Towards High Quality Gradient Estimation on Regular Lattices

Zahid Hossain, Usman Raza Alim and Dr. Torsten Möller

Our Contributions

Problem: Derivative Estimation

Taylor Series Framework

Orthogonal ProjectionFramework

Extended to all regular

lattices in Rn: CC, BCC …

SmallSupport

Veryaccurate

CC BCC

Comparison: In BCC Grid

High Res.

Low Res.Existing Method:

2nd-CDOur Method:

Taylor Series FrameworkOur Method:

Orthogonal Projection Framework