Image processing with Javascript

I’m used to do image processing using Matlab or OpenCV. But today, I prefer using web technologies because sharing and debugging is easier.

How to do image processing using Javascript ?

The canvas API is good to manipulate pixels, however, a library with the most common operations would be great.
I spotted two libraries: PaintbrushJS and Pixastic.

  • PaintbrushJS simply allows to apply filters to images on the page, that’s it.
  • Pixastic is more flexible, offers more filters and features. And you can easily call a filter in your Javascript code.

But because of its simplicity when reading the code, I started some experimentations using PaintbrushJS.

After a few minutes, I noticed that the matrix convolution operation was not correct in this library. So I fixed it in my branch. Feel free to use it.

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