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Even today in Twenty First Century Handwritten communication has its own stand and most of the times, in daily life it is globally using as means of communication and recording the information like to be shared with others. Challenges in…

人工智能 · 计算机科学 2012-05-18 Yusuf Perwej , Ashish Chaturvedi

Static authentication methods, like passwords, grow increasingly weak with advancements in technology and attack strategies. Continuous authentication has been proposed as a solution, in which users who have gained access to an account are…

人工智能 · 计算机科学 2022-05-30 Nyle Siddiqui , Rushit Dave , Naeem Seliya , Mounika Vanamala

Identifying human behaviors is a challenging research problem due to the complexity and variation of appearances and postures, the variation of camera settings, and view angles. In this paper, we try to address the problem of human behavior…

计算机视觉与模式识别 · 计算机科学 2019-03-08 Eissa Jaber Alreshidi , Mohammad Bilal

Anomaly detection is the process of identifying abnormal instances or events in data sets which deviate from the norm significantly. In this study, we propose a signatures based machine learning algorithm to detect rare or unexpected items…

计算金融 · 定量金融 2022-02-09 Erdinc Akyildirim , Matteo Gambara , Josef Teichmann , Syang Zhou

AI-generated video generation continues its journey through the uncanny valley to produce content that is increasingly perceptually indistinguishable from reality. To better protect individuals, organizations, and societies from its…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Matyas Bohacek , Hany Farid

Mobile devices and technologies have become increasingly popular, offering comparable storage and computational capabilities to desktop computers allowing users to store and interact with sensitive and private information. The security and…

密码学与安全 · 计算机科学 2020-05-12 Mohammed Abuhamad , Ahmed Abusnaina , DaeHun Nyang , David Mohaisen

This paper presents an accurate method for verifying online signatures. The main difficulty of signature verification come from: (1) Lacking enough training samples (2) The methods must be spatial change invariant. To deal with these…

计算机视觉与模式识别 · 计算机科学 2018-06-27 Mohammad Hajizadeh Saffar , Mohsen Fayyaz , Mohammad Sabokrou , Mahmood Fathy

How easy is it to uniquely identify a person based solely on their web browsing behavior? Here we show that when people navigate the Web, their online traces produce fingerprints that identify them. Merely the four most visited web domains…

计算机与社会 · 计算机科学 2024-06-17 Marcos Oliveira , Junran Yang , Daniel Griffiths , Denis Bonnay , Juhi Kulshrestha

Social media accounts engaging in online manipulation can change their behaviors for re-purposing or to evade detection. Existing detection systems are built on features that do not exploit such behavioral patterns. Here we investigate the…

社会与信息网络 · 计算机科学 2026-03-04 Isuru Ariyarathne , Gangani Ariyarathne , Alessandro Flammini , Filippo Menczer , Alexander C. Nwala

The proliferation of AI-generated text has intensified the need for reliable authorship verification, yet current output-based methods are increasingly unreliable. We observe that the ordinary typing interface captures rich cognitive…

密码学与安全 · 计算机科学 2026-05-26 David Condrey

Biometrics which use of human physiological characteristics for identifying an individual is now a widespread method of identification and authentication. Biometric identification is a technology which uses several image processing…

计算机视觉与模式识别 · 计算机科学 2012-10-24 Rachita Misra , Kasturika B ray

Our behavior (the way we talk, walk, act or think) is unique and can be used as a biometric trait. It also correlates with sensitive attributes like emotions and health conditions. Hence, techniques to protect individuals privacy against…

密码学与安全 · 计算机科学 2023-01-06 Simon Hanisch , Patricia Arias-Cabarcos , Javier Parra-Arnau , Thorsten Strufe

User's intentions may be expressed through spontaneous gesturing, which have been seen only a few times or never before. Recognizing such gestures involves one shot gesture learning. While most research has focused on the recognition of the…

人机交互 · 计算机科学 2017-01-24 Maria Cabrera , Richard Voyles , Juan Wachs

Gestures are a topic of increasing interest in authentication and successful implementation as a security layer requires reliable gesture recognition. So far much work focuses on new ways to recognize gestures, leaving discussion on the…

密码学与安全 · 计算机科学 2014-08-28 Gradeigh D. Clark , Janne Lindqvist

Active authentication is the problem of continuously verifying the identity of a person based on behavioral aspects of their interaction with a computing device. In this study, we collect and analyze behavioral biometrics data from…

密码学与安全 · 计算机科学 2016-11-15 Lex Fridman , Steven Weber , Rachel Greenstadt , Moshe Kam

In today's age of internet and social media, one can find an enormous volume of forged images on-line. These images have been used in the past to convey falsified information and achieve harmful intentions. The spread and the effect of the…

计算机视觉与模式识别 · 计算机科学 2017-04-06 Parag S. Chandakkar , Baoxin Li

The biometric system is an automatic identification and authentication system that uses unique biological traits, such as fingerprint, face, iris, voice, retina, etc. of an individual. Of all these systems, fingerprint biometric system is…

密码学与安全 · 计算机科学 2018-05-21 Mahesh Joshi , Bodhisatwa Mazumdar , Somnath Dey

With the latest developments in technology, extra and extra human beings depend on their private gadgets to keep their touchy information. Concurrently, the surroundings in which these gadgets are linked have grown to grow to be greater…

密码学与安全 · 计算机科学 2021-09-08 Rushit Dave

With the increased popularity of smartphones, various security threats and privacy leakages targeting them are discovered and investigated. In this work, we present \ourprotocoltight, a framework to authenticate users silently and…

密码学与安全 · 计算机科学 2013-09-03 Cheng Bo , Lan Zhang , Xiang-Yang Li

Automated traffic continued to surpass human-generated traffic on the web, and a rising proportion of this automation was explicitly malicious. Evasive bots could pretend to be real users, even solve Captchas and mimic human interaction…

密码学与安全 · 计算机科学 2026-02-11 Ghalia Jarad , Kemal Bicakci