Which layers to be used for creating Objects?
The basis of creating image objects is the input-data. According to the data and the
algorithm you use, objects results in different shapes. The first thing you have to
evaluate, which layers contain the important information. For example, we have two
types of image data, the Image and the DEM. In most Segmentation algorithms you
can choose whether you want to use all data available or only specific layer. It
depends on where the important information is contained. In our case, we want to use
VIS and NIR band for image object creation.
Which Scale Parameter to be set?
The ‘Scale parameter’ is an abstract term. It is the restricting parameter to stop the
objects from getting too heterogenity. For the ‘Scale parameter’ there is no definite
rule, you have to use trial and error to find out which ‘Scale parameter’ results in the
objects is useful for your further classification.