Reference

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erf

Built-in command

No arguments

Description:

Compute the pointwise error function of selected images.

Examples of use:

• Example #1

$ gmic image.jpg +normalize 0,2 erf[-1]

Command: image.jpg +normalize 0,2 erf[-1]
Command: image.jpg +normalize 0,2 erf[-1]

• Example #2

$ gmic 300,1,1,1,'7*x/w-3.5+u' +erf display_graph 400,300

Command: 300,1,1,1,'7*x/w-3.5+u' +erf display_graph 400,300
Command: 300,1,1,1,'7*x/w-3.5+u' +erf display_graph 400,300