Image Arithmetic

 
AVERAGE/AVERAGE  			 Compute simple average of all pixels in a subimage

AVERAGE/COLUMN				 Compute average of image columns

AVERAGE/IMAGE  				 Calculate the average of images

AVERAGE/ROW				 Compute average of image rows

AVERAGE/WINDOW				 Compare images, then take the meaning

COMPUTE/IMAGE				 Compute arithmetic expression of images

COMPUTE/PIXEL 				 Perform arithmetic operations on images using

					 pixel coordinates

COMPUTE/ROW				 Compute arithmetic expression on image scan lines