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Use the model

You can use this model in the Detect Objects Using Deep Learning tool available in the Image Analyst toolbox in ArcGIS Pro. The complete workflow involves postprocessing steps using additional tools.

A simplified workflow is also available with a custom tool packaged as an ArcGIS Pro project template. The section below describes the steps to use the model with this tool.

  1. Download the Detect Ships from SAR ArcGIS Pro project template to use the Ship Detection (SAR) pretrained model or a fine-tuned model.
  2. Start ArcGIS Pro, and from the project selection screen, choose Select another project template.
    Select another project template in ArcGIS Pro.
  3. Browse to the downloaded template and click OK.
    Select the downloaded ArcGIS Pro project template.
  4. Provide a name for the new project and click OK.
    Create the project.
  5. Ensure that you have added a Sentinel-1 C band SAR VV polarization band raster in ArcGIS Pro.

    You can download the imagery from Copernicus Open Access Hub or from Sentinel Hub.

    SAR image in Catalog pane

  6. Zoom to an area of interest.
    SAR image on map
  7. Browse to <Project_name>.tbx under Toolboxes in the Catalog pane to access the Detect Ships using SAR data tool.
    Detect Ships using SAR data tool
  8. On the Parameters tab, set the variables as follows:
    1. Input Raster—Select the SAR imagery layer.
    2. Output Detected Ships—Set the output feature class that will contain the detected ships.
    3. Input Water Polygon (optional)—Select the water mask polygon.
    4. Model Definition (optional)—Select the Ship Detection (SAR) pretrained model .dlpk file.
    5. Model Arguments (optional)—Change the values of the arguments if required.
    6. Non Maximum Suppression—Optionally, check the check box to remove the overlapping features with lower confidence.

      If checked, do the following:

      • Set Confidence Score Field.
      • Set Class Value Field (optional).
      • Set Maximum Overlap Ratio (optional).
    7. Processor Type—Select CPU or GPU as needed.

      If GPU is available, it is recommended that you select GPU and set GPU ID to the GPU to be used.

    8. Cell Size—Change if required.

      The expected SAR image resolution is 10 meters.


      If the model definition is not passed, the model will be automatically downloaded from ArcGIS Living Atlas of the World.

      Detect Ships using SAR data parameters
  9. Click Run.

    The output layer is added to the map.

    Results from the Detect Ships using SAR data tool

    You can zoom in to take a closer look at the results.

    Zoomed-in results