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Watershed Segmentation App

This online tool uses the Watershed image segmentation algorithm to split image regions in foreground and background. The app works with user-controlled markers and demonstrates how the Watershed algorithm works. Also, this little app can serve as a simple background removal.

Watershed Segmentation Tool

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Click the Browse button to select file from your device.
Press Ctrl+V to paste an image from clipboard.
Use a sample image

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How to use the segmentation tool?

The following quick steps describe how to use this segmentation app to remove background from an image:

Select media source

The following user interface controls allow you to select a media source:

  • Browse button – click to select an image or video from your computer.
  • Camera button – activate your web-camera to apply this filter on live video
  • Reset button – click it to see the original image without any filtering

Configure the filter

This Watershed segmentation method uses user-controlled seeds to separate objects from the background. Use the following UI controls to change the filter parameters:

  • Marker– use this drop box to select the seed type – Background or Foreground.
  • After selecting the marker type, simply move the mouse over the image while holding down the left button.
  • Execute – click this button when you are done placing the markers

Example result

The image below shows how the segmentation tool works:

Watershed transform
Example of Watershed segmentation

Related Tools

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This Watershed segmentation tool can work with various image formats like JPEG, PNG, WebP, etc. It is a free web application that runs in a browser without downloading or installing. It is watermark-free and serves as a demo of how Watershed image flooding works.

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