Precision Corrected TM or SPOT Data Covering all of Sweden
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https://cmr.earthdata.nasa.gov/search/concepts/C1214584464-SCIOPS.html
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资源简介：
SSC Satellitbild, Kiruna, Sweden has produced a digital terrain type database
covering all of Sweden. A total of 900 map sheets each covering an area of 25x25
square km was produced between February 1990 and July 1991.
The information was extracted from high resolution satellite imagery by
computerized multispectral classification and image processing methods.
The satellite data used for this project is geometrically precision corrected
(geocoded) to the Swedish National Grid with high accuracy. Control points from
large scale maps are used. The geocoding model takes into account the motion of
the satellite and the optical and electronic properties of the sensors.
An accuracy better than the resolution can therefore be obtained.
The image data is resampled to 25 m pixel-size.
提供机构：
SCIOPS
