GIS co-registration
Definition
Assigning consistent spatial coordinates to all survey datasets so that anomalies from different instruments can be overlaid and compared at matching ground positions in geographic information system software.
Related terms
- Confidence ranking
- A classification scheme that assigns each detected anomaly a confidence level based on how many independent methods detected it and how well...
- Decision framework
- A structured protocol for selecting geophysical methods based on documented site characteristics (soil type, target depth, cultural noise) before fieldwork begins, with...
- False positive
- A test result indicating diatoms consistent with ante-mortem aspiration in an organ sample when the diatoms actually arrived by contamination, post-mortem diffusion,...
- Ground-truthing
- The physical investigation (probing, test pitting, or full excavation) of a geophysical anomaly to determine whether it represents a genuine forensic target....
- Site datum
- A fixed reference point, established by total station or RTK-GPS, to which all survey grid positions are tied. Ensures that anomaly positions...
Explained in
- Integrating Multiple Geophysical MethodsAssigning consistent spatial coordinates to all survey datasets so that anomalies from different instruments can be overlaid and compared at matching ground po...