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Object detection is one of the most important and challenging branches of computer vision, which has been widely applied in peoples life, such as monitoring security, autonomous driving and so on, with the purpose of locating instances of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Licheng Jiao , Fan Zhang , Fang Liu , Shuyuan Yang , Lingling Li , Zhixi Feng , Rong Qu

Deep learning applies multiple processing layers to learn representations of data with multiple levels of feature extraction. This emerging technique has reshaped the research landscape of face recognition (FR) since 2014, launched by the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Mei Wang , Weihong Deng

In this paper we assess how well users know biometric authentication methods, how they perceive them, and if they have misconceptions about them. We present the results of an online survey that we conducted in two rounds (2019, N=57; and…

Human-Computer Interaction · Computer Science 2024-10-17 Lukas Mecke , Alia Saad , Sarah Prange , Uwe Gruenefeld , Stefan Schneegass , Florian Alt

Graphs provide a powerful representation formalism that offers great promise to benefit tasks like handwritten signature verification. While most state-of-the-art approaches to signature verification rely on fixed-size representations,…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Paul Maergner , Nicholas R. Howe , Kaspar Riesen , Rolf Ingold , Andreas Fischer

Communication barriers pose significant challenges for individuals with hearing and speech impairments, often limiting their ability to effectively interact in everyday environments. This project introduces a real-time assistive technology…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Brandone Fonya , Clarence Worrell

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

Deepfake detection refers to detecting artificially generated or edited faces in images or videos, which plays an essential role in visual information security. Despite promising progress in recent years, Deepfake detection remains a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Chunlei Peng , Huiqing Guo , Decheng Liu , Nannan Wang , Ruimin Hu , Xinbo Gao

Face Recognition has been studied for many decades. As opposed to traditional hand-crafted features such as LBP and HOG, much more sophisticated features can be learned automatically by deep learning methods in a data-driven way. In this…

Computer Vision and Pattern Recognition · Computer Science 2015-07-24 Jingtuo Liu , Yafeng Deng , Tao Bai , Zhengping Wei , Chang Huang

Deep learning has received increasing interests in face recognition recently. Large quantities of deep learning methods have been proposed to handle various problems appeared in face recognition. Quite a lot deep methods claimed that they…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Na Zhang

In recent years, a specific machine learning method called deep learning has gained huge attraction, as it has obtained astonishing results in broad applications such as pattern recognition, speech recognition, computer vision, and natural…

Machine Learning · Computer Science 2018-06-26 Seyed Sajad Mousavi , Michael Schukat , Enda Howley

This paper describes a hand geometry biometric identification system. We have acquired a database of 22 people, 10 acquisitions per person, using a conventional document scanner. We propose a feature extraction and classifier. The…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Marcos Faundez-Zanuy

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…

Artificial Intelligence · Computer Science 2022-05-30 Nyle Siddiqui , Rushit Dave , Naeem Seliya , Mounika Vanamala

This paper summarizes the applied deep learning practices in the field of speaker recognition, both verification and identification. Speaker recognition has been a widely used field topic of speech technology. Many research works have been…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-27 Dávid Sztahó , György Szaszák , András Beke

Sign language is a visual language that enhances communication between people and is frequently used as the primary form of communication by people with hearing loss. Even so, not many people with hearing loss use sign language, and they…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Rupesh Kumar , Ayush Sinha , Ashutosh Bajpai , S. K Singh

The area of Handwritten Signature Verification has been broadly researched in the last decades, but remains an open research problem. In offline (static) signature verification, the dynamic information of the signature writing process is…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Sourya Dipta Das , Himanshu Ladia , Vaibhav Kumar , Shivansh Mishra

Thanks to recent advances in deep learning, sophisticated generation tools exist, nowadays, that produce extremely realistic synthetic speech. However, malicious uses of such tools are possible and likely, posing a serious threat to our…

Sound · Computer Science 2022-09-29 Alessandro Pianese , Davide Cozzolino , Giovanni Poggi , Luisa Verdoliva

In recent years, deep learning techniques have been used to develop sign language recognition systems, potentially serving as a communication tool for millions of hearing-impaired individuals worldwide. However, there are inherent…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Alvaro Leandro Cavalcante Carneiro , Denis Henrique Pinheiro Salvadeo , Lucas de Brito Silva

Signature-based techniques give mathematical insight into the interactions between complex streams of evolving data. These insights can be quite naturally translated into numerical approaches to understanding streamed data, and perhaps…

Machine Learning · Statistics 2025-02-21 Terry Lyons , Andrew D. McLeod

The 'signature method' refers to a collection of feature extraction techniques for multivariate time series, derived from the theory of controlled differential equations. There is a great deal of flexibility as to how this method can be…

Machine Learning · Computer Science 2021-02-09 James Morrill , Adeline Fermanian , Patrick Kidger , Terry Lyons

We review state-of-the-art formal methods applied to the emerging field of the verification of machine learning systems. Formal methods can provide rigorous correctness guarantees on hardware and software systems. Thanks to the availability…

Programming Languages · Computer Science 2021-04-22 Caterina Urban , Antoine Miné