pixel

views updated May 08 2018

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.

pixel

views updated May 18 2018

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.

pixel

views updated May 29 2018

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

pixel

views updated May 18 2018

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

pixel

views updated Jun 08 2018

pixel (ˈpɪksəl) Computing picture element