Which of the following is not a valid response when we apply a second derivative?
A. Zero response at onset of gray level step
B. Nonzero response at onset of gray level step
C. Zero response at flat segments
D. Nonzero response along the ramps
Answer:B
Which of the following is not a valid response when we apply a second derivative?
A. Zero response at onset of gray level step B. Nonzero response at onset of gray level step C. Zero response at flat segments D. Nonzero response along the ramps