Module 5 EMBEDDED WAVELET CODING Version 2 ECE IIT‚ Kharagpur Lesson 13 Zerotree Approach. Version 2 ECE IIT‚ Kharagpur Instructional Objectives At the end of this lesson‚ the students should be able to: 1. Explain the principle of embedded coding. 2. Show the parent-child relationships between subbands of same orientation. 3. Define significance and insignificance of DWT coefficients with respect to a threshold. 4. Define zerotree and zerotree root. 5. Perform successive approximation quantization
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Abstract—A telephone based wireless system for the remote operation of the home appliances is proposed. The telephone‚ acting as a remote controller‚ generates a DTMF signal corresponding to each dialed digit which is converted to a BCD code by the Telephone interface circuit. This is given as input to the transmitter module which is then used to control various home appliances through a receiver module. Data processing stages of the transmitter and receiver modules have been implemented
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large sections of book categories that could be tapped into. Plan of ActionThe plan of action that should be followed is to have Xerox undertake the task of selling the Book-In-Time system of equipment to all potential buyers in the value chain. Some potential customers‚ such as commercial printers‚ already own some of the equipment necessary which would allow Xerox to sell more parts of the process than if they had to sell the whole process and all the equipment in one shot. Other potential buyers
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transmit a packet of size L bits at time t = 0. 1. Let dtrans denote the time to transmit the packet. At time t = dtrans where is the last bit of the packet? 2. Let dprop denote the propagation delay. Suppose dprop is greater than dtrans . At time t = dtrans where is the first bit of the packet? 3. Suppose s = 2.5 × 108 ‚ L = 120 bits‚ and R = 56 kbps. Find the distance m such that dprop is equal to dtrans . Answers 1. The bit has just left Host A. 2. The first bit is in the link and has not
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multiplication can be performed with either a negative multiplicand or multiplier represented in 2’s complement by summation of partial product of the multiplicand and all the bits of the multiplier except the most significant bit (MSB)‚ which is subtracted from the partial sum instead. As an example‚ 3 × –4 (represented by n=4 bits) are computed as follows: 0011 × 1100: 0 0 0 0 0011 × 0 0 0 0 0 0011 × 0 0 0 1 1 + 0011 × 1 0 0 1
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precision digital thermometer which indicates the temperature on the seven segment display. It has an resolution of 0.06deg. The 1 wire temperature sensor IC from Maxim semiconductors is used as the sensor. The DS18S20 Digital Thermometer provides 9–bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18S20 communicates over a 1-wire bus that by definition requires only one data line (and ground) for communication
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Supply Chain Management Group Assignment. Global Company: Fuji Xerox. Group Members: Billie Bess Harkness (10707899)‚ Resham Khan ( )‚ Jamie McDougall (10841310) and Justin Hall (10847491) Due Date: week beginning 9th May. 8 Tutorial: Wednesday 3.30pm. Tutor: Moira Scerri. Contents 1. Executive Summary 3 2. Introduction 4 3.1 Fuji Xerox Environment 4 3.2 Fuji Xerox History 5 3.3 Stakeholders 5 3.4 Remanufacturing Process 5 3.5 Products & Services 6 3.6 Suppliers
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Each bit in the array of one million bytes will represent one phone number. The bit will be turned on if and only if the number was read from the file. Those bits that remain off will indicate the number was never found in the file. You will want to review Bitwise Operators. Using this bitmap association will guarantee no repeats in the resultant file and as a side effect automatically sorts the data since you will process the bitmap sequentially from beginning to end inspecting every bit and writing
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laws of physics‚ it is impossible to get the electrical signal to go any faster. There are two ways to get the data from one place to the other faster. The first is to squish the data bits tighter together. The second way is to transmit more bits simultaneously. When information is sent across one wire‚ one data bit at a time‚ its called serial. Every computer on the face of the earth has some form of serial communications connector on it‚ whether internally or externally. Most people are familliar
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JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY INSTITUTE OF COMPUTER SCIENCE AND INFORMATION TECHNOLOGY BSc COMPUTER TECHNOLOGY Literature Review On DIGITAL IMAGE CRYPTOSYSTEM WITH ADAPTIVE STEGANOGRAPHY NAME REG NO : JOHN NJENGA : CS 282-0782/2009 SUPERVISORS: DR. OKEYO MR. J WAINAINA 1 DECLARATION I declare that all materials presented here are my own original work‚ or fully and specifically acknowledged wherever adapted from other sources. The work has not been submitted previously
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