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相关论文: Improving VAEs' Robustness to Adversarial Attack

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This work conducts the first analysis on the robustness against adversarial attacks on self-supervised Vision Transformers trained using DINO. First, we evaluate whether features learned through self-supervision are more robust to…

计算机视觉与模式识别 · 计算机科学 2022-09-09 Javier Rando , Nasib Naimi , Thomas Baumann , Max Mathys

In this tutorial, we explore Variational Autoencoders (VAEs), an essential framework for unsupervised learning, particularly suited for high-dimensional datasets such as neuroimaging. By integrating deep learning with Bayesian inference,…

图像与视频处理 · 电气工程与系统科学 2025-01-15 C. Vázquez-García , F. J. Martínez-Murcia , F. Segovia Román , Juan M. Górriz Sáez

Deep learning models are known to be vulnerable to adversarial examples that are elaborately designed for malicious purposes and are imperceptible to the human perceptual system. Autoencoder, when trained solely over benign examples, has…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Zhaoxi Zhang , Leo Yu Zhang , Xufei Zheng , Jinyu Tian , Jiantao Zhou

Variational Autoencoders (VAEs) are powerful generative models that have been widely used in various fields, including image and text generation. However, one of the known challenges in using VAEs is the model's sensitivity to its…

机器学习 · 计算机科学 2024-12-31 Gabriela Sejnova , Michal Vavrecka , Karla Stepanova

Variational autoencoders employ an amortized inference model to approximate the posterior of latent variables. However, such amortized variational inference faces two challenges: (1) the limited posterior expressiveness of fully-factorized…

机器学习 · 计算机科学 2022-12-01 Yookoon Park , Chris Dongjoo Kim , Gunhee Kim

Deterministic Rank Reduction Autoencoders (RRAEs) enforce by construction a regularization on the latent space by applying a truncated SVD. While this regularization makes Autoencoders more powerful, using them for generative purposes is…

机器学习 · 计算机科学 2025-10-15 Jad Mounayer , Alicia Tierz , Jerome Tomezyk , Chady Ghnatios , Francisco Chinesta

Recent work has demonstrated that deep neural networks are vulnerable to adversarial examples---inputs that are almost indistinguishable from natural data and yet classified incorrectly by the network. In fact, some of the latest findings…

机器学习 · 统计学 2019-09-06 Aleksander Madry , Aleksandar Makelov , Ludwig Schmidt , Dimitris Tsipras , Adrian Vladu

Network embedding represents nodes in a continuous vector space and preserves structure information from the Network. Existing methods usually adopt a "one-size-fits-all" approach when concerning multi-scale structure information, such as…

机器学习 · 计算机科学 2018-03-28 Lei Sang , Min Xu , Shengsheng Qian , Xindong Wu

Deep networks often make confident, yet, incorrect, predictions when tested with outlier data that is far removed from their training distributions. Likelihoods computed by deep generative models (DGMs) are a candidate metric for outlier…

机器学习 · 计算机科学 2022-07-20 Kushal Chauhan , Barath Mohan U , Pradeep Shenoy , Manish Gupta , Devarajan Sridharan

We present a deep learning based approach to containerized application runtime stability analysis, and an intelligent publishing algorithm that can dynamically adjust the depth of process-level forensics published to a backend incident…

密码学与安全 · 计算机科学 2021-04-28 Prakhar Sharma , Phillip Porras , Steven Cheung , James Carpenter , Vinod Yegneswaran

Variational autoencoders (VAEs) provide an effective and simple method for modeling complex distributions. However, training VAEs often requires considerable hyperparameter tuning to determine the optimal amount of information retained by…

机器学习 · 计算机科学 2021-07-13 Oleh Rybkin , Kostas Daniilidis , Sergey Levine

Variational Autoencoder (VAE) is a powerful method for learning representations of high-dimensional data. However, VAEs can suffer from an issue known as latent variable collapse (or KL loss vanishing), where the posterior collapses to the…

计算与语言 · 计算机科学 2019-11-14 Ruizhe Li , Xiao Li , Chenghua Lin , Matthew Collinson , Rui Mao

Adversarial attacks in 3D environments have emerged as a critical threat to the reliability of visual perception systems, particularly in safety-sensitive applications such as identity verification and autonomous driving. These attacks…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Xiao Yang , Lingxuan Wu , Lizhong Wang , Chengyang Ying , Hang Su , Jun Zhu

Despite advances in deep probabilistic models, learning discrete latent representations remains challenging. This work introduces a novel method to improve inference in discrete Variational Autoencoders by reframing the inference problem…

机器学习 · 计算机科学 2025-06-11 María Martínez-García , Grace Villacrés , David Mitchell , Pablo M. Olmos

Deep generative models provide powerful tools for distributions over complicated manifolds, such as those of natural images. But many of these methods, including generative adversarial networks (GANs), can be difficult to train, in part…

机器学习 · 统计学 2017-11-08 Akash Srivastava , Lazar Valkov , Chris Russell , Michael U. Gutmann , Charles Sutton

Machine Learning (ML) has become the new contrivance in almost every field. This makes them a target of fraudsters by various adversary attacks, thereby hindering the performance of ML models. Evasion and Data-Poison-based attacks are well…

机器学习 · 计算机科学 2023-02-28 Pavan Venkata Sainadh Reddy , Yelleti Vivek , Gopi Pranay , Vadlamani Ravi

Variational Autoencoder (VAE), a simple and effective deep generative model, has led to a number of impressive empirical successes and spawned many advanced variants and theoretical investigations. However, recent studies demonstrate that,…

机器学习 · 计算机科学 2019-01-08 Xuezhe Ma , Chunting Zhou , Eduard Hovy

Variational autoencoder (VAE) is one of the most common techniques in the field of medical image generation, where this architecture has shown advanced researchers in recent years and has developed into various architectures. VAE has…

机器学习 · 计算机科学 2024-11-13 Khadija Rais , Mohamed Amroune , Abdelmadjid Benmachiche , Mohamed Yassine Haouam

Adversarial examples (AEs) are images that can mislead deep neural network (DNN) classifiers via introducing slight perturbations into original images. This security vulnerability has led to vast research in recent years because it can…

机器学习 · 计算机科学 2020-12-25 Ruqi Bai , Saurabh Bagchi , David I. Inouye

Variational autoencoders (VAEs) are one class of generative probabilistic latent-variable models designed for inference based on known data. We develop three variations on VAEs by introducing a second parameterized encoder/decoder pair and,…

机器学习 · 计算机科学 2023-04-06 R. I. Cukier
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