Manipulating data in the form of an image through several possible techniques. An image is usually interpreted as a two-dimensional array of brightness values, and is most familiarly represented by such patterns as those of a photographic print, slide, television screen, or movie screen. An image can be processed optically, or digitally with a computer. This article focuses on digital processing of an image to perform one of five tasks: enhancement, restoration, compression, image fusion, or automated image analysis.