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With the thriving of deep learning in processing point cloud data, recent works show that backdoor attacks pose a severe security threat to 3D vision applications. The attacker injects the backdoor into the 3D model by poisoning a few…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Kuofeng Gao , Jiawang Bai , Baoyuan Wu , Mengxi Ya , Shu-Tao Xia

Despite the fact that DeepFake forgery detection algorithms have achieved impressive performance on known manipulations, they often face disastrous performance degradation when generalized to an unseen manipulation. Some recent works show…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Chuer Yu , Xuhong Zhang , Yuxuan Duan , Senbo Yan , Zonghui Wang , Yang Xiang , Shouling Ji , Wenzhi Chen

While text-to-image diffusion models demonstrate impressive generation capabilities, they also exhibit vulnerability to backdoor attacks, which involve the manipulation of model outputs through malicious triggers. In this paper, for the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Zhongqi Wang , Jie Zhang , Shiguang Shan , Xilin Chen

In the ever-evolving adversarial machine learning landscape, developing effective defenses against patch attacks has become a critical challenge, necessitating reliable solutions to safeguard real-world AI systems. Although diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Jia Fu , Xiao Zhang , Sepideh Pashami , Fatemeh Rahimian , Anders Holst

Federated learning (FL) naturally faces the problem of data heterogeneity in real-world scenarios, but this is often overlooked by studies on FL security and privacy. On the one hand, the effectiveness of backdoor attacks on FL may drop…

Machine Learning · Computer Science 2023-06-16 Haochen Mei , Gaolei Li , Jun Wu , Longfei Zheng

Multimodal Diffusion Language Models (MDLMs) have recently emerged as a competitive alternative to their autoregressive counterparts. Yet their vulnerability to backdoor attacks remains largely unexplored. In this work, we show that…

Cryptography and Security · Computer Science 2026-02-27 Guangnian Wan , Qi Li , Gongfan Fang , Xinyin Ma , Xinchao Wang

Backdoor attacks have been well-studied in visible light object detection (VLOD) in recent years. However, VLOD can not effectively work in dark and temperature-sensitive scenarios. Instead, thermal infrared object detection (TIOD) is the…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wen Yin , Jian Lou , Pan Zhou , Yulai Xie , Dan Feng , Yuhua Sun , Tailai Zhang , Lichao Sun

The rapid progress of graph generation has raised new security concerns, particularly regarding backdoor vulnerabilities. Though prior work has explored backdoor attacks against diffusion models for image or unconditional graph generation,…

Machine Learning · Computer Science 2026-04-24 Liang Ye , Shengqin Chen , Jiazhu Dai

Crowd counting is a regression task that estimates the number of people in a scene image, which plays a vital role in a range of safety-critical applications, such as video surveillance, traffic monitoring and flow control. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Yuhua Sun , Tailai Zhang , Xingjun Ma , Pan Zhou , Jian Lou , Zichuan Xu , Xing Di , Yu Cheng , Lichao

3D object detection plays an important role in autonomous driving; however, its vulnerability to backdoor attacks has become evident. By injecting ''triggers'' to poison the training dataset, backdoor attacks manipulate the detector's…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Saket S. Chaturvedi , Lan Zhang , Wenbin Zhang , Pan He , Xiaoyong Yuan

Person re-identification (Re-ID) often faces challenges due to variations in human poses and camera viewpoints, which significantly affect the appearance of individuals across images. Existing datasets frequently lack diversity and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Inès Hyeonsu Kim , Woojeong Jin , Soowon Son , Junyoung Seo , Seokju Cho , JeongYeol Baek , Byeongwon Lee , JoungBin Lee , Seungryong Kim

Deep neural networks (DNNs) are vulnerable to backdoor attacks, where the adversary manipulates a small portion of training data such that the victim model predicts normally on the benign samples but classifies the triggered samples as the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Yinghua Gao , Yiming Li , Xueluan Gong , Zhifeng Li , Shu-Tao Xia , Qian Wang

Deep learning models have achieved high performance on many tasks, and thus have been applied to many security-critical scenarios. For example, deep learning-based face recognition systems have been used to authenticate users to access many…

Cryptography and Security · Computer Science 2017-12-18 Xinyun Chen , Chang Liu , Bo Li , Kimberly Lu , Dawn Song

Denoising diffusion models hold great promise for generating diverse and realistic human motions. However, existing motion diffusion models largely disregard the laws of physics in the diffusion process and often generate…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Ye Yuan , Jiaming Song , Umar Iqbal , Arash Vahdat , Jan Kautz

With the proliferation of deepfake audio, there is an urgent need to investigate their attribution. Current source tracing methods can effectively distinguish in-distribution (ID) categories. However, the rapid evolution of deepfake…

Sound · Computer Science 2024-06-11 Yuankun Xie , Ruibo Fu , Zhengqi Wen , Zhiyong Wang , Xiaopeng Wang , Haonnan Cheng , Long Ye , Jianhua Tao

Recent advancements in deep learning-based compression techniques have surpassed traditional methods. However, deep neural networks remain vulnerable to backdoor attacks, where pre-defined triggers induce malicious behaviors. This paper…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Yi Yu , Yufei Wang , Wenhan Yang , Lanqing Guo , Shijian Lu , Ling-Yu Duan , Yap-Peng Tan , Alex C. Kot

In this paper, we propose a diffusion-based face swapping framework for the first time, called DiffFace, composed of training ID conditional DDPM, sampling with facial guidance, and a target-preserving blending. In specific, in the training…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Kihong Kim , Yunho Kim , Seokju Cho , Junyoung Seo , Jisu Nam , Kychul Lee , Seungryong Kim , KwangHee Lee

Federated learning, while being a promising approach for collaborative model training, is susceptible to backdoor attacks due to its decentralized nature. Backdoor attacks have shown remarkable stealthiness, as they compromise model…

Machine Learning · Computer Science 2026-04-10 Zhengyuan Jiang , Xingyu Lyu , Shanghao Shi , Yang Xiao , Yimin Chen , Y. Thomas Hou , Wenjing Lou , Ning Wanga

The rapid advancement of generative image models has transformed digital media to the point where AI generated images can no longer be reliably distinguished from authentic photographs by human observers or many conventional detection…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Mohd Ruhul Ameen , Akif Islam

Object detection models deployed in real-world applications such as autonomous driving face serious threats from backdoor attacks. Despite their practical effectiveness,existing methods are inherently limited in both capability and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Shuxin Zhao , Bo Lang , Nan Xiao , Yilang Zhang