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相关论文: PointACL:Adversarial Contrastive Learning for Robu…

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Recent work has shown that, when integrated with adversarial training, self-supervised pre-training can lead to state-of-the-art robustness In this work, we improve robustness-aware self-supervised pre-training by learning representations…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Ziyu Jiang , Tianlong Chen , Ting Chen , Zhangyang Wang

Recently Transformer-based models have advanced point cloud understanding by leveraging self-attention mechanisms, however, these methods often overlook latent information in less prominent regions, leading to increased sensitivity to…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Yi Wang , Jiaze Wang , Ziyu Guo , Renrui Zhang , Donghao Zhou , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Notwithstanding the prominent performance achieved in various applications, point cloud recognition models have often suffered from natural corruptions and adversarial perturbations. In this paper, we delve into boosting the general…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Qidong Huang , Xiaoyi Dong , Dongdong Chen , Hang Zhou , Weiming Zhang , Kui Zhang , Gang Hua , Nenghai Yu

Contrastive learning (CL) can learn generalizable feature representations and achieve the state-of-the-art performance of downstream tasks by finetuning a linear classifier on top of it. However, as adversarial robustness becomes vital in…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Lijie Fan , Sijia Liu , Pin-Yu Chen , Gaoyuan Zhang , Chuang Gan

Contrastive learning (CL) has recently emerged as an effective approach to learning representation in a range of downstream tasks. Central to this approach is the selection of positive (similar) and negative (dissimilar) sets to provide the…

机器学习 · 计算机科学 2021-10-25 Anh Bui , Trung Le , He Zhao , Paul Montague , Seyit Camtepe , Dinh Phung

Adversarial contrastive learning (ACL) does not require expensive data annotations but outputs a robust representation that withstands adversarial attacks and also generalizes to a wide range of downstream tasks. However, ACL needs…

机器学习 · 计算机科学 2023-10-27 Xilie Xu , Jingfeng Zhang , Feng Liu , Masashi Sugiyama , Mohan Kankanhalli

For years, adversarial training has been extensively studied in natural language processing (NLP) settings. The main goal is to make models robust so that similar inputs derive in semantically similar outcomes, which is not a trivial…

计算与语言 · 计算机科学 2021-09-21 Daniela N. Rim , DongNyeong Heo , Heeyoul Choi

Contrastive Learning first extracts features from unlabeled data, followed by linear probing with labeled data. Adversarial Contrastive Learning (ACL) integrates Adversarial Training into the first phase to enhance feature robustness…

机器学习 · 计算机科学 2025-10-28 Ngoc N. Tran , Lam Tran , Hoang Phan , Anh Bui , Tung Pham , Toan Tran , Dinh Phung , Trung Le

Adversarial training (AT) for robust representation learning and self-supervised learning (SSL) for unsupervised representation learning are two active research fields. Integrating AT into SSL, multiple prior works have accomplished a…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Chaoning Zhang , Kang Zhang , Chenshuang Zhang , Axi Niu , Jiu Feng , Chang D. Yoo , In So Kweon

Model quantization is critical for deploying large language models (LLMs) on resource-constrained hardware, yet recent work has revealed severe security risks that benign LLMs in full precision may exhibit malicious behaviors after…

密码学与安全 · 计算机科学 2026-01-07 Dinghong Song , Zhiwei Xu , Hai Wan , Xibin Zhao , Pengfei Su , Dong Li

Deep neural networks (DNNs) have achieved remarkable success in computer vision tasks such as image classification, segmentation, and object detection. However, they are vulnerable to adversarial attacks, which can cause incorrect…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Suklav Ghosh , Sonal Kumar , Arijit Sur

In this paper, we introduce a novel neural network training framework that increases model's adversarial robustness to adversarial attacks while maintaining high clean accuracy by combining contrastive learning (CL) with adversarial…

机器学习 · 计算机科学 2022-09-13 Adir Rahamim , Itay Naeh

Adversarial continual learning is effective for continual learning problems because of the presence of feature alignment process generating task-invariant features having low susceptibility to the catastrophic forgetting problem.…

机器学习 · 计算机科学 2022-09-07 Tanmoy Dam , Mahardhika Pratama , MD Meftahul Ferdaus , Sreenatha Anavatti , Hussein Abbas

Deep Neural Networks (DNNs) for 3D point cloud recognition are vulnerable to adversarial examples, threatening their practical deployment. Despite the many research endeavors have been made to tackle this issue in recent years, the…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Qiufan Ji , Lin Wang , Cong Shi , Shengshan Hu , Yingying Chen , Lichao Sun

Graph contrastive learning (GCL) has emerged as a pivotal technique in the domain of graph representation learning. A crucial aspect of effective GCL is the caliber of generated positive and negative samples, which is intrinsically dictated…

机器学习 · 计算机科学 2024-02-19 Xinjian Zhao , Liang Zhang , Yang Liu , Ruocheng Guo , Xiangyu Zhao

With recent developments of convolutional neural networks, deep learning for 3D point clouds has shown significant progress in various 3D scene understanding tasks, e.g., object recognition, semantic segmentation. In a safety-critical…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Jaeyeon Kim , Binh-Son Hua , Duc Thanh Nguyen , Sai-Kit Yeung

Contrastive learning is a representation learning method performed by contrasting a sample to other similar samples so that they are brought closely together, forming clusters in the feature space. The learning process is typically…

机器学习 · 计算机科学 2022-09-28 Valentino Vito , Lim Yohanes Stefanus

Deep learning has successfully solved a wide range of tasks in 2D vision as a dominant AI technique. Recently, deep learning on 3D point clouds is becoming increasingly popular for addressing various tasks in this field. Despite remarkable…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Hanieh Naderi , Ivan V. Bajić

Contrastive learning (CL) has recently been applied to adversarial learning tasks. Such practice considers adversarial samples as additional positive views of an instance, and by maximizing their agreements with each other, yields better…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Qiying Yu , Jieming Lou , Xianyuan Zhan , Qizhang Li , Wangmeng Zuo , Yang Liu , Jingjing Liu

We introduce the "adversarial code learning" (ACL) module that improves overall image generation performance to several types of deep models. Instead of performing a posterior distribution modeling in the pixel spaces of generators, ACLs…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Jiangbo Yuan , Bing Wu , Wanying Ding , Qing Ping , Zhendong Yu
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