Problem 2 Consider the following 8-bit image:32 323128341528 26352215 1633 333117Apply the following operations:(a) Global thresholding via global mean.(b) Global iterative thresholding technique.(c) Local thresholding via mean by dividing the image into 4 blocks.

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Answered: Problem 2 Consider the ftollowing 8-bit…

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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1.Consider the following truth table where Z= F(A,B,C). A B 1 1 1 1 1 1 1 1 1 1 1 (a)Show the sum of products representation for Z. (b) Use k-maps to minimize Z directly from the truth table (c)Use a 2-var mux to realize the Z function from the truth table 2.(a) Fill out the truth table for 1-bit full adder below for Sum and Cout A В Cin Sum Cout 1 1 1 1 1 (b)Show a 2-level logic circuit corresponding to sum.(after minimizing) (c)Show a 2-level logic circuit corresponding to Cout.(after minimizing)
7.26. The sampling theorem, as we have derived it, states that a signal x(t) must be sam- pled at a rate greater than its bandwidth (or equivalently, a rate greater than twice its highest frequency). This implies that if x(t) has a spectrum as indicated in Figure P7.26(a) then x(t) must be sampled at a rate greater than 2w2. However, since the signal has most of its energy concentrated in a narrow band, it would seem reason- able to expect that a sampling rate lower than twice the highest frequency could be used. A signal whose energy is concentrated in a frequency band is often referred to as a bandpass signal. There are a variety of techniques for sampling such signals, generally referred to as bandpass-sampling techniques. x(t) X(jw) 1 -02-01 (a) +00 p(t) 8(t-nT) Xp (t) W1 W2 W H(jw) x(t) p(t) H(jw) 1 T дід. Wa (b) Wa w Figure P7.26 Chap. 7 Problems 565 To examine the possibility of sampling a bandpass signal as a rate less than the total bandwidth, consider the system shown in…
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Suppose we have a video of two white points moving toward each other at a uniform rate against a black background. We encode it via MPEG. In one I frame the two points are 100 pixels apart; in the next I frame they have merged. The final point of merger happens to lie at the center of a 16 x 16 macroblock. (a) Describe how you might optimally encode the Y component of the intervening B (or P) frames. (b) Now suppose the points are in color and that the color changes slowly as the points move. Describe what the encoding of the U and V values might look like.
Problem 1: Consider a grey-level image f(x. y) with histogram sketched below. 128 255 What can we say about f(x, v)? (i) (ii) Propose an intensity transformation function which will improve the contrast of the image when it is used to modify the intensity of the image. (iii) Sketch the histogram of the transformed intensity. Calculate the mean and the variance of the two images. (iv)

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Problem 2 Consider the ftollowing 8-bit image: 32 32 31 28 34 15 28 26 35 22 15 16 33 33 31 17 Apply the following operations: (a) Global thresholding via global mean. (b) Global iterative thresholding technique. (c) Local thresholding via mean by dividing the image into 4 blocks.