Which of the facts(s) is/are true for the second order derivative of a digital function?
Posted: Thu Jul 14, 2022 10:06 am
a) Must be zero in the flat areas
b) Must be nonzero at the onset and end of a gray-level step or ramp discontinuities
c) Must be zero along the ramps of constant slope
d) All of the mentioned
b) Must be nonzero at the onset and end of a gray-level step or ramp discontinuities
c) Must be zero along the ramps of constant slope
d) All of the mentioned