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Data Compression And Error Control Techniques With Applications
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Book Synopsis Data Compression and Error Control Techniques with Applications by : Vito Cappellini
Download or read book Data Compression and Error Control Techniques with Applications written by Vito Cappellini and published by . This book was released on 1985 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Compression and Error Control Techniques with Applications by : Vito Cappellini
Download or read book Data Compression and Error Control Techniques with Applications written by Vito Cappellini and published by . This book was released on 1985 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Software Engineer's Reference Book by : John A McDermid
Download or read book Software Engineer's Reference Book written by John A McDermid and published by Elsevier. This book was released on 2013-10-22 with total page 1137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Software Engineer's Reference Book provides the fundamental principles and general approaches, contemporary information, and applications for developing the software of computer systems. The book is comprised of three main parts, an epilogue, and a comprehensive index. The first part covers the theory of computer science and relevant mathematics. Topics under this section include logic, set theory, Turing machines, theory of computation, and computational complexity. Part II is a discussion of software development methods, techniques and technology primarily based around a conventional view of the software life cycle. Topics discussed include methods such as CORE, SSADM, and SREM, and formal methods including VDM and Z. Attention is also given to other technical activities in the life cycle including testing and prototyping. The final part describes the techniques and standards which are relevant in producing particular classes of application. The text will be of great use to software engineers, software project managers, and students of computer science.
Book Synopsis Data Compression Techniques and Applications by : Thomas J. Lynch
Download or read book Data Compression Techniques and Applications written by Thomas J. Lynch and published by Lifetime Learning. This book was released on 1985 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is a growing interest in applying data compression techniques to actual data and communication systems in the commercial, military, and government agency sectors. In each potential application there is a need to learn what compression techniques are available, how they operate, and what the implementation considerations are for each technique. This book provides this information, and serves as a reference for practicing communication engineers, computer scientists, information scientists, and data systems managers. No experience in data compression is necessary to use this book; each compression technique is described separately and fully, and the theoretical background developed so outside references are not needed.
Download or read book Data Compression written by David Salomon and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: From archiving data to CD-ROMs, and from coding theory to image analysis, many facets of computing make use of data compression in one form or another. This is an overview of the many different types of compression, including a taxonomy, an analysis of the most common systems of compression, discussion of their relative benefits and disadvantages, and their most common uses. Readers are presupposed to have a basic understanding of computer science -- essentially the storage of data in bytes and bits and computing terminology -- but otherwise this book is self-contained. It divides neatly into four main parts based on the main branches of data compression: run length encoding, statistical methods, dictionary-based methods, and lossy image compression. All of the most well-known compression techniques are covered including Zip, BinHex, Huffman coding, and GIF.
Book Synopsis Data Compression with Error-control Coding for Space Telemetry by : Thomas J. Lynch
Download or read book Data Compression with Error-control Coding for Space Telemetry written by Thomas J. Lynch and published by . This book was released on 1967 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Data Compression Using Error Correcting Codes by : Javad Haghighat
Download or read book Data Compression Using Error Correcting Codes written by Javad Haghighat and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of error correcting codes for data compression is first investigated by Shannon where he suggests that there is a duality between source coding and channel coding. This duality implies that good channel codes are likely to be good source codes (and vice versa). Recently the problem of source coding using channel codes is receiving increasing attention. The main application of this problem is when data are transmitted over noisy channels. Since standard data compression techniques are not designed for error correction, compressing data and transmitting over noisy channels may cause corruption of the whole compressed sequence. However, instead of employing standard compression techniques, like Huffman coding, one may compress data using error correcting codes that are suitable for both data compression and error correction purposes. Recently, turbo codes, repeat-accumulate codes, low density parity check codes, and fountain codes have been used as lossless source codes and have achieved compression rates very close to the source entropy. When a near-lossless compression is desired, i.e. a small level of distortion is acceptable, the source encoder generates fixed-length codewords and the encoding complexity is low. Theoretically, random codes could achieve near-lossless compression. In literature, this has been proved by presenting a random binning scheme. Practically, all powerful channel codes, e.g. turbo codes, can follow the same procedure as suggested in random binning and achieve compression rates close to the entropy. On the other hand, if a completely lossless compression is required, i.e. if the distortion must be forced to zero, the source encoding is a complicated iterative procedure that generates variable-length codewords to guarantee zero distortion. However, the large complexity of encoding imposes a large delay to the system. The iterative encoding procedure can be regarded as using a nested code where each codeword of a higher-rate code is formed by adding parities to a codeword of some lower-rate code. This iterative encoding is proposed for practical codes, e.g. turbo codes and low density parity check (LDPC) codes, in the literature. In contrast to near-lossless source coding, in the lossless case no random coding theory is available to support achievability of entropy and specify distribution of the compression rate. We have two main contributions in this thesis. Our first contribution is presenting a tree structured random binning scheme to prove that nested random codes asymptotically achieve the entropy. We derive the probability mass function of the compression rate and show how it varies when increasing the block length. We also consider a more practical tree structured random binning scheme, where parities are generated independently and randomly, but they are biased. Our second contribution is to decrease the delay in turbo source coding. We consider turbo codes for data compression and observe that existing schemes achieve low compression rates; but because of large block length and large number of iterations they impose a large delay to the system. To decrease this delay we look at the problem of source coding using short block length turbo codes. We show how to modify different components of the encoder to achieve low compression rates. Specifically we modify the parity interleaver and use rectangular puncturing arrays. We also replace a single turbo code by a library of turbo codes to further decrease the compression rate. Since the scheme is variable-length and also many codes are used, the codeword length along with the code index (index of the turbo code which is used for compression) are transmitted as an overhead. Transmission of this overhead increases the compression rate. We propose a detection method to detect this overhead from the codeword. Therefore, the overhead is no longer transmitted since it is detected from the codeword at the decoder. This detection method will reduce the compression rate for short block length systems but it becomes less attractive for large block length codes.
Book Synopsis Advanced Error Control Techniques for Data Storage Systems by : Erozan M. Kurtas
Download or read book Advanced Error Control Techniques for Data Storage Systems written by Erozan M. Kurtas and published by CRC Press. This book was released on 2018-10-03 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the massive amount of data produced and stored each year, reliable storage and retrieval of information is more crucial than ever. Robust coding and decoding techniques are critical for correcting errors and maintaining data integrity. Comprising chapters thoughtfully selected from the highly popular Coding and Signal Processing for Magnetic Recording Systems, Advanced Error Control Techniques for Data Storage Systems is a finely focused reference to the state-of-the-art error control and modulation techniques used in storage devices. The book begins with an introduction to error control codes, explaining the theory and basic concepts underlying the codes. Building on these concepts, the discussion turns to modulation codes, paying special attention to run-length limited sequences, followed by maximum transition run (MTR) and spectrum shaping codes. It examines the relationship between constrained codes and error control and correction systems from both code-design and architectural perspectives as well as techniques based on convolution codes. With a focus on increasing data density, the book also explores multi-track systems, soft decision decoding, and iteratively decodable codes such as Low-Density Parity-Check (LDPC) Codes, Turbo codes, and Turbo Product Codes. Advanced Error Control Techniques for Data Storage Systems offers a comprehensive collection of theory and techniques that is ideal for specialists working in the field of data storage systems.
Book Synopsis Error Correcting Coding and Security for Data Networks by : Grigorii Kabatiansky
Download or read book Error Correcting Coding and Security for Data Networks written by Grigorii Kabatiansky and published by John Wiley & Sons. This book was released on 2005-10-31 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Error correcting coding is often analyzed in terms of its application to the separate levels within the data network in isolation from each other. In this fresh approach, the authors consider the data network as a superchannel (a multi-layered entity) which allows error correcting coding to be evaluated as it is applied to a number of network layers as a whole. By exposing the problems of applying error correcting coding in data networks, and by discussing coding theory and its applications, this original technique shows how to correct errors in the network through joint coding at different network layers. Discusses the problem of reconciling coding applied to different layers using a superchannel approach Includes thorough coverage of all the key codes: linear block codes, Hamming, BCH and Reed-Solomon codes, LDPC codes decoding, as well as convolutional, turbo and iterative coding Considers new areas of application of error correcting codes such as transport coding, code-based cryptosystems and coding for image compression Demonstrates how to use error correcting coding to control such important data characteristics as mean message delay Provides theoretical explanations backed up by numerous real-world examples and practical recommendations Features a companion website containing additional research results including new constructions of LDPC codes, joint error-control coding and synchronization, Reed-Muller codes and their list decoding By progressing from theory through to practical problem solving, this resource contains invaluable advice for researchers, postgraduate students, engineers and computer scientists interested in data communications and applications of coding theory.
Book Synopsis Data Compression in Digital Systems by : Roy Hoffman
Download or read book Data Compression in Digital Systems written by Roy Hoffman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data compression is now indispensable to products and services of many industries including computers, communications, healthcare, publishing and entertainment. This invaluable resource introduces this area to information system managers and others who need to understand how it is changing the world of digital systems. For those who know the technology well, it reveals what happens when data compression is used in real-world applications and provides guidance for future technology development.
Book Synopsis Data Acquisition Techniques Using PC by : Howard Austerlitz
Download or read book Data Acquisition Techniques Using PC written by Howard Austerlitz and published by Academic Press. This book was released on 2014-06-28 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data Acquisition Techniques Using Personal Computers contains all the information required by a technical professional (engineer, scientist, technician) to implement a PC-based acquisition system. Including both basic tutorial information as well as some advanced topics, this work is suitable as a reference book for engineers or as a supplemental text for engineering students. It gives the reader enough understanding of the topics to implement a data acquisition system based on commercial products. A reader can alternatively learn how to custom build hardware or write his or her own software. Featuring diverse information, this book will be useful to both the technical professional and the hobbyist. Contains tables of reference information on PC/XT/AT computers that are usually not found in a single source Includes hardware information, such as I/O addresses, memory maps, and hardware interrupts Discusses software reference material including BIOS and DOS interrupt calls Presents valuable hardware interface information including timing diagrams, design examples, and descriptions of standard interfaces, such as the RS-232 serial interface
Book Synopsis Handbook of Algorithms for Wireless Networking and Mobile Computing by : Azzedine Boukerche
Download or read book Handbook of Algorithms for Wireless Networking and Mobile Computing written by Azzedine Boukerche and published by CRC Press. This book was released on 2005-11-28 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Algorithms for Wireless Networking and Mobile Computing focuses on several aspects of mobile computing, particularly algorithmic methods and distributed computing with mobile communications capability. It provides the topics that are crucial for building the foundation for the design and construction of future generations of mobile and wireless networks, including cellular, wireless ad hoc, sensor, and ubiquitous networks. Following an analysis of fundamental algorithms and protocols, the book offers a basic overview of wireless technologies and networks. Other topics include issues related to mobility, aspects of QoS provisioning in wireless networks, future applications, and much more.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725573949 Total Pages :26 pages Book Rating :4.5/5 (739 download)
Book Synopsis Communications and Information Research by : National Aeronautics and Space Administration (NASA)
Download or read book Communications and Information Research written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the development of new advanced instruments for remote sensing applications, sensor data will be generated at a rate that not only requires increased onboard processing and storage capability, but imposes demands on the space to ground communication link and ground data management-communication system. Data compression and error control codes provide viable means to alleviate these demands. Two types of data compression have been studied by many researchers in the area of information theory: a lossless technique that guarantees full reconstruction of the data, and a lossy technique which generally gives higher data compaction ratio but incurs some distortion in the reconstructed data. To satisfy the many science disciplines which NASA supports, lossless data compression becomes a primary focus for the technology development. While transmitting the data obtained by any lossless data compression, it is very important to use some error-control code. For a long time, convolutional codes have been widely used in satellite telecommunications. To more efficiently transform the data obtained by the Rice algorithm, it is required to meet the a posteriori probability (APP) for each decoded bit. A relevant algorithm for this purpose has been proposed which minimizes the bit error probability in the decoding linear block and convolutional codes and meets the APP for each decoded bit. However, recent results on iterative decoding of 'Turbo codes', turn conventional wisdom on its head and suggest fundamentally new techniques. During the past several months of this research, the following approaches have been developed: (1) a new lossless data compression algorithm, which is much better than the extended Rice algorithm for various types of sensor data, (2) a new approach to determine the generalized Hamming weights of the algebraic-geometric codes defined by a large class of curves in high-dimensional spaces, (3) some efficient improved geometric Goppa codes for disk memory s...
Download or read book Data Compression written by Gilbert Held and published by . This book was released on 1991 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Report written by and published by . This book was released on 1967 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Telecommunications Engineering: Principles And Practice by : Amoakoh Gyasi-agyei
Download or read book Telecommunications Engineering: Principles And Practice written by Amoakoh Gyasi-agyei and published by World Scientific. This book was released on 2019-06-19 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers basic principles of telecommunications and their applications in the design and analysis of modern networks and systems. Aimed to make telecommunications engineering easily accessible to students, this book contains numerous worked examples, case studies and review questions at the end of each section. Readers of the book can thus easily check their understanding of the topics progressively. To render the book more hands-on, MATLAB® software package is used to explain some of the concepts. Parts of this book are taught in undergraduate curriculum, while the rest is taught in graduate courses.Telecommunications Engineering: Theory and Practice treats both traditional and modern topics, such as blockchain, OFDM, OFDMA, SC-FDMA, LPDC codes, arithmetic coding, polar codes and non-orthogonal multiple access (NOMA).
Book Synopsis Data Management, Analytics and Innovation by : Neha Sharma
Download or read book Data Management, Analytics and Innovation written by Neha Sharma and published by Springer Nature. This book was released on 2020-08-18 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest findings in the areas of data management and smart computing, big data management, artificial intelligence and data analytics, along with advances in network technologies. Gathering peer-reviewed research papers presented at the Fourth International Conference on Data Management, Analytics and Innovation (ICDMAI 2020), held on 17–19 January 2020 at the United Services Institute (USI), New Delhi, India, it addresses cutting-edge topics and discusses challenges and solutions for future development. Featuring original, unpublished contributions by respected experts from around the globe, the book is mainly intended for a professional audience of researchers and practitioners in academia and industry.