EuroSDR Projects - Host Ireland

German method. Since eCognition is a product that is well known for its sophisticated classification methods, it
would be promising to combine both approaches and to make use of results produced by eCognition within the
software developed by BKG and the University of Hannover.
4.4 Denmark
4.4.1 Data and study area
For the study area in Denmark two orthophotos (one true colour and one colour infrared) with a spatial resolution of
50 cm were available. Due to the benefit associated with using colour infrared data, the analysis focuses on that
data (see Figure 4-26). The study area covers 1 x 1 km and is located in a suburban area. The available reference
data is very detailed, although only some classes are available in polygon format. These are the classes for lake,
churchyards, industry, building and forest. Other classes such as roads, streams, railway and so forth are only
available in line format and did not have enough information to allow a conversion into polygon format that could
be used in the analysis. The building layer is very detailed, showing each individual building.
Figure 4-26: Image and land use data for Danish study area
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