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Recent questions and answers in Digital Image Processing

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Digital image processing, Fourier kernel
The 2D Fourier kernels k(x,y,u,v) = e^(-j2π(ux/M + vy/N)) is -a)Separable and antisymmetric b)Symmetric but not separable c)Separable and symmetricd)Antisymmetric and not separable
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UGC NET CSE | December 2014 | Part 3 | Question: 65
Given a simple image of size $10 \times 10$ whose histogram models the symbol probabilities and is given by$P_{1}$P_{2}$P_{3}$ ...
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UGC NET CSE | June 2014 | Part 3 | Question: 55
Given an image of size $1024 \times 1024$ pixels in which intensity of each pixel is an $8$-bit quality. It requires _______ of storage space if the image is not compressed.One TerabyteOne Megabyte$8$ Megabytes $8$ Terabytes
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UGC NET CSE | December 2015 | Part 3 | Question: 49
Consider the conditional entropy and mutual information for the binary symmetric channel. The input source has alphabet $X=\{0,1\}$ and associated probabilities ${\dfrac{1}{2}, \dfrac{1}{2}}$ ... $0$
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ISRO2015-65
Which of the following is not an image type used in $\text{MPEG}?$\text{A}$ frame$\text{B}$ frame$\text{D}$ frame$\text{P}$ frame
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ISRO-2013-10
If the frame buffer has 8 bits per pixel and 8 bits are allocated for each of the $R, G, B$ components, what would be the size of the lookup table?$24$ bytes$1024$ bytes$768$ bytes$256$ bytes
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UGC NET CSE | June 2016 | Part 3 | Question: 60
Which of the following is used for the boundary representation of an image object?Quad TreeProjectionsRun length codingChain codes
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UGC NET CSE | December 2015 | Part 3 | Question: 51
Blind image disconvolution isCombination of blur identification and image restorationCombination of segmentation and classificationCombination of blur and non-blur imageNone of the above
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UGC NET CSE | June 2012 | Part 3 | Question: 10
In an image compression system 16384 bits are used to represent 256 $\times$ 256 image with 256 gray levels. What is the compression ratio for this system?1248
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UGC NET CSE | June 2012 | Part 3 | Question: 19
The quantiser in an image-compression system is alossy element which exploits the psychovisual redundancylossless element which exploits the ... exploits the statistical redundancylossless element which exploits the statistical redundancy
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image enotropy
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spatial masks
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in the standard ieee 754 single precision floating point representation there is 1 bit of sign 23 bit for fraction
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ISRO2015-63
Which of the following compression algorithms is used to generate a $\textsf{.png}$ file?$\text{LZ78}$Deflate$\text{LZW}$Huffman
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ISRO2014-7
What does a pixel mask mean?string containing only $1\text{'s}$string containing only $0\text{'s}$string containing two $0\text{'s}$string containing $1\text{'s}$ and $0\text{’s}$
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IMAGE
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UGC NET CSE | December 2012 | Part 3 | Question: 64
If the Fourier transform of the function f(x,y) is F(m,n), then the Fourier transform of the function f(2x,2y) is$\frac{1}{4} F (\frac{m}{2}, \frac{n}{2})$\frac{1}{4} F (2m, 2n)$\frac{1}{4} F (m,n)$\frac{1}{4} F (\frac{m}{4}, \frac{n}{4})$
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