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# Line Detection in Digital Image Processing Multiple Choice Questions (MCQ) PDF Download

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The MCQ: For finding lines at angle 45 we use mask of values; "Line Detection in Digital Image Processing" App Download (Free) with answers: [-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]; [-1 -1 2; -1 2 -1;2 -1 -1]; for online master programs. Practice Line Detection in Digital Image Processing Quiz Questions, download Apple eBook (Free Sample) for cheapest online computer science degree.

## Line Detection in Digital Image Processing MCQs: Questions and Answers

MCQ 1:

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]
MCQ 2:

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]
MCQ 3:

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
MCQ 4:

Masks for detection of specific lines are called

1. isolated
2. tuned
3. isomorphic
4. isotropic
MCQ 5:

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]

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