pixel

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pixel
1.. A picture element. Commonly the smallest component of a multispectral image as determined by a single optic fibre.

2.. In remote sensing, a single sample of data in an image. A pixel has a spatial attribute corresponding to its location within the image and the area of ground represented, and a spectral attribute corresponding to the intensity of a particular wavelength. See also PIXEL COLOUR.

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pixel (pel) Derived from picture element. One of the elements in an array that is holding pictorial information. It contains data representing either directly or indirectly the brightness and possibly color of a small region of the image. See also digital image.

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pix·el / ˈpiksəl/ • n. Electr. a minute area of illumination on a display screen, one of many from which an image is composed.

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pixel (piks-ĕl) n. short for ‘picture element’, the smallest individual component of an electronically produced image. See digital (image).

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pixel (ˈpɪksəl) Computing picture element