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Despite the success on few-shot learning problems, most meta-learned models only focus on achieving good performance on clean examples and thus easily break down when given adversarially perturbed samples. While some recent works have shown…

机器学习 · 计算机科学 2023-10-27 Minseon Kim , Hyeonjeong Ha , Dong Bok Lee , Sung Ju Hwang

This paper focuses on learning transferable adversarial examples specifically against defense models (models to defense adversarial attacks). In particular, we show that a simple universal perturbation can fool a series of state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2020-08-03 Yingwei Li , Song Bai , Cihang Xie , Zhenyu Liao , Xiaohui Shen , Alan L. Yuille

The safe application of reinforcement learning (RL) requires generalization from limited training data to unseen scenarios. Yet, fulfilling tasks under changing circumstances is a key challenge in RL. Current state-of-the-art approaches for…

Face anti-spoofing (FAS) or presentation attack detection is an essential component of face recognition systems deployed in security-critical applications. Existing FAS methods have poor generalizability to unseen spoof types, camera…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Koushik Srivatsan , Muzammal Naseer , Karthik Nandakumar

Modern network defense can benefit from the use of autonomous systems, offloading tedious and time-consuming work to agents with standard and learning-enabled components. These agents, operating on critical network infrastructure, need to…

人工智能 · 计算机科学 2024-11-07 Nicholas Potteiger , Ankita Samaddar , Hunter Bergstrom , Xenofon Koutsoukos

Existing deep learning approaches for learning visual features tend to overlearn and extract more information than what is required for the task at hand. From a privacy preservation perspective, the input visual information is not protected…

计算机视觉与模式识别 · 计算机科学 2020-05-21 Naveen Panwar , Tarun Tater , Anush Sankaran , Senthil Mani

Recent research has made the surprising finding that state-of-the-art deep learning models sometimes fail to generalize to small variations of the input. Adversarial training has been shown to be an effective approach to overcome this…

This paper investigates fake news detection as a downstream evaluation of Transformer representations, benchmarking encoder-only and decoder-only pre-trained models (BERT, GPT-2, Transformer-XL) as frozen embedders paired with lightweight…

计算与语言 · 计算机科学 2025-12-01 Sumit Mamtani , Abhijeet Bhure

With the increasing variations of face presentation attacks, model generalization becomes an essential challenge for a practical face anti-spoofing system. This paper presents a generalized face anti-spoofing framework that consists of…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Chu-Chun Chuang , Chien-Yi Wang , Shang-Hong Lai

Adversarial training (AT) and its variants have spearheaded progress in improving neural network robustness to adversarial perturbations and common corruptions in the last few years. Algorithm design of AT and its variants are focused on…

机器学习 · 计算机科学 2022-06-15 Kaustubh Sridhar , Souradeep Dutta , Ramneet Kaur , James Weimer , Oleg Sokolsky , Insup Lee

Deep neural networks have achieved substantial achievements in several computer vision areas, but have vulnerabilities that are often fooled by adversarial examples that are not recognized by humans. This is an important issue for security…

计算机视觉与模式识别 · 计算机科学 2021-01-29 Hakmin Lee , Hong Joo Lee , Seong Tae Kim , Yong Man Ro

Video face swapping is becoming increasingly popular across various applications, yet existing methods primarily focus on static images and struggle with video face swapping because of temporal consistency and complex scenarios. In this…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Hao Shao , Shulun Wang , Yang Zhou , Guanglu Song , Dailan He , Shuo Qin , Zhuofan Zong , Bingqi Ma , Yu Liu , Hongsheng Li

Causal representation learning has attracted significant research interest during the past few years, as a means for improving model generalization and robustness. Causal representations of interventional image pairs (also called…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Panagiotis Alimisis , Christos Diou

The malicious applications of deep forgery, represented by face swapping, have introduced security threats such as misinformation dissemination and identity fraud. While some research has proposed the use of robust watermarking methods to…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Yunming Zhang , Dengpan Ye , Caiyun Xie , Long Tang , Chuanxi Chen , Ziyi Liu , Jiacheng Deng

Deep models often fail to generalize well in test domains when the data distribution differs from that in the training domain. Among numerous approaches to address this Out-of-Distribution (OOD) generalization problem, there has been a…

机器学习 · 计算机科学 2022-10-14 Qixun Wang , Yifei Wang , Hong Zhu , Yisen Wang

In this study, we investigate the protection offered by federated learning algorithms against eavesdropping adversaries. In our model, the adversary is capable of intercepting model updates transmitted from clients to the server, enabling…

密码学与安全 · 计算机科学 2025-04-04 Dipankar Maity , Kushal Chakrabarti

Deep learning models operating in the image domain are vulnerable to small input perturbations. For years, robustness to such perturbations was pursued by training models from scratch (i.e., with random initializations) using specialized…

This work investigates the well-known problem of morphing attacks, which has drawn considerable attention in the biometrics community. Morphed images have exposed face recognition systems' susceptibility to false acceptance, resulting in…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Poorya Aghdaie , Baaria Chaudhary , Sobhan Soleymani , Jeremy Dawson , Nasser M. Nasrabadi

In the past decades, the rise of artificial intelligence has given us the capabilities to solve the most challenging problems in our day-to-day lives, such as cancer prediction and autonomous navigation. However, these applications might…

密码学与安全 · 计算机科学 2022-09-13 Ehsan Nowroozi , Mohammadreza Mohammadi , Pargol Golmohammadi , Yassine Mekdad , Mauro Conti , Selcuk Uluagac

Meta-learning is a practical learning paradigm to transfer skills across tasks from a few examples. Nevertheless, the existence of task distribution shifts tends to weaken meta-learners' generalization capability, particularly when the…

机器学习 · 计算机科学 2025-01-07 Cheems Wang , Yiqin Lv , Yixiu Mao , Yun Qu , Yi Xu , Xiangyang Ji