DiracComb (Built-in Mathematica Symbol)

DiracComb[x] represents the Dirac comb function giving a delta function at every integer point. DiracComb[x_1, x_2, ...] represents the multidimensional Dirac comb function.

DirectoryQ (Built-in Mathematica Symbol)

DirectoryQ["name"] gives True if the directory with the specified name exists, and gives False otherwise.

FileExistsQ (Built-in Mathematica Symbol)

FileExistsQ["name"] gives True if the file with the specified name exists, and gives False otherwise.

ImageCapture (Built-in Mathematica Symbol)

ImageCapture[] opens a graphical user interface for capturing images from connected cameras.

ImageReflect (Built-in Mathematica Symbol)

ImageReflect[image] reverses image by top-bottom mirror reflection. ImageReflect[image, side] reverses image by reflecting it so that the specified side goes to the opposite ...

Invisible (Built-in Mathematica Symbol)

Invisible[expr] displays as space that is the same size as the formatted version of expr.

KuwaharaFilter (Built-in Mathematica Symbol)

KuwaharaFilter[image, r] computes for each pixel p in image the variance of the values in the four (r + 1)*(r + 1) squares that have p as a corner, and replaces p with the ...

LatitudeLongitude (Built-in Mathematica Symbol)

LatitudeLongitude[pos] gives a list of the latitude and longitude in degrees of a geographic position specified by pos.LatitudeLongitude[pos, datum] gives the latitude and ...

Masking (Built-in Mathematica Symbol)

Masking is an option for various image analysis and processing functions that specifies on which regions they should operate.

PreemptProtect (Built-in Mathematica Symbol)

PreemptProtect[expr] evaluates expr, without any interruption from preemptive evaluations.