edge

edge

University

10 Qs

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Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Jayanthi J

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10 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

First derivatives in image segmentation produces
(A) Thick edge
(B) Thin edge
(C) Fine edge
(D) None of the above

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Which of the following image edge detection techniques emphasizes rapid intensity changes in pixel values and is commonly used in computer vision and image processing?

A) Gaussian Blur B) Median Filtering C) Sobel Operator D) Histogram Equalization

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following operators is commonly used for detecting edges in image processing?

A) Laplacian of Gaussian (LoG) B) Fast Fourier Transform (FFT) C) K-means clustering D) Mean filtering

A) Laplacian of Gaussian (LoG)

B) Fast Fourier Transform (FFT)

C) K-means clustering

D) Mean filtering

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Which of the following edge detection techniques is known for preserving edges in an image while reducing noise?

A) Canny edge detection B) Roberts operator C) Histogram equalization D) Hough transform

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which edge detection technique uses the concept of zero-crossing to detect edges in an image?

A) Roberts operator B) Sobel operator C) Prewitt operator D) Laplacian of Gaussian (LoG)

A) Roberts operator

B) Sobel operator

C) Prewitt operator

D) Laplacian of Gaussian (LoG)

6.

DRAW QUESTION

3 mins • 1 pt

Write Laplacian filter ?

Media Image

Answer explanation

Media Image

7.

DRAW QUESTION

3 mins • 1 pt

write sobel filter ?

Media Image

Answer explanation

Media Image

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