Volumetric 3D · Scan

3DGS —
the real site, digitally rebuilt.

3D Gaussian Splatting captures a real worksite, building or facility as a photoreal 1:1 digital twin — not a rough 3D model, but the real place. Train inside it with VR HMD, or walk through it on the treadmill.

1:1Real-site capture
100+ FPSSmooth real-time rendering at 1080p
6-DOFFree viewpoint
0Manual remodelling
What It Is

Scan the real place. Walk it later.

SLAM LiDAR · AI CLOUD

Scan as you walk. Reconstruct in real time.

A technician walks a real site once with a handheld LiDAR scanner, capturing point-cloud data via SLAM (simultaneous localisation and mapping). AI cloud compute reconstructs it into a 3D-Gaussian-Splatting digital twin — photoreal, true-to-scale and free to view from any angle. No manual modelling, no loss of detail. The twin drops straight into VR HMD and CAVE for training.

See where it's used →
Where It's Used

One scan, many training grounds

Any real space can become a training environment — captured exactly as it is.

Underground cable tunnel / high-voltage room — a hazardous engineering site
Engineering & Safety

Walk the hazard first

Scan underground pipes, high-voltage rooms or lift shafts and let workers "walk" the space in VR before entering the real one — building spatial awareness and muscle memory. Zero-risk training, zero on-site accidents.

A live high-rise worksite in a dense Hong Kong cityscape
Construction

Train on the actual project

Turn a live worksite into a 1:1 digital twin for site-specific safety walkthroughs — pairs with VTM's CTP modules and BIM models for project-accurate training.

An ornate historic museum hall — heritage and historic interiors
Heritage & Culture

Preserve and revisit

Capture monuments, museums and historic interiors in photoreal detail — for immersive education, documentation and remote exploration beyond what flat photography can show.

A secondary-school STEM classroom — students operating a 3D scanner
Education · STEM

Students scan their own world

In VTM's 3DGS workshop, secondary-school students operate the scanner themselves to turn their campus into an interactive 3D space — hands-on spatial-computing and AI literacy.

Why It Works

Photoreal, not approximate

Traditional point cloud and mesh — coarse, low-detail, blocky
Traditional point cloud · mesh
3DGS photoreal digital twin — reconstructed from Gaussian splats
3DGS digital twin
Traditional survey · modelling
3DGS digital twin
Capture
Manual survey, photo-by-photo modelling
One walk-through with a handheld LiDAR
Reconstruction
Days to weeks
~40 min (60×+ faster)
Visual fidelity
Rough model or flat mock-up
Photoreal — hard to tell from real
Free roaming
Limited, stutters
100+ FPS smooth 6-DOF
Accuracy
Accurate, but slow point-by-point work
Centimetre-level, captured automatically
Training cost
Higher
Up to 30% less pre-construction

Speed & rendering figures: Kerbl et al., SIGGRAPH 2023.

How It Works

Scan → Process → Train

01
Scan
HANDHELD LiDAR

Walk the real site once with the handheld LiDAR scanner — no downtime, no structural change.

02
Process
AI CLOUD

The capture is reconstructed on VTM's cloud into a photoreal Gaussian-splat digital twin.

03
Train
VR · CAVE

The twin runs in VR HMD or CAVE — ready for inspection, planning and on-foot training.

See your site, digitally rebuilt.

Book a 15-minute live demo and step inside a photoreal 3DGS digital twin.

Book a live demo →
✉ info@vtmdigital.com · 📞 +852 3590 3127