AI Article Synopsis
- Previous video action recognition methods largely focus on spatial and temporal features while neglecting the relationships between joints, which are crucial for accurately identifying actions.
- This paper introduces a joint spatial-temporal reasoning (JSTR) framework that emphasizes the importance of joint relationships to improve action recognition from videos.
- The JSTR framework incorporates a spatial relation graph for joint positioning and an intra-joint temporal relation graph for capturing time dynamics, successfully demonstrating its effectiveness across three real-world video action recognition datasets.
Article Abstract
Previous video action recognition mainly focuses on extracting spatial and temporal features from videos or capturing physical dependencies among joints. The relation between joints is often ignored. Modeling the relation between joints is important for action recognition. Aiming at learning discriminative relation between joints, this paper proposes a joint spatial-temporal reasoning (JSTR) framework to recognize action from videos. For the spatial representation, a joints spatial relation graph is built to capture position relations between joints. For the temporal representation, temporal information of body joints is modeled by the intra-joint temporal relation graph. The spatial reasoning feature and the temporal reasoning feature are fused to recognize action from videos. The effectiveness of our method is demonstrated in three real-world video action recognition datasets. The experiment results display good performance across all of these datasets.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9597689 | PMC |
| http://dx.doi.org/10.3389/fnbot.2022.918434 | DOI Listing |
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