DIGITAL IMAGE FUNDAMENTALS MCQ
- Sensor strip mounted in a ring configuration is used in
- 1024 x 1024 image has resolution of
- The lens is made up of concentric layers of
- Radio wave band encompasses
- L = 23 would have
- The cornea is the tough transparent tissues that covers eye\'s
- Digital images are displayed as a discrete set if
- In MxN, M is no of
- Each element of the matrix is called
- Imaging system produces
- Digitizing the coordinate values is called
- The smallest element of an image is called
- Types of imaging sensors are
- E = hv in this expression, h is called
- The fovea itself is a circular indentation in the retina of about
- Type of zooms are
- DPI stands for
- Hard x-rays are used in
- No of bits to store image is denoted by the formula
- MRI in imaging stands for
- Digitizing the amplitude values is called
- Process of using known to estimate unknown is called
- The choroid lies directly below the
- Value of speed of light constant c
- Black and white images have only
- Gamma rays have largest
- Part of the eye , that is not the membrane of the eye is
- In MxN, N is no of
- One that is not the measuring substance of the image is
- Discernible change in intensity level of image is
- Black and white pixels of image are represented in matrix as
- Image sensor produces
- Mechanical digitizers are referred to
- Cone vision is called
- Digitizing the image requires
- A matrix is denoted by
- Changing the overall sensitivity of the image is called
- Image linear interpolation is given by the formula
- One that is not the type of image sensor is
- X-rays pass through the patient\'s body for generating diagnostic
- Value of plank\'s constant h is
- Digital image processing is build on mathematical and
- The lens has a fixed
- Functions that combines to produce Æ(x,y)
- The innermost membrane of the eye is
- Radio waves have largest
- Matrix is made up of
- Discernible small details of image is
- To convert a continuous sensed data into Digital form, which of the following is required?
- To convert a continuous image f(x, y) to digital form, we have to sample the function in __________
- For a continuous image f(x, y), how could be Sampling defined?
- For a continuous image f(x, y), Quantization is defined as
- Validate the statement:
- How is sampling been done when an image is generated by a single sensing element combined with mechanical motion?
- How does sampling gets accomplished with a sensing strip being used for image acquisition?
- How is sampling accomplished when a sensing array is used for image acquisition?
- The quality of a digital image is well determined by ___________
- Assume that an image f(x, y) is sampled so that the result has M rows and N columns. If the values of the coordinates at the origin are (x, y) = (0, 0), then the notation (0, 1) is used to signify :
- The resulting image of sampling and quantization is considered a matrix of real numbers. By what name(s) the element of this matrix array is called __________
- Let Z be the set of real integers and R the set of real numbers. The sampling process may be viewed as partitioning the x-y plane into a grid, with the central coordinates of each grid being from the Cartesian product Z2, that is a set of all ordered pairs (zi, zj), with zi and zj being integers fro
- Let Z be the set of real integers and R the set of real numbers
- The digitization process i.e. the digital image has M rows and N columns, requires decisions about values for M, N, and for the number, L, of gray levels allowed for each pixel. The value M and N have to be:
- The digitization process i.e. the digital image has M rows and N columns, requires decisions about values for M, N, and for the number, L, of max gray levels. There are no requirements on M and N, other than that M and N have to be positive integer. However, the number of gray levels typically is
- The digitization process i.e
- After digitization process a digital image with M rows and N columns have to be positive and for the number, L, max gray levels i.e. an integer power of 2 for each pixel. Then, the number b, of bits required to store a digitized image is:
- An image whose gray-levels span a significant portion of gray scale have __________ dynamic range while an image with dull, washed out gray look have __________ dynamic range
- Validate the statement “When in an Image an appreciable number of pixels exhibit high dynamic range, the image will have high contrast.”
- In digital image of M rows and N columns and L discrete gray levels, calculate the bits required to store a digitized image for M=N=32 and L=16
- A continuous image is digitised at _______ points
- The transition between continuous values of the image function and its digital equivalent is called ______________
- Images quantised with insufficient brightness levels will lead to the occurrence of ____________
- The smallest discernible change in intensity level is called ____________
- What is the tool used in tasks such as zooming, shrinking, rotating, etc.?
- The type of Interpolation where for each new location the intensity of the immediate pixel is assigned is ___________
- The type of Interpolation where the intensity of the FOUR neighbouring pixels is used to obtain intensity a new location is called ___________
- Dynamic range of imaging system is a ratio where the upper limit is determined by
- For Dynamic range ratio the lower limit is determined by
- Quantitatively, spatial resolution cannot be represented in which of the following ways
- The most familiar single sensor used for Image Acquisition is
- A geometry consisting of in-line arrangement of sensors for image acquisition
- CAT in imaging stands for
- The section of the real plane spanned by the coordinates of an image is called the _____________
- The difference is intensity between the highest and the lowest intensity levels in an image is ___________
- _____________ is the effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image
- The process of using known data to estimate values at unknown locations is called
- Which of the following is NOT an application of Image Multiplication?
- The procedure done on a digital image to alter the values of its individual pixels is
- In Geometric Spacial Transformation, points whose locations are known precisely in input and reference images
- Of the following, _________ has the maximum frequency
- How is array operation carried out involving one or more images?
- The property indicating that the output of a linear operation due to the sum of two inputs is same as performing the operation on the inputs individually and then summing the results is called ___________
- The property indicating that the output of a linear operation to a constant times as input is the same as the output of operation due to original input multiplied by that constant is called _________
- Enhancement of differences between images is based on the principle of ____________
- A commercial use of Image Subtraction is ___________
- Region of Interest (ROI) operations is commonly called as ___________
- If every element of a set A is also an element of a set B, then A is said to be a _________ of set B
- Consider two regions A and B composed of foreground pixels. The ________ of these two sets is the set of elements belonging to set A or set B or both
- Imaging systems having physical artefacts embedded in the imaging sensors produce a set of points called __________
- Image processing approaches operating directly on pixels of input image work directly in ____________
Computer
(d).illumination and reflectance
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