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Information fusion is used widely to improve document classification by the integration of multiple data sources (multimodal) or representations (multiview). However, the field lacks a unified framework, a quantitative synthesis of its…

Computation and Language · Computer Science 2026-05-27 Marcin Michał Mirończuk

Serial, or sequential, fusion of multiple biometric matchers has been not thoroughly investigated so far. However, this approach exhibits some advantages with respect to the widely adopted parallel approaches. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Gian Luca Marcialis , Paolo Mastinu , Fabio Roli

In spite of the benefits of biometric-based authentication systems, there are few concerns raised because of the sensitivity of biometric data to outliers, low performance caused due to intra-class variations and privacy invasion caused by…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Rudresh Dwivedi , Somnath Dey

Uni-modal identification systems are vulnerable to errors in sensor data collection and are therefore more likely to misidentify subjects. For instance, relying on data solely from an RGB face camera can cause problems in poorly lit…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Thomas Truong , Jonathan Graf , Svetlana Yanushkevich

Biometrics is the science and technology of measuring and analyzing biological data of human body, extracting a feature set from the acquired data, and comparing this set against to the template set in the database. Experimental studies…

Artificial Intelligence · Computer Science 2010-11-30 K. Sasidhar , Vijaya L Kakulapati , Kolikipogu Ramakrishna , K. KailasaRao

Missing data represents a fundamental challenge in machine learning applications, often reducing model performance and reliability. This problem is particularly acute in fields like bioinformatics and clinical machine learning, where…

Machine Learning · Computer Science 2025-09-04 Fatemeh Azad , Zoran Bosnić , Matjaž Kukar

Continuous authentication has been widely studied to provide high security and usability for mobile devices by continuously monitoring and authenticating users. Recent studies adopt multibiometric fusion for continuous authentication to…

Automatically verifying the identity of a person by means of biometrics is an important application in day-to-day activities such as accessing banking services and security control in airports. To increase the system reliability, several…

Computationally efficient, accurate, and privacy-preserving data storage and retrieval are among the key challenges faced by practical deployments of biometric identification systems worldwide. In this work, a method of protected indexing…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Pawel Drozdowski , Fabian Stockhardt , Christian Rathgeb , Dailé Osorio-Roig , Christoph Busch

Fair biometric algorithms have similar verification performance across different demographic groups given a single decision threshold. Unfortunately, for state-of-the-art face recognition networks, score distributions differ between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yu Linghu , Tiago de Freitas Pereira , Christophe Ecabert , Sébastien Marcel , Manuel Günther

Biometrics systems have significantly improved person identification and authentication, playing an important role in personal, national, and global security. However, these systems might be deceived (or "spoofed") and, despite the recent…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 David Menotti , Giovani Chiachia , Allan Pinto , William Robson Schwartz , Helio Pedrini , Alexandre Xavier Falcao , Anderson Rocha

Multibiometrics, which uses multiple biometric traits to improve recognition performance instead of using only one biometric trait to authenticate individuals, has been investigated. Previous studies have combined individually acquired…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Koichi Ito , Taito Tonosaki , Takafumi Aoki , Tetsushi Ohki , Masakatsu Nishigaki

Face Recognition (FR) is increasingly used in critical verification decisions and thus, there is a need for assessing the trustworthiness of such decisions. The confidence of a decision is often based on the overall performance of the model…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Marco Huber , Philipp Terhörst , Florian Kirchbuchner , Naser Damer , Arjan Kuijper

Fusing outputs from automatic speaker verification (ASV) and spoofing countermeasure (CM) is expected to make an integrated system robust to zero-effort imposters and synthesized spoofing attacks. Many score-level fusion methods have been…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Xin Wang , Tomi Kinnunen , Kong Aik Lee , Paul-Gauthier Noé , Junichi Yamagishi

Signal-quality awareness has been found to increase recognition rates and to support decisions in multisensor environments significantly. Nevertheless, automatic quality assessment is still an open issue. Here, we study the orientation…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Hartwig Fronthaler , Klaus Kollreider , Josef Bigun , Julian Fierrez , Fernando Alonso-Fernandez , Javier Ortega-Garcia , Joaquin Gonzalez-Rodriguez

Biometric recognition has primarily addressed closed-set identification, assuming all probe subjects are in the gallery. However, most practical applications involve open-set biometrics, where probe subjects may or may not be present in the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yiyang Su , Minchul Kim , Feng Liu , Anil Jain , Xiaoming Liu

Hybrid approach has a special status among Face Recognition Systems as they combine different recognition approaches in an either serial or parallel to overcome the shortcomings of individual methods. This paper explores the area of Hybrid…

Computer Vision and Pattern Recognition · Computer Science 2014-01-03 Trupti M. Kodinariya

This paper presents a concept of image pixel fusion of visual and thermal faces, which can significantly improve the overall performance of a face recognition system. Several factors affect face recognition performance including pose…

Computer Vision and Pattern Recognition · Computer Science 2010-07-06 Debotosh Bhattacharjee , Mrinal Kanti Bhowmik , Mita Nasipuri , Dipak Kumar Basu , Mahantapas Kundu

Many datasets suffer from missing values due to various reasons,which not only increases the processing difficulty of related tasks but also reduces the accuracy of classification. To address this problem, the mainstream approach is to use…

Machine Learning · Computer Science 2024-08-14 Cong Guo , Chun Liu , Wei Yang

We propose a deep learning-based feature fusion approach for facial computing including face recognition as well as gender, race and age detection. Instead of training a single classifier on face images to classify them based on the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-17 Wei Li , Zhigang Zhu