MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In neighborhood operation for spatial filtering if a square mask of size n*n is used it is restricted that the center of mask must be at a distance ≥ (n – 1)/2 pixels from border of image, what happens to the resultant image? |
| A. | The resultant image will be of same size as original image |
| B. | The resultant image will be a little larger size than original image |
| C. | The resultant image will be a little smaller size than original image |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
In neighborhood operation for spatial filtering using square mask of n*n, which of the following approach is/are used to obtain a perfectly filtered result irrespective of the size? |
| A. | By padding the image |
| B. | By filtering all the pixels only with the mask section that is fully contained in the image |
| C. | By ensuring that center of mask must be at a distance ≥ (n – 1)/2 pixels from border of image |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Which of the following method is/are used for padding the image? |
| A. | Adding rows and column of 0 or other constant gray level |
| B. | Simply replicating the rows or columns |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
In neighborhood operation for spatial filtering if a square mask of size n*n is used it is restricted that the center of mask must be at a distance ≥ (n – 1)/2 pixels from border of image, what happens to the resultant image?$ |
| A. | The resultant image will be of same size as original image |
| B. | The resultant image will be a little larger size than original image |
| C. | The resultant image will be a little smaller size than original image |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
Which of the following is/are used as basic function in nonlinear filter for noise reduction? |
| A. | Computation of variance |
| B. | Computation of median |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 6. |
Which of the following is/are a nonlinear operation? |
| A. | Computation of variance |
| B. | Computation of median |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
In linear spatial filtering, what is the pixel of the image under mask corresponding to the mask coefficient w (1, -1), assuming a 3*3 mask? |
| A. | f (x, -y) |
| B. | f (x + 1, y) |
| C. | f (x, y – 1) |
| D. | f (x + 1, y – 1) |
| Answer» E. | |
| 8. |
The response for linear spatial filtering is given by the relationship __________ |
| A. | Sum of filter coefficient’s product and corresponding image pixel under filter mask |
| B. | Difference of filter coefficient’s product and corresponding image pixel under filter mask |
| C. | Product of filter coefficient’s product and corresponding image pixel under filter mask |
| D. | None of the mentioned |
| Answer» B. Difference of filter coefficient‚Äö√Ñ√∂‚àö√ë‚àö¬•s product and corresponding image pixel under filter mask | |
| 9. |
In neighborhood operations working is being done with the value of image pixel in the neighborhood and the corresponding value of a subimage that has same dimension as neighborhood. The subimage is referred as _________ |
| A. | Filter |
| B. | Mask |
| C. | Template |
| D. | All of the mentioned |
| Answer» E. | |