Photogrammetry knowledge
- Tie points in photogrammetry project (GCPs, CPs, MTPs, and ATPs) - PIX4Dmapper
- What is the maximal orthogonal ray distance?
- Best practices for image acquisition and photogrammetry
- Camera distortion
- How to verify that there is enough overlap between the images
- Coordinate reference systems and 2D projections
- Automatic target detection - AutoGCP algorithm
- Ground sampling distance (GSD) in photogrammetry
- How the onboard GPS affects the project accuracy?
- Photo stitching vs orthomosaic generation - PIX4Dmapper
- How are tie points errors defined - Mean, Sigma, RMS?
- TOOLS - GSD calculator
- TOOLS - Vertical pixel displacement calculator
- Orthometric vs ellipsoidal height
- Reprojection error - PIX4Dmapper
- Number and distribution of ground control points (GCPs) in corridor mapping
- Which factors affect the accuracy of the automatic aerial triangulation (AAT)?
- Is it possible to generate the orthomosaic of water surfaces?
- Scientific papers
- What is... (a densified point cloud? an orthomosaic? etc.)
- What is the relative and absolute accuracy of drone mapping?
- Yaw, Pitch, Roll and Omega, Phi, Kappa angles
- Vertical vs oblique imagery
- How to select Camera Focal Length and Flight Altitude considering the desired Ground Sampling Distance and Terrain to map?