Which of the following is the valid response when we apply a first derivative?
A. Non-zero at flat segments
B. Zero at the onset of gray level step
C. Zero in flat segments
D. Zero along ramps
Answer:C
Which of the following is the valid response when we apply a first derivative?
A. Non-zero at flat segments B. Zero at the onset of gray level step C. Zero in flat segments D. Zero along ramps