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Related papers: Generating 3D Adversarial Point Clouds

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In this paper, we introduce a novel conditional generative adversarial network that creates dense 3D point clouds, with color, for assorted classes of objects in an unsupervised manner. To overcome the difficulty of capturing intricate…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Mohammad Samiul Arshad , William J. Beksi

Adversary and invisibility are two fundamental but conflict characters of adversarial perturbations. Previous adversarial attacks on 3D point cloud recognition have often been criticized for their noticeable point outliers, since they just…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Qidong Huang , Xiaoyi Dong , Dongdong Chen , Hang Zhou , Weiming Zhang , Nenghai Yu

Deep neural networks for 3D point cloud understanding have achieved remarkable success in object classification and recognition, yet recent work shows that these models remain highly vulnerable to adversarial perturbations. Existing 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Gayathry Chandramana Krishnan Nampoothiry , Raghuram Venkatapuram , Anirban Ghosh , Ayan Dutta

As the key technology of augmented reality (AR), 3D recognition and tracking are always vulnerable to adversarial examples, which will cause serious security risks to AR systems. Adversarial examples are beneficial to improve the robustness…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Weiquan Liu , Shijun Zheng , Cheng Wang

Generative models can be used to synthesize 3D objects of high quality and diversity. However, there is typically no control over the properties of the generated object.This paper proposes a novel generative adversarial network (GAN) setup…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Larissa T. Triess , Andre Bühler , David Peter , Fabian B. Flohr , J. Marius Zöllner

Point cloud completion, as the upstream procedure of 3D recognition and segmentation, has become an essential part of many tasks such as navigation and scene understanding. While various point cloud completion models have demonstrated their…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Shengshan Hu , Junwei Zhang , Wei Liu , Junhui Hou , Minghui Li , Leo Yu Zhang , Hai Jin , Lichao Sun

Recently, 3D deep learning models have been shown to be susceptible to adversarial attacks like their 2D counterparts. Most of the state-of-the-art (SOTA) 3D adversarial attacks perform perturbation to 3D point clouds. To reproduce these…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Jinlai Zhang , Lyujie Chen , Binbin Liu , Bo Ouyang , Qizhi Xie , Jihong Zhu , Weiming Li , Yanmei Meng

3D Point cloud is becoming a critical data representation in many real-world applications like autonomous driving, robotics, and medical imaging. Although the success of deep learning further accelerates the adoption of 3D point clouds in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jiachen Sun , Weili Nie , Zhiding Yu , Z. Morley Mao , Chaowei Xiao

Deep 3D point cloud models are sensitive to adversarial attacks, which poses threats to safety-critical applications such as autonomous driving. Robust training and defend-by-denoising are typical strategies for defending adversarial…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Kui Zhang , Hang Zhou , Jie Zhang , Qidong Huang , Weiming Zhang , Nenghai Yu

This work presents a generative adversarial architecture for generating three-dimensional shapes based on signed distance representations. While the deep generation of shapes has been mostly tackled by voxel and surface point cloud…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Marian Kleineberg , Matthias Fey , Frank Weichert

Collider data generation with machine learning has become increasingly popular in particle physics due to the high computational cost of conventional Monte Carlo simulations, particularly for future high-luminosity colliders. We propose a…

High Energy Physics - Experiment · Physics 2024-08-12 Benno Käch , Isabell Melzer-Pellmann , Dirk Krücker

In this paper, we propose a novel generative adversarial network (GAN) for 3D point clouds generation, which is called tree-GAN. To achieve state-of-the-art performance for multi-class 3D point cloud generation, a tree-structured graph…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Dong Wook Shu , Sung Woo Park , Junseok Kwon

Point cloud learning has lately attracted increasing attention due to its wide applications in many areas, such as computer vision, autonomous driving, and robotics. As a dominating technique in AI, deep learning has been successfully used…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Yulan Guo , Hanyun Wang , Qingyong Hu , Hao Liu , Li Liu , Mohammed Bennamoun

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

With the proposition of neural networks for point clouds, deep learning has started to shine in the field of 3D object recognition while researchers have shown an increased interest to investigate the reliability of point cloud networks by…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Hanxiao Tan , Helena Kotthaus

We present a novel approach to point set registration which is based on one-shot adversarial learning. The idea of the algorithm is inspired by recent successes of generative adversarial networks. Treating the point clouds as…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Sergei Divakov , Ivan Oseledets

A generative model for high-fidelity point clouds is of great importance in synthesizing 3d environments for applications such as autonomous driving and robotics. Despite the recent success of deep generative models for 2d images, it is…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Cheng Wen , Baosheng Yu , Rao Fu , Dacheng Tao

We propose a method to generate 3D shapes using point clouds. Given a point-cloud representation of a 3D shape, our method builds a kd-tree to spatially partition the points. This orders them consistently across all shapes, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2017-07-21 Matheus Gadelha , Subhransu Maji , Rui Wang

Deep neural networks (DNNs) are vulnerable to adversarial examples that are carefully designed to cause the deep learning model to make mistakes. Adversarial examples of 2D images and 3D point clouds have been extensively studied, but…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Wooju Lee , Hyun Myung

Generating 3D point clouds is challenging yet highly desired. This work presents a novel autoregressive model, PointGrow, which can generate diverse and realistic point cloud samples from scratch or conditioned on semantic contexts. This…

Computer Vision and Pattern Recognition · Computer Science 2019-11-07 Yongbin Sun , Yue Wang , Ziwei Liu , Joshua E. Siegel , Sanjay E. Sarma