A Fusion of Appearance based CNNs and Temporal evolution of Skeleton with LSTM for Daily Living Action Recognition
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In this paper, we propose efficient method which combines skeleton information and appearance features for daily-living action recognition. Many RGB methods focus only on short term temporal information obtained from optical flow. Skeleton based methods on the other hand show that modeling long term skeleton evolution improves action recognition accuracy. In this paper we propose to fuse skeleton based LSTM classifier which models temporal evolution of skeleton with deep CNN which models static appearance. We show that such fusion improves recognition of actions with similar motion and pose footprint, which is especially crucial in daily-living action recognition scenario. We validate our approach on public available CAD60 and MSRDailyActivity3D, achieving state-of-the art results.
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