Photogrammetry - areaotriangulation

[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

Triangulation Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 ,[object Object],[object Object],[object Object]

Overlap between Runs or Swaths Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 30% overlap between runs or swaths Run #1 Run #2

What is a BLOCK? ,[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 ,[object Object],[object Object],[object Object],[object Object],[object Object],X,Y,Z

What is a BLOCK? ,[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 60% Overlap

[object Object],[object Object],[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

[object Object],[object Object],[object Object],[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

Tie points ,[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 ,[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

Block Residuals Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 ,[object Object],[object Object],[object Object],[object Object],[object Object],Least Squares Adjustment calculates new points based on distributing and minimizing residuals throughout the ENTIRE block ,[object Object]

Spreading Error ,[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 Measured Location Standard Deviation Predicted Location

When to stop? ,[object Object],[object Object],[object Object],[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

The Convergence Value ,[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 0.912 0.282 0.513 0.589 0.766 0.054 0.386 0.054 0.674 0.195 0.054 0.049 If every difference between these values is less than the Convergence value, the iterations will STOP Indicates that the triangulation has met the required accuracy Iteration #1 #2 0.432 0.153 0.321 0.654 0.543 0.044 0.436 0.021 0.434 0.087 0.111 0.024

SCBA: How it works ,[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366 ,[object Object],Self Calibrating and Bundle Adjustment ,[object Object],[object Object]

Self-Calibrating Bundle Adjustment (SCBA) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Photogrammetry …. Lecture 11 Dr. Steve Ramroop 07/11/10 GEM 3366

Photogrammetry - areaotriangulation

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