edge models in digital image processing

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Intersection between zero intensity and extreme of second derivative is called

Intersection between zero intensity and extreme of second derivative is called
  • A. discontinuity
  • B. similarity
  • C. continuity
  • D. zero crossing
  • Correct Answer: Option D

8bit image has intensity levels of

8bit image has intensity levels of
  • B. 128
  • C. 255
  • D. 256
  • Correct Answer: Option D

Second derivatives are zero at points on

Second derivatives are zero at points on
  • A. ramp
  • B. step
  • C. constant intensity
  • D. edge
  • Correct Answer: Option A

Standard deviation is referred to as noiseless if having value

Standard deviation is referred to as noiseless if having value
  • A. 0.1
  • B. 0.2
  • C. 0.3
  • D. 0.4
  • Correct Answer: Option A

For noise reduction we use

For noise reduction we use
  • A. image smoothing
  • B. image contouring
  • C. image enhancement
  • D. image recognition
  • Correct Answer: Option A