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Fingerprint-based recognition has been widely deployed in various applications. However, current recognition systems are vulnerable to spoofing attacks which make use of an artificial replica of a fingerprint to deceive the sensors. In such…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Ram Prakash Sharma , Somnath Dey

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary supervision. Most of them suffer from limited robustness and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Chengwei Chen , Wang Yuan , Xuequan Lu , Lizhuang Ma

Radio Frequency Fingerprinting (RFF) techniques promise to authenticate wireless devices at the physical layer based on inherent hardware imperfections introduced during manufacturing. Such RF transmitter imperfections are reflected into…

Cryptography and Security · Computer Science 2025-07-09 Saeif Al-Hazbi , Ahmed Hussain , Savio Sciancalepore , Gabriele Oligeri , Panos Papadimitratos

We present a style-transfer based wrapper, called Universal Material Generator (UMG), to improve the generalization performance of any fingerprint spoof detector against spoofs made from materials not seen during training. Specifically, we…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Tarang Chugh , Anil K. Jain

In ultraviolet (UV) astronomical observations, photons from the sources are very few compared to the visible or infrared (IR) wavelength ranges. Detectors operating in the UV usually employ a photon-counting mode of operation. These…

Instrumentation and Methods for Astrophysics · Physics 2024-04-29 Bharat Chandra P , Binukumar G. , Shubham Janakiram , Mahesh Babu , Shubhangi Jain , Richa Rai , Rekhesh Mohan , Margarita Safonova , Jayant Murthy

Optical sensors offer precision, remote read-out, and immunity to electromagnetic interference but face adoption challenges due to complex and costly readout instrumentation, mostly based on high-resolution. This article challenges the…

Face recognition is a widely used biometric approach. Face recognition technology has developed rapidly in recent years and it is more direct, user friendly and convenient compared to other methods. But face recognition systems are…

Computer Vision and Pattern Recognition · Computer Science 2014-05-12 Saptarshi Chakraborty , Dhrubajyoti Das

With the increasing popularity of the Internet of Things(IoT) devices, the demand for fast and convenient battery charging services grows rapidly. Wireless charging is a promising technology for such a purpose and its usage has become…

Cryptography and Security · Computer Science 2020-08-05 Zhiyun Wang , Jiayu Zhang , Xiaoyu Ji , Wenyuan Xu , Gang Qu , Minjian Zhao

Spatial frequency domain imaging (SFDI) is a low-cost imaging technique that can deliver real-time maps of absorption and reduced scattering coefficients. However, there are a wide range of imaging geometries that practical SFDI systems…

Image and Video Processing · Electrical Eng. & Systems 2023-02-27 Jane Crowley , George S. D. Gordon

As the Internet help us cross cultural border by providing different information, plagiarism issue is bound to arise. As a result, plagiarism detection becomes more demanding in overcoming this issue. Different plagiarism detection tools…

Computer Vision and Pattern Recognition · Computer Science 2010-03-25 Chow Kok Kent , Naomie Salim

As Facial Recognition System(FRS) is widely applied in areas such as access control and mobile payments due to its convenience and high accuracy. The security of facial recognition is also highly regarded. The Face anti-spoofing system(FAS)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Qiushi Guo

In this paper, we propose a novel paper fingerprinting technique based on analyzing the translucent patterns revealed when a light source shines through the paper. These patterns represent the inherent texture of paper, formed by the random…

Cryptography and Security · Computer Science 2019-05-08 Ehsan Toreini , Siamak F. Shahandashti , Feng Hao

We present MapReader, a free, open-source software library written in Python for analyzing large map collections (scanned or born-digital). This library transforms the way historians can use maps by turning extensive, homogeneous map sets…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Kasra Hosseini , Daniel C. S. Wilson , Kaspar Beelen , Katherine McDonough

With the surge of social media, maliciously tampered public speeches, especially those from influential figures, have seriously affected social stability and public trust. Existing speech tampering detection methods remain insufficient:…

Cryptography and Security · Computer Science 2025-06-03 Lingfeng Yao , Chenpei Huang , Shengyao Wang , Junpei Xue , Hanqing Guo , Jiang Liu , Xun Chen , Miao Pan

Biometric authentication is getting increasingly popular due to the convenience of using unique individual traits, such as fingerprints, palm veins, irises. Especially fingerprints are widely used nowadays due to the availability and low…

Cryptography and Security · Computer Science 2019-11-04 Swe Geng , Georgia Giannopoulou , Maëlle Kabir-Querrec

Fingerprint presentation attack detection is becoming an increasingly challenging problem due to the continuous advancement of attack preparation techniques, which generate realistic-looking fake fingerprint presentations. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Leonidas Spinoulas , Hengameh Mirzaalian , Mohamed Hussein , Wael AbdAlmageed

Biometrics have a long-held hope of replacing passwords by establishing a non-repudiated identity and providing authentication with convenience. Convenience drives consumers toward biometrics-based access management solutions. Unlike…

Cryptography and Security · Computer Science 2017-08-17 Scott Streit , Brian Streit , Stephen Suffian

The multimodal datasets can be leveraged to pre-train large-scale vision-language models by providing cross-modal semantics. Current endeavors for determining the usage of datasets mainly focus on single-modal dataset ownership verification…

Information Retrieval · Computer Science 2025-04-18 Wenyi Zhang , Ju Jia , Xiaojun Jia , Yihao Huang , Xinfeng Li , Cong Wu , Lina Wang

Robust features are of vital importance to face spoofing detection, because various situations make feature space extremely complicated to partition. Thus in this paper, two novel and robust features for anti-spoofing are proposed. The…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Xiao Song , Xu Zhao , Tianwei Lin

As the web moves away from stateful tracking, browser fingerprinting is becoming more prevalent. Unfortunately, existing approaches to detect browser fingerprinting do not take into account potential evasion tactics such as code…

Cryptography and Security · Computer Science 2022-06-29 Ray Ngan , Surya Konkimalla , Zubair Shafiq
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