Background

This section is intentionally concise. It covers only the concepts needed to use SPD Learn effectively and points you to deeper references when appropriate.

• Scope and Data Representations
  • What SPD Learn Targets
  • SPD Data in Practice
  • Estimation Essentials
• Geometry Essentials
  • Why Geometry Matters
  • Metric Choices in SPD Learn
• SPD Learn Pipeline and Trivialization
  • SPDNet Building Blocks
  • Trivialization in SPD Learn
  • Batch Normalization
  • Example: Building an SPDNet
  • Where to Go Next

Quick Navigation

• Scope and Data Representations - What SPD Learn targets and how data is represented

• Geometry Essentials - Minimal geometry needed for users

• SPD Learn Pipeline and Trivialization - How SPD Learn implements SPDNet + trivialization