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	:''"Pictures" redirects here. For movies, see ]. For other uses of Image, see ].''
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	In common usage, an '''image''' (from ] ''imago'') or '''picture''' is an artifact that reproduces the likeness of some ]—usually a physical object or a ].

	Images may be two ]al, such as a ], or three dimensional such as in a ]. They are typically produced by ] devices—such as a ]s, ]s, ], ]s, ]s, etc. and natural objects and phenomena, such as the human ] or water surfaces.

	The word ''image'' is also used in the broader sense of any two-dimensional figure or ], such as a ], a ], a ], or an ]. In this wider sense, images can also be produced manually, such as by ], ], ], by ] technology, or a combination of the two, especially in a ].

	A volatile image is one that exists only for a short period of time. This may be a reflection of an object by a ], a ] of the ] on a wall by a ], or a scene displayed on a ]. A fixed image, also called a hardcopy, is one that has been recorded on a material object, such as ] or ].

	A ] exists in someone's mind: something one remembers or imagines. The subject of an image need not be real; it may be an abstract concept, such as a ], function, or "imaginary" entity.
	For example, ] claimed to have dreamt purely in aural-images of dialogues. The development of synthetic acousitic technologies and the creation of ] have led to a consideration of the possibilities of a ] comprosided of irriducible phonic substance beyond linguistic or musicological analysis.

	==Specialized meanings==

	The word also has many specialized meanings in various disciplines and contexts:

	* In ], a ] can produce a ] or a ].
	* In many other ] and ] contexts, image usually means a two-dimensional ]—a physical phenomenon that can be modeled as a ] from a two-dimensional ''domain'' (such as the ] or a ]) to some set of values, usually real numbers or vectors. This sense covers not only ]s but also ] ones, such as ]s. See ].
	* In ] and ], image almost always means ] or, by extension, any computer description of an image, e.g. a ], an ], or a ] model.
	* In ], image can mean an exact (bit-by-bit) copy of the contents of some device, such as a ], ], or ]. In particular:
	** A core image (or ], from ], the predominant RAM technology of the 1960s) is a faithful copy of the data stored in the ] of a ] or ].
	** An executable image is a structured file containing machine instructions and data, which can be loaded into a process's ] and executed by the computer's ].
	** A ROM image is a copy of the contents of an entire ] chip. Many video games are functionally ROM, so a common usage of ROM images is to store games on other medium for use by ]s.
	* In ], the ] consists of its output values.
	* In ], the image is a coefficient (]) that bridges a stock's fundamental value and its ].
	* In ], a ] is a man-made representation of a deity that is venerated, often associated with ].
	* In ], an image is an outward representation, similar to the ].
	* In ], brand image is the perception that consumers have for a ] in what values and benefits it offers.

	==See also==

	* ]
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	* ]
	* ]
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	* ]

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Revision as of 18:35, 15 November 2006