Optical Character Recognition
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Optical Character Recognition
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Author : Shunji Mori
language : en
Publisher: Wiley-Interscience
Release Date : 1999-04-13
Optical Character Recognition written by Shunji Mori and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-04-13 with Technology & Engineering categories.
As optical character recognition (OCR) begins to find applicationsranging from store checkout scanners to money-changing machines andpostal system automation, it has become one of the most dynamicareas in information science today. Yet few volumes explore thisdata-oriented process without relying heavily on mathematicalbackground reading. Now, Shunji Mori, Hirobumi Nishida, and Hiromitsu Yamada, among thefield's most respected researchers since its inception, presentthis self-contained, clearly written guidebook to OCR--the firstcomprehensive treatment of the preprocessing, feature-extraction,and systematic description-matching stages of the OCR process.Including a wealth of original research material available here forthe first time, this book is both an ideal professional referencesource and an excellent entry point for course work in thesubject. Key features of Optical Character Recognition: * Theoretical framework based on functional analysis--notpreviously available in a detailed, English-language version * Extensive explanation of preprocessing theory, including blurringand sampling, normalization, thinning, and binary and gray-scalemorphology * Intensive section on feature extraction, exploring linearmethods, structure analysis, and algebraic description * Original work on systematic shape description as a prerequisiteto matching * Original material on elastic matching, including imagerecognition of characters and objects * Requires only the standard undergraduate requisites of algebra,linear algebra, and advanced calculus
Optical Character Recognition
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Author : Stephen V. Rice
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Optical Character Recognition written by Stephen V. Rice and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Optical character recognition (OCR) is the most prominent and successful example of pattern recognition to date. There are thousands of research papers and dozens of OCR products. Optical Character Rcognition: An Illustrated Guide to the Frontier offers a perspective on the performance of current OCR systems by illustrating and explaining actual OCR errors. The pictures and analysis provide insight into the strengths and weaknesses of current OCR systems, and a road map to future progress. Optical Character Recognition: An Illustrated Guide to the Frontier will pique the interest of users and developers of OCR products and desktop scanners, as well as teachers and students of pattern recognition, artificial intelligence, and information retrieval. The first chapter compares the character recognition abilities of humans and computers. The next four chapters present 280 illustrated examples of recognition errors, in a taxonomy consisting of Imaging Defects, Similar Symbols, Punctuation, and Typography. These examples were drawn from large-scale tests conducted by the authors. The final chapter discusses possible approaches for improving the accuracy of today's systems, and is followed by an annotated bibliography. Optical Character Recognition: An Illustrated Guide to the Frontier is suitable as a secondary text for a graduate level course on pattern recognition, artificial intelligence, and information retrieval, and as a reference for researchers and practitioners in industry.
Character Recognition Systems
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Author : Mohamed Cheriet
language : en
Publisher: John Wiley & Sons
Release Date : 2007-11-27
Character Recognition Systems written by Mohamed Cheriet and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-11-27 with Technology & Engineering categories.
"Much of pattern recognition theory and practice, including methods such as Support Vector Machines, has emerged in an attempt to solve the character recognition problem. This book is written by very well-known academics who have worked in the field for many years and have made significant and lasting contributions. The book will no doubt be of value to students and practitioners." -Sargur N. Srihari, SUNY Distinguished Professor, Department of Computer Science and Engineering, and Director, Center of Excellence for Document Analysis and Recognition (CEDAR), University at Buffalo, The State University of New York "The disciplines of optical character recognition and document image analysis have a history of more than forty years. In the last decade, the importance and popularity of these areas have grown enormously. Surprisingly, however, the field is not well covered by any textbook. This book has been written by prominent leaders in the field. It includes all important topics in optical character recognition and document analysis, and is written in a very coherent and comprehensive style. This book satisfies an urgent need. It is a volume the community has been awaiting for a long time, and I can enthusiastically recommend it to everybody working in the area." -Horst Bunke, Professor, Institute of Computer Science and Applied Mathematics (IAM), University of Bern, Switzerland In Character Recognition Systems, the authors provide practitioners and students with the fundamental principles and state-of-the-art computational methods of reading printed texts and handwritten materials. The information presented is analogous to the stages of a computer recognition system, helping readers master the theory and latest methodologies used in character recognition in a meaningful way. This book covers: * Perspectives on the history, applications, and evolution of Optical Character Recognition (OCR) * The most widely used pre-processing techniques, as well as methods for extracting character contours and skeletons * Evaluating extracted features, both structural and statistical * Modern classification methods that are successful in character recognition, including statistical methods, Artificial Neural Networks (ANN), Support Vector Machines (SVM), structural methods, and multi-classifier methods * An overview of word and string recognition methods and techniques * Case studies that illustrate practical applications, with descriptions of the methods and theories behind the experimental results Each chapter contains major steps and tricks to handle the tasks described at-hand. Researchers and graduate students in computer science and engineering will find this book useful for designing a concrete system in OCR technology, while practitioners will rely on it as a valuable resource for the latest advances and modern technologies that aren't covered elsewhere in a single book.
Optical Character Recognition Systems For Different Languages With Soft Computing
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Author : Arindam Chaudhuri
language : en
Publisher: Springer
Release Date : 2016-12-23
Optical Character Recognition Systems For Different Languages With Soft Computing written by Arindam Chaudhuri and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-23 with Technology & Engineering categories.
The book offers a comprehensive survey of soft-computing models for optical character recognition systems. The various techniques, including fuzzy and rough sets, artificial neural networks and genetic algorithms, are tested using real texts written in different languages, such as English, French, German, Latin, Hindi and Gujrati, which have been extracted by publicly available datasets. The simulation studies, which are reported in details here, show that soft-computing based modeling of OCR systems performs consistently better than traditional models. Mainly intended as state-of-the-art survey for postgraduates and researchers in pattern recognition, optical character recognition and soft computing, this book will be useful for professionals in computer vision and image processing alike, dealing with different issues related to optical character recognition.
The History Of Ocr Optical Character Recognition
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Author : Herbert F. Schantz
language : en
Publisher:
Release Date : 1982
The History Of Ocr Optical Character Recognition written by Herbert F. Schantz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Optical character recognition devices categories.
Optical Character Recognition
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Author : Fouad Sabry
language : en
Publisher: One Billion Knowledgeable
Release Date : 2023-07-06
Optical Character Recognition written by Fouad Sabry and has been published by One Billion Knowledgeable this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-06 with Computers categories.
What Is Optical Character Recognition OCR, also known as optical character recognition, is the process of electronically or mechanically converting images of typed, handwritten, or printed text into machine-encoded text. This can be done from a scanned document, a photo of a document, a scene photo, or from subtitle text that is superimposed on an image. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Optical character recognition Chapter 2: Typeface Chapter 3: Handwriting recognition Chapter 4: Image scanner Chapter 5: Optical mark recognition Chapter 6: Computer font Chapter 7: Intelligent character recognition Chapter 8: Tesseract (software) Chapter 9: Comparison of optical character recognition software Chapter 10: OCR Systems (II) Answering the public top questions about optical character recognition. (III) Real world examples for the usage of optical character recognition in many fields. (IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of optical character recognition' technologies. Who This Book Is For Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of optical character recognition.
Handbook Of Character Recognition And Document Image Analysis
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Author : Horst Bunke
language : en
Publisher: World Scientific
Release Date : 1997
Handbook Of Character Recognition And Document Image Analysis written by Horst Bunke and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Computers categories.
Optical character recognition and document image analysis have become very important areas with a fast growing number of researchers in the field. This comprehensive handbook with contributions by eminent experts, presents both the theoretical and practical aspects at an introductory level wherever possible.
Optical Character Recognition
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Author :
language : en
Publisher:
Release Date : 1975
Optical Character Recognition written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.
Optical Character Recognition
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Author : Harold C. Ogg
language : en
Publisher: Westport, CT : Meckler
Release Date : 1992
Optical Character Recognition written by Harold C. Ogg and has been published by Westport, CT : Meckler this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Computers categories.
Optical Character Recognition
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Author : John W. T. Smith
language : en
Publisher: Boston Spa, Wetherby, West Yorkshire : British Library ; Dover, N.H., USA : In the USA and Canada distributed by Longwood Publishing Group
Release Date : 1985
Optical Character Recognition written by John W. T. Smith and has been published by Boston Spa, Wetherby, West Yorkshire : British Library ; Dover, N.H., USA : In the USA and Canada distributed by Longwood Publishing Group this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Information services categories.
Library science research report on optical character recognition electronic equipment (information technology) in the UK - considers the results of a survey of special librarys and information centres with regard to attitudes of information users and non-users towards OCR; presents case studies of OCR applications in two research centres, a chemical industrial enterprise and a county library. Diagrams, glossary, references, statistical tables.