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Related papers: Consistent Semantic Attacks on Optical Flow

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Machine learning (ML) models are known to be vulnerable to a number of attacks that target the integrity of their predictions or the privacy of their training data. To carry out these attacks, a black-box adversary must typically possess…

Cryptography and Security · Computer Science 2023-09-06 Dudi Biton , Aditi Misra , Efrat Levy , Jaidip Kotak , Ron Bitton , Roei Schuster , Nicolas Papernot , Yuval Elovici , Ben Nassi

Unconditional flow-matching trains diffusion models to transport samples from a source distribution to a target distribution by enforcing that the flows between sample pairs are unique. However, in conditional settings (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 George Stoica , Vivek Ramanujan , Xiang Fan , Ali Farhadi , Ranjay Krishna , Judy Hoffman

Machine learning is increasingly used in security-critical applications, such as autonomous driving, face recognition and malware detection. Most learning methods, however, have not been designed with security in mind and thus are…

Cryptography and Security · Computer Science 2017-03-17 Erwin Quiring , Daniel Arp , Konrad Rieck

We propose to generate adversarial samples by modifying activations of upper layers encoding semantically meaningful concepts. The original sample is shifted towards a target sample, yielding an adversarial sample, by using the modified…

Machine Learning · Computer Science 2022-03-22 Johannes Schneider , Giovanni Apruzzese

Graph neural networks, a popular class of models effective in a wide range of graph-based learning tasks, have been shown to be vulnerable to adversarial attacks. While the majority of the literature focuses on such vulnerability in…

Machine Learning · Statistics 2021-11-05 Xingchen Wan , Henry Kenlay , Binxin Ru , Arno Blaas , Michael A. Osborne , Xiaowen Dong

There is an increasing interest in analyzing the behavior of machine learning systems against adversarial attacks. However, most of the research in adversarial machine learning has focused on studying weaknesses against evasion or poisoning…

Machine Learning · Statistics 2025-06-12 Pablo G. Arce , Roi Naveiro , David Ríos Insua

Unsupervised optical flow estimation is especially hard near occlusions and motion boundaries and in low-texture regions. We show that additional information such as semantics and domain knowledge can help better constrain this problem. We…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Shuai Yuan , Shuzhi Yu , Hannah Kim , Carlo Tomasi

Growing leakage and misuse of visual information raise security and privacy concerns, which promotes the development of information protection. Existing adversarial perturbations-based methods mainly focus on the de-identification against…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Zhigang Su , Dawei Zhou , Nannan Wangu , Decheng Li , Zhen Wang , Xinbo Gao

This paper presents a novel framework for aligning learnable latent spaces to arbitrary target distributions by leveraging flow-based generative models as priors. Our method first pretrains a flow model on the target features to capture the…

Machine Learning · Computer Science 2026-03-17 Yizhuo Li , Yuying Ge , Yixiao Ge , Ying Shan , Ping Luo

Neural networks have been proven to be vulnerable to a variety of adversarial attacks. From a safety perspective, highly sparse adversarial attacks are particularly dangerous. On the other hand the pixelwise perturbations of sparse attacks…

Machine Learning · Computer Science 2019-09-12 Francesco Croce , Matthias Hein

Many word-level adversarial attack approaches for textual data have been proposed in recent studies. However, due to the massive search space consisting of combinations of candidate words, the existing approaches face the problem of…

Computation and Language · Computer Science 2022-11-15 Xingyi Zhao , Lu Zhang , Depeng Xu , Shuhan Yuan

Adversarial machine learning is an emerging area showing the vulnerability of deep learning models. Exploring attack methods to challenge state of the art artificial intelligence (A.I.) models is an area of critical concern. The reliability…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Samet Bayram , Kenneth Barner

Autonomous driving (AD) is evolving towards end-to-end (E2E) frameworks through two primary paradigms: monolithic models exemplified by Vision-Language-Action (VLA), and specialized modular architectures. Despite their divergent designs,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Xinyu Zeng , Xiangkun He , Lei Tao , Chen Lv , Hong Cheng

Advances in machine learning technology have enabled real-time extraction of semantic information in signals which can revolutionize signal processing techniques and improve their performance significantly for the next generation of…

Signal Processing · Electrical Eng. & Systems 2021-09-27 Mert Kalfa , Mehmetcan Gok , Arda Atalik , Busra Tegin , Tolga M. Duman , Orhan Arikan

The diffusion-based adversarial purification methods attempt to drown adversarial perturbations into a part of isotropic noise through the forward process, and then recover the clean images through the reverse process. Due to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Gaozheng Pei , Ke Ma , Yingfei Sun , Qianqian Xu , Qingming Huang

Estimating per-pixel motion between video frames, known as optical flow, is a long-standing problem in video understanding and analysis. Most contemporary optical flow techniques largely focus on addressing the cross-image matching with…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Ao Luo , Fan Yang , Kunming Luo , Xin Li , Haoqiang Fan , Shuaicheng Liu

We analysis performance of semantic segmentation models wrt. adversarial attacks, and observe that the adversarial examples generated from a source model fail to attack the target models. i.e The conventional attack methods, such as PGD and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Mengqi He , Jing Zhang , Zhaoyuan Yang , Mingyi He , Nick Barnes , Yuchao Dai

We investigate the problem of identifying adversarial attacks on image-based neural networks. We present intriguing experimental results showing significant discrepancies between the explanations generated for the predictions of a model on…

Machine Learning · Computer Science 2020-03-13 Sean Saito , Jin Wang

Semantic communications seeks to transfer information from a source while conveying a desired meaning to its destination. We model the transmitter-receiver functionalities as an autoencoder followed by a task classifier that evaluates the…

Cryptography and Security · Computer Science 2022-12-21 Yalin E. Sagduyu , Tugba Erpek , Sennur Ulukus , Aylin Yener

Deep learning models suffer from a phenomenon called adversarial attacks: we can apply minor changes to the model input to fool a classifier for a particular example. The literature mostly considers adversarial attacks on models with images…

Machine Learning · Computer Science 2020-10-13 Ivan Fursov , Alexey Zaytsev , Nikita Kluchnikov , Andrey Kravchenko , Evgeny Burnaev