TL;DR
This paper introduces HOMAGE, a multi-view, multi-modal dataset with hierarchical and atomic action labels, and proposes CCAU, a cooperative learning framework that improves action recognition by leveraging compositional action elements across modalities.
Contribution
The paper presents HOMAGE, a comprehensive dataset with hierarchical and atomic action annotations, and introduces CCAU, a novel cooperative learning framework for hierarchical and compositional action understanding.
Findings
CCAU improves performance across all modalities.
HOMAGE enables multi-view, multi-modal action analysis.
Achieved 28.6% mAP in few-shot action recognition.
Abstract
Existing research on action recognition treats activities as monolithic events occurring in videos. Recently, the benefits of formulating actions as a combination of atomic-actions have shown promise in improving action understanding with the emergence of datasets containing such annotations, allowing us to learn representations capturing this information. However, there remains a lack of studies that extend action composition and leverage multiple viewpoints and multiple modalities of data for representation learning. To promote research in this direction, we introduce Home Action Genome (HOMAGE): a multi-view action dataset with multiple modalities and view-points supplemented with hierarchical activity and atomic action labels together with dense scene composition labels. Leveraging rich multi-modal and multi-view settings, we propose Cooperative Compositional Action Understanding…
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Taxonomy
MethodsAttentive Walk-Aggregating Graph Neural Network
