image enhancement meaning, image enhancement definition | English Cobuild dictionary

Collins

image enhancement

  

      n   a method of improving the definition of a video picture by a computer program, which reduces the lowest grey values to black and the highest to white: used for pictures from microscopes, surveillance cameras, and scanners  
English Collins Dictionary - English Definition & Thesaurus  
Collins
image  
      n  
1    a representation or likeness of a person or thing, esp. in sculpture  
2    an optically formed reproduction of an object, such as one formed by a lens or mirror  
3    a person or thing that resembles another closely; double or copy  
4    a mental representation or picture; idea produced by the imagination  
5    the personality presented to the public by a person, organization, etc.  
a criminal charge is not good for a politician's image         See also       corporate image  
6    the pattern of light that is focused onto the retina of the eye  
7      (Psychol)   the mental experience of something that is not immediately present to the senses, often involving memory  
   See also       imagery       body image       hypnagogic image  
8    a personification of a specified quality; epitome  
the image of good breeding     
9    a mental picture or association of ideas evoked in a literary work, esp. in poetry  
10    a figure of speech, such as a simile or metaphor  
11      (Maths)   (of a point) the value of a function, f(x), corresponding to the point x  
12       an obsolete word for       apparition  
      vb   tr  
13    to picture in the mind; imagine  
14    to make or reflect an image of  
15      (Computing)   to project or display on a screen or visual display unit  
16    to portray or describe  
17    to be an example or epitome of; typify  
     (C13: from Old French imagene, from Latin imago copy, representation; related to Latin imitari to imitate)  
  imageable      adj  
  imageless      adj  


body image  
      n     (Psychol)   an individual's concept of his own body  
brand image  
      n   the attributes of a brand as perceived by potential and actual customers  
graven image  
      n     (Chiefly Bible)   a carved image used as an idol  
hypnagogic image  
      n     (Psychol)   an image experienced by a person just before falling asleep, which often resembles a hallucination  
image converter   , tube  
      n   a device for producing a visual image formed by other electromagnetic radiation such as infrared or ultraviolet radiation or X-rays  
image enhancement  
      n   a method of improving the definition of a video picture by a computer program, which reduces the lowest grey values to black and the highest to white: used for pictures from microscopes, surveillance cameras, and scanners  
image intensifier   , tube  
      n   any of various devices for amplifying the intensity of an optical image, sometimes used in conjunction with an image converter  
image orthicon  
      n   a television camera tube in which electrons, emitted from a photoemissive surface in proportion to the intensity of the incident light, are focused onto the target causing secondary emission of electrons  
image printer  
      n     (Computing)   a printer which uses optical technology to produce an image of a complete page from digital input  
image tube  
      n      another name for       image converter       image intensifier  
latent image  
      n     (Photog)   the invisible image produced by the action of light, etc., on silver halide crystals suspended in the emulsion of a photographic material. It becomes visible after development  
mirror image  
      n  
1    an image as observed in a mirror  
2    an object that corresponds to another object in the same way as it would correspond to its image in a mirror  
self-image  
      n   one's own idea of oneself or sense of one's worth  
spitting image  
      n  
Informal   a person who bears a strong physical resemblance to another, esp. to a relative,   (Also called)    spit, spit and image  
     (C19: modification of spit and image, from spit1 (as in the phrase the very spit of, the exact likeness of (someone)))  
virtual image  
      n   an optical image formed by the apparent divergence of rays from a point, rather than their actual divergence from a point  

English Collins Dictionary - English Definition & Thesaurus  

Collins

image

  
1    appearance, effigy, figure, icon, idol, likeness, picture, portrait, reflection, representation, statue  
2    chip off the old block     (informal)   counterpart, (dead) ringer     (slang)   Doppelgänger, double, facsimile, replica, similitude, spit     (informal, chiefly Brit.)   spitting image or spit and image     (informal)  
3    conceit, concept, conception, figure, idea, impression, mental picture, perception, trope  


spitting image     
clone, (dead) ringer     (slang)   double, likeness, living image, lookalike, picture, replica, spit     (informal, chiefly Brit.)   spit and image     (informal)  

English Collins Dictionary - English synonyms & Thesaurus  

Collaborative Dictionary     English Definition
n.
brand of soup, mix of vegetables, image for new startups ?
n.
A moulding commonly used in framing oil paintings. The liner is fixed inside the frame and appears between the image and the outer frame. Generally made out of wood or some other hard material, the liner may have fabric glued down to it. Liners are to canvases what a mat/mount is to a print on paper
[Artwork framing] Polystyrene or wood liner. Fabric-covered liner. Linen liner. Gold liner.
exp.
= bad press: negative opinion or image expressed in the media
The firm got some negative press over that decision
n.
Pillar sculptured with beast images

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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"