NGA posts Elevation RFI
On August 13, the National Geospatial-Intelligence Agency posted a request for information on elevation datasets. Responses are due by 5:00 p.m. Eastern on September 28.
The National Geospatial-Intelligence Agency (NGA) is seeking information on elevation datasets and any associated production software with confirmed accuracy assessments across varied terrain and canopy surfaces over large inaccessible areas.
The National Geospatial-Intelligence Agency (NGA) is seeking information on elevation datasets and any software necessary to collect, display, edit, or otherwise manipulate any such data created over large inaccessible land areas with diverse terrain and canopy. NGA’s current elevation capabilities include global elevation datasets, such as the TanDEM-X data at relatively course resolutions (~12m post spacing), which does not meet High Resolution Terrain requirements. Additionally, accuracy metrics on commercial sources of elevation data have not been demonstrated over large inaccessible land areas across diverse terrain and canopy. Reports documenting methods and metrics confirming stated accuracies should accompany datasets.
Accuracy claims must be supported by analysis demonstrating statistical significance in all dimensions across diverse terrain and canopy surfaces in areas that are inaccessible to the organization. Submissions must include details on the metrics, statistical methods, and ground-truthing, or alternative scientifically reliable methods, specifically highlighting ground data collected across varied terrain and canopy in areas the organization does not have access to. Submissions must also include descriptions of the software used to generate the elevation dataset. The term software in this RFI refers to company created and owned tools and algorithms that either collect, display, edit, or otherwise manipulate such data, specifically excluding software licensed from a third party.
NGA is interested in elevation products created over large inaccessible areas with an associated accuracy assessment and any software used to generate the datasets. The accuracy claims, in all dimensions and across diverse terrain and canopy surfaces over large inaccessible areas, should be statistically significant. Submissions must include details on ground-truth data collection strategies and scientifically verifiable approaches, methods, and metrics for accuracy assessments, and descriptions of the software tools and algorithms used to generate the dataset. Elevation datasets and software should be available for purchase at the time of the RFI posting. Vendors should indicate if elevation products can be generated over any requested area across the global land mass.
Full information is available here.