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This paper considers a method of coding the sensor outputs in order to detect stealthy false data injection attacks. An intelligent attacker can design a sequence of data injection to sensors and actuators that pass the state estimator and…

Cryptography and Security · Computer Science 2016-11-17 Fei Miao , Quanyan Zhu , Miroslav Pajic , George J. Pappas

CNNs are poised to become integral parts of many critical systems. Despite their robustness to natural variations, image pixel values can be manipulated, via small, carefully crafted, imperceptible perturbations, to cause a model to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

Power side-channel (PSC) attacks are widely used in embedded microcontrollers, particularly in cryptographic applications, to extract sensitive information. However, expanding the applications of PSC attacks to broader security contexts in…

Cryptography and Security · Computer Science 2025-01-09 Pouya Narimani , Meng Wang , Ulysse Planta , Ali Abbasi

Typical deep neural network (DNN) backdoor attacks are based on triggers embedded in inputs. Existing imperceptible triggers are computationally expensive or low in attack success. In this paper, we propose a new backdoor trigger, which is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Yulong Wang , Minghui Zhao , Shenghong Li , Xin Yuan , Wei Ni

Adversarial attacks are small, carefully crafted perturbations, imperceptible to the naked eye; that when added to an image cause deep learning models to misclassify the image with potentially detrimental outcomes. With the rise of…

Computer Vision and Pattern Recognition · Computer Science 2019-07-11 Rohan Reddy Mekala , Gudjon Einar Magnusson , Adam Porter , Mikael Lindvall , Madeline Diep

Many machine learning classifiers are vulnerable to adversarial perturbations. An adversarial perturbation modifies an input to change a classifier's prediction without causing the input to seem substantially different to human perception.…

Machine Learning · Computer Science 2017-03-27 Dan Hendrycks , Kevin Gimpel

Imaging is indispensable for nearly every field of science, engineering, technology, and medicine. However, measurement noise and stochastic distortions pose fundamental limits to accessible spatiotemporal information despite impressive…

Optics · Physics 2023-01-02 Wyatt Adams , Anindya Ghoshroy , Durdu O. Guney

The use of explicit object detectors as an intermediate step to image captioning - which used to constitute an essential stage in early work - is often bypassed in the currently dominant end-to-end approaches, where the language model is…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Josiah Wang , Pranava Madhyastha , Lucia Specia

The usage of digital content (photos and videos) in a variety of applications has increased due to the popularity of multimedia devices. These uses include advertising campaigns, educational resources, and social networking platforms. There…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Muhammad Turab

Deep neural networks (DNNs) have become popular for medical image analysis tasks like cancer diagnosis and lesion detection. However, a recent study demonstrates that medical deep learning systems can be compromised by carefully-engineered…

Computer Vision and Pattern Recognition · Computer Science 2021-07-05 Xingjun Ma , Yuhao Niu , Lin Gu , Yisen Wang , Yitian Zhao , James Bailey , Feng Lu

Recognizing an event in an image can be enhanced by detecting relevant objects in two ways: 1) indirectly utilizing object detection information within the unified architecture or 2) directly making use of the object detection output…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Hyungtae Lee , Sungmin Eum , Heesung Kwon

Digital camera pixels measure image intensities by converting incident light energy into an analog electrical current, and then digitizing it into a fixed-width binary representation. This direct measurement method, while conceptually…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Atul Ingle , Trevor Seets , Mauro Buttafava , Shantanu Gupta , Alberto Tosi , Mohit Gupta , Andreas Velten

Autonomous vehicles increasingly rely on cameras to provide the input for perception and scene understanding and the ability of these models to classify their environment and objects, under adverse conditions and image noise is crucial.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Andreas Papachristodoulou , Christos Kyrkou , Theocharis Theocharides

Deep neural networks (DNNs) have achieved remarkable success in computer vision but remain highly vulnerable to adversarial attacks. Among them, camouflage attacks manipulate an object's visible appearance to deceive detectors while…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Xiao Fang , Yiming Gong , Stanislav Panev , Celso de Melo , Shuowen Hu , Shayok Chakraborty , Fernando De la Torre

Recently, neural network (NN)-based methods, including autoencoders, have been proposed for the detection of cyber attacks targeting industrial control systems (ICSs). Such detectors are often retrained, using data collected during system…

Cryptography and Security · Computer Science 2021-01-01 Moshe Kravchik , Battista Biggio , Asaf Shabtai

This paper considers a constrained discrete-time linear system subject to actuation attacks. The attacks are modelled as false data injections to the system, such that the total input (control input plus injection) satisfies hard input…

Systems and Control · Electrical Eng. & Systems 2019-11-18 P. A. Trodden , J. M. Maestre , H. Ishii

This paper presents a new optical system for detecting light signals associated with the change in incoming photon number. The system employs quantum correlation of photon pairs created via spontaneous parametric down-conversion (SPDC). The…

High Energy Physics - Experiment · Physics 2020-10-27 Phuong Hoang Le , Binh Xuan Cao

CAM-based methods are widely-used post-hoc interpretability method that produce a saliency map to explain the decision of an image classification model. The saliency map highlights the important areas of the image relevant to the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Magamed Taimeskhanov , Ronan Sicre , Damien Garreau

High resolution image sensors require electrical access to each individual pixel for signal readout. Such access is especially challenging for ultra-miniaturized pixels, for heterogeneously integrated sensing and readout layers in…

Iris recognition systems, operating in the near infrared spectrum (NIR), have demonstrated vulnerability to presentation attacks, where an adversary uses artifacts such as cosmetic contact lenses, artificial eyes or printed iris images in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Darshika Jauhari , Renu Sharma , Cunjian Chen , Nelson Sepulveda , Arun Ross