Applying intrinsic and extrinsic sparse coding and dictionary learning to Kendall shape trajectories yields vector-space time-series that perform competitively on 3D action and 2D facial expression recognition.
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Sparse Coding of Shape Trajectories for Facial Expression and Action Recognition
Applying intrinsic and extrinsic sparse coding and dictionary learning to Kendall shape trajectories yields vector-space time-series that perform competitively on 3D action and 2D facial expression recognition.