picture element


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picture element

[′pik·chər ‚el·ə·mənt]
(electronics)
That portion, in facsimile, of the subject copy which is seen by the scanner at any instant; it can be considered a square area having dimensions equal to the width of the scanning line.
In television, any segment of a scanning line, the dimension of which along the line is exactly equal to the nominal line width; the area which is being explored at any instant in the scanning process. Also known as critical area; elemental area; pixel; recording spot; scanning spot.

picture element

(graphics)
(pixel) The smallest resolvable rectangular area of an image, either on a screen or stored in memory. Each pixel in a monochrome image has its own brightness, from 0 for black to the maximum value (e.g. 255 for an eight-bit pixel) for white. In a colour image, each pixel has its own brightness and colour, usually represented as a triple of red, green and blue intensities (see RGB).

Compare voxel.
References in periodicals archive ?
Tarrant County College uses Picture Element, a responsive image technique, to serve different images to users on desktop and mobile screens.
Although a monitor's resolution--the number of picture elements (pixels) used to produce an image--is important, it's how close together pixels are placed--dot pitch--that matters to the eye.
Each lenslet selectively illuminates one of the sample picture elements (pixels), which are only one quarter of the size of the lenslets.
Pixels or picture elements are rather succinctly described within the text, alongside the added clarification provided by the use of diagrams and their corresponding legends.
Using a "common image format" of 1,080 by 1,920 picture elements, productions can be either broadcast on television or projected onto cinema screens without expensive conversions.
The individual picture elements (pixels) in a CCD array collect starlight in much the same way that an array of buckets would collect rainwater during a storm.
Then, the system's electronics transform the image into picture elements, or pixels.
A single picture consists of 307,200 (640*480) picture elements (pixels).
Software programs send instructions that transform your keystrokes into points of light on the screen called picture elements (pixels).
At JPEG's lower compression ratio, picture quality is enhanced because more of the picture elements are recorded.
Ultra-high resolution, according to the company, is capable for 6 million picture elements in liquid crystal display.
Methods to control that technology and the picture elements (pixels) evolved over the next thirty years, with the development of Twisted Nematic (TN) early on, to vertical alignment (VA) and in-plane switching (IPS) in the early 1990s.