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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Q. Two images having one pixel gray value 01010100 and 00000101 at the same location, are operated against AND operator. What would be the resultant pixel gray value at that location in the enhanced image?

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Q. Which of the following arithmetic operator is primarily used as a masking operator in enhancement?

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