basic edge detection

mcqspedia.com has 5 Question/Answers about Topic basic edge detection

Mask’s response to zero means

Mask’s response to zero means
  • A. sum to zero
  • B. subtraction to zero
  • C. division to zero
  • D. multiplication to zero
  • Correct Answer: Option A

Sobel is better than prewitt in image

Sobel is better than prewitt in image
  • A. sharpening
  • B. blurring
  • C. smoothing
  • D. contrast
  • Correct Answer: Option C

Sobel operators were introduced in

Sobel operators were introduced in
  • A. 1970
  • B. 1971
  • C. 1972
  • D. 1973
  • Correct Answer: Option A

Image having gradient pixels is called

Image having gradient pixels is called
  • A. sharp image
  • B. blur image
  • C. gradient image
  • D. binary image
  • Correct Answer: Option C

Horizontal gradient pixels are denoted by

Horizontal gradient pixels are denoted by
  • A. Gx
  • B. Gy
  • C. Gt
  • D. Gs
  • Correct Answer: Option A