3D Scanning & Metrology

Structured Light 3D Camera Calibration

Achieving 0.02mm accuracy in 3D reconstruction with advanced structured light calibration for metrology-grade scanning systems

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Client
Aerospace Manufacturer
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3D Accuracy
0.02mm
Scan Speed
1M pts/s

Precision 3D Digitization

An aerospace manufacturer required ultra-precise 3D scanning for quality control of turbine blades and complex engine components. Their existing coordinate measuring machines were too slow, and commercial 3D scanners lacked the required accuracy for critical tolerance verification.

CalibWorks developed a custom structured light calibration system that achieves 0.02mm accuracy across the entire measurement volume. The solution includes advanced projector-camera calibration, phase unwrapping algorithms, and real-time point cloud generation with automatic mesh reconstruction.

  • Multi-frequency phase shifting for high accuracy
  • Automatic projector-camera geometric calibration
  • Gray code and phase correlation for robust decoding
  • HDR scanning for reflective and dark surfaces
  • Real-time 3D reconstruction with GPU acceleration
  • Automated quality metrics and GD&T analysis
3D Accuracy
0.02mm
Point Density
1M pts/s
Scan Volume
500mm³
Resolution
0.1mm

3D Point Cloud Generation

Real-time reconstruction with millions of points

Live 3D Reconstruction

2.5M
Points
0.02mm
Accuracy
30fps
Frame Rate

Technical Challenges

Complex calibration for metrology-grade accuracy

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Projector Calibration

Precise geometric calibration of projector optics including lens distortion, keystone correction, and focus uniformity.

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Phase Unwrapping

Robust phase unwrapping algorithms to handle discontinuities, noise, and complex surface geometries.

Surface Properties

Handling diverse materials from mirror-finish metals to carbon fiber composites with varying reflectance.

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Multi-View Registration

Accurate alignment of multiple scans using ICP and feature-based registration for complete 3D models.

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Noise Reduction

Advanced filtering to remove measurement noise while preserving fine surface details and sharp edges.

Real-time Processing

GPU-accelerated algorithms for instant 3D reconstruction enabling live quality inspection feedback.

System Specifications

Metrology-grade 3D scanning technology

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Projector System

  • Resolution 1920×1080
  • Brightness 3000 lumens
  • Pattern Rate 120 Hz
  • Wavelength Blue LED
  • Contrast 2000:1
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Camera Configuration

  • Resolution 5MP
  • Frame Rate 30 fps
  • Sensor Global Shutter
  • Bit Depth 12-bit
  • Sync Hardware Trigger
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Measurement Specs

  • Accuracy 0.02mm
  • Resolution 0.1mm
  • Volume 500×400×300mm
  • Point Rate 1M pts/s
  • Certified VDI/VDE 2634

Industry Applications

Precision 3D scanning across sectors

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Aerospace

Turbine blade inspection and reverse engineering

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Automotive

Body panel quality and crash deformation analysis

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Dental

Intraoral scanning and prosthetic design

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Heritage

Artifact digitization and preservation

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Manufacturing

First article inspection and tool wear analysis

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Research

Material deformation and scientific measurement

Measurement Impact

Transforming quality control processes

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0.02mm
3D Accuracy
↑ 10x improvement
95%
Time Reduction
↓ vs CMM
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100%
Surface Coverage
↑ Complete scan
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2.5M
Points per Scan
↑ High density
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30fps
Real-time
↑ Live feedback
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$5M
Annual Savings
↑ Quality gains

Transform Your 3D Measurement Capabilities

Deploy metrology-grade structured light scanning for precision manufacturing and quality control.