … of the IEEE/CVF Conference on …, 2023 - openaccess.thecvf.com
Weakly-supervised temporal action localization aims to detect action boundaries in
untrimmed videos with only video-level annotations. Most existing schemes detect temporal …

DDG-Net: Discriminability-Driven Graph Network for Weakly-supervised Temporal Action Localization

X Tang, J Fan, C Luo, Z Zhang… - Proceedings of the …, 2023 - openaccess.thecvf.com
Weakly-supervised temporal action localization (WTAL) is a practical yet challenging task.
Due to large-scale datasets, most existing methods use a network pretrained in other …

Relational space-time query in long-form videos

X Yang, FJ Chu, M Feiszli, R Goyal… - Proceedings of the …, 2023 - openaccess.thecvf.com
Egocentric videos are often available in the form of uninterrupted, uncurated long videos
capturing the camera wearers' daily life activities. Understanding these videos requires …

Actionness inconsistency-guided contrastive learning for weakly-supervised temporal action localization

Z Li, Z Wang, Q Liu - Proceedings of the AAAI Conference on Artificial …, 2023 - ojs.aaai.org
Weakly-supervised temporal action localization (WTAL) aims to detect action instances
given only video-level labels. To address the challenge, recent methods commonly employ …