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Weakly-supervised Temporal Action Localization

6 papers with code · Computer Vision

Temporal Action Localization with weak supervision where only video-level labels are given for training

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Completeness Modeling and Context Separation for Weakly Supervised Temporal Action Localization

CVPR 2019 Finspire13/CMCS-Temporal-Action-Localization

In this work, we first identify two underexplored problems posed by the weak supervision for temporal action localization, namely action completeness modeling and action-context separation.

WEAKLY SUPERVISED ACTION LOCALIZATION WEAKLY-SUPERVISED TEMPORAL ACTION LOCALIZATION

AutoLoc: Weakly-supervised Temporal Action Localization

22 Jul 2018zhengshou/AutoLoc

In this paper, we first develop a novel weakly-supervised TAL framework called AutoLoc to directly predict the temporal boundary of each action instance.

WEAKLY-SUPERVISED TEMPORAL ACTION LOCALIZATION

Background Suppression Network for Weakly-supervised Temporal Action Localization

22 Nov 2019Pilhyeon/BaSNet-pytorch

This formulation does not fully model the problem in that background frames are forced to be misclassified as action classes to predict video-level labels accurately.

WEAKLY SUPERVISED ACTION LOCALIZATION WEAKLY-SUPERVISED TEMPORAL ACTION LOCALIZATION

3C-Net: Category Count and Center Loss for Weakly-Supervised Action Localization

ICCV 2019 naraysa/3c-net

Our joint formulation has three terms: a classification term to ensure the separability of learned action features, an adapted multi-label center loss term to enhance the action feature discriminability and a counting loss term to delineate adjacent action sequences, leading to improved localization.

WEAKLY SUPERVISED ACTION LOCALIZATION WEAKLY-SUPERVISED TEMPORAL ACTION LOCALIZATION

Weakly Supervised Temporal Action Localization Using Deep Metric Learning

21 Jan 2020asrafulashiq/wsad

We propose a classification module to generate action labels for each segment in the video, and a deep metric learning module to learn the similarity between different action instances.

METRIC LEARNING TEMPORAL LOCALIZATION VIDEO UNDERSTANDING WEAKLY-SUPERVISED TEMPORAL ACTION LOCALIZATION