Render COLMAP reconstructed Model with Pytorch3D

Dependencies

• PyTorch
• PyTorch3D
• opencv-python
• pillow
• IPython

Data

Real Data

data_colmap/
├── images/
    └── *.jpg
├── meshed-delaunay.obj
└── sparse
    ├── cameras.bin
    ├── images.bin
    └── points3D.bin

The `sparse/` and `images/` are from the dense reconstruction stage of colmap.

https://github.com/guanyingc/pytorch3d_render_colmap/assets/8651158/c66fa0c9-820e-4973-8de0-fa30b3cad540

Synthetic Data

The synthetic cow model used in the pytorch3d document.

Get Started

# Render depth and normal map of a reconstructed mesh using a colmap camera
python render_colmap_mesh.py

# Render a simple cow mesh
python render_colmap_mesh.py --debug

Can also see the 知乎文章：PyTorch3D渲染COLMAP重建的物体 and Jupyter Notebook.