ABSTRACT
A black and white image is a two-dimensional representation of three-dimensional information in color. For processing, an image is partitioned into a number of elements called pixels. This word comes from the combination of the English words PICture ELement. The standard size of images in modern devices is in the range of megapixels. In Figure 13.1, it is shown how an image is represented. From this figure it can be seen that there are 8×8 = 64 pixels. A natural way of representing an image is then by a matrix where each pixel position is associated with the values n and m of the matrix elements. The value of the element m and n of the matrix is then the value of gray level of the corresponding pixel. Pixels of an image. https://s3-euw1-ap-pe-df-pch-content-public-u.s3.eu-west-1.amazonaws.com/9781315228457/7e8d6276-44c6-4584-bd97-f744dbf1ca93/content/fig13_1.tif"/>
