Basic mathematical and logical functions

ABS

Replace each pixel in image by its absolute value (B)

GAUSTRAN

Apply a Gaussian transfer function to an image (B)

LOGICAL

Perform logical comparisons between image and constants (B)

MINMAX

Determine minimum and maximum value for each band of image (B)

POWER

Raise image pixel values to a specified power (C)

TRIG

Compute arcsin, arccos, or arctan for one or two images (B)

UNARY

Compute sin, cos, log, exp, not, or linear scaling of image (B)