Example 4 - Performing a thresholding

This example shows how to perform a thresholding using InterIMAGE.

Example 4 - Database

This zip file contains:

• tijuca.tif

• Start InterIMAGE. Click on File → New Project and fill the fields according to the following:

• Check the Default Image checkbox and click the Add button. Click OK.
• Create a semantic net like this one:

• Associate the TA_Arithmetic top-down operator to the Vegetation node. Set the operator parameters according to the image below. Make sure the TopDown Multi-class checkbox is checked.

→

• Save the project and execute the interpretation. You should obtain something like this:

• You can change the parameters values and re-execute the interpretation until you are satisfied with the result.
• Now, add a Shadow node.

• Select the Vegetation node. Uncheck the TopDown Multi-Class checkbox and set its parameters according to the image below:

• Associate the TA_Arithmetic top-down operator to the Shadow node. Set the operator parameters according to the following: