SPD Layer Visualizations#

These animated visualizations help understand how each SPD neural network layer transforms data on the Riemannian manifold. Each animation shows the geometric operation performed by the layer using 2x2 SPD matrices visualized as ellipsoids.

LogEig: Linearization and the Swelling Effect

LogEig: Linearization and the Swelling Effect

BiMap Layer Animation

BiMap Layer Animation

ReEig Layer Animation

ReEig Layer Animation

SPD Batch Normalization Animation

SPD Batch Normalization Animation

CovLayer Animation

CovLayer Animation