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Related papers: Optical identification using physical unclonable f…

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Physical unclonable function (PUF) has been proposed as a promising and trustworthy solution to a variety of cryptographic applications. Here we propose a non-imaging based authentication scheme for optical PUFs materialized by random…

Cryptography and Security · Computer Science 2021-11-30 Pidong Wang , Feiliang Chen , Dong Li , Song Sun , Feng Huang , Taiping Zhang , Qian Li , Kun Chen , Yongbiao Wan , Xiao Leng , Yao Yao

We have shown the opportunity to use the unique inhomogeneities of the internal structure of an optical fiber waveguide for remote authentication of users or an optic fiber line. Optical time domain reflectometry (OTDR) is demonstrated to…

Trusted identification is critical to secure IoT devices. However, the limited memory and computation power of low-end IoT devices prevent the direct usage of conventional identification systems. RF fingerprinting is a promising technique…

Cryptography and Security · Computer Science 2019-01-18 Tianhang Zheng , Zhi Sun , Kui Ren

In addressing physical layer security issues, hardware fingerprinting has been proven to be a reliable method. Additionally, Visible Light Communication (VLC) technology offers a solution to the spectrum congestion in next-generation…

Signal Processing · Electrical Eng. & Systems 2024-04-15 Chen Xuanbang , Liu Ziqi , Zhang Xun , Wang Yuhao , Shi Dayu , Liu Xiaodong

Passive operating system fingerprinting reveals valuable information to the defenders of heterogeneous private networks; at the same time, attackers can use fingerprinting to reconnoiter networks, so defenders need obfuscation techniques to…

Cryptography and Security · Computer Science 2017-06-27 Blake Anderson , David McGrew

Out-of-distribution (OOD) detection is crucial for the deployment of machine learning models in the open world. While existing OOD detectors are effective in identifying OOD samples that deviate significantly from in-distribution (ID) data,…

Machine Learning · Computer Science 2024-12-10 Hao Fu , Prashanth Krishnamurthy , Siddharth Garg , Farshad Khorrami

Optical imaging is commonly used for both scientific and technological applications across industry and academia. In image sensing, a measurement, such as of an object's position, is performed by computational analysis of a digitized image.…

We present a hardware-integrated security framework for LiFi networks through device fingerprint extraction within the IEEE 802.15.7 protocol. Our Optic Fingerprint (OFP) model utilizes inherent LED nonlinearities to generate…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Ziqi Liu , Xuanbang Chen , Xun Zhang

In this work the novel usage of a physically unclonable function composed of a network of Mach-Zehnder interferometers for authentication tasks is described. The physically unclonable function hardware is completely reconfigurable, allowing…

Quantum Physics · Physics 2020-12-21 H S. Jacinto , A. Matthew Smith

Out-of-distribution (OoD) detection for data-based programs is a goal of paramount importance. Common approaches in the literature tend to train detectors requiring inside-of-distribution (in-distribution, or IoD) and OoD validation…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Romain Xu-Darme , Julien Girard-Satabin , Darryl Hond , Gabriele Incorvaia , Zakaria Chihani

Human fingerprints serve as one unique and powerful characteristic for each person, from which policemen can recognize the identity. Similar to humans, many natural bodies and intrinsic mechanical qualities can also be uniquely identified…

Machine Learning · Computer Science 2024-03-25 Yongchao Chen

The Internet of Things (IoT) is a collection of Internet connected devices capable of interacting with the physical world and computer systems. It is estimated that the IoT will consist of approximately fifty billion devices by the year…

Signal Processing · Electrical Eng. & Systems 2022-09-13 Mohamed Fadul , Donald Reising , T. Daniel Loveless , Abdul Ofoli

Living in a complex world like ours makes it unacceptable that a practical implementation of a machine learning system assumes a closed world. Therefore, it is necessary for such a learning-based system in a real world environment, to be…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Jens Bayer , David Münch , Michael Arens

Automatic optical inspection (AOI) plays a pivotal role in the manufacturing process, predominantly leveraging high-resolution imaging instruments for scanning purposes. It detects anomalies by analyzing image textures or patterns, making…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Chun-Hung Sun , Kuang-Ming Wu

Physical unclonable functions (PUF) in silicon exploit die-to-die manufacturing variations during fabrication for uniquely identifying each die. Since it is practically a hard problem to recreate exact silicon features across dies, a…

Cryptography and Security · Computer Science 2018-05-07 Baibhab Chatterjee , Debayan Das , Shreyas Sen

The identification of the devices from which a message is received is part of security mechanisms to ensure authentication in wireless communications. Conventional authentication approaches are cryptography-based, which, however, are…

Cryptography and Security · Computer Science 2025-06-12 Junqing Zhang , Francesco Ardizzon , Mattia Piana , Guanxiong Shen , Stefano Tomasin

State-of-the-art Object Detection (OD) methods predominantly operate under a closed-world assumption, where test-time categories match those encountered during training. However, detecting and localizing unknown objects is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Daniel Montoya , Aymen Bouguerra , Alexandra Gomez-Villa , Fabio Arnez

The proliferation of the Internet of Things (IoT) has introduced a massive influx of devices into the market, bringing with them significant security vulnerabilities. In this diverse ecosystem, robust IoT device identification is a critical…

Cryptography and Security · Computer Science 2026-01-28 Kahraman Kostas

The randomness and uniqueness of human eye patterns is a major breakthrough in the search for quicker, easier and highly reliable forms of automatic human identification. It is being used extensively in security solutions. This includes…

Computer Vision and Pattern Recognition · Computer Science 2014-01-22 Mohamed A. El-Sayed , Mohamed A. Khafagy

Activation functions are what make deep networks expressive: without them, the model collapses to a linear map. Yet we still evaluate training mostly from the outside, through loss, accuracy, return, or final calibration, while the internal…

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