Ground control requirements for precision processing of ERTS images
By: Thomas C. Burger
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Abstract
With the successful flight of the ERTS-1 satellite, orbital height images are available for precision processing into products such as 1:1,000,000-scale photomaps and enlargements up to 1:250,000 scale. In order to maintain positional error below 100 meters, control points for the precision processing must be carefully selected, clearly definitive on photos in both X and Y. Coordinates of selected control points measured on existing ½ and 15-minute standard maps provide sufficient accuracy for any space imaging system thus far defined. This procedure references the points to accepted horizontal and vertical datums. Maps as small as 1:250,000 scale can be used as source material for coordinates, but to maintain the desired accuracy, maps of 1:100,000 and larger scale should be used when available.
Suggested Citation
Burger, T.C., 1973, Ground control requirements for precision processing of ERTS images, 13 p.
| Publication type | Book |
|---|---|
| Publication Subtype | Conference publication |
| Title | Ground control requirements for precision processing of ERTS images |
| Year Published | 1973 |
| Contributing office(s) | Topographic Division |
| Description | 13 p. |
| Conference Title | XII Pan American Consultation on Cartography, Pan American Institute of Geography and History |
| Conference Location | Panama, Panama |