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Related papers: Offline handwritten signature identification using…

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In this paper, a writer-dependent signature verification method is proposed. Two different types of texture features, namely Wavelet and Local Quantized Patterns (LQP) features, are employed to extract two kinds of transform and statistical…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Ankan Kumar Bhunia , Alireza Alaei , Partha Pratim Roy

Indoor localization is a supporting technology for a broadening range of pervasive wireless applications. One promis- ing approach is to locate users with radio frequency fingerprints. However, its wide adoption in real-world systems is…

Information Theory · Computer Science 2017-08-04 Xiao-Yang Liu , Shuchin Aeron , Vaneet Aggarwal , Xiaodong Wang , Min-You Wu

Online fraud often involves identity theft. Since most security measures are weak or can be spoofed, we investigate a more nuanced and less explored avenue: behavioral biometrics via handwriting movements. This kind of data can be used to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-27 Luis A. Leiva , Moises Diaz , Miguel A. Ferrer , Réjean Plamondon

Authentication is the act of confirming the truth of an attribute of a datum or entity. This might involve confirming the identity of a person, tracing the origins of an artefact, ensuring that a product is what it's packaging and labelling…

Cryptography and Security · Computer Science 2011-10-10 A. S. N. Chakravarthy , Penmetsa V. Krishna Raja , P. S. Avadhani

Background: An advantageous property of behavioural signals ,e.g. handwriting, in contrast to morphological ones, such as iris, fingerprint, hand geometry, etc., is the possibility to ask a user for a very rich amount of different tasks.…

Cryptography and Security · Computer Science 2022-02-28 Marcos Faundez-Zanuy , Jiri Mekyska , Donato Impedovo

This paper investigates the presence of overfitting when using Binary Particle Swarm Optimization (BPSO) to perform the feature selection in a context of Handwritten Signature Verification (HSV). SigNet is a state of the art Deep CNN model…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Victor L. F. Souza , Adriano L. I. Oliveira , Rafael M. O. Cruz , Robert Sabourin

Recognizing handwriting images is challenging due to the vast variation in writing style across many people and distinct linguistic aspects of writing languages. In Vietnamese, besides the modern Latin characters, there are accent and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Nghia Hieu Nguyen , Duong T. D. Vo , Kiet Van Nguyen

We propose a method for annotating the location of objects in ImageNet. Traditionally, this is cast as an image window classification problem, where each window is considered independently and scored based on its appearance alone. Instead,…

Computer Vision and Pattern Recognition · Computer Science 2015-08-05 Alexander Vezhnevets , Vittorio Ferrari

Most online handwriting recognition systems require the use of specific writing surfaces to extract positional data. In this paper we present a online handwriting recognition system for word recognition which is based on inertial…

Machine Learning · Computer Science 2021-05-27 Mohamad Wehbi , Tim Hamann , Jens Barth , Peter Kaempf , Dario Zanca , Bjoern Eskofier

This paper presents an open source tool for testing the recognition accuracy of Chinese handwriting input methods. The tool consists of two modules, namely the PC and Android mobile client. The PC client reads handwritten samples in the…

Human-Computer Interaction · Computer Science 2015-06-02 Liquan Qiu , Lianwen Jin , Ruifen Dai , Yuxiang Zhang , Lei Li

In this paper, a new behavioral biometric password based on haptic interaction is described. This "haptic password" system is built on a device that has a force-sensitive screen. The user authentication process leverages maximal overlap…

Cryptography and Security · Computer Science 2020-10-28 Junjie Yan , Tamara Bonaci , Howard Jay Chizeck

A novel algorithm for creating a mathematical model of curved shapes is introduced. The core of the algorithm is based on building a graph representation of the contoured image, which occupies less storage space than produced by raster…

Human-Computer Interaction · Computer Science 2007-05-23 Denis V. Popel

We propose an approach for fingerprinting-based positioning which reduces the data requirements and computational complexity of the online positioning stage. It is based on a segmentation of the entire region of interest into subregions,…

Applications · Statistics 2019-01-14 Caifa Zhou , Andreas Wieser

We present a generative document-specific approach to character analysis and recognition in text lines. Our main idea is to build on unsupervised multi-object segmentation methods and in particular those that reconstruct images based on a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Ioannis Siglidis , Nicolas Gonthier , Julien Gaubil , Tom Monnier , Mathieu Aubry

Signatures present on corporate documents are often used in investigations of relationships between persons of interest, and prior research into the task of offline signature verification has evaluated a wide range of methods on standard…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Nikhil Woodruff , Amir Enshaei , Bashar Awwad Shiekh Hasan

Handwritten Numeral recognition plays a vital role in postal automation services especially in countries like India where multiple languages and scripts are used Discrete Hidden Markov Model (HMM) and hybrid of Neural Network (NN) and HMM…

Neural and Evolutionary Computing · Computer Science 2012-03-20 Anshuman Sharma

Many face recognition systems boost the performance using deep learning models, but only a few researches go into the mechanisms for dealing with online registration. Although we can obtain discriminative facial features through the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Hsin-Rung Chou , Jia-Hong Lee , Yi-Ming Chan , Chu-Song Chen

Mutational signatures connect characteristic mutational patterns in the genome with biological or chemical processes that take place in cancers. Analysis of mutational signatures can help elucidate tumor evolution, prognosis, and…

Genomics · Quantitative Biology 2024-12-09 Matúš Medo , Charlotte K. Y. Ng , Michaela Medová

On-line handwritten character segmentation is often associated with handwriting recognition and even though recognition models include mechanisms to locate relevant positions during the recognition process, it is typically insufficient to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Michael Jungo , Beat Wolf , Andrii Maksai , Claudiu Musat , Andreas Fischer

This paper presents a novel personal identification and verification system using information extracted from the hand shape and texture. The system has two major constituent modules: a fully automatic and robust peg free segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 F. Sohel , A. El-Sallam , M. Bennamoun