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In this paper, we introduce variational semantic memory into meta-learning to acquire long-term knowledge for few-shot learning. The variational semantic memory accrues and stores semantic information for the probabilistic inference of…

机器学习 · 计算机科学 2021-07-16 Xiantong Zhen , Yingjun Du , Huan Xiong , Qiang Qiu , Cees G. M. Snoek , Ling Shao

In this article a novel approach for training deep neural networks using Bayesian techniques is presented. The Bayesian methodology allows for an easy evaluation of model uncertainty and additionally is robust to overfitting. These are…

机器学习 · 计算机科学 2019-04-03 Konstantin Posch , Jürgen Pilz

Anomaly detection has many important applications, such as monitoring industrial equipment. Despite recent advances in anomaly detection with deep-learning methods, it is unclear how existing solutions would perform under…

声音 · 计算机科学 2022-04-06 Bingqing Chen , Luca Bondi , Samarjit Das

Models of neural machine translation are often from a discriminative family of encoderdecoders that learn a conditional distribution of a target sentence given a source sentence. In this paper, we propose a variational model to learn this…

计算与语言 · 计算机科学 2016-09-27 Biao Zhang , Deyi Xiong , Jinsong Su , Hong Duan , Min Zhang

Latent space model plays a crucial role in network analysis, and accurate estimation of latent variables is essential for downstream tasks such as link prediction. However, the large number of parameters to be estimated presents a…

统计方法学 · 统计学 2025-09-22 Kuangnan Fang , Ruixuan Qin , Xinyan Fan

Rich sources of variability in natural speech present significant challenges to current data intensive speech recognition technologies. To model both speaker and environment level diversity, this paper proposes a novel Bayesian factorised…

音频与语音处理 · 电气工程与系统科学 2023-06-27 Jiajun Deng , Guinan Li , Xurong Xie , Zengrui Jin , Mingyu Cui , Tianzi Wang , Shujie Hu , Mengzhe Geng , Xunying Liu

Recent methods for deep metric learning have been focusing on designing different contrastive loss functions between positive and negative pairs of samples so that the learned feature embedding is able to pull positive samples of the same…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Shichao Kan , Zhiquan He , Yigang Cen , Yang Li , Vladimir Mladenovic , Zhihai He

Adapting speaker recognition systems to new environments is a widely-used technique to improve a well-performing model learned from large-scale data towards a task-specific small-scale data scenarios. However, previous studies focus on…

声音 · 计算机科学 2022-11-21 Zhenyu Wang , John H. L. Hansen

In variational inference, the benefits of Bayesian models rely on accurately capturing the true posterior distribution. We propose using neural samplers that specify implicit distributions, which are well-suited for approximating complex…

机器学习 · 计算机科学 2023-11-10 Anshuk Uppal , Kristoffer Stensbo-Smidt , Wouter Boomsma , Jes Frellsen

In this paper, we provide two main contributions in PAC-Bayesian theory for domain adaptation where the objective is to learn, from a source distribution, a well-performing majority vote on a different target distribution. On the one hand,…

机器学习 · 统计学 2016-08-10 Pascal Germain , Amaury Habrard , François Laviolette , Emilie Morvant

Controlling systems governed by partial differential equations is an inherently hard problem. Specifically, control of wave dynamics is challenging due to additional physical constraints and intrinsic properties of wave phenomena such as…

信号处理 · 电气工程与系统科学 2023-12-18 Tristan Shah , Feruza Amirkulova , Stas Tiomkin

Transfer learning is a machine learning paradigm where knowledge from one problem is utilized to solve a new but related problem. While conceivable that knowledge from one task could be useful for solving a related task, if not executed…

机器学习 · 计算机科学 2021-10-01 Xuetong Wu , Jonathan H. Manton , Uwe Aickelin , Jingge Zhu

A practical shortcoming of deep neural networks is their specialization to a single task and domain. While recent techniques in domain adaptation and multi-domain learning enable the learning of more domain-agnostic features, their success…

机器学习 · 计算机科学 2020-06-02 Lucas Deecke , Timothy Hospedales , Hakan Bilen

We introduce a variational Bayesian neural network where the parameters are governed via a probability distribution on random matrices. Specifically, we employ a matrix variate Gaussian \cite{gupta1999matrix} parameter posterior…

机器学习 · 统计学 2016-06-24 Christos Louizos , Max Welling

Machine learning strategies like multi-task learning, meta-learning, and transfer learning enable efficient adaptation of machine learning models to specific applications in healthcare, such as prediction of various diseases, by leveraging…

机器学习 · 计算机科学 2024-12-31 Sophie Wharrie , Lisa Eick , Lotta Mäkinen , Andrea Ganna , Samuel Kaski , FinnGen

Deep learning models usually require a large amount of labeled data to achieve satisfactory performance. In multimedia analysis, domain adaptation studies the problem of cross-domain knowledge transfer from a label rich source domain to a…

计算机视觉与模式识别 · 计算机科学 2021-09-10 Lei Zhu , Zhaojing Luo , Wei Wang , Meihui Zhang , Gang Chen , Kaiping Zheng

Despite the remarkable advances in deep learning technology, achieving satisfactory performance in lung sound classification remains a challenge due to the scarcity of available data. Moreover, the respiratory sound samples are collected…

声音 · 计算机科学 2023-12-18 June-Woo Kim , Sangmin Bae , Won-Yang Cho , Byungjo Lee , Ho-Young Jung

Domain Adaptation aiming to learn a transferable feature between different but related domains has been well investigated and has shown excellent empirical performances. Previous works mainly focused on matching the marginal feature…

机器学习 · 计算机科学 2020-05-26 Fan Zhou , Changjian Shui , Bincheng Huang , Boyu Wang , Brahim Chaib-draa

As a study on the efficient usage of data, Multi-source Unsupervised Domain Adaptation transfers knowledge from multiple source domains with labeled data to an unlabeled target domain. However, the distribution discrepancy between different…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Tong Xu , Lin Wang , Wu Ning , Chunyan Lyu , Kejun Wang , Chenhui Wang

Existing transfer learning-based beam prediction approaches primarily rely on simple fine-tuning. When there is a significant difference in data distribution between the target domain and the source domain, simple fine-tuning limits the…

信息论 · 计算机科学 2025-09-26 Zhiqiang Xiao , Yuwen Cao , Mondher Bouazizi , Tomoaki Ohtsuki , Shahid Mumtaz