Extract borders from image

Flutter tips Published on

Using the Image Package for Edge Detection

Learn how to easily find the edges in your images using Flutter and the helpful Image package.

The Method

This method involves applying a special filter called a Laplacian kernel.

Applying the Kernel

By using the convolution function from the Image package, you can process every pixel in the image with this kernel.

What it Does

This process highlights the areas where colors change quickly, which are usually the borders or edges. It's a straightforward way to add edge detection features to your app.

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Frequently Asked Questions

What package is used to extract borders?

You use the Image package in Dart/Flutter for this.

How does the method work?

It works by applying a filter called a Laplacian kernel to the image pixels using a convolution function.

What does the Laplacian kernel do?

The Laplacian kernel is used to detect edges by highlighting areas in the image where colors change sharply.

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