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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing Questions And Answers Basic Intensity Transformation Functions knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following depicts the main functionality of the Bit-plane slicing? |
| A. | Highlighting a specific range of gray levels in an image |
| B. | Highlighting the contribution made to total image appearance by specific bits |
| C. | Highlighting the contribution made to total image appearance by specific byte |
| D. | Highlighting the contribution made to total image appearance by specific pixels |
| Answer» C. Highlighting the contribution made to total image appearance by specific byte | |
| 2. |
In which type of slicing, highlighting a specific range of gray levels in an image often is desired? |
| A. | Gray-level slicing |
| B. | Bit-plane slicing |
| C. | Contrast stretching |
| D. | Byte-level slicing |
| Answer» B. Bit-plane slicing | |
| 3. |
In contrast stretching, if r1 r2 and s1 s2 then which of the following is true? |
| A. | The transformation function is double valued and exponentially increasing |
| B. | The transformation function is double valued and monotonically increasing |
| C. | The transformation function is single valued and exponentially increasing |
| D. | The transformation function is single valued and monotonically increasing |
| Answer» E. | |
| 4. |
In contrast stretching, if r1=r2, s1=0 and s2=L-1 then which of the following is true? |
| A. | The transformation becomes a thresholding function that creates an octal image |
| B. | The transformation becomes a override function that creates an octal image |
| C. | The transformation becomes a thresholding function that creates a binary image |
| D. | The transformation becomes a thresholding function that do not create an octal image |
| Answer» D. The transformation becomes a thresholding function that do not create an octal image | |
| 5. |
In contrast stretching, if r1=s1 and r2=s2 then which of the following is true? |
| A. | The transformation is not a linear function that produces no changes in gray levels |
| B. | The transformation is a linear function that produces no changes in gray levels |
| C. | The transformation is a linear function that produces changes in gray levels |
| D. | The transformation is not a linear function that produces changes in gray levels |
| Answer» C. The transformation is a linear function that produces changes in gray levels | |
| 6. |
Which of the following transformation function requires much information to be specified at the time of input? |
| A. | Log transformation |
| B. | Power transformation |
| C. | Piece-wise transformation |
| D. | Linear transformation |
| Answer» D. Linear transformation | |
| 7. |
What is the name of process used to correct the power-law response phenomena? |
| A. | Beta correction |
| B. | Alpha correction |
| C. | Gamma correction |
| D. | Pie correction |
| Answer» D. Pie correction | |
| 8. |
What is the general form of representation of power transformation? |
| A. | s=cr<sup> </sup> |
| B. | c=sr<sup> </sup> |
| C. | s=rc |
| D. | s=rc<sup> </sup> |
| Answer» B. c=sr<sup> </sup> | |
| 9. |
What is the general form of representation of log transformation? |
| A. | s=clog<sub>10</sub>(1/r) |
| B. | s=clog<sub>10</sub>(1+r) |
| C. | s=clog<sub>10</sub>(1*r) |
| D. | s=clog<sub>10</sub>(1-r) |
| Answer» C. s=clog<sub>10</sub>(1*r) | |
| 10. |
Which expression is obtained by performing the negative transformation on the negative of an image with gray levels in the range[0,L-1] ? |
| A. | s=L+1-r |
| B. | s=L+1+r |
| C. | s=L-1-r |
| D. | s=L-1+r |
| Answer» D. s=L-1+r | |
| 11. |
Which of the following shows three basic types of functions used frequently for image enhancement? |
| A. | Linear, logarithmic and inverse law |
| B. | Power law, logarithmic and inverse law |
| C. | Linear, logarithmic and power law |
| D. | Linear, exponential and inverse law |
| Answer» C. Linear, logarithmic and power law | |
| 12. |
Which of the following expression is used to denote spatial domain process? |
| A. | g(x,y)=T[f(x,y)] |
| B. | f(x+y)=T[g(x+y)] |
| C. | g(xy)=T[f(xy)] |
| D. | g(x-y)=T[f(x-y)] |
| Answer» B. f(x+y)=T[g(x+y)] | |