edge detection in image processing

mcqspedia.com has 5 Question/Answers about Topic edge detection in image processing

Second derivative approximation says that it is nonzero only at

Second derivative approximation says that it is nonzero only at
  • A. ramp
  • B. step
  • C. onset
  • D. edges
  • Correct Answer: Option C

Smoothness reduced bricks of

Smoothness reduced bricks of
  • A. pixels
  • B. constant intensities
  • C. point pixels
  • D. edges
  • Correct Answer: Option D

Sobel gradient is not that good for detection of

Sobel gradient is not that good for detection of
  • A. horizontal lines
  • B. vertical lines
  • C. Diagonal lines
  • D. edges
  • Correct Answer: Option C

Gradient magnitude images are more useful in

Gradient magnitude images are more useful in
  • A. point detection
  • B. line detection
  • C. area detection
  • D. edge detection
  • Correct Answer: Option D

Gradient computation equation is

Gradient computation equation is
  • A. |Gx|+|Gy|
  • B. |Gx|-|Gy|
  • C. |Gx|/|Gy|
  • D. |Gx|x|Gy|
  • Correct Answer: Option A