Wiener filter is a filter used to remove degradation from a image without being affected by noise that’s present in the image. If wiener filter is not used, and the image is restored just by dividing the frequency domain of an image by the frequency domain of the future, the image will be badly corrupted […]Read more "Wiener Filter"
In this discussion, we’re trying to reduce noise in the image and in the same time sharpen our image. The image that we’ll be using will look this: As we can see, some important details of the image is actually dark. What we want to do is first make the shady portion of the image […]Read more "Noise Cancellation and Sharpening"