Calculate gradient

Source: R/calculate_gradient.r

Calculates gradient for a single layer

calculate_gradient(x)

Arguments

x

Image object, must be only 2-dimensional

Value

A list with elements:

  • xThe same image passed

  • gradxThe gradient on the X-axis

  • gradyThe gradient on the Y-axis

  • magnitudeThe overall gradient magnitude

  • orientationthe overal gradient orientation