Editing Digital image (section)

{{Short description|Pictures encoded as binary data}}
{{Use American English|date=January 2019}}
{{broader|Digital imaging}}

A '''digital image''' is an [[image]] composed of [[pixel|picture element]]s, also known as [[Pixel|pixels]], each with ''[[Natural number|finite]]'', ''[[discrete mathematics|discrete quantities]]'' of numeric representation for its [[Amplitude|intensity]] or [[gray level]] that is an output from its [[Function (mathematics)|two-dimensional functions]] fed as input by its [[spatial coordinates]] denoted with ''x'', ''y'' on the x-axis and y-axis, respectively.<ref name="Gonzalez 2018 p. ">{{cite book | last=Gonzalez | first=Rafael | title=Digital image processing | publisher=Pearson | location=New York, NY | year=2018 | isbn=978-0-13-335672-4 | oclc=966609831 }}</ref> Depending on whether the [[image resolution]] is fixed, it may be of [[vector graphics|vector]] or [[raster graphics|raster]] type. {{citation needed span|By itself, the term "digital image" usually refers to [[raster graphics|raster images]] or [[bitmap]]ped images (as opposed to [[vector graphics|vector images]]).|date=December 2019}}