| image 1. Data representing a two-dimensional scene. A digital image is composed of arranged in a rectangular array with a certain height and width. Each pixel may consist of one or more s of information, representing the brightness of the image at that point and possibly including colour information encoded as triples. are usually taken from the real world via a , , or ; or they may be generated by computer, e.g. by software. See also , . (1994-10-21) 2. The image (or range) of a is the set of values obtained by applying the function to all elements of its . So, if f : D -> C then the set f(D) = \{ f(d) | d in D \} is the image of D under f. The image is a subset of C, the . (2000-01-19) |
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