English
Related papers

Related papers: User Dependent Features in Online Signature Verifi…

200 papers

Online selection of dynamic features has attracted intensive interest in recent years. However, existing online feature selection methods evaluate features individually and ignore the underlying structure of feature stream. For instance, in…

Computer Vision and Pattern Recognition · Computer Science 2016-08-23 Jing Wang , Meng Wang , Peipei Li , Luoqi Liu , Zhongqiu Zhao , Xuegang Hu , Xindong Wu

This paper presents a two-dimension fuzzy set based approach for matching touch-based gestures using fuzzy cued click point technique. The pro posed approach aims mainly to improve the acceptance of the most closed inac curate hand drawn…

Human-Computer Interaction · Computer Science 2025-07-31 Adel Sabour , Ahmed Gadallah , Hesham Hefny

Information Retrieval systems can be improved by exploiting context information such as user and document features. This article presents a model based on overlapping probabilistic or fuzzy clusters for such features. The model is applied…

Human-Computer Interaction · Computer Science 2011-02-21 Thomas Mandl , Christa Womser-Hacker

Recent social recommender systems benefit from friendship graph to make an accurate recommendation, believing that friends in a social network have exactly the same interests and preferences. Some studies have benefited from hard clustering…

Social and Information Networks · Computer Science 2020-01-09 Marzieh Pourhojjati-Sabet , Azam Rabiee

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. The objective of signature verification systems is to discriminate if a given signature is genuine…

Computer Vision and Pattern Recognition · Computer Science 2019-01-25 Luiz G. Hafemann , Robert Sabourin , Luiz S. Oliveira

We propose a novel approach that utilizes fuzzification theory to perform feature selection on website content for encryption purposes. Our objective is to identify and select the most relevant features from the website by harnessing the…

Cryptography and Security · Computer Science 2023-06-26 Mike Nkongolo

Thousands of vulnerabilities are reported on a monthly basis to security repositories, such as the National Vulnerability Database. Among these vulnerabilities, software misconfiguration is one of the top 10 security risks for web…

Cryptography and Security · Computer Science 2022-10-03 Carlos Diego Nascimento Damasceno , Daniel Strüber

Within the field of image and video recognition, the traditional approach is a dataset split into fixed training and test partitions. However, the labelling of the training set is time-consuming, especially as datasets grow in size and…

Computer Vision and Pattern Recognition · Computer Science 2016-12-08 Andrew Gilbert , Richard Bowden

Biometric authentication is one of the promising alternatives to standard password-based authentication offering better usability and security. In this work, we revisit the biometric authentication based on "fuzzy signatures" introduced by…

Cryptography and Security · Computer Science 2021-12-17 Shuichi Katsumata , Takahiro Matsuda , Wataru Nakamura , Kazuma Ohara , Kenta Takahashi

Web Usage Mining is the application of data mining techniques to web usage log repositories in order to discover the usage patterns that can be used to analyze the users navigational behavior. During the preprocessing stage, raw web log…

Databases · Computer Science 2015-09-03 Zahid Ansari , M. F. Azeem , A. Vinaya Babu , Waseem Ahmed

Cluster analysis is widely used in the areas of machine learning and data mining. Fuzzy clustering is a particular method that considers that a data point can belong to more than one cluster. Fuzzy clustering helps obtain flexible clusters,…

Machine Learning · Computer Science 2018-06-06 Aybükë Oztürk , Stéphane Lallich , Jérôme Darmont

This paper proposes a new method for similarity analysis and, consequently, a new algorithm for clustering different types of random attributes, both numerical and nominal. However, in order for nominal attributes to be clustered, their…

Machine Learning · Computer Science 2024-12-16 Zenon Gniazdowski

A genuine signer's signature is naturally unstable even at short time-intervals whereas, expert forgers always try to perfectly mimic a genuine signer's signature. This presents a challenge which puts a genuine signer at risk of being…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Paul Brimoh , Chollette C. Olisah

A new software-based liveness detection approach using a novel fingerprint parameterization based on quality related features is proposed. The system is tested on a highly challenging database comprising over 10,500 real and fake images…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Javier Galbally , Fernando Alonso-Fernandez , Julian Fierrez , Javier Ortega-Garcia

In this paper, we present a methodology for off-line handwritten character recognition. The proposed methodology relies on a new feature extraction technique based on structural characteristics, histograms and profiles. As novelty, we…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 José Manuel Casas , Nick Inassaridze , Manuel Ladra , Susana Ladra

Handwriting signatures, as an important means of identity recognition, are widely used in multiple fields such as financial transactions, commercial contracts and personal affairs due to their legal effect and uniqueness. In forensic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Wanghui Xiao

This paper presents a novel approach to the digital signing of electronic documents through the use of a camera-based interaction system, single-finger tracking for sign recognition, and multi commands executing hand gestures. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 P. Sarveswarasarma , T. Sathulakjan , V. J. V. Godfrey , Thanuja D. Ambegoda

In this paper, a similarity-driven cluster merging method is proposed for unsuper-vised fuzzy clustering. The cluster merging method is used to resolve the problem of cluster validation. Starting with an overspecified number of clusters in…

Machine Learning · Computer Science 2012-07-19 Xuejian Xiong , Kap Chan , Kian Lee Tan

In this paper, we present a novel approach to identify feature specific expressions of opinion in product reviews with different features and mixed emotions. The objective is realized by identifying a set of potential features in the review…

Information Retrieval · Computer Science 2012-09-19 Subhabrata Mukherjee , Pushpak Bhattacharyya

SigNet is a state of the art model for feature representation used for handwritten signature verification (HSV). This representation is based on a Deep Convolutional Neural Network (DCNN) and contains 2048 dimensions. When transposed to a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Victor L. F. Souza , Adriano L. I. Oliveira , Rafael M. O. Cruz , Robert Sabourin