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Protecting image manipulation detectors against perfect knowledge attacks requires the adoption of detector architectures which are intrinsically difficult to attack. In this paper, we do so, by exploiting a recently proposed…

Cryptography and Security · Computer Science 2019-11-12 Mauro Barni , Ehsan Nowroozi , Benedetta Tondi

Deep neural networks (DNN) have shown great success in many computer vision applications. However, they are also known to be susceptible to backdoor attacks. When conducting backdoor attacks, most of the existing approaches assume that the…

Cryptography and Security · Computer Science 2020-09-16 Haoliang Li , Yufei Wang , Xiaofei Xie , Yang Liu , Shiqi Wang , Renjie Wan , Lap-Pui Chau , Alex C. Kot

Data protection methods like cryptography, despite being effective, inadvertently signal the presence of secret communication, thereby drawing undue attention. Here, we introduce an optical information hiding camera integrated with an…

Optics · Physics 2024-06-13 Bijie Bai , Ryan Lee , Yuhang Li , Tianyi Gan , Yuntian Wang , Mona Jarrahi , Aydogan Ozcan

We introduce a novel approach to counter adversarial attacks, namely, image resampling. Image resampling transforms a discrete image into a new one, simulating the process of scene recapturing or rerendering as specified by a geometrical…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Yue Cao , Tianlin Li , Xiaofeng Cao , Ivor Tsang , Yang Liu , Qing Guo

In 2018, clinics and hospitals were hit with numerous attacks leading to significant data breaches and interruptions in medical services. An attacker with access to medical records can do much more than hold the data for ransom or sell it…

Cryptography and Security · Computer Science 2019-06-07 Yisroel Mirsky , Tom Mahler , Ilan Shelef , Yuval Elovici

Insider threats are costly, hard to detect, and unfortunately rising in occurrence. Seeking to improve detection of such threats, we develop novel techniques to enable us to extract powerful features and augment attack vectors for greater…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Sameer Khanna

We present a controllable camera simulator based on deep neural networks to synthesize raw image data under different camera settings, including exposure time, ISO, and aperture. The proposed simulator includes an exposure module that…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Hao Ouyang , Zifan Shi , Chenyang Lei , Ka Lung Law , Qifeng Chen

Small-Signal Stability (SSS) is crucial for the control of power grids. However, False Data Injection (FDI) attacks against SSS can impact the grid stability, hence, the security of SSS needs to be studied. This paper proposes a formal…

Systems and Control · Electrical Eng. & Systems 2022-01-03 Mohamadsaleh Jafari , Mohammad A. Rahman , Sumit Paudyal

Deep neural network (DNN) classifiers are powerful tools that drive a broad spectrum of important applications, from image recognition to autonomous vehicles. Unfortunately, DNNs are known to be vulnerable to adversarial attacks that affect…

Cryptography and Security · Computer Science 2022-08-08 Saikat Majumdar , Mohammad Hossein Samavatian , Kristin Barber , Radu Teodorescu

Sensor systems are extremely popular today and vulnerable to sensor data attacks. Due to possible devastating consequences, counteracting sensor data attacks is an extremely important topic, which has not seen sufficient study. This paper…

Cryptography and Security · Computer Science 2026-01-07 Xubin Fang , Rick S. Blum , Ramesh Bharadwaj , Brian M. Sadler

The penetration of embedded devices in networks that support critical applications has rendered them a lucrative target for attackers and evildoers. However, traditional protection mechanisms may not be supported due to the memory and…

Cryptography and Security · Computer Science 2022-12-13 Ekaterina Miller , Georgios Michail Makrakis , Kurt A. Vedros , Constantinos Kolias , Craig Rieger , Daniel Barbara

It is well known that the performance of deep neural networks (DNNs) is susceptible to subtle interference. So far, camera-based physical adversarial attacks haven't gotten much attention, but it is the vacancy of physical attack. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Chengyin Hu , Weiwen Shi

This paper presents an application of statistical machine learning to the field of watermarking. We propose a new attack model on additive spread-spectrum watermarking systems. The proposed attack is based on Bayesian statistics. We…

Cryptography and Security · Computer Science 2012-06-22 Ivo Shterev , David Dunson

A critical aspect of autonomous vehicles (AVs) is the object detection stage, which is increasingly being performed with sensor fusion models: multimodal 3D object detection models which utilize both 2D RGB image data and 3D data from a…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Won Park , Nan Liu , Qi Alfred Chen , Z. Morley Mao

This work demonstrates a physical attack on a deep learning image classification system using projected light onto a physical scene. Prior work is dominated by techniques for creating adversarial examples which directly manipulate the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Nicole Nichols , Robert Jasper

We find that images contain intrinsic structure that enables the reversal of many adversarial attacks. Attack vectors cause not only image classifiers to fail, but also collaterally disrupt incidental structure in the image. We demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Chengzhi Mao , Mia Chiquier , Hao Wang , Junfeng Yang , Carl Vondrick

Consider a stochastic process being controlled across a communication channel. The control signal that is transmitted across the control channel can be replaced by a malicious attacker. The controller is allowed to implement any arbitrary…

Optimization and Control · Mathematics 2017-04-05 Cheng-Zong Bai , Fabio Pasqualetti , Vijay Gupta

Advancements in diffusion models have enabled effortless image editing via text prompts, raising concerns about image security. Attackers with access to user images can exploit these tools for malicious edits. Recent defenses attempt to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Aniruddha Bala , Rohit Chowdhury , Rohan Jaiswal , Siddharth Roheda

We introduce OPtical ADversarial attack (OPAD). OPAD is an adversarial attack in the physical space aiming to fool image classifiers without physically touching the objects (e.g., moving or painting the objects). The principle of OPAD is to…

Artificial Intelligence · Computer Science 2021-08-17 Abhiram Gnanasambandam , Alex M. Sherman , Stanley H. Chan

Deep neural networks (DNN) have become a common sensing modality in autonomous systems as they allow for semantically perceiving the ambient environment given input images. Nevertheless, DNN models have proven to be vulnerable to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Ramneet Kaur , Yiannis Kantaros , Wenwen Si , James Weimer , Insup Lee
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