Image

Common examples of images used in GIS include remotely sensed data (for example, satellite data), scanned data, and photographs.

A graphic representation or description of a scene, typically produced by an optical or electronic device. Common examples include remotely sensed data (e.g., satellite data), scanned data, and photographs. An image is stored as a raster data set of binary or integer values that represent the intensity of reflected light, heat, or other range of values on the electromagnetic spectrum.

To image a hard drive is to make an identical copy of the hard drive, including empty sectors. Also known as creating a mirror image or mirroring the drive. Image Copy, Imaged Copy See Forensic Copy.

An exact bit-stream copy of all electronic data on a device, performed in a manner that ensures the information is not altered.

In the field of image processing, a two-dimensional representation of a scene. Synonym picture.