Coding And Detection For 2 Dimensional Channels

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Coding and Detection for 2-dimensional Channels

Author : İsmail Demirkan
Publisher :
ISBN 13 :
Total Pages : 165 pages
Book Rating : 4.:/5 (713 download)

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Book Synopsis Coding and Detection for 2-dimensional Channels by : İsmail Demirkan

Download or read book Coding and Detection for 2-dimensional Channels written by İsmail Demirkan and published by . This book was released on 2006 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coding and detection techniques for one-dimensional (1-D) intersymbol interference (ISI) channels, particularly magnetic and optical recording channels, have been studied extensively for almost three decades. On the modulation coding side, the state-splitting algorithm has been developed to design efficient systematic modulation codes. On the detection side, Viterbi detector and decision-feedback equalization (DFE) have been well-understood. Two-dimensional (2-D) holographic data storage, has been developed to store the information page-wise instead of on 1-D tracks. This will signifficantly increase the storage density and read/write access of the information. However, most of the modulation coding and detection techniques for 1-D recording systems are unusable for 2-D holographic data storage. In this work, we present various methods for modelling and equalizing 2-D ISI channels. Some low complexity detectors, such as a threshold detector, have been proposed for certain 2-D ISI channels. One of the main problems of the holographic data storage is the misalignment between written and sampled data pages. This problem is addressed by using more detector pixels than data points, which is called oversampling. We also attempted to characterize the distance properties of certain 2-D ISI channels. An algorithm for finding error events is developed for any 2-D ISI channel. Unlike the 1-D constrained systems, the capacity of most 2-D constrained systems is not analytically known due to the lack of graph-based descriptions of such channels. This also complicates the design of efficient modulation codes. We propose algorithms for finding single-state and finite-state block codes for the hard-square constraint. The encoding and decoding of the modulation codes can be performed easily using codeword generating templates. We also propose an algorithm for finding single-state block codes for any 2-D constrained system represented by a set of forbidden patterns. For 1-D recording, we designed block codes satisfying the running digital sum (RDS) and time-varying maximum transition run (TMTR) constraints for perpendicular recording channels. The graphs of these constraints are combined to understand the design trade-off between the achievable coding rate and constraint parameters. The spectra of the combined constraints shows the properties of the constituent constraints. The modulations codes are designed by searching for all codewords satisfying certain constraint properties.

Detection and Modeling of 2-dimensional Signals

Author : Marcus Marrow
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Detection and Modeling of 2-dimensional Signals by : Marcus Marrow

Download or read book Detection and Modeling of 2-dimensional Signals written by Marcus Marrow and published by . This book was released on 2004 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coding and Iterative Detection for Magnetic Recording Channels

Author : Zining Wu
Publisher : Springer Science & Business Media
ISBN 13 : 146154565X
Total Pages : 165 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Coding and Iterative Detection for Magnetic Recording Channels by : Zining Wu

Download or read book Coding and Iterative Detection for Magnetic Recording Channels written by Zining Wu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of the internet age has produced enormous demand for in creased storage capacity and for the consequent increases in the amount of information that can be stored in a small space. While physical and media improvements have driven the majority of improvement in modern storage systems, signal processing and coding methods have increasing ly been used to augment those improvements. Run-length-limited codes and partial-response detection methods have come to be the norm in an industry that once rejected any sophistication in the read or write pro cessing circuits. VLSI advances now enable increasingly sophisticated signal processing methods for negligible cost and complexity, a trend sure to continue even as disk access speeds progress to billions of bits per second and terabits per square inch in the new millennium of the in formation age. This new book representing the Ph. D. dissertation work of Stanford's recent graduate Dr. Zining Wu is an up-to-date and fo cused review of the area that should be of value to those just starting in this area and as well those with considerable expertise. The use of saturation recording, i. e. the mandated restriction of two-level inputs, creates interesting twists on the use of communica tion/transmission methods in recording.

Sequence Detection for High-Density Storage Channels

Author : Jaekyun Moon
Publisher : Springer Science & Business Media
ISBN 13 : 1461535646
Total Pages : 170 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Sequence Detection for High-Density Storage Channels by : Jaekyun Moon

Download or read book Sequence Detection for High-Density Storage Channels written by Jaekyun Moon and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic data storage can be viewed as a data communication system. This is not a sUlprising view, considering that data storage is essentially the transfer of data between different times. The past decade has indeed seen rapidly growing interest in applying improved coding and detection techniques to magnetic data storage, a traditional approach to enhance performance of communication channels. Since its inception in the 1930's, the magnetic recording industry has achieved impressive progress in data capacity. This has been made possible mainly by innovations and advances in heads and media design. However, as the demand for higher storage capacity continues in the modem information era, a need arises to explore other possibilities to help meet the ever-growing demand. Advanced coding and detection are one such possibility, providing an efficient, cost-effective means to increase data capacity. In fact, with the advent of modem Ie technology which has enabled real-time implementation of increasingly complex signal processing algorithms, advanced coding and detection are rapidly becoming a major issue in the development of improved data storage products. While there have been remarkable advances in recent years in the areas of both coding and detection for data storage, this book focuses only on data detection, or the processing of readback waveforms to reproduce stored data, in conjunction with the traditional modulation coding method called run length-limited or (d,k) coding.

Author :
Publisher : Arihant Publications India limited
ISBN 13 : 9326194965
Total Pages : 1199 pages
Book Rating : 4.3/5 (261 download)

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Book Synopsis by :

Download or read book written by and published by Arihant Publications India limited. This book was released on with total page 1199 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coding and Iterative Detection for Magnetic Recording Channels

Author : Zining Wu
Publisher : Springer Science & Business Media
ISBN 13 : 9780792377177
Total Pages : 182 pages
Book Rating : 4.3/5 (771 download)

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Book Synopsis Coding and Iterative Detection for Magnetic Recording Channels by : Zining Wu

Download or read book Coding and Iterative Detection for Magnetic Recording Channels written by Zining Wu and published by Springer Science & Business Media. This book was released on 2000-01-31 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of the internet age has produced enormous demand for in creased storage capacity and for the consequent increases in the amount of information that can be stored in a small space. While physical and media improvements have driven the majority of improvement in modern storage systems, signal processing and coding methods have increasing ly been used to augment those improvements. Run-length-limited codes and partial-response detection methods have come to be the norm in an industry that once rejected any sophistication in the read or write pro cessing circuits. VLSI advances now enable increasingly sophisticated signal processing methods for negligible cost and complexity, a trend sure to continue even as disk access speeds progress to billions of bits per second and terabits per square inch in the new millennium of the in formation age. This new book representing the Ph. D. dissertation work of Stanford's recent graduate Dr. Zining Wu is an up-to-date and fo cused review of the area that should be of value to those just starting in this area and as well those with considerable expertise. The use of saturation recording, i. e. the mandated restriction of two-level inputs, creates interesting twists on the use of communica tion/transmission methods in recording.

Image Restoration

Author : Aymeric Histace
Publisher : BoD – Books on Demand
ISBN 13 : 9535103881
Total Pages : 386 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Image Restoration by : Aymeric Histace

Download or read book Image Restoration written by Aymeric Histace and published by BoD – Books on Demand. This book was released on 2012-04-04 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book represents a sample of recent contributions of researchers all around the world in the field of image restoration. The book consists of 15 chapters organized in three main sections (Theory, Applications, Interdisciplinarity). Topics cover some different aspects of the theory of image restoration, but this book is also an occasion to highlight some new topics of research related to the emergence of some original imaging devices. From this arise some real challenging problems related to image reconstruction/restoration that open the way to some new fundamental scientific questions closely related with the world we interact with.

Summaries of Papers Presented at the Optical Data Storage Topical Meeting

Author :
Publisher :
ISBN 13 :
Total Pages : 484 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Summaries of Papers Presented at the Optical Data Storage Topical Meeting by :

Download or read book Summaries of Papers Presented at the Optical Data Storage Topical Meeting written by and published by . This book was released on 2006 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 290 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt:

LEARN FROM SCRATCH SIGNAL AND IMAGE PROCESSING WITH PYTHON GUI

Author : Vivian Siahaan
Publisher : BALIGE PUBLISHING
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4./5 ( download)

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Book Synopsis LEARN FROM SCRATCH SIGNAL AND IMAGE PROCESSING WITH PYTHON GUI by : Vivian Siahaan

Download or read book LEARN FROM SCRATCH SIGNAL AND IMAGE PROCESSING WITH PYTHON GUI written by Vivian Siahaan and published by BALIGE PUBLISHING. This book was released on 2023-06-14 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, you will learn how to use OpenCV, NumPy library and other libraries to perform signal processing, image processing, object detection, and feature extraction with Python GUI (PyQt). You will learn how to filter signals, detect edges and segments, and denoise images with PyQt. You will also learn how to detect objects (face, eye, and mouth) using Haar Cascades and how to detect features on images using Harris Corner Detection, Shi-Tomasi Corner Detector, Scale-Invariant Feature Transform (SIFT), and Features from Accelerated Segment Test (FAST). In Chapter 1, you will learn: Tutorial Steps To Create A Simple GUI Application, Tutorial Steps to Use Radio Button, Tutorial Steps to Group Radio Buttons, Tutorial Steps to Use CheckBox Widget, Tutorial Steps to Use Two CheckBox Groups, Tutorial Steps to Understand Signals and Slots, Tutorial Steps to Convert Data Types, Tutorial Steps to Use Spin Box Widget, Tutorial Steps to Use ScrollBar and Slider, Tutorial Steps to Use List Widget, Tutorial Steps to Select Multiple List Items in One List Widget and Display It in Another List Widget, Tutorial Steps to Insert Item into List Widget, Tutorial Steps to Use Operations on Widget List, Tutorial Steps to Use Combo Box, Tutorial Steps to Use Calendar Widget and Date Edit, and Tutorial Steps to Use Table Widget. In Chapter 2, you will learn: Tutorial Steps To Create A Simple Line Graph, Tutorial Steps To Create A Simple Line Graph in Python GUI, Tutorial Steps To Create A Simple Line Graph in Python GUI: Part 2, Tutorial Steps To Create Two or More Graphs in the Same Axis, Tutorial Steps To Create Two Axes in One Canvas, Tutorial Steps To Use Two Widgets, Tutorial Steps To Use Two Widgets, Each of Which Has Two Axes, Tutorial Steps To Use Axes With Certain Opacity Levels, Tutorial Steps To Choose Line Color From Combo Box, Tutorial Steps To Calculate Fast Fourier Transform, Tutorial Steps To Create GUI For FFT, Tutorial Steps To Create GUI For FFT With Some Other Input Signals, Tutorial Steps To Create GUI For Noisy Signal, Tutorial Steps To Create GUI For Noisy Signal Filtering, and Tutorial Steps To Create GUI For Wav Signal Filtering. In Chapter 3, you will learn: Tutorial Steps To Convert RGB Image Into Grayscale, Tutorial Steps To Convert RGB Image Into YUV Image, Tutorial Steps To Convert RGB Image Into HSV Image, Tutorial Steps To Filter Image, Tutorial Steps To Display Image Histogram, Tutorial Steps To Display Filtered Image Histogram, Tutorial Steps To Filter Image With CheckBoxes, Tutorial Steps To Implement Image Thresholding, and Tutorial Steps To Implement Adaptive Image Thresholding. In Chapter 4, you will learn: Tutorial Steps To Generate And Display Noisy Image, Tutorial Steps To Implement Edge Detection On Image, Tutorial Steps To Implement Image Segmentation Using Multiple Thresholding and K-Means Algorithm, and Tutorial Steps To Implement Image Denoising. In Chapter 5, you will learn: Tutorial Steps To Detect Face, Eye, and Mouth Using Haar Cascades, Tutorial Steps To Detect Face Using Haar Cascades with PyQt, Tutorial Steps To Detect Eye, and Mouth Using Haar Cascades with PyQt, and Tutorial Steps To Extract Detected Objects. In Chapter 6, you will learn: Tutorial Steps To Detect Image Features Using Harris Corner Detection, Tutorial Steps To Detect Image Features Using Shi-Tomasi Corner Detection, Tutorial Steps To Detect Features Using Scale-Invariant Feature Transform (SIFT), and Tutorial Steps To Detect Features Using Features from Accelerated Segment Test (FAST). You can download the XML files from https://viviansiahaan.blogspot.com/2023/06/learn-from-scratch-signal-and-image.html.

Principles of Mobile Communication

Author : Gordon L. Stüber
Publisher : Springer Science & Business Media
ISBN 13 : 0306473151
Total Pages : 762 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Principles of Mobile Communication by : Gordon L. Stüber

Download or read book Principles of Mobile Communication written by Gordon L. Stüber and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative treatment of the fundamentals of mobile communications stresses the "fundamentals" of wireless and mobile communications engineering important for the design of "any" wireless system. The book differs from others in the field by stressing mathematical modelling and analysis.

Joint Source Channel Coding Using Arithmetic Codes

Author : Bi Dongsheng
Publisher : Springer Nature
ISBN 13 : 3031016750
Total Pages : 69 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Joint Source Channel Coding Using Arithmetic Codes by : Bi Dongsheng

Download or read book Joint Source Channel Coding Using Arithmetic Codes written by Bi Dongsheng and published by Springer Nature. This book was released on 2022-06-01 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on the encoding process, arithmetic codes can be viewed as tree codes and current proposals for decoding arithmetic codes with forbidden symbols belong to sequential decoding algorithms and their variants. In this monograph, we propose a new way of looking at arithmetic codes with forbidden symbols. If a limit is imposed on the maximum value of a key parameter in the encoder, this modified arithmetic encoder can also be modeled as a finite state machine and the code generated can be treated as a variable-length trellis code. The number of states used can be reduced and techniques used for decoding convolutional codes, such as the list Viterbi decoding algorithm, can be applied directly on the trellis. The finite state machine interpretation can be easily migrated to Markov source case. We can encode Markov sources without considering the conditional probabilities, while using the list Viterbi decoding algorithm which utilizes the conditional probabilities. We can also use context-based arithmetic coding to exploit the conditional probabilities of the Markov source and apply a finite state machine interpretation to this problem. The finite state machine interpretation also allows us to more systematically understand arithmetic codes with forbidden symbols. It allows us to find the partial distance spectrum of arithmetic codes with forbidden symbols. We also propose arithmetic codes with memories which use high memory but low implementation precision arithmetic codes. The low implementation precision results in a state machine with less complexity. The introduced input memories allow us to switch the probability functions used for arithmetic coding. Combining these two methods give us a huge parameter space of the arithmetic codes with forbidden symbols. Hence we can choose codes with better distance properties while maintaining the encoding efficiency and decoding complexity. A construction and search method is proposed and simulation results show that we can achieve a similar performance as turbo codes when we apply this approach to rate 2/3 arithmetic codes. Table of Contents: Introduction / Arithmetic Codes / Arithmetic Codes with Forbidden Symbols / Distance Property and Code Construction / Conclusion

Codes for Error Detection

Author : Torleiv Kl?ve
Publisher : World Scientific
ISBN 13 : 9812705864
Total Pages : 214 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Codes for Error Detection by : Torleiv Kl?ve

Download or read book Codes for Error Detection written by Torleiv Kl?ve and published by World Scientific. This book was released on 2007 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are two basic methods of error control for communication, both involving coding of the messages. With forward error correction, the codes are used to detect and correct errors. In a repeat request system, the codes are used to detect errors and, if there are errors, request a retransmission. Error detection is usually much simpler to implement than error correction and is widely used. However, it is given a very cursory treatment in almost all textbooks on coding theory. Only a few older books are devoted to error detecting codes. This book begins with a short introduction to the theory of block codes with emphasis on the parts important for error detection. The weight distribution is particularly important for this application and is treated in more detail than in most books on error correction. A detailed account of the known results on the probability of undetected error on the q-ary symmetric channel is also given.

Coding Theory

Author : Sudhakar Radhakrishnan
Publisher : BoD – Books on Demand
ISBN 13 : 1789844428
Total Pages : 228 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Coding Theory by : Sudhakar Radhakrishnan

Download or read book Coding Theory written by Sudhakar Radhakrishnan and published by BoD – Books on Demand. This book was released on 2020-03-11 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended to attract the attention of practitioners and researchers in academia and industry interested in challenging paradigms of coding theory and computer vision. The chapters in this comprehensive reference explore the latest developments, methods, approaches, and applications of coding theory in a wide variety of fields and endeavours. This book is compiled with a view to provide researchers, academicians, and readers with an in-depth discussion of the latest advances in this field. It consists of twelve chapters from academicians, practitioners, and researchers from different disciplines of life. All the chapters are authored by various researchers around the world covering the field of coding theory and image and video processing. This book mainly focusses on researchers who can do quality research in the area of coding theory and image and video processing and related fields. Each chapter is an independent research study, which will motivate young researchers to think about. These twelve chapters are presented in three sections and will be an eye-opener for all who systematic researchers in these fields.

Near-Capacity Multi-Functional MIMO Systems

Author : Lajos Hanzo
Publisher : John Wiley & Sons
ISBN 13 : 9780470744703
Total Pages : 738 pages
Book Rating : 4.7/5 (447 download)

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Book Synopsis Near-Capacity Multi-Functional MIMO Systems by : Lajos Hanzo

Download or read book Near-Capacity Multi-Functional MIMO Systems written by Lajos Hanzo and published by John Wiley & Sons. This book was released on 2009-05-11 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing an all-encompassing self-contained treatment of Near-Capacity Multi-Functional MIMO Systems , the book starts by categorizing the family of Multiple-Input Multiple-Output (MIMO) schemes as diversity techniques, multiplexing schemes, multiple access arrangements and beam-forming techniques. Sophisticated coherent and low-complexity non-coherent MIMO receivers dispensing with channel estimation are considered in both classic and cooperation-aided scenarios. It is demonstrated that in the presence of correlated shadow-fading, cooperation-assisted systems may be expected to outperform their non-cooperative counterparts. The book contains a 100-page chapter on the unified treatment of all block codes in the context of high-flexibility, cutting-edge irregular Linear Dispersion Codes (LDC), which approach the MIMO-capacity. The majority of the book’s solutions are in the optimum sphere-packing frame-work. Sophisticated amalgam of five year’s near-capacity MIMO research Detailed examination of wireless landscape, including the fields of channel coding, spacetime coding and turbo detection techniques Novel tool of Extrinsic Information Transfer Charts (EXIT) used to address recent developments Material presented logically, allowing advanced readers to turn directly to any specific chapter of interest One of the only books to cover these subjects, giving equal weighting to each

Pragmatic Sequence Detection for Storage Channels

Author : Jaekyun Moon
Publisher :
ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Pragmatic Sequence Detection for Storage Channels by : Jaekyun Moon

Download or read book Pragmatic Sequence Detection for Storage Channels written by Jaekyun Moon and published by . This book was released on 1990 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals in Information Theory and Coding

Author : Monica Borda
Publisher : Springer Science & Business Media
ISBN 13 : 3642203477
Total Pages : 504 pages
Book Rating : 4.6/5 (422 download)

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Book Synopsis Fundamentals in Information Theory and Coding by : Monica Borda

Download or read book Fundamentals in Information Theory and Coding written by Monica Borda and published by Springer Science & Business Media. This book was released on 2011-05-27 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: The work introduces the fundamentals concerning the measure of discrete information, the modeling of discrete sources without and with a memory, as well as of channels and coding. The understanding of the theoretical matter is supported by many examples. One particular emphasis is put on the explanation of Genomic Coding. Many examples throughout the book are chosen from this particular area and several parts of the book are devoted to this exciting implication of coding.