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Related papers: Delving into Decision-based Black-box Attacks on S…

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Nowadays, Deep learning techniques show dramatic performance on computer vision area, and they even outperform human. But it is also vulnerable to some small perturbation called an adversarial attack. This is a problem combined with the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Seungju Cho , Tae Joon Jun , Byungsoo Oh , Daeyoung Kim

We investigate a principle way to progressively mine discriminative object regions using classification networks to address the weakly-supervised semantic segmentation problems. Classification networks are only responsive to small and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Yunchao Wei , Jiashi Feng , Xiaodan Liang , Ming-Ming Cheng , Yao Zhao , Shuicheng Yan

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…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Arjhun Swaminathan , Mete Akgün

We study an important and challenging task of attacking natural language processing models in a hard label black box setting. We propose a decision-based attack strategy that crafts high quality adversarial examples on text classification…

Computation and Language · Computer Science 2021-04-30 Rishabh Maheshwary , Saket Maheshwary , Vikram Pudi

Existing black-box attacks on deep neural networks (DNNs) so far have largely focused on transferability, where an adversarial instance generated for a locally trained model can "transfer" to attack other learning models. In this paper, we…

Machine Learning · Computer Science 2017-12-29 Arjun Nitin Bhagoji , Warren He , Bo Li , Dawn Song

Diffusion Language Models (DLMs) represent a promising alternative to autoregressive language models, using bidirectional masked token prediction. Yet their susceptibility to privacy leakage via Membership Inference Attacks (MIA) remains…

Machine Learning · Computer Science 2026-02-10 Yuetian Chen , Kaiyuan Zhang , Yuntao Du , Edoardo Stoppa , Charles Fleming , Ashish Kundu , Bruno Ribeiro , Ninghui Li

We focus on Unsupervised Domain Adaptation (UDA) for the task of semantic segmentation. Recently, adversarial alignment has been widely adopted to match the marginal distribution of feature representations across two domains globally.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Jihan Yang , Ruijia Xu , Ruiyu Li , Xiaojuan Qi , Xiaoyong Shen , Guanbin Li , Liang Lin

Fooling deep neural networks (DNNs) with the black-box optimization has become a popular adversarial attack fashion, as the structural prior knowledge of DNNs is always unknown. Nevertheless, recent black-box adversarial attacks may…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Jie Wang , Zhaoxia Yin , Jing Jiang , Yang Du

We study the problem of efficient semantic segmentation of large-scale 3D point clouds. By relying on expensive sampling techniques or computationally heavy pre/post-processing steps, most existing approaches are only able to be trained and…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Qingyong Hu , Bo Yang , Linhai Xie , Stefano Rosa , Yulan Guo , Zhihua Wang , Niki Trigoni , Andrew Markham

Semantic segmentation is a task that traditionally requires a large dataset of pixel-level ground truth labels, which is time-consuming and expensive to obtain. Recent advancements in the weakly-supervised setting show that reasonable…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Erik Stammes , Tom F. H. Runia , Michael Hofmann , Mohsen Ghafoorian

We consider adversarial examples for image classification in the black-box decision-based setting. Here, an attacker cannot access confidence scores, but only the final label. Most attacks for this scenario are either unreliable or…

Machine Learning · Statistics 2021-04-30 Thomas Brunner , Frederik Diehl , Michael Truong Le , Alois Knoll

Automatic speech recognition (ASR) systems are known to be vulnerable to adversarial attacks. This paper addresses detection and defence against targeted white-box attacks on speech signals for ASR systems. While existing work has utilised…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-13 Nikolai L. Kühne , Astrid H. F. Kitchen , Marie S. Jensen , Mikkel S. L. Brøndt , Martin Gonzalez , Christophe Biscio , Zheng-Hua Tan

Semantic segmentation plays an important role in intelligent vehicles, providing pixel-level semantic information about the environment. However, the labeling budget is expensive and time-consuming when semantic segmentation model is…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Weihao Yan , Yeqiang Qian , Yueyuan Li , Tao Li , Chunxiang Wang , Ming Yang

Robustness of huge Transformer-based models for natural language processing is an important issue due to their capabilities and wide adoption. One way to understand and improve robustness of these models is an exploration of an adversarial…

Large Language Models (LLMs) increasingly employ alignment techniques to prevent harmful outputs. Despite these safeguards, attackers can circumvent them by crafting adversarial prompts. Predominant token-level optimization methods…

Computation and Language · Computer Science 2026-05-12 Jiawei Lian , Jianhong Pan , Lefan Wang , Yi Wang , Tairan Huang , Shaohui Mei , Lap-Pui Chau

Hard-label black-box attacks, relying solely on top-1 predictions, represent one of the most challenging yet practically threat models. Despite recent progress, existing approaches face two key limitations: (1) they overlook the critical…

Machine Learning · Computer Science 2026-05-25 Jun Liu , Leo Yu Zhang , Fengpeng Li , Isao Echizen , Jiantao Zhou

Deep recognition models are widely vulnerable to adversarial examples, which change the model output by adding quasi-imperceptible perturbation to the image input. Recently, Segment Anything Model (SAM) has emerged to become a popular…

Computer Vision and Pattern Recognition · Computer Science 2024-02-29 Sheng Zheng , Chaoning Zhang , Xinhong Hao

Semantic segmentation models have reached remarkable performance across various tasks. However, this performance is achieved with extremely large models, using powerful computational resources and without considering training and inference…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Antonio Tavera , Carlo Masone , Barbara Caputo

Deep learning models are used in safety-critical tasks such as automated driving and face recognition. However, small perturbations in the model input can significantly change the predictions. Adversarial attacks are used to identify small…

Cryptography and Security · Computer Science 2025-12-03 Issa Oe , Keiichiro Yamamura , Hiroki Ishikura , Ryo Hamahira , Katsuki Fujisawa

SentiNet is a novel detection framework for localized universal attacks on neural networks. These attacks restrict adversarial noise to contiguous portions of an image and are reusable with different images -- constraints that prove useful…

Cryptography and Security · Computer Science 2020-05-12 Edward Chou , Florian Tramèr , Giancarlo Pellegrino