[Mesh] Surface Reconstruction, SDF (Signed Distance Function)과 Eikonal Equation의 관계

위키피디아 Eikonal equation 설명

• Eikonal equations provide a link between physical (wave) optics and geometric (ray) optics.

Reference

• DeepSDF: Learning Continuous Signed Distance Functions for Shape Reconstruction
• NeuS: Learning Neural Implicit Surfaces by Volume Rendering for Multi-view Reconstruction
• Volume Rendering of Neural Implicit Surfaces
• Neuralangelo: High-Fidelity Neural Surface Reconstruction