Q. What is the full form for PDF, a fundamental descriptor of random variables i.e. gray values in an image?

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Q. What is the full form of CDF?

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Q. For the transformation T(r) = [∫0^r pr(w) dw], r is gray value of input image, pr(r) is PDF of random variable r and w is a dummy variable. If, the PDF are always positive and that the function under integral gives the area under the function, the transformation is said to be __________

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Q. The transformation T (rk) = ∑k(j=0) nj /n, k = 0, 1, 2, …, L-1, where L is max gray value possible and r-k is the kth gray level, is called _______

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Q. If the histogram of same images, with different contrast, are different, then what is the relation between the histogram equalized images?

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Q. The technique of Enhancement that has a specified Histogram processed image as result, is called?

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Q. In Histogram Matching r and z are gray level of input and output image and p stands for PDF, then, what does pz(z) stands for?

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Q. Inverse transformation plays an important role in which of the following Histogram processing Techniques?

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Q. In Histogram Matching or Specification, z = G^-1[T(r)], r and z are gray level of input and output image and T & G are transformations, to confirm the single value and monotonous of G^-1 what of the following is/are required?

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Q. Which of the following histogram processing techniques is global?

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Q. What happens to the output image when global Histogram equalization method is applied on smooth and noisy area of an image?

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Q. In terms of enhancement, what does mean and variance refers to?

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Q. What is standard deviation value for constant area?

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Q. For a local enhancement using mean and variance, what happens if the lowest value of contrast is not restricted as per the willingness of acceptance of value?

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Q. Logic operations between two or more images are performed on pixel-by-pixel basis, except for one that is performed on a single image. Which one is that?

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Q. Which of the following logical operator(s) is/are functionally complete?

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Q. While implementing logic operation on gray-scale images, the processing of pixel values is done as __________

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Q. What is the equivalent for a black, 8-bit pixel to be processed under logic operation on gray scale image?

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Q. Which of the following operation(s) is/are equivalent to negative transformation?

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Q. Which of the following operations are used for masking?

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