Optical Character Recognition Technologies And Algorithms
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Optical Character Recognition Technologies And Algorithms
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-14
Optical Character Recognition Technologies And Algorithms written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-14 with Computers categories.
"Optical Character Recognition Technologies and Algorithms" "Optical Character Recognition Technologies and Algorithms" presents a comprehensive exploration of the principles, methodologies, and advances underpinning OCR systems. The book starts with a thorough historical overview, delineating the progression of OCR technology from its foundational milestones to the sophisticated, context-aware solutions of today. Readers are introduced to the taxonomy of OCR systems, end-to-end workflows, benchmark datasets, and the critical challenges faced in processing multilingual, noisy, and complex textual data. The subsequent chapters delve deeply into every core layer of the OCR pipeline. Detailed discussions address document image acquisition, preprocessing, sophisticated segmentation, and structural analysis techniques required for robust text isolation and extraction. The book covers traditional handcrafted feature engineering as well as cutting-edge deep learning models for feature representation, and thoroughly examines classic and modern recognition algorithms, including template matching, statistical classifiers, HMMs, CNNs, RNNs, and transformer-based architectures. The integration of lexical and statistical language models, postprocessing strategies, and effective adaptation to multilingual and specialized domains are thoroughly addressed, equipping readers with a holistic view of the modern OCR landscape. Furthermore, the text investigates advanced topics such as handwriting recognition, scene text extraction, and robust handling of complex scripts and adversarial attacks. It offers practical guidance on deploying OCR systems at scale, covering modular design, cloud and edge deployments, hardware acceleration, and integration into enterprise environments while ensuring security and privacy. Rich with evaluation protocols, real-world industrial case studies, and insights into emerging trends and open research challenges, this book is an indispensable resource for practitioners, researchers, and engineers aiming to master OCR technologies and drive future innovations.
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.
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.
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 Computers 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.
Encyclopedia Of Computer Science
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Author : Anthony Ralston
language : en
Publisher: Wiley
Release Date : 2003-08-29
Encyclopedia Of Computer Science written by Anthony Ralston and has been published by Wiley this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-08-29 with Computers categories.
The Encyclopedia of Computer Science is the definitive reference in computer science and technology. First published in 1976, it is still the only single volume to cover every major aspect of the field. Now in its Fourth Edition, this influential work provides an historical timeline highlighting the key breakthroughs in computer science and technology, as well as clear and concise explanations of the latest technology and its practical applications. Its unique blend of historical perspective, current knowledge and predicted future trends has earned it its richly deserved reputation as an unrivalled reference classic. What sets the Encyclopedia apart from other reference sources is the comprehensiveness of each of its entries. Encompassing far more than mere definitions, each article elaborates on a topic giving a remarkable breadth and depth of coverage. The visual impact of the volume is enhanced with a 16 page colour insert spotlighting advanced computer applications and computer-generated graphics technology. In addition, the text is enlivened with figures, tables, diagrams, illustrations and photographs. With contributions from over 300 international experts, the 4th Edition contains over 100 completely new articles ranging from artificial life to computer ethics, data mining to Java, mobile computing to quantum computing and software safety to the World Wide Web. In addition, each of the more than 600 articles have been extensively revised, expanded and updated to reflect the latest developments in computer science and technology. Intelligently and thoughtfully organised, all the articles are classified around 9 main themes Hardware Software Computer Systems Information and Data Mathematics of Computing Theory of Computation Methodologies Applications Computing Milieux Within each of these major headings are a wealth of articles that provide the reader with concise yet thorough coverage of the topic. In addition, cross-references are included at the beginning of each article, directing the reader immediately to related material. In addition the Encyclopedia contains useful appendices including: An expanded glossary of major terms in English, German, Spanish and Russian A revised list of abbreviations and acronyms An updated list of computer science and engineering research journals A list of articles from previous editions not included in the 4th edition A Name Index listing almost 3500 individuals cited in the text A comprehensive General Index with 7000 entries A chronology of significant milestones Computer Society & Academic Computer Science Department Listings Numerical Tables, Mathematical Notation and Units of Measure Highly-regarded as an essential resource for computer professionals, engineers, mathematicians, students and scientists, the Encyclopedia of Computer Science is a must-have reference for every college, university, business and high-school library.
Optical Character Recognition Algorithms And Systems
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-15
Optical Character Recognition Algorithms And Systems written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-15 with Computers categories.
"Optical Character Recognition Algorithms and Systems" Designed for researchers, engineers, and advanced practitioners, "Optical Character Recognition Algorithms and Systems" offers a comprehensive exploration of the theory, algorithms, and architectures underpinning modern OCR technology. The book begins by grounding the reader in the mathematical formalism and theoretical foundations essential for understanding character recognition, tracing the historical evolution from early optical readers to artificial intelligence-powered systems. It presents a thorough taxonomy of OCR engines and delineates the rigorous benchmarking protocols required to assess advancement in this field. Covering the entire OCR pipeline, the text delves deeply into document image acquisition, preprocessing, and segmentation—addressing challenges posed by varied input devices, physical and digital noise, and complex page layouts. Subsequent chapters explore sophisticated feature extraction techniques, from classical handcrafted features to state-of-the-art deep learning representations, and provide an authoritative treatment of recognition models, including statistical classifiers, kernel methods, and advanced neural architectures such as attention mechanisms and transformers. The book pays particular attention to multilingual and handwritten text recognition, describing domain-specific algorithms, script detection strategies, and the unique obstacles presented by cursive and overlapping characters. Rounding out its approach, the book analyzes essential postprocessing techniques—including error correction, language modeling, and active learning—as well as practical considerations for deploying OCR at scale. Readers will find in-depth discussions on modular and real-time architectures, integration with enterprise workflows, and security and privacy in distributed systems. The concluding chapters highlight the latest advancements, from scene and video text recognition to augmented reality applications, and outline open research challenges, making this volume an indispensable reference for anyone advancing the state of document analysis and recognition.
Computational Algorithms For Fingerprint Recognition
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Author : Bir Bhanu
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Computational Algorithms For Fingerprint Recognition written by Bir Bhanu 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.
Biometrics such as fingerprint, face, gait, iris, voice and signature, recognizes one's identity using his/her physiological or behavioral characteristics. Among these biometric signs, fingerprint has been researched the longest period of time, and shows the most promising future in real-world applications. However, because of the complex distortions among the different impressions of the same finger, fingerprint recognition is still a challenging problem. Computational Algorithms for Fingerprint Recognition presents an entire range of novel computational algorithms for fingerprint recognition. These include feature extraction, indexing, matching, classification, and performance prediction/validation methods, which have been compared with state-of-art algorithms and found to be effective and efficient on real-world data. All the algorithms have been evaluated on NIST-4 database from National Institute of Standards and Technology (NIST). Specific algorithms addressed include: -Learned template based minutiae extraction algorithm, -Triplets of minutiae based fingerprint indexing algorithm, -Genetic algorithm based fingerprint matching algorithm, -Genetic programming based feature learning algorithm for fingerprint classification, -Comparison of classification and indexing based approaches for identification, -Fundamental fingerprint matching performance prediction analysis and its validation. Computational Algorithms for Fingerprint Recognition is designed for a professional audience composed of researchers and practitioners in industry. This book is also suitable as a secondary text for graduate-level students in computer science and engineering.
Intelligent Systems Technologies And Applications
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Author : Sabu M. Thampi
language : en
Publisher: Springer Nature
Release Date : 2020-05-05
Intelligent Systems Technologies And Applications written by Sabu M. Thampi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-05 with Technology & Engineering categories.
This book explores and discusses various aspects of intelligent systems technologies and their applications. Presenting the refereed post-conference proceedings of the 5th International Symposium on Intelligent Systems Technologies and Applications (ISTA 2019), held at the Indian Institute of Information Technology and Management-Kerala (IIITM-K), Trivandrum, India, on December 18–21, 2019, it covers a variety of topics, such as knowledge discovery, data mining, pattern recognition, signal processing, intelligent image processing, artificial vision, ad hoc and wireless sensor networks, business intelligence and big data analytics.
Pattern Recognition Technologies And Applications Recent Advances
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Author : Verma, Brijesh
language : en
Publisher: IGI Global
Release Date : 2008-06-30
Pattern Recognition Technologies And Applications Recent Advances written by Verma, Brijesh and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-30 with Computers categories.
The nature of handwriting in our society has significantly altered over the ages due to the introduction of new technologies such as computers and the World Wide Web. With increases in the amount of signature verification needs, state of the art internet and paper-based automated recognition methods are necessary. Pattern Recognition Technologies and Applications: Recent Advances provides cutting-edge pattern recognition techniques and applications. Written by world-renowned experts in their field, this easy to understand book is a must have for those seeking explanation in topics such as on- and offline handwriting and speech recognition, signature verification, and gender classification.
Publications Of The National Institute Of Standards And Technology Catalog
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Author : National Institute of Standards and Technology (U.S.)
language : en
Publisher:
Release Date : 1994
Publications Of The National Institute Of Standards And Technology Catalog written by National Institute of Standards and Technology (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.