SDF representation with an MLP

Simple network showing DeepSDF style representation of a single shape. Uses NeRF style positional encoding for easier overfitting to shape.

Dependencies

This repository requires numpy, pytorch, pytorch-lightning and PyMarchingCubes (found here).

Training

Train using the following command from root directory:

python trainer/train_implicit.py

Expected Output

File Structure

Folder	Description
data/hollow_knight.npz	Contains the raw data for training
dataset/point_sdf_pair.py	Contains dataset class for training
model/implicit.py	Implicit network specification
trainer/train_implicit.py	Training module
outputs	Mesh output dumped here while training
runs	Checkpoints saved here while training

3D Model Used

Hollow knight (https://sketchfab.com/3d-models/hollow-knight-86c4d4bfc46645169211130e3dd2c810) by EduVelazquez is licensed under Creative Commons Attribution (httpcreativecommons.orglicensesby4.0).