DataDistribution[ddist, ...] represents a probability distribution of type ddist, estimated from a set of data.
ImageConvolve[image, ker] gives the convolution of image with kernel ker.
ImagePad[image, m] pads image on all sides with m background pixels.ImagePad[image, m, padding] pads image on all sides using the value or method specified by ...
ImageValue[image, {x, y}] gives the pixel value of image at position {x, y}.ImageValue[image, {x, y}, " type"] gives the pixel value converted to the specified type.
MachineNumberQ[expr] returns True if expr is a machine-precision real or complex number, and returns False otherwise.
NotebookDirectory[] gives the directory of the current evaluation notebook. NotebookDirectory[nb] gives the directory for the notebook specified by nb.
RidgeFilter[image] computes a measure for the presence of a ridge for each pixel in image.RidgeFilter[image, \[Sigma]] uses the specified ridge scale \[Sigma].
RootApproximant[x] converts the number x to one of the "simplest" algebraic numbers that approximates it well.RootApproximant[x, n] finds an algebraic number of degree at ...
TaggingRules is an option for selections that specifies a list of strings to be associated with a selection.
$MinPrecision gives the minimum number of digits of precision to be allowed in arbitrary-precision numbers.