OptionalgaussianOptionalhighHigher threshold of the gaussian blur (indicates the strong edges to keep). Value must be between 0 and 1.
OptionalhysteresisEnable/ disable hysteresis steps.
OptionallowLower threshold of the gaussian blur (indicates the weak edges to discard).
OptionaloutImage to which the resulting image has to be put.
Standard deviation of the gaussian blur (sigma). Value must be between 0 and 1.