Background-Aware Robust Context Learning for Weakly-Supervised Temporal Action Localization
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DOI: 10.1109/access.2022.3183789
Abstract: Weakly supervised temporal action localization (WTAL) aims to localize temporal intervals of actions in an untrimmed video using only video-level action labels. Although the learning of the background is an important issue in WTAL, most… read more here.
Keywords: supervised temporal; weakly supervised; action localization; background ... See more keywords
DiveNet: Dive Action Localization and Physical Pose Parameter Extraction for High Performance Training
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DOI: 10.1109/access.2023.3265595
Abstract: The tremendous progress of deep convolution neural networks has shown promising results on the classification of various sports activities. However, the accurate localization of a particular sports event or activity in a continuous video stream… read more here.
Keywords: localization; divenet; action localization; action ... See more keywords
Slow Motion Matters: A Slow Motion Enhanced Network for Weakly Supervised Temporal Action Localization
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems for Video Technology"
DOI: 10.1109/tcsvt.2022.3201540
Abstract: 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. However, such… read more here.
Keywords: action localization; slow motion; temporal action; motion ... See more keywords
Breaking Winner-Takes-All: Iterative-Winners-Out Networks for Weakly Supervised Temporal Action Localization
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Image Processing"
DOI: 10.1109/tip.2019.2922108
Abstract: We address the challenging problem of weakly supervised temporal action localization from unconstrained web videos, where only the video-level action labels are available during training. Inspired by the adversarial erasing strategy in weakly supervised semantic… read more here.
Keywords: supervised temporal; temporal action; action localization; action ... See more keywords
Revisiting Anchor Mechanisms for Temporal Action Localization
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DOI: 10.1109/tip.2020.3016486
Abstract: Most of the current action localization methods follow an anchor-based pipeline: depicting action instances by pre-defined anchors, learning to select the anchors closest to the ground truth, and predicting the confidence of anchors with refinements.… read more here.
Keywords: action instances; action localization; action; anchor free ... See more keywords
Probabilistic Temporal Modeling for Unintentional Action Localization
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DOI: 10.1109/tip.2022.3163544
Abstract: Humans have the inherent advantage of understanding action intention, while it is an enormous challenge to train the machine to localize unintentional action in videos due to the lack of reliable annotations for stable training.… read more here.
Keywords: action localization; action; probabilistic temporal; unintentional action ... See more keywords
Unintentional Action Localization via Counterfactual Examples
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DOI: 10.1109/tip.2022.3166278
Abstract: How do humans localize unintentional action like “ A boy falls down while playing skateboard ”? Cognitive science shows that an 18-month-old baby understands the intention by observing the actions and comparing the feedback. Motivated… read more here.
Keywords: action localization; action; counterfactual examples; unintentional action ... See more keywords
Sequence as a Whole: A Unified Framework for Video Action Localization With Long-Range Text Query
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Image Processing"
DOI: 10.1109/tip.2023.3243525
Abstract: Comprehensive understanding of video content requires both spatial and temporal localization. However, there lacks a unified video action localization framework, which hinders the coordinated development of this field. Existing 3D CNN methods take fixed and… read more here.
Keywords: localization; action localization; framework; video action ... See more keywords
StochasticFormer: Stochastic Modeling for Weakly Supervised Temporal Action Localization
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Image Processing"
DOI: 10.1109/tip.2023.3244411
Abstract: Weakly supervised temporal action localization (WS-TAL) aims to identify the time intervals corresponding to actions of interest in untrimmed videos with video-level weak supervision. For most existing WS-TAL methods, two commonly encountered challenges are under-localization… read more here.
Keywords: supervised temporal; localization; weakly supervised; action localization ... See more keywords
Relation Attention for Temporal Action Localization
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DOI: 10.1109/tmm.2019.2959977
Abstract: Temporal action localization aims to accurately localize and recognize all possible action instances from an untrimmed video automatically. Most existing methods perform this task by first generating a set of proposals and then recognizing each… read more here.
Keywords: action localization; action; temporal action; relation attention ... See more keywords
Exploiting Informative Video Segments for Temporal Action Localization
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DOI: 10.1109/tmm.2021.3050067
Abstract: We propose a novel method of exploiting informative video segments by learning segment weights for temporal action localization in untrimmed videos. Informative video segments represent the intrinsic motion and appearance of an action, and thus… read more here.
Keywords: video; action localization; informative video; video segments ... See more keywords