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相关论文: Deep generative LDA

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Learning useful information across long time lags is a critical and difficult problem for temporal neural models in tasks such as language modeling. Existing architectures that address the issue are often complex and costly to train. The…

计算与语言 · 计算机科学 2017-07-18 Alexander G. Ororbia , Tomas Mikolov , David Reitter

This paper describes several improvements to a new method for signal decomposition that we recently formulated under the name of Differentiable Dictionary Search (DDS). The fundamental idea of DDS is to exploit a class of powerful deep…

音频与语音处理 · 电气工程与系统科学 2022-11-29 Lukáš Samuel Marták , Rainer Kelz , Gerhard Widmer

We propose a deep neural network (DNN) based least distance (LD) estimator (DNN-LD) for a multivariate regression problem, addressing the limitations of the conventional methods. Due to the flexibility of a DNN structure, both linear and…

统计方法学 · 统计学 2024-01-09 Jungmin Shin , Seung Jun Shin , Sungwan Bang

Deep neural networks (DNNs) often rely on massive labelled data for training, which is inaccessible in many applications. Data augmentation (DA) tackles data scarcity by creating new labelled data from available ones. Different DA methods…

神经与进化计算 · 计算机科学 2022-05-31 Binyan Hu , Yu Sun , A. K. Qin

State-of-art deep neural networks (DNN) are vulnerable to attacks by adversarial examples: a carefully designed small perturbation to the input, that is imperceptible to human, can mislead DNN. To understand the root cause of adversarial…

机器学习 · 统计学 2019-10-29 Xupeng Shi , A. Adam Ding

Diffusion models are known for generating high-quality images, causing serious security concerns. To combat this, most efforts rely on deep neural networks (e.g., CNNs and Transformers), while largely overlooking the potential of…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Mengxin Fu , Yuezun Li

Adversarial attacks pose significant challenges to deep neural networks (DNNs) such as Transformer models in natural language processing (NLP). This paper introduces a novel defense strategy, called GenFighter, which enhances adversarial…

机器学习 · 计算机科学 2024-04-18 Md Athikul Islam , Edoardo Serra , Sushil Jajodia

We investigate the effect of the dimensionality of the representations learned in Deep Neural Networks (DNNs) on their robustness to input perturbations, both adversarial and random. To achieve low dimensionality of learned representations,…

机器学习 · 计算机科学 2020-02-20 Amartya Sanyal , Varun Kanade , Philip H. S. Torr , Puneet K. Dokania

Deep neural networks (DNNs) are a contemporary solution for semantic segmentation and are usually trained to operate on a predefined closed set of classes. In open-set environments, it is possible to encounter semantically unknown objects…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Jurica Runtas , Tomislav Petkovic

A novel bilinear discriminant feature line analysis (BDFLA) is proposed for image feature extraction. The nearest feature line (NFL) is a powerful classifier. Some NFL-based subspace algorithms were introduced recently. In most of the…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Lijun Yan , Jun-Bao Li , Xiaorui Zhu , Jeng-Shyang Pan , Linlin Tang

Collaborative Filtering (CF) is widely used in recommender systems to model user-item interactions. With the great success of Deep Neural Networks (DNNs) in various fields, advanced works recently have proposed several DNN-based models for…

神经与进化计算 · 计算机科学 2021-11-16 Yuhan Fang , Yuqiao Liu , Yanan Sun

On account of its many successes in inference tasks and denoising applications, Dictionary Learning (DL) and its related sparse optimization problems have garnered a lot of research interest. While most solutions have focused on single…

机器学习 · 计算机科学 2020-10-22 Wen Tang , Emilie Chouzenoux , Jean-Christophe Pesquet , Hamid Krim

Training deep neural networks (DNNs) in large-cluster computing environments is increasingly necessary, as networks grow in size and complexity. Local memory and processing limitations require robust data and model parallelism for crossing…

机器学习 · 计算机科学 2020-06-08 Russell J. Hewett , Thomas J. Grady

Graph Neural Networks (GNNs) are deep-learning architectures designed for graph-type data, where understanding relationships among individual observations is crucial. However, achieving promising GNN performance, especially on unseen data,…

机器学习 · 计算机科学 2024-05-22 Lequan Lin , Dai Shi , Andi Han , Zhiyong Wang , Junbin Gao

We revisit Deep Linear Discriminant Analysis (Deep LDA) from a likelihood-based perspective. While classical LDA is a simple Gaussian model with linear decision boundaries, attaching an LDA head to a neural encoder raises the question of…

机器学习 · 统计学 2026-02-23 Maxat Tezekbayev , Arman Bolatov , Zhenisbek Assylbekov

To satisfy the high-resolution requirements of direction-of-arrival (DOA) estimation, conventional deep neural network (DNN)-based methods using grid idea need to significantly increase the number of output classifications and also produce…

信号处理 · 电气工程与系统科学 2024-03-13 Yifan Li , Feng Shu , Jun Zou , Wei Gao , Yaoliang Song , Jiangzhou Wang

Functional linear discriminant analysis (FLDA) is a powerful tool that extends LDA-mediated multiclass classification and dimension reduction to univariate time-series functions. However, in the age of large multivariate and incomplete…

机器学习 · 计算机科学 2026-04-23 Rahul Bordoloi , Clémence Réda , Orell Trautmann , Saptarshi Bej , Olaf Wolkenhauer

Deep learning is emerging as an effective tool in drug discovery, with potential applications in both predictive and generative models. Generative Flow Networks (GFlowNets/GFNs) are a recently introduced method recognized for the ability to…

机器学习 · 计算机科学 2023-11-08 Elaine Lau , Nikhil Vemgal , Doina Precup , Emmanuel Bengio

Regularized discriminant analysis (RDA), proposed by Friedman (1989), is a widely popular classifier that lacks interpretability and is impractical for high-dimensional data sets. Here, we present an interpretable and computationally…

机器学习 · 统计学 2017-02-07 John A. Ramey , Caleb K. Stein , Phil D. Young , Dean M. Young

In this paper, we explore the potential of generative machine learning models as an alternative to the computationally expensive Monte Carlo (MC) simulations commonly used by the Large Hadron Collider (LHC) experiments. Our objective is to…

高能物理 - 实验 · 物理学 2023-11-21 Allison Xu , Shuo Han , Xiangyang Ju , Haichen Wang