In this chapter, we will continue our discussion of basic operations on images. In particular, we will talk about some filter theory and different kinds of filters that you can apply to images in order to extract various kinds of information or suppress various kinds of noise.
There is a fine line between image processing and computer vision. Image processing mainly deals with getting different representations of images by transforming them in various ways. Often, but not always, this is done for “viewing” purposes—examples include changing the color space of the image, sharpening or blurring it, changing the contrast, ...