PIXEL

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does pixel mean? 

• PIXEL (noun)
  The noun PIXEL has 1 sense:

1. (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)

  Familiarity information: PIXEL used as a noun is very rare.

 Dictionary entry details 

• PIXEL (noun)

Sense 1

Meaning:

(computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)

Classified under:

Nouns denoting man-made objects

Synonyms:

pel; picture element; pixel

Context example:

the greater the number of pixels per inch the greater the resolution

Hypernyms ("pixel" is a kind of...):

component; constituent; element (an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system)

Domain category:

computer science; computing (the branch of engineering science that studies (with the aid of computers) computable processes and structures)

Holonyms ("pixel" is a part of...):

raster (the rectangular formation of parallel scanning lines that guide the electron beam on a television screen or a computer monitor)

 Context examples 

Phenomenon in a reconstructed image where true activity concentration of an object is not displayed totally in its corresponding pixels (voxels).

(Image Spillover, NCI Thesaurus)

The new Triton map has a resolution of 1,970 feet (600 meters) per pixel.

(Voyager Map Details Neptune's Strange Moon Triton, NASA)

Currently, comet 67P scales to about one pixel.

(Rosetta closing in on comet, NASA)

The largest difference between, or ratio of, an instrument's or method's highest and lowest value in a set, such as pixel (voxel) values in an image.

(Dynamic Range, NCI Thesaurus)

An image composed of pixels with varying intensities of a single color.

(Grayscale Image, NCI Thesaurus)

A method of reconstruction that sums individual contributions to a pixel (voxel) value from detected counts of all lines of response passing through this pixel (voxel).

(Filtered Backprojection, NCI Thesaurus)

An image where, instead of a customary parameter such as activity concentration, other computed results are displayed at each pixel (voxel) in their stead.

(Parametric Image, NCI Thesaurus)

Image scale is about 0.5 miles (800 meters) per pixel.

(Cassini's Final View of Titan's Northern Lakes and Seas, NASA)

An artifact that happens when a structure is only partly within the imaging section, pixel or voxel, resulting in the signals of the structure and the adjacent or surrounding structures becoming averaged.

(Partial Volume Averaging, NCI Thesaurus)

The distance on the imaged subject that corresponds to the width (or the height typically the same as the width) of the smallest piece of the subject that is displayed as a pixel.

(Pixel Size, NCI Thesaurus)