Chapter 17: 3D Analysis

This chapter describes the techniques of 3D Analysis and how to apply them using the MIL 3D Reconstruction module.

• 3D analysis overview
• Basic concepts for 3D analysis
• Moving the relative coordinate system to account for height
• • Measuring two features displaced by a known height
  • Accounting for thickness of calibration grids in 3D setups
• Establishing the position and orientation of an object
• • Using a grid
  • Obtaining results
• Pairwise 3D alignment
• • How to start the pairwise 3D alignment process
  • Relative coordinate systems
  • Prealignment
  • Iterations and the RMS error
  • Stop conditions
• Triangulation
• • Performing triangulation
• Operations on depth maps
• • Fitting a plane to the depth map
  • Computing statistics
  • Performing arithmetic operations on depth maps