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Neural models enjoy widespread use across a variety of tasks and have grown to become crucial components of many industrial systems. Despite their effectiveness and extensive popularity, they are not without their exploitable flaws.…

Sound · Computer Science 2019-02-26 Krishan Rajaratnam , Jugal Kalita

With the rapid advancement of multimodal learning, pre-trained Vision-Language Models (VLMs) such as CLIP have demonstrated remarkable capacities in bridging the gap between visual and language modalities. However, these models remain…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Jiaming Zhang , Xingjun Ma , Xin Wang , Lingyu Qiu , Jiaqi Wang , Yu-Gang Jiang , Jitao Sang

Numerous text-to-video (T2V) editing methods have emerged recently, but the lack of a standardized benchmark for fair evaluation has led to inconsistent claims and an inability to assess model sensitivity to hyperparameters. Fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Minghan Li , Chenxi Xie , Yichen Wu , Lei Zhang , Mengyu Wang

Adversarial purification is a defense mechanism for safeguarding classifiers against adversarial attacks without knowing the type of attacks or training of the classifier. These techniques characterize and eliminate adversarial…

Cryptography and Security · Computer Science 2024-02-13 Raha Moraffah , Shubh Khandelwal , Amrita Bhattacharjee , Huan Liu

Video classification systems are vulnerable to adversarial attacks, which can create severe security problems in video verification. Current black-box attacks need a large number of queries to succeed, resulting in high computational…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yuxin Cao , Xi Xiao , Ruoxi Sun , Derui Wang , Minhui Xue , Sheng Wen

Numerous studies have demonstrated the susceptibility of deep neural networks (DNNs) to subtle adversarial perturbations, prompting the development of many advanced adversarial defense methods aimed at mitigating adversarial attacks.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Linyu Tang , Lei Zhang

In this paper, we present a conditional generative adversarial network-based model for real-time underwater image enhancement. To supervise the adversarial training, we formulate an objective function that evaluates the perceptual image…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Md Jahidul Islam , Youya Xia , Junaed Sattar

This work studies the robust evaluation of iterative stochastic purification defenses under white-box adversarial attacks. Our key technical insight is that gradient checkpointing makes exact end-to-end gradient computation through long…

Machine Learning · Computer Science 2026-05-08 Yuan Du , Mitchel Hill , HanQin Cai

Adversarial purification with diffusion models has emerged as a promising defense strategy, but existing methods typically rely on uniform noise injection, which indiscriminately perturbs all frequencies, corrupting semantic structures and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xiaoyi Huang , Junwei Wu , Kejia Zhang , Carl Yang , Zhiming Luo

State of the art deep learning techniques are known to be vulnerable to evasion attacks where an adversarial sample is generated from a malign sample and misclassified as benign. Detection of encrypted malware command and control traffic…

Cryptography and Security · Computer Science 2020-11-10 Carlos Novo , Ricardo Morla

Autonomous vehicles are typical complex intelligent systems with artificial intelligence at their core. However, perception methods based on deep learning are extremely vulnerable to adversarial samples, resulting in security accidents. How…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Yuanhao Huang , Yilong Ren , Jinlei Wang , Lujia Huo , Xuesong Bai , Jinchuan Zhang , Haiyan Yu

Deep learning models have been widely used in commercial acoustic systems in recent years. However, adversarial audio examples can cause abnormal behaviors for those acoustic systems, while being hard for humans to perceive. Various…

Sound · Computer Science 2023-03-06 Shutong Wu , Jiongxiao Wang , Wei Ping , Weili Nie , Chaowei Xiao

Reinforcement learning based post-training paradigms for Video Large Language Models (VideoLLMs) have achieved significant success by optimizing for visual-semantic tasks such as captioning or VideoQA. However, while these approaches…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Xiaokun Sun , Zezhong Wu , Zewen Ding , Linli Xu

Current discriminative depth estimation methods often produce blurry artifacts, while generative approaches suffer from slow sampling due to curvatures in the noise-to-depth transport. Our method addresses these challenges by framing depth…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Ming Gui , Johannes Schusterbauer , Ulrich Prestel , Pingchuan Ma , Dmytro Kotovenko , Olga Grebenkova , Stefan Andreas Baumann , Vincent Tao Hu , Björn Ommer

Machine Learning (ML) techniques can facilitate the automation of malicious software (malware for short) detection, but suffer from evasion attacks. Many studies counter such attacks in heuristic manners, lacking theoretical guarantees and…

Cryptography and Security · Computer Science 2023-04-07 Deqiang Li , Shicheng Cui , Yun Li , Jia Xu , Fu Xiao , Shouhuai Xu

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

Flow Matching has emerged as a powerful framework for learning continuous transformations between distributions, enabling high-fidelity generative modeling. This work introduces Symmetrical Flow Matching (SymmFlow), a new formulation that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Francisco Caetano , Christiaan Viviers , Peter H. N. De With , Fons van der Sommen

Flow matching has recently emerged as a powerful alternative to diffusion models, providing a continuous-time formulation for generative modeling and representation learning. Yet, we show that this framework suffers from a fundamental…

Machine Learning · Computer Science 2025-09-26 Weili Zeng , Yichao Yan

Large Vision-Language Models (LVLMs) can be vulnerable to adversarial images that subtly bias their outputs toward plausible yet incorrect responses. We introduce a general, efficient, and training-free defense that combines image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Nadav Kadvil , Malak Fares , Ayellet Tal

Video inpainting has been challenged by complex scenarios like large movements and low-light conditions. Current methods, including emerging diffusion models, face limitations in quality and efficiency. This paper introduces the Flow-Guided…

Computer Vision and Pattern Recognition · Computer Science 2025-01-24 Bohai Gu , Yongsheng Yu , Heng Fan , Libo Zhang