image processing

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image processing

See imaging.

image processing

[′im·ij ‚prä·ses·iŋ]
(computer science)
A technique in which the data from an image are digitized and various mathematical operations are applied to the data, generally with a digital computer, in order to create an enhanced image that is more useful or pleasing to a human observer, or to perform some of the interpretation and recognition tasks usually performed by humans. Also known as picture processing.

image processing

(graphics)
Computer manipulation of images. Some of the many algorithms used in image processing include convolution (on which many others are based), FFT, DCT, thinning (or skeletonisation), edge detection and contrast enhancement. These are usually implemented in software but may also use special purpose hardware for speed.

Image processing contrasts with computer graphics, which is usually more concerned with the generation of artificial images, and visualisation, which attempts to understand (real-world) data by displaying it as an artificial image (e.g. a graph). Image processing is used in image recognition and computer vision.

Silicon Graphics manufacture workstations which are often used for image processing. There are a few programming languages designed for image processing, e.g. CELIP, VPL.

See also Pilot European Image Processing Archive.

Usenet newsgroup: news:sci.image.processing.

image processing

(1) The analysis of a picture using techniques that can identify shades, colors and relationships that cannot be perceived by the human eye. Image processing is used to solve identification problems, such as in forensic medicine or in creating weather maps from satellite pictures. It deals with images in bitmapped graphics format that have been scanned in or captured with digital cameras.

(2) Any image improvement, such as refining a picture in a paint program that has been scanned or entered from a video source.

(3) See imaging.
References in periodicals archive ?
A composite image is generated randomly by combining at least four images and a single question associated with it.
The other three pictures in the composite image are quite kosher, displaying Indian warships, a frigate launching a Prithvi missile and a Seaking helicopter.
And the non-religious theme continues with the cards from BBC Wales, featuring a ring of glittering silver stars, and the Welsh National Opera, with a bizarre composite image of a tyre track and a stylised fern leaf.
A composite image comparing Jean Charles de Menezes and Hussain Osman shown to a jury by lawyers for the Metropolitan Police was dishonestly manipulated, it was claimed yesterday.
useful: it shows general ice coverage; misleading: it is a composite image made up of images from both summer and winter months; also, it is dated (from the 1990s).
Their arrest came a day after detectives released to the news media a composite image of a man seen fleeing with a female companion from the ransacked home.
Romig's composite image of evidence photos from domestic violence cases won in the Newspaper Front Page category of the photo editing division, which drew more than 2,000 entries.
Multiple camera angles allow composite image to be broadcast and viewed on 3D TV in the home
RGB Spectrum has recently introduced its SynchroMaster 555 overlayer/keyer unit that combines images from two high-resolution computer sources or image generators into a composite image.
This composite image consists of only the most focused information from the series of images.
Heimat was not just an idea or a composite image of the nation, as this book argues, but was also an arena of discursive conflict with competing claims to national representativeness.
The composite image, topped by a mortarboard, is the focus of a recruitment campaign by the Heads, Teachers and Industry group, based at the University of Warwick Science Park, in conjunction with the National Educational Assessment Centre.