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Even though a few initial works have shown on small sets of data some level of bias in the performance of fingerprint recognition technology with respect to certain demographic groups, there is still not sufficient evidence to understand…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Javier Galbally , Aleksandrs Cepilovs , Ramon Blanco-Gonzalo , Gillian Ormiston , Oscar Miguel-Hurtado , Istvan Sz. Racz

With the widespread use of biometric recognition, several issues related to the privacy and security provided by this technology have been recently raised and analysed. As a result, the early common belief among the biometrics community of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Marta Gomez-Barrero , Javier Galbally

There is increasing attention to evaluating the fairness of search system ranking decisions. These metrics often consider the membership of items to particular groups, often identified using protected attributes such as gender or ethnicity.…

Information Retrieval · Computer Science 2021-08-12 Ömer Kırnap , Fernando Diaz , Asia Biega , Michael Ekstrand , Ben Carterette , Emine Yılmaz

This paper proposes integrating semantics-oriented similarity representation into RankingMatch, a recently proposed semi-supervised learning method. Our method, dubbed ReRankMatch, aims to deal with the case in which labeled and unlabeled…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Trung Quang Tran , Mingu Kang , Daeyoung Kim

Biometric technologies, especially face recognition, have become an essential part of identity management systems worldwide. In deployments of biometrics, secure storage of biometric information is necessary in order to protect the users'…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Christian Rathgeb , Johannes Merkle , Johanna Scholz , Benjamin Tams , Vanessa Nesterowicz

Evaluating performance across optimization algorithms on many problems presents a complex challenge due to the diversity of numerical scales involved. Traditional data processing methods, such as hypothesis testing and Bayesian inference,…

Optimization and Control · Mathematics 2024-09-10 Yunpeng Jinng , Qunfeng Liu

The development of large-scale identification systems that ensure the privacy protection of enrolled subjects represents a major challenge. Biometric deployments that provide interoperability and usability by including efficient…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Daile Osorio-Roig , Lazaro J. Gonzalez-Soler , Christian Rathgeb , Christoph Busch

The performance of state-of-the-art neural rankers can deteriorate substantially when exposed to noisy inputs or applied to a new domain. In this paper, we present a novel method for fine-tuning neural rankers that can significantly improve…

Information Retrieval · Computer Science 2021-06-01 Xiaofei Ma , Cicero Nogueira dos Santos , Andrew O. Arnold

Person re identification is a challenging retrieval task that requires matching a person's acquired image across non overlapping camera views. In this paper we propose an effective approach that incorporates both the fine and coarse pose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 M. Saquib Sarfraz , Arne Schumann , Andreas Eberle , Rainer Stiefelhagen

Transformer based re-ranking models can achieve high search relevance through context-aware soft matching of query tokens with document tokens. To alleviate runtime complexity of such inference, previous work has adopted a late interaction…

Information Retrieval · Computer Science 2022-03-30 Yingrui Yang , Yifan Qiao , Tao Yang

Multi-label ranking, which returns multiple top-ranked labels for each instance, has a wide range of applications for visual tasks. Due to its complicated setting, prior arts have proposed various measures to evaluate model performances.…

Machine Learning · Computer Science 2024-07-10 Zitai Wang , Qianqian Xu , Zhiyong Yang , Peisong Wen , Yuan He , Xiaochun Cao , Qingming Huang

Benchmarks offer a scientific way to compare algorithms using objective performance metrics. Good benchmarks have two features: (a) they should be widely useful for many research groups; (b) and they should produce reproducible findings. In…

BIOMETRICS are an important and widely used class of methods for identity verification and access control. Biometrics are attractive because they are inherent properties of an individual. They need not be remembered like passwords, and are…

Cryptography and Security · Computer Science 2017-04-26 Shantanu Rane , Ye Wang , Stark. C. Draper , Prakash Ishwar

Template update allows to modify the biometric reference of a user while he uses the biometric system. With such kind of mechanism we expect the biometric system uses always an up to date representation of the user, by capturing his…

Other Computer Science · Computer Science 2012-03-08 Romain Giot , Christophe Rosenberger , Bernadette Dorizzi

Recent advances in score-based generative models have led to a huge spike in the development of downstream applications using generative models ranging from data augmentation over image and video generation to anomaly detection. Despite…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Mischa Dombrowski , Bernhard Kainz

Fake fingerprint representation pose a severe threat for fingerprint based authentication systems. Despite advances in presentation attack detection technologies, which are often integrated directly into the fingerprint scanner devices,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Christof Kauba , Luca Debiasi , Andreas Uhl

Neural ranking models have achieved remarkable progress and are now widely deployed in real-world applications such as Retrieval-Augmented Generation (RAG). However, like other neural architectures, they remain vulnerable to adversarial…

Cryptography and Security · Computer Science 2025-12-30 Jiawei Liu , Zhuo Chen , Rui Zhu , Miaokun Chen , Yuyang Gong , Wei Lu , Xiaofeng Wang

In this paper, we propose a novel scheme for data hiding in the fingerprint minutiae template, which is the most popular in fingerprint recognition systems. Various strategies are proposed in data embedding in order to maintain the accuracy…

Cryptography and Security · Computer Science 2017-10-03 Sheng Li , Xin Chen , Zhigao Zheng , Zhenxin Qian , Guorui Feng , Xinpeng Zhang

It is a well-known challenge to learn an unbiased ranker with biased feedback. Unbiased learning-to-rank(LTR) algorithms, which are verified to model the relative relevance accurately based on noisy feedback, are appealing candidates and…

Information Retrieval · Computer Science 2023-03-09 Yi Ren , Hongyan Tang , Siwen Zhu

Many biometric template protection algorithms have been proposed mainly in two approaches: biometric feature transformation and biometric cryptosystem. Security evaluation of the proposed algorithms are often conducted in various…

Cryptography and Security · Computer Science 2013-01-08 Manabu Inuma , Akira Otsuka