input,s,a,,,,Input image
output,s,a,,,,Output image
gain11,r,h,1,,,"Gain for quadrant y=1, x=1"
gain12,r,h,1,,,"Gain for quadrant y=1, x=2"
gain21,r,h,1,,,"Gain for quadrant y=2, x=1"
gain22,r,h,1,,,"Gain for quadrant y=2, x=2"
opperation,s,h,"multiply","multiply|divide",,Multiply or divide by gains