# Line detection in Digital Image Processing MCQs Quiz Online PDF Download

Practice line detection in digital image processing MCQs, digital image processing MCQ test for online learning. Image segmentation quiz has multiple choice questions (MCQ), line detection in digital image processing quiz questions and answers to practice as for finding horizontal lines we use mask of values, answer key help with choices as [-1 -1 -1; 2 2 2; -1 -1 -1], [2 -1 -1; -1 2 -1; -1 -1 2], [-1 2 -1; -1 2 -1; -1 2 -1] and [-1 -1 2; -1 2 -1;2 -1 -1] problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning line detection in digital image processing quiz with MCQs to practice test questions with answers.

## MCQs on Line detection in Digital Image Processing Quiz PDF Download

MCQ. For finding horizontal lines we use mask of values

1. [-1 -1 -1; 2 2 2; -1 -1 -1]
2. [2 -1 -1; -1 2 -1; -1 -1 2]
3. [-1 2 -1; -1 2 -1; -1 2 -1]
4. [-1 -1 2; -1 2 -1;2 -1 -1]

A

MCQ. For finding lines at angle 45 we use mask of values

1. [-1 -1 -1; 2 2 2; -1 -1 -1]
2. [2 -1 -1; -1 2 -1; -1 -1 2]
3. [-1 2 -1; -1 2 -1; -1 2 -1]
4. [-1 -1 2; -1 2 -1;2 -1 -1]

B

MCQ. If all lines in the direction of defined direction of mask are wished to be found then we use

1. thick edges
2. thin edges
3. thresholding
4. enhancement

C

MCQ. Masks for detection of specific lines are called

1. isolated
2. tuned
3. isomorphic
4. isotropic

B

MCQ. For finding vertical lines we use mask of values

1. [-1 -1 -1; 2 2 2; -1 -1 -1]
2. [2 -1 -1; -1 2 -1; -1 -1 2]
3. [-1 2 -1; -1 2 -1; -1 2 -1]
4. [-1 -1 2; -1 2 -1;2 -1 -1]

C