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Off Line Signature Verification Using Novel Feature Extraction Techniques And Trajectory Recovery
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Book Synopsis Off-line Signature Verification Using Novel Feature Extraction Techniques and Trajectory Recovery by : Vu Minh Nguyen
Download or read book Off-line Signature Verification Using Novel Feature Extraction Techniques and Trajectory Recovery written by Vu Minh Nguyen and published by . This book was released on 2012 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract : Feature extraction is an important process in automatic off-line signature verification systems. In this process, only the information that helps to identify the authenticity of questioned signatures is extracted and retained. Amongst the numerous feature extraction techniques investigated by researchers, grid segmentation schemes have been employed more favourably due to their encouraging results. The research presented in this dissertation focuses on improving the performance of Support Vector Machines (SVMs) based off-line signature verification systems using novel feature extraction techniques. The research began with an in-depth investigation and comparative performance analysis of the Modified Direction Feature (MDF), a structural feature extraction technique. Since the MDF is known for its relatively high accuracies in the cursive character recognition problem, it has been suggested that the performance of the MDF would be as encouraging in verifying Western (English) signatures due to the "cursive appearance" of the signatures. The other features employed for comparative studies were the two grid-based features proposed by Francesco Camastra and Wakabayashi et al. (Gradient feature). The former feature captures the information about the distribution of the foreground pixels in each grid cell whilst the latter utilises the directional information available. The comparisons of these state-of-the-art techniques set the foundation for the development of the novel feature extraction techniques proposed. In total, three novel local features and four global features were proposed and investigated. The local features include Gaussian Grid, Curvature Map, Variance and the local features are New Ratio, Energy, Trajectory Length, Moment. Amongst the local features proposed, the Gaussian Grid feature significantly outperformed all the state-of-the-art features mentioned above. Nevertheless, the combination of another particularly small-dimensional local feature, the Variance feature, with the global features also outperformed the MDF and the Camastra features, and closely approximates the performance of the Gradient feature. The total dimension of this feature set was only 33 compared to 120 of the MDF. This finding emphasizes the capability of small-dimensional global features.
Book Synopsis Signature verification based on a feature extraction technique by : Saba Mushtaq
Download or read book Signature verification based on a feature extraction technique written by Saba Mushtaq and published by GRIN Verlag. This book was released on 2017-10-05 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2012 in the subject Technology, grade: 10, , language: English, abstract: In this research we evaluate the use of GLRLM features in offline handwritten signature verification. For each known writer we take a sample of fifteen genuine signatures and extract their GLRLM descriptors. We also used some forged signatures to test the efficiency of our system. We calculate the simple statistical measures and also inter- and intra-class Euclidean distances (measure of variability within the same author) among GLRLM descriptors of the known signatures. The key points Euclidean distances, the image distances and the intra class thresholds are stored as templates. We evaluate use of various intra-class distance thresholds like the mean, standard deviation and range. For each signature claimed to be of the known writers, we extract its GLRLM descriptors and calculate the inter-class distances, that is the Euclidean distances between each of its GLRLM descriptors and those of the known template and image distances between the test signature and members of the genuine sample. The intra-class threshold is compared to the inter-class threshold for the claimed signature to be considered a forgery. A database of 525 genuine signatures and 30 forged signatures consisting of a training set and a test set are used.
Book Synopsis Offline Signature Verification Based on Improved Extracted Features Using Neural Network by : Karrar Neamah Hussein
Download or read book Offline Signature Verification Based on Improved Extracted Features Using Neural Network written by Karrar Neamah Hussein and published by . This book was released on 2014 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Offline Handwritten Signature Verification Using Radial Basis Function Neural Networks by :
Download or read book Offline Handwritten Signature Verification Using Radial Basis Function Neural Networks written by and published by George Azzopardi. This book was released on with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On Feature Extraction Using Gabor Filter and Feature Relation Graph for Offline Signature Verification by : Saeed Jamali
Download or read book On Feature Extraction Using Gabor Filter and Feature Relation Graph for Offline Signature Verification written by Saeed Jamali and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hoved-Katalog fra N.P. Rasmussens Handelsgartneri Odense by :
Download or read book Hoved-Katalog fra N.P. Rasmussens Handelsgartneri Odense written by and published by . This book was released on 1895 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Novel Feature Extraction Technique for Online Handwriting Recognition by : Miao Lu
Download or read book A Novel Feature Extraction Technique for Online Handwriting Recognition written by Miao Lu and published by . This book was released on 2003 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Signature Verification System Design Using Stroke Based Feature Extraction Algorithm by : Tong Qu
Download or read book Dynamic Signature Verification System Design Using Stroke Based Feature Extraction Algorithm written by Tong Qu and published by . This book was released on 2004 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feature Extraction Techniques for Off-line Character Recognition by : Hasan Basli
Download or read book Feature Extraction Techniques for Off-line Character Recognition written by Hasan Basli and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances In Handwriting Recognition by : Seong-whan Lee
Download or read book Advances In Handwriting Recognition written by Seong-whan Lee and published by World Scientific. This book was released on 1999-06-01 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Handwriting Recognition contains selected key papers from the 6th International Workshop on Frontiers in Handwriting Recognition (IWFHR '98), held in Taejon, Korea from 12 to 14, August 1998. Most of the papers have been expanded or extensively revised to include helpful discussions, suggestions or comments made during the workshop.
Book Synopsis The Lognormality Principle And Its Applications In E-security, E-learning And E-health by : Rejean Plamondon
Download or read book The Lognormality Principle And Its Applications In E-security, E-learning And E-health written by Rejean Plamondon and published by World Scientific. This book was released on 2020-11-17 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This compendium provides a detailed account of the lognormality principle characterizing the human motor behavior by summarizing a sound theoretical framework for modeling such a behavior, introducing the most recent algorithms for extracting the lognormal components of complex movements in 2, 2.5 and 3 dimensions. It also vividly reports the most advanced applications to handwriting analysis and recognition, signature and writer verification, gesture recognition and calligraphy generation, evaluation of motor skills, improvement/degradation with aging, handwriting learning, education and developmental deficits, prescreening of children with ADHD (Attention Development and Hyperactivity Disorder), monitoring of concussion recovery, diagnosis and monitoring of Alzheimer's and Parkinson's diseases and aging effects in speech and handwriting.The volume provides a unique and useful source of references on the lognormality principle, an update on the most recent advances and an outlook at the most promising future developments in e-Security, e-Learning and e-Health.
Book Synopsis Profiling the European Citizen by : Mireille Hildebrandt
Download or read book Profiling the European Citizen written by Mireille Hildebrandt and published by Springer Science & Business Media. This book was released on 2008-05-01 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the eyes of many, one of the most challenging problems of the information society is that we are faced with an ever expanding mass of information. Based on the work done within the European Network of Excellence (NoE) on the Future of Identity in Information Society (FIDIS), a set of authors from different disciplinary backgrounds and jurisdictions share their understanding of profiling as a technology that may be preconditional for the future of our information society.
Book Synopsis Introduction to Information Retrieval by : Christopher D. Manning
Download or read book Introduction to Information Retrieval written by Christopher D. Manning and published by Cambridge University Press. This book was released on 2008-07-07 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and text clustering from basic concepts. It gives an up-to-date treatment of all aspects of the design and implementation of systems for gathering, indexing, and searching documents; methods for evaluating systems; and an introduction to the use of machine learning methods on text collections. All the important ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students in computer science. Based on feedback from extensive classroom experience, the book has been carefully structured in order to make teaching more natural and effective. Slides and additional exercises (with solutions for lecturers) are also available through the book's supporting website to help course instructors prepare their lectures.
Book Synopsis Handwriting Identification by : Roy A. Huber
Download or read book Handwriting Identification written by Roy A. Huber and published by CRC Press. This book was released on 1999-04-15 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Forensic document examination is the study of physical evidence and physical evidence cannot lie. Only its interpretation can err. Only the failure to find it, or to hear its true testimony can deprive it of its value." - Roy Huber, author A definitive review of handwriting identification, this book presents, in a general manner, how to approach document examination and then, in particular, how to apply handwriting identification to the document. Types of handwriting are discussed in detail. For the first time in the field of questioned document examination, Handwriting Identification: Facts and Fundamentals consolidates the pertinent information from published and unpublished sources respecting writing, that is essential to the expansion of a practitioner's general knowledge of handwriting identification and to the proper education of novices. Written in a question and answer format, the book suggests some of the questions that one might ask of an examiner and provides the answers that knowledgeable and competent examiners should be expected to give. This book is a valuable addition to law libraries and to every practicing document examiner, as well as every lawyer handling cases in which the authenticity of handwriting might be disputed.
Book Synopsis Document Image Analysis by : Lawrence O'Gorman
Download or read book Document Image Analysis written by Lawrence O'Gorman and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1995 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automatic Bankcheck Processing by : Horst Bunke
Download or read book Automatic Bankcheck Processing written by Horst Bunke and published by World Scientific. This book was released on 1997-12-04 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The widespread use of bankchecks in daily life makes the development of check-reading systems of fundamental relevance to banks and other financial institutions. This will improve productivity and allow advanced customer services. Therefore, many industrial companies and academic research laboratories have recently been attracted to this field, which involves several aspects, like image acquisition and preprocessing, layout analysis, preprinted data identification and recognition, user-entered data extraction, recognition of handwritten characters and words, and signature verification.The contributions collected in this book present the state of the art in the field of complete systems for bankcheck recognition, and explore the most promising trends in key aspects of this research field.
Book Synopsis Mining of Massive Datasets by : Jure Leskovec
Download or read book Mining of Massive Datasets written by Jure Leskovec and published by Cambridge University Press. This book was released on 2014-11-13 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its second edition, this book focuses on practical algorithms for mining data from even the largest datasets.
