Photometric Stereo
Advanced 3D surface reconstruction using controlled lighting to reveal the physical topology of paint layers, brushstrokes, and surface textures invisible to conventional photography.
Multi-Light Capture
Surface normals reconstructed from directional lighting variations
3D Reconstruction Process
How I capture and compute surface topology from lighting variations
Multi-Light Capture
Sequential photography under 12+ controlled light positions from different angles.
Normal Calculation
Surface normals computed from intensity variations across lighting conditions.
Surface Integration
3D height maps reconstructed from gradient fields using advanced integration methods.
Analysis & Visualization
Interactive 3D models with material property analysis and measurement tools.
3D Surface Analysis
Topology Mapping
- Brushstroke height and direction analysis
- Paint layer thickness measurement
- Canvas texture characterization
- Crack pattern documentation
Material Properties
- Surface roughness quantification
- Reflectance property mapping
- Varnish layer identification
- Paint medium differentiation
Research Applications
Conservation Science
- Artist technique identification
- Condition monitoring over time
- Restoration planning and guidance
- Preventive conservation strategies
Attribution & Authentication
- Brushwork pattern analysis
- Forgery detection methods
- Historical paint technique study
- Workshop practice identification
Technical Specifications
Precision and accuracy metrics for my photometric stereo system
Capture Setup
Surface Resolution
Data Output
Interactive 3D Visualization
My advanced visualization tools allow researchers and art enthusiasts to explore surface topology in real-time, revealing artistic techniques and material properties.
Real-time Lighting
Adjust virtual light positions to enhance surface features
Measurement Tools
Precise height, distance, and angle measurements
Cross-Section Analysis
Profile views of brushstrokes and surface features
False Color Rendering
Height-coded visualizations for enhanced analysis
Quantitative Analysis
Statistical analysis of surface features and artistic techniques
Measurement Capabilities
- • Brushstroke width and height profiles
- • Paint thickness distribution maps
- • Surface roughness quantification
- • Impasto volume calculations