Wiener filter

The Wiener filter is like a magic tool that helps to clean up and enhance images, sounds or signals. Imagine you have a very noisy picture or you are listening to music that has a lot of background noise. The Wiener filter can help you make the picture or music sound clearer and better.

It does this by understanding the patterns in the noise and the original image or sound. Then, it uses that knowledge to remove the noise and revealing the original image or sound. It’s a bit like solving a tricky puzzle where you need to remove the unwanted pieces to get the right result!

The Wiener filter is named after a clever mathematician called Norbert Wiener who discovered this technique. It may sound complicated, but it's like having a magic tool that helps us see and hear better.