Table lamp (multi-scale composite)

obj_lamp · Procedural (exact GT, offline) · generated locally with exact ground truth

Ground-truth mesh

Drag to orbit, scroll to zoom. Rendered from gt/mesh.obj (416 faces).

Ground-truth views

lighting: studio low_key warm_key

channel: colour depth normals

Why this sample is in the benchmark

A thin stem, a wide base and a flared shade in one object. Scale allocation is the issue: a fixed Gaussian radius that suits the shade destroys the stem, and vice versa.

Ground truth

GT type

exact

licence

Generated locally -- no third-party licence

source

Procedural (exact GT, offline)

builder

lamp

faces

416

vertices

214

watertight

True

surface area

1.2258 m²

extents (m)

[0.6, 1.47, 0.7]

GT points

20000 surface samples

views

12 × 128px (orbit, fov 45°)

lighting

studio, low_key, warm_key

Acquisition plan

kind local, automatic True, estimated size 3.24 MiB

1. Build geometry 'lamp' with {}
2. Render 12 views (orbit @ 128px, fov 45 deg)
3. Shade under lighting: studio, low_key, warm_key
4. Write GT mesh, surface points, depth, normals, poses

Fully offline. Ground truth is exact (no SfM, no scan noise).

Comparisons