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.
To create an image of individual web history by web footprints.
[Tech.]
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"