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Related papers: Hard-Label Black-Box Attacks on 3D Point Clouds

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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

Recently, point clouds have been widely used in computer vision, whereas their collection is time-consuming and expensive. As such, point cloud datasets are the valuable intellectual property of their owners and deserve protection. To…

Cryptography and Security · Computer Science 2024-11-05 Cheng Wei , Yang Wang , Kuofeng Gao , Shuo Shao , Yiming Li , Zhibo Wang , Zhan Qin

While modern day web applications aim to create impact at the civilization level, they have become vulnerable to adversarial activity, where the next cyber-attack can take any shape and can originate from anywhere. The increasing scale and…

Machine Learning · Statistics 2018-03-28 Tegjyot Singh Sethi , Mehmed Kantardzic

Trajectory prediction systems are critical for autonomous vehicle safety, yet remain vulnerable to adversarial attacks that can cause catastrophic traffic behavior misinterpretations. Existing attack methods require white-box access with…

Robotics · Computer Science 2026-03-30 Jiaxiang Li , Jun Yan , Daniel Watzenig , Huilin Yin

Being an emerging class of in-memory computing architecture, brain-inspired hyperdimensional computing (HDC) mimics brain cognition and leverages random hypervectors (i.e., vectors with a dimensionality of thousands or even more) to…

Machine Learning · Computer Science 2020-06-11 Fangfang Yang , Shaolei Ren

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Chenxi Xiao , Juan Wachs

Neural networks are vulnerable to adversarial examples, malicious inputs crafted to fool trained models. Adversarial examples often exhibit black-box transfer, meaning that adversarial examples for one model can fool another model. However,…

Machine Learning · Computer Science 2020-03-02 Qian Huang , Isay Katsman , Horace He , Zeqi Gu , Serge Belongie , Ser-Nam Lim

Recent developments and the beginning market introduction of high-resolution imaging 4D (3+1D) radar sensors have initialized deep learning-based radar perception research. We investigate deep learning-based models operating on radar point…

Robotics · Computer Science 2023-08-11 Patrick Palmer , Martin Krueger , Richard Altendorfer , Ganesh Adam , Torsten Bertram

The advent of deep neural networks has led to remarkable progress in 3D point cloud recognition, but they remain vulnerable to adversarial attacks. Although various defense methods have been studied, they suffer from a trade-off between…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Geunyoung Jung , Soohong Kim , Inseok Kong , Jiyoung Jung

The image-based 3D object detection task expects that the predicted 3D bounding box has a ``tightness'' projection (also referred to as cuboid), which fits the object contour well on the image while still keeping the geometric attribute on…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Jieqi Shi , Peiliang Li , Xiaozhi Chen , Shaojie Shen

We present a novel active learning framework for 3D point cloud semantic segmentation that, for the first time, integrates large language models (LLMs) to construct hierarchical label structures and guide uncertainty-based sample selection.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Chenxi Li , Nuo Chen , Fengyun Tan , Yantong Chen , Bochun Yuan , Tianrui Li , Chongshou Li

In this work, we study the black-box targeted attack problem from the model discrepancy perspective. On the theoretical side, we present a generalization error bound for black-box targeted attacks, which gives a rigorous theoretical…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Anqi Zhao , Tong Chu , Yahao Liu , Wen Li , Jingjing Li , Lixin Duan

Learning dense point-wise semantics from unstructured 3D point clouds with fewer labels, although a realistic problem, has been under-explored in literature. While existing weakly supervised methods can effectively learn semantics with only…

Computer Vision and Pattern Recognition · Computer Science 2022-01-11 Yan Liu , Qingyong Hu , Yinjie Lei , Kai Xu , Jonathan Li , Yulan Guo

Deep neural networks (DNNs) have demonstrated remarkable performance in analyzing 3D point cloud data. However, their vulnerability to adversarial attacks-such as point dropping, shifting, and adding-poses a critical challenge to the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Nima Jamali , Matina Mahdizadeh Sani , Hanieh Naderi , Shohreh Kasaei

Clustering algorithms are used in a large number of applications and play an important role in modern machine learning-- yet, adversarial attacks on clustering algorithms seem to be broadly overlooked unlike supervised learning. In this…

Machine Learning · Computer Science 2019-11-19 Anshuman Chhabra , Abhishek Roy , Prasant Mohapatra

Adversarial examples of deep neural networks are receiving ever increasing attention because they help in understanding and reducing the sensitivity to their input. This is natural given the increasing applications of deep neural networks…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Hanwei Zhang , Yannis Avrithis , Teddy Furon , Laurent Amsaleg

3D deep models consuming point clouds have achieved sound application effects in computer vision. However, recent studies have shown they are vulnerable to 3D adversarial point clouds. In this paper, we regard these malicious point clouds…

Multimedia · Computer Science 2023-02-16 Jiahao Zhu , Huajun Zhou , Zixuan Chen , Yi Zhou , Xiaohua Xie

Due to the few annotated labels of 3D point clouds, how to learn discriminative features of point clouds to segment object instances is a challenging problem. In this paper, we propose a simple yet effective 3D instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Linghua Tang , Le Hui , Jin Xie

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,…

Artificial Intelligence · Computer Science 2024-08-20 Qingyuan Zeng , Zhenzhong Wang , Yiu-ming Cheung , Min Jiang

Transfer learning has become a common practice for training deep learning models with limited labeled data in a target domain. On the other hand, deep models are vulnerable to adversarial attacks. Though transfer learning has been widely…

Machine Learning · Computer Science 2020-08-26 Yinghua Zhang , Yangqiu Song , Jian Liang , Kun Bai , Qiang Yang