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Deep learning and convolutional neural networks allow achieving impressive performance in computer vision tasks, such as object detection and semantic segmentation (SS). However, recent studies have shown evident weaknesses of such models…

Computer Vision and Pattern Recognition · Computer Science 2021-08-16 Federico Nesti , Giulio Rossolini , Saasha Nair , Alessandro Biondi , Giorgio Buttazzo

This paper proposes a novel out-of-distribution (OOD) detection framework named MoodCat for image classifiers. MoodCat masks a random portion of the input image and uses a generative model to synthesize the masked image to a new image…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Yijun Yang , Ruiyuan Gao , Qiang Xu

Machine Learning is becoming a pivotal aspect of many systems today, offering newfound performance on classification and prediction tasks, but this rapid integration also comes with new unforeseen vulnerabilities. To harden these systems…

Cryptography and Security · Computer Science 2022-02-22 Ahmed Abdou , Ryan Sheatsley , Yohan Beugin , Tyler Shipp , Patrick McDaniel

Prompt quality plays a critical role in the performance of the Segment Anything Model (SAM), yet existing approaches often rely on heuristic or manually crafted prompts, limiting scalability and generalization. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Xueyu Liu , Xiaoyi Zhang , Guangze Shi , Meilin Liu , Yexin Lai , Yongfei Wu , Mingqiang Wei

LiDAR-based segmentation is essential for reliable perception in autonomous vehicles, yet modern segmentation networks are highly susceptible to adversarial attacks that can compromise safety. Most existing defenses are designed for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Alexandros Gkillas , Ioulia Kapsali , Nikos Piperigkos , Aris S. Lalos

Adversarial examples present significant challenges to the security of Deep Neural Network (DNN) applications. Specifically, there are patch-based and texture-based attacks that are usually used to craft physical-world adversarial examples,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Wei Zhang , Xinyu Chang , Xiao Li , Yiming Zhu , Xiaolin Hu

Recent advances in single-frame object detection and segmentation techniques have motivated a wide range of works to extend these methods to process video streams. In this paper, we explore the idea of hard attention aimed for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Yuning Chai

Deep learning-based object detection has become ubiquitous in the last decade due to its high accuracy in many real-world applications. With this growing trend, these models are interested in being attacked by adversaries, with most of the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Pham Phuc , Son Vuong , Khang Nguyen , Tuan Dang

Adversarial patch attacks inject localized perturbations into images to mislead deep vision models. These attacks can be physically deployed, posing serious risks to real-world applications. In this paper, we propose CertMask, a certifiably…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Xuntao Lyu , Ching-Chi Lin , Abdullah Al Arafat , Georg von der Brüggen , Jian-Jia Chen , Zhishan Guo

Modern object detectors are vulnerable to adversarial examples, which brings potential risks to numerous applications, e.g., self-driving car. Among attacks regularized by $\ell_p$ norm, $\ell_0$-attack aims to modify as few pixels as…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Yichi Zhang , Zijian Zhu , Xiao Yang , Jun Zhu

Deep learning-based malware detection systems are vulnerable to adversarial EXEmples - carefully-crafted malicious programs that evade detection with minimal perturbation. As such, the community is dedicating effort to develop mechanisms to…

Cryptography and Security · Computer Science 2024-05-02 Daniel Gibert , Luca Demetrio , Giulio Zizzo , Quan Le , Jordi Planes , Battista Biggio

Neural Networks are infamously sensitive to small perturbations in their inputs, making them vulnerable to adversarial attacks. This project evaluates the performance of Denoising Diffusion Probabilistic Models (DDPM) as a purification…

Machine Learning · Computer Science 2023-01-18 Lars Lien Ankile , Anna Midgley , Sebastian Weisshaar

This paper presents a robust tracking approach to handle challenges such as occlusion and appearance change. Here, the target is partitioned into a number of patches. Then, the appearance of each patch is modeled using a dictionary composed…

Computer Vision and Pattern Recognition · Computer Science 2015-06-18 Ali Zarezade , Hamid R. Rabiee , Ali Soltani-Farani , Ahmad Khajenezhad

Object detection, as a fundamental computer vision task, has achieved a remarkable progress with the emergence of deep neural networks. Nevertheless, few works explore the adversarial robustness of object detectors to resist adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Ziyi Dong , Pengxu Wei , Liang Lin

Nowadays, the susceptibility of deep neural networks (DNNs) has garnered significant attention. Researchers are exploring patch-based physical attacks, yet traditional approaches, while effective, often result in conspicuous patches…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Kalibinuer Tiliwalidi

The widespread use of deep learning technology across various industries has made deep neural network models highly valuable and, as a result, attractive targets for potential attackers. Model extraction attacks, particularly query-based…

Cryptography and Security · Computer Science 2023-12-25 Zeyu Li , Chenghui Shi , Yuwen Pu , Xuhong Zhang , Yu Li , Jinbao Li , Shouling Ji

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

Adversarial attacks pose a significant threat to the robustness and reliability of machine learning systems, particularly in computer vision applications. This study investigates the performance of adversarial patches for the YOLO object…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Jakob Shack , Katarina Petrovic , Olga Saukh

Recently proliferated semantic communications (SC) aim at effectively transmitting the semantics conveyed by the source and accurately interpreting the meaning at the destination. While such a paradigm holds the promise of making wireless…

Cryptography and Security · Computer Science 2023-09-06 Xinghan Liu , Guoshun Nan , Qimei Cui , Zeju Li , Peiyuan Liu , Zebin Xing , Hanqing Mu , Xiaofeng Tao , Tony Q. S. Quek

Deep neural networks, although shown to be a successful class of machine learning algorithms, are known to be extremely unstable to adversarial perturbations. Improving the robustness of neural networks against these attacks is important,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-29 Seyed-Mohsen Moosavi-Dezfooli , Ashish Shrivastava , Oncel Tuzel