MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
State the statement true or false: “BLPF has sharp discontinuity and ILPF doesn’t, and so ILPF establishes a clear cutoff b/w passed and filtered frequencies”. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Using the feature of reciprocal relationship of filter in spatial domain and corresponding filter in frequency domain along with convolution, which of the following fact is true? |
| A. | The narrower the frequency domain filter more severe is the ringing |
| B. | The wider the frequency domain filter more severe is the ringing |
| C. | The narrower the frequency domain filter less severe is the ringing |
| D. | None of the mentioned |
| Answer» B. The wider the frequency domain filter more severe is the ringing | |
| 3. |
What is the relation for the components of ideal lowpass filter and the image enhancement? |
| A. | The concentric component is primarily responsible for blurring |
| B. | The center component is primarily for the ringing characteristic of ideal filter |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» E. | |
| 4. |
The characteristics of the lowpass filter h(x, y) is/are_________ |
| A. | Has a dominant component at origin |
| B. | Has a concentric, circular components about the center component |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is of lower order, the filter approaches to which of the following filter(s)? |
| A. | Ideal lowpass filter |
| B. | Gaussian lowpass filter |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» C. All of the mentioned | |
| 6. |
Which of the following lowpass filters is/are covers the range of very smooth filter function? |
| A. | Ideal lowpass filters |
| B. | Butterworth lowpass filter |
| C. | Gaussian lowpass filter |
| D. | All of the mentioned |
| Answer» B. Butterworth lowpass filter | |
| 7. |
THE_CHARACTERISTICS_OF_THE_LOWPASS_FILTER_H(X,_Y)_IS/ARE_________?$ |
| A. | Has a dominant component at origin |
| B. | Has a concentric, circular components about the center component |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
Using the feature of reciprocal relationship of filter in spatial domain and corresponding filter in frequency domain along with convolution, which of the following fact is true?$ |
| A. | The narrower the frequency domain filter more severe is the ringing |
| B. | The wider the frequency domain filter more severe is the ringing |
| C. | The narrower the frequency domain filter less severe is the ringing |
| D. | None of the mentioned |
| Answer» B. The wider the frequency domain filter more severe is the ringing | |
| 9. |
What_is_the_relation_for_the_components_of_ideal_lowpass_filter_and_the_image_enhancement?$ |
| A. | The concentric component is primarily responsible for blurring |
| B. | The center component is primarily for the ringing characteristic of ideal filter |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» E. | |
| 10. |
A Butterworth filter of what order has no ringing? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 11. |
State the statement true or false: “BLPF has sharp discontinuity and ILPF doesn’t, and so ILPF establishes a clear cutoff b/w passed and filtered frequencies”.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
In an ideal lowpass filter case, what is the relation between the filter radius and the blurring effect caused because of the filter? |
| A. | Filter size is directly proportional to blurring caused because of filter |
| B. | Filter size is inversely proportional to blurring caused because of filter |
| C. | There is no relation between filter size and blurring caused because of it |
| D. | None of the mentioned |
| Answer» C. There is no relation between filter size and blurring caused because of it | |
| 13. |
In a filter, all the frequencies inside a circle of radius D0 are not attenuated while all frequencies outside circle are completely attenuated. The D0 is the specified nonnegative distance from origin of the Fourier transform. Which of the following filter(s) characterizes the same? |
| A. | Ideal filter |
| B. | Butterworth filter |
| C. | Gaussian filter |
| D. | All of the mentioned |
| Answer» B. Butterworth filter | |
| 14. |
Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is very high, the filter approaches to which of the following filter(s)? |
| A. | Ideal lowpass filter |
| B. | Gaussian lowpass filter |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Gaussian lowpass filter | |
| 15. |
Which of the following lowpass filters is/are covers the range of very sharp filter function? |
| A. | Ideal lowpass filters |
| B. | Butterworth lowpass filter |
| C. | Gaussian lowpass filter |
| D. | All of the mentioned |
| Answer» B. Butterworth lowpass filter | |
| 16. |
Which of the following is/are considered as type(s) of lowpass filters? |
| A. | Ideal |
| B. | Butterworth |
| C. | Gaussian |
| D. | All of the mentioned |
| Answer» E. | |
| 17. |
Smoothing in frequency domain is achieved by attenuating which of the following component in the transform of a given image? |
| A. | Attenuating a range of high-frequency components |
| B. | Attenuating a range of low-frequency components |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Attenuating a range of low-frequency components | |