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Generating adversarial examples in a black-box setting retains a significant challenge with vast practical application prospects. In particular, existing black-box attacks suffer from the need for excessive queries, as it is non-trivial to…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Jie Li , Rongrong Ji , Hong Liu , Jianzhuang Liu , Bineng Zhong , Cheng Deng , Qi Tian

To improve storage and transmission, images are generally compressed. Vector quantization (VQ) is a popular compression method as it has a high compression ratio that suppresses other compression techniques. Despite this, existing…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Haiju Fan , Xiaona Qin , Shuang Chen , Hubert P. H. Shum , Ming Li

Advanced Patch Attacks (PAs) on object detection in natural images have pointed out the great safety vulnerability in methods based on deep neural networks. However, little attention has been paid to this topic in Optical Remote Sensing…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Xuxiang Sun , Gong Cheng , Lei Pei , Hongda Li , Junwei Han

In web data, product images are central to boosting user engagement and advertising efficacy on e-commerce platforms, yet the intrusive elements such as watermarks and promotional text remain major obstacles to delivering clear and…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Zipeng Guo , Lichen Ma , Xiaolong Fu , Gaojing Zhou , Lan Yang , Yuchen Zhou , Linkai Liu , Yu He , Ximan Liu , Shiping Dong , Jingling Fu , Zhen Chen , Yu Shi , Junshi Huang , Jason Li , Chao Gou

Deep learning models for image classification have become standard tools in recent years. A well known vulnerability of these models is their susceptibility to adversarial examples. These are generated by slightly altering an image of a…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Haim Fisher , Moni Shahar , Yehezkel S. Resheff

Deep neural networks for image classification remain vulnerable to adversarial examples -- small, imperceptible perturbations that induce misclassifications. In black-box settings, where only the final prediction is accessible, crafting…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Arjhun Swaminathan , Mete Akgün

Nowadays, general object detectors like YOLO and Faster R-CNN as well as their variants are widely exploited in many applications. Many works have revealed that these detectors are extremely vulnerable to adversarial patch attacks. The…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Hao Huang , Yongtao Wang , Zhaoyu Chen , Zhi Tang , Wenqiang Zhang , Kai-Kuang Ma

While image-to-text models have demonstrated significant advancements in various vision-language tasks, they remain susceptible to adversarial attacks. Existing white-box attacks on image-to-text models require access to the architecture,…

人工智能 · 计算机科学 2024-08-20 Qingyuan Zeng , Zhenzhong Wang , Yiu-ming Cheung , Min Jiang

Note that this paper is superceded by "Black-Box Adversarial Attacks with Limited Queries and Information." Current neural network-based image classifiers are susceptible to adversarial examples, even in the black-box setting, where the…

计算机视觉与模式识别 · 计算机科学 2018-04-09 Andrew Ilyas , Logan Engstrom , Anish Athalye , Jessy Lin

Black box attacks, where adversaries have limited knowledge of the target model, pose a significant threat to machine learning systems. Adversarial examples generated with a substitute model often suffer from limited transferability to the…

机器学习 · 计算机科学 2024-10-22 Bar Avraham , Yisroel Mirsky

We propose a new adversarial attack to Deep Neural Networks for image classification. Different from most existing attacks that directly perturb input pixels, our attack focuses on perturbing abstract features, more specifically, features…

机器学习 · 计算机科学 2020-12-17 Qiuling Xu , Guanhong Tao , Siyuan Cheng , Xiangyu Zhang

Adversarial patch-based attacks aim to fool a neural network with an intentionally generated noise, which is concentrated in a particular region of an input image. In this work, we perform an in-depth analysis of different patch generation…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Svetlana Pavlitskaya , Jonas Hendl , Sebastian Kleim , Leopold Müller , Fabian Wylczoch , J. Marius Zöllner

Learned image compression (LIC) is becoming more and more popular these years with its high efficiency and outstanding compression quality. Still, the practicality against modified inputs added with specific noise could not be ignored.…

图像与视频处理 · 电气工程与系统科学 2024-03-28 Tianyu Zhu , Heming Sun , Xiankui Xiong , Xuanpeng Zhu , Yong Gong , Minge jing , Yibo Fan

No-Reference Video Quality Assessment (NR-VQA) plays an essential role in improving the viewing experience of end-users. Driven by deep learning, recent NR-VQA models based on Convolutional Neural Networks (CNNs) and Transformers have…

计算机视觉与模式识别 · 计算机科学 2023-10-23 Ao-Xiang Zhang , Yu Ran , Weixuan Tang , Yuan-Gen Wang

We study black-box adversarial attacks for image classifiers in a constrained threat model, where adversaries can only modify a small fraction of pixels in the form of scratches on an image. We show that it is possible for adversaries to…

神经与进化计算 · 计算机科学 2020-08-07 Malhar Jere , Loris Rossi , Briland Hitaj , Gabriela Ciocarlie , Giacomo Boracchi , Farinaz Koushanfar

Due to data dependency and model leakage properties, Deep Neural Networks (DNNs) exhibit several security vulnerabilities. Several security attacks exploited them but most of them require the output probability vector. These attacks can be…

密码学与安全 · 计算机科学 2019-02-01 Faiq Khalid , Hassan Ali , Muhammad Abdullah Hanif , Semeen Rehman , Rehan Ahmed , Muhammad Shafique

Despite extensive research into adversarial attacks, we do not know how adversarial attacks affect image pixels. Knowing how image pixels are affected by adversarial attacks has the potential to lead us to better adversarial defenses.…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Blerta Lindqvist

This paper proposes a novel Attention-based Multi-Reference Super-resolution network (AMRSR) that, given a low-resolution image, learns to adaptively transfer the most similar texture from multiple reference images to the super-resolution…

计算机视觉与模式识别 · 计算机科学 2021-09-01 Marco Pesavento , Marco Volino , Adrian Hilton

Adversarial examples have revealed the vulnerability of deep learning models and raised serious concerns about information security. The transfer-based attack is a hot topic in black-box attacks that are practical to real-world scenarios…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Jian-Wei Li , Wen-Ze Shao

This study provides a new understanding of the adversarial attack problem by examining the correlation between adversarial attack and visual attention change. In particular, we observed that: (1) images with incomplete attention regions are…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Shangxi Wu , Jitao Sang , Kaiyuan Xu , Jiaming Zhang , Jian Yu