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相关论文: Local Competition and Stochasticity for Adversaria…

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This work attempts to address adversarial robustness of deep networks by means of novel learning arguments. Specifically, inspired from results in neuroscience, we propose a local competition principle as a means of adversarially-robust…

机器学习 · 计算机科学 2020-06-19 Antonios Alexos , Konstantinos P. Panousis , Sotirios Chatzis

This work explores the potency of stochastic competition-based activations, namely Stochastic Local Winner-Takes-All (LWTA), against powerful (gradient-based) white-box and black-box adversarial attacks; we especially focus on Adversarial…

机器学习 · 计算机科学 2021-12-07 Konstantinos P. Panousis , Sotirios Chatzis , Sergios Theodoridis

This work addresses meta-learning (ML) by considering deep networks with stochastic local winner-takes-all (LWTA) activations. This type of network units results in sparse representations from each model layer, as the units are organized…

机器学习 · 计算机科学 2022-08-03 Konstantinos Kalais , Sotirios Chatzis

This work aims to address the long-established problem of learning diversified representations. To this end, we combine information-theoretic arguments with stochastic competition-based activations, namely Stochastic Local Winner-Takes-All…

机器学习 · 计算机科学 2022-01-12 Konstantinos P. Panousis , Anastasios Antoniadis , Sotirios Chatzis

Continual learning on edge devices poses unique challenges due to stringent resource constraints. This paper introduces a novel method that leverages stochastic competition principles to promote sparsity, significantly reducing deep network…

机器学习 · 计算机科学 2024-07-16 Theodoros Christophides , Kyriakos Tolias , Sotirios Chatzis

The aim of this work is to enable inference of deep networks that retain high accuracy for the least possible model complexity, with the latter deduced from the data during inference. To this end, we revisit deep networks that comprise…

机器学习 · 计算机科学 2019-05-07 Konstantinos P. Panousis , Sotirios Chatzis , Sergios Theodoridis

Despite the prevalence and significance of tabular data across numerous industries and fields, it has been relatively underexplored in the realm of deep learning. Even today, neural networks are often overshadowed by techniques such as…

机器学习 · 计算机科学 2024-07-19 Andreas Voskou , Charalambos Christoforou , Sotirios Chatzis

Advances in adversarial defenses have led to a significant improvement in the robustness of Deep Neural Networks. However, the robust accuracy of present state-ofthe-art defenses is far from the requirements in critical applications such as…

机器学习 · 计算机科学 2023-06-13 Sravanti Addepalli , Samyak Jain , Gaurang Sriramanan , R. Venkatesh Babu

The fact that deep neural networks are susceptible to crafted perturbations severely impacts the use of deep learning in certain domains of application. Among many developed defense models against such attacks, adversarial training emerges…

机器学习 · 计算机科学 2020-07-13 Anh Bui , Trung Le , He Zhao , Paul Montague , Olivier deVel , Tamas Abraham , Dinh Phung

Many recent generative models make use of neural networks to transform the probability distribution of a simple low-dimensional noise process into the complex distribution of the data. This raises the question of whether biological networks…

神经与进化计算 · 计算机科学 2018-02-07 Hesham Mostafa , Gert Cauwenberghs

We introduce Deep Linear Discriminant Analysis (DeepLDA) which learns linearly separable latent representations in an end-to-end fashion. Classic LDA extracts features which preserve class separability and is used for dimensionality…

机器学习 · 计算机科学 2016-02-18 Matthias Dorfer , Rainer Kelz , Gerhard Widmer

Federated learning learns a neural network model by aggregating the knowledge from a group of distributed clients under the privacy-preserving constraint. In this work, we show that this paradigm might inherit the adversarial vulnerability…

机器学习 · 计算机科学 2022-09-20 Yao Zhou , Jun Wu , Haixun Wang , Jingrui He

Context: Deep Neural Networks (DNNs) are increasingly deployed in critical applications, where resilience against adversarial inputs is paramount. However, whether coverage-based or confidence-based, existing test prioritization methods…

软件工程 · 计算机科学 2025-09-30 Sheikh Md Mushfiqur Rahman , Nasir Eisty

Recent breakthroughs in the field of deep learning have led to advancements in a broad spectrum of tasks in computer vision, audio processing, natural language processing and other areas. In most instances where these tasks are deployed in…

机器学习 · 计算机科学 2019-05-28 Daanish Ali Khan , Linhong Li , Ninghao Sha , Zhuoran Liu , Abelino Jimenez , Bhiksha Raj , Rita Singh

Deep Neural Networks (DNNs) are known to be vulnerable to adversarial attacks, i.e., an imperceptible perturbation to the input can mislead DNNs trained on clean images into making erroneous predictions. To tackle this, adversarial training…

机器学习 · 计算机科学 2025-01-07 Yonggan Fu , Qixuan Yu , Yang Zhang , Shang Wu , Xu Ouyang , David Cox , Yingyan Celine Lin

Despite significant advances, deep networks remain highly susceptible to adversarial attack. One fundamental challenge is that small input perturbations can often produce large movements in the network's final-layer feature space. In this…

机器学习 · 计算机科学 2023-04-20 Maria-Florina Balcan , Avrim Blum , Dravyansh Sharma , Hongyang Zhang

Deep neural network models are used today in various applications of artificial intelligence, the strengthening of which, in the face of adversarial attacks is of particular importance. An appropriate solution to adversarial attacks is…

计算机视觉与模式识别 · 计算机科学 2022-02-16 Mohammad Khalooei , Mohammad Mehdi Homayounpour , Maryam Amirmazlaghani

Modern deep neural networks (DNNs) are vulnerable to adversarial attacks and adversarial training has been shown to be a promising method for improving the adversarial robustness of DNNs. Pruning methods have been considered in adversarial…

机器学习 · 计算机科学 2022-03-08 Xupeng Shi , Pengfei Zheng , A. Adam Ding , Yuan Gao , Weizhong Zhang

In this work, we consider model robustness of deep neural networks against adversarial attacks from a global manifold perspective. Leveraging both the local and global latent information, we propose a novel adversarial training method…

机器学习 · 计算机科学 2022-10-04 Zhuang Qian , Shufei Zhang , Kaizhu Huang , Qiufeng Wang , Rui Zhang , Xinping Yi

One popular hypothesis of neural network generalization is that the flat local minima of loss surface in parameter space leads to good generalization. However, we demonstrate that loss surface in parameter space has no obvious relationship…

机器学习 · 计算机科学 2018-10-16 Fuxun Yu , Chenchen Liu , Yanzhi Wang , Liang Zhao , Xiang Chen
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