Example 1 - Performing a segmentation

This example shows how to perform a simple segmentation and teaches some basic concepts about the user interface.

Database

Example 1 - Database

This zip file contains:

  • tijuca.tif

Step by step

  • Start InterIMAGE. Click on FileNew Project and fill the fields according to the following:

New Project dialog


Attention! Make sure the resource key you type in this dialog doesn't match a class name in your semantic net, otherwise InterImage won't run properly.




Attention! Make sure the keys, names and paths in your project don't have white spaces or non-ASCII characters, otherwise InterImage won't run properly.



  • Check the Default Image checkbox and click the Add button. Click OK.
  • Try the visualization tools: Pan, Zoom etc.

Visualization tools

  • Select the image layer and click the Composition button. Try different compositions.

Image layerColor Composition dialog

  • Right-click the Scene node and click on Insert ChildNode. Select the inserted node and set its Class to Segmentation and its Color to blue. This will be our semantic net for this project.

Inserting a nodeSemantic Net

  • Associate a segmentation top-down operator to the Segmentation node. We will use the TA_Baatz_Segmenter operator in this example. Set the operator parameters according to the following:

Selecting a top-down operatorSetting the operator parameters

  • Click on FileSave Project. Click the Execute button. After the execution you should see something like this:

Analysis ready

  • Select the result layer and try different border and opacity settings.

Result layer

  • Now, you may want to try different values for the segmentation operator parameters. Just make the changes and re-execute the interpretation. You can also try another operators, our Operators Documentation can be helpful.

Exporting a shapefile

  • Select the result layer and click the Export button.

Export result layer

  • In the dialog that appears click the Class button and select the Segmentation class. Click OK.

Export Shapefile dialogInsert Class

  • Click OK and select a name for your shapefile. Click Save.

Choose Shapefile

Loading the shapefile into the project

  • Save the project. Once the project is saved click on FileEdit Project. Fill the fields according to the following:

Edit Project dialog

  • Click the Add button and then click OK.
  • Select the Shape tab and click the Add button. Change Color and Opacity properties if needed, then click Save.

Adding a shape layerAdding a shape layer