Chair (planar boxes)
obj_chair · Procedural (exact GT, offline) ·
generated locally with exact ground truth
Ground-truth mesh
Drag to orbit, scroll to zoom. Rendered from gt/mesh.obj
(72 faces).
Ground-truth views
lighting:
channel:
Why this sample is in the benchmark
Large flat planes joined at right angles. Planes are easy for humans and hard for volumetric representations: thin sheets must be represented by many near-planar Gaussians, and 90-degree edges get rounded.
Ground truth
- GT type
- exact
- licence
- Generated locally -- no third-party licence
- source
- Procedural (exact GT, offline)
- builder
- chair
- faces
- 72
- vertices
- 48
- watertight
- True
- surface area
- 1.5640 m²
- extents (m)
- [0.5, 0.925, 0.5]
- GT points
- 20000 surface samples
- views
- 12 × 128px (orbit, fov 45°)
- lighting
- studio, warm_key, cool_dusk
Acquisition plan
kind local, automatic True,
estimated size 3.24 MiB
- Build geometry 'chair' with {}
- Render 12 views (orbit @ 128px, fov 45 deg)
- Shade under lighting: studio, warm_key, cool_dusk
- Write GT mesh, surface points, depth, normals, poses
Fully offline. Ground truth is exact (no SfM, no scan noise).
Comparisons
| method | F-score | Chamfer-L1 | scale | |
|---|---|---|---|---|
mock-3dgs |
0.5899 | 0.00475 | 0.9254 | open |