Q1- Assume that an image of 32x32 distributed as follows:Gray level121415161819202122Num of pixels7450100250150280305040a) Draw the image histogramb) Find the equalized histogram

Histogram of an image represents the relative frequency of occurrence of various gray levels in an…

Answered: Q1- Assume that an image of 32x32…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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The pixels in a 3 x 3 image sub-block are as follows: 3 4 2 9 ? 1 3 7 3 (a) Estimate the unknown pixel in the center using both a mean and a median estimator. (b) Repeat if the pixel of value 1 is changed to 25. Are both the mean and median affected? Why or why not?
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How does a dead pixel appear?
If you used RLE (run-length encoding), how do you suggest we compress the following black and white image? How much space (in bits) did we save by compressing the image? What is the ratio?
The figure shown above is a binary images I in which white piİxels have values of one and black pixels have values of zero. First compute derivatives of the image intensities in the x and y directions following the numerical way to obtain Ix and Iy : Ix(i,j)= (I(i+1,j)-I(i-1,j))/2 and Iy(i,j) = (I(i,j+1)-I(i,j-1))/2. For the computation of Ix(i,j) on pixels in the first column Ix(i, j) = I(i+1,j) - I(i,j) or of Iy(i,j) on pixels in the first row Iy(i,j) = I(i,j+1) - I(i,j). For the computation of Ix(i,j) on pixels in the last column Ix(i,j) = I(i,j) - I(i-1,j) or of Iy(i,j) on pixels in the last row Iy(i,j) = I(i,j) - I(i,j-1). Calculate the response R of the Harris corner detector at each pixel based on Ix and ly, assuming (i) a value of k=0.05 in the calculation, (ii) that products of derivatives are summed over an equally weighted 3 by 3 pixel window around each pixel, (iii) that the image is padded with zeros when computing at pixels on the edge. ANSWER: R= (to 2 decimal places)
a. You are given the following frame. 1. Find its resolution 2 The coordinates of the red pixel.

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Q1- Assume that an image of 32x32 distributed as follows: Gray level 12 14 15 16 18 19 20 21 22 Num of pixels 74 50 100 250 150 280 30 50 40 a) Draw the image histogram b) Find the equalized histogram