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Biometrics are one of the most privacy-sensitive data. Ubiquitous authentication systems with a focus on privacy favor decentralized approaches as they reduce potential attack vectors, both on a technical and organizational level. The gold…

Cryptography and Security · Computer Science 2023-04-18 Philipp Hofer , Michael Roland , Philipp Schwarz , René Mayrhofer

We describe society as a nonequilibrium probabilistic system: N individuals occupy W resource states in it and produce entropy S over definite time periods. Resulting thermodynamics is however unusual because a second entropy, H, measures a…

General Finance · Quantitative Finance 2019-02-20 J. Rosenblatt

Many assumptions that underpin human concepts of identity do not hold for machine minds that can be copied, edited, or simulated. We argue that there exist many different coherent identity boundaries (e.g.\ instance, model, persona), and…

Artificial Intelligence · Computer Science 2026-03-13 Raymond Douglas , Jan Kulveit , Ondrej Havlicek , Theia Pearson-Vogel , Owen Cotton-Barratt , David Duvenaud

Human Identity verification has always been an eye-catching goal in digital based security system. Authentication or identification systems developed using human characteristics such as face, finger print, hand geometry, iris, and voice are…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Prajoy Podder , A. H. M Shahariar Parvez , Md. Mizanur Rahman , Tanvir Zaman Khan

Person re-identification (re-ID) is a task of matching pedestrians under disjoint camera views. To recognise paired snapshots, it has to cope with large cross-view variations caused by the camera view shift. Supervised deep neural networks…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Lin Wu , Richang Hong , Yang Wang , Meng Wang

A fundamental tenet of pattern recognition is that overlap between training and testing sets causes an optimistic accuracy estimate. Deep CNNs for face recognition are trained for N-way classification of the identities in the training set.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Haiyu Wu , Sicong Tian , Jacob Gutierrez , Aman Bhatta , Kağan Öztürk , Kevin W. Bowyer

Iris authentication algorithms have achieved impressive recognition performance, making them highly promising for real-world applications such as border control, citizen identification, and both criminal investigations and commercial…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Geetanjali Sharma , Gaurav Jaswal , Aditya Nigam , Raghavendra Ramachandra

We study the symmetric private information retrieval (SPIR) problem under arbitrary collusion and eavesdropping patterns for replicated databases. We find its capacity, which is the same as the capacity of the original SPIR problem with the…

Information Theory · Computer Science 2020-10-19 Jiale Cheng , Nan Liu , Wei Kang

Human face features can be used to determine individual identity as well as demographic information like gender and race. However, the extent to which black-box commercial face recognition algorithms (CFRAs) use gender and race features to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 John J. Howard , Yevgeniy B. Sirotin , Jerry L. Tipton , Arun R. Vemury

Iris-based identification systems are among the most popular approaches for person identification. Such systems require good-quality segmentation modules that ideally identify the regions for different eye components. This paper introduces…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Wiktor Lazarski , Maciej Zieba , Tanguy Jeanneau , Tobias Zillig , Christian Brendel

The ``Gibbs Paradox'' refers to several related questions concerning entropy in thermodynamics and statistical mechanics: whether it is an extensive quantity or not, how it changes when identical particles are mixed, and the proper way to…

Statistical Mechanics · Physics 2009-11-07 Chih-Yuan Tseng , Ariel Caticha

Biometric door lock security systems are used at those places where you have important information and stuffs. In that kind of places multibiometric electronic door lock security systems that are based on finger print and iris…

Cryptography and Security · Computer Science 2012-10-11 K. Saravanan , C. Saranya , M. Saranya

The ability to synthesize personalized group photos and specify the positions of each identity offers immense creative potential. While such imagery can be visually appealing, it presents significant challenges for existing technologies. A…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yimeng Zhang , Tiancheng Zhi , Jing Liu , Shen Sang , Liming Jiang , Qing Yan , Sijia Liu , Linjie Luo

Distinct entropy definitions have been used to obtain an inverse correlation between the residual size and entropy for Heavy Ion Collisions. This explains the existence of several temperatures for different residual size bins, as reported…

Nuclear Theory · Physics 2007-05-23 A. Barrañón , J. A. López , J. Escamilla Roa

The massive availability of cameras results in a wide variability of imaging conditions, producing large intra-class variations and a significant performance drop if heterogeneous images are compared for person recognition. However, as…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Fernando Alonso-Fernandez , Kiran B. Raja , R. Raghavendra , Cristoph Busch , Josef Bigun , Ruben Vera-Rodriguez , Julian Fierrez

Biometric presentation attack detection is gaining increasing attention. Users of mobile devices find it more convenient to unlock their smart applications with finger, face or iris recognition instead of passwords. In this paper, we survey…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Yomna Safaa El-Din , Mohamed N. Moustafa , Hani Mahdi

A grand challenge in representation learning is to learn the different explanatory factors of variation behind the high dimen- sional data. Encoder models are often determined to optimize performance on training data when the real objective…

Machine Learning · Statistics 2018-02-16 Matías Vera , Pablo Piantanida , Leonardo Rey Vega

We present an algorithm to estimate the configurational entropy $S$ of a polymer. The algorithm uses the statistics of coincidences among random samples of configurations and is related to the catch-tag-release method for estimation of…

Biomolecules · Quantitative Biology 2015-03-27 Ilya Nemenman , Michael E. Wall , Charlie E. Strauss

The proliferation of automated face recognition in the commercial and government sectors has caused significant privacy concerns for individuals. One approach to address these privacy concerns is to employ evasion attacks against the metric…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Harrison Rosenberg , Brian Tang , Kassem Fawaz , Somesh Jha

With the increasing number of intrusions in system and network infrastructures, Intrusion Detection Systems (IDS) have become an active area of research to develop reliable and effective solutions to detect and counter them. The use of…

Cryptography and Security · Computer Science 2012-12-04 Herve Kabamba Mbikayi