Sparse Coding of Shape Trajectories for Facial Expression and Action Recognition

no code implementations • 8 Aug 2019 • Amor Ben Tanfous, Hassen Drira, Boulbaba Ben Amor

The detection and tracking of human landmarks in video streams has gained in reliability partly due to the availability of affordable RGB-D sensors.

Action Recognition Dictionary Learning +4

Coding Kendall's Shape Trajectories for 3D Action Recognition

no code implementations • CVPR 2018 • Amor Ben Tanfous, Hassen Drira, Boulbaba Ben Amor

Grounding on the Riemannian geometry of the shape space, an intrinsic sparse coding and dictionary learning formulation is proposed for static skeletal shapes to overcome the inherent non-linearity of the manifold.

3D Action Recognition Dictionary Learning +2