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This article provides a unifying Bayesian network view on various approaches for acoustic model adaptation, missing feature, and uncertainty decoding that are well-known in the literature of robust automatic speech recognition. The…

机器学习 · 计算机科学 2014-09-23 Roland Maas , Christian Huemmer , Armin Sehr , Walter Kellermann

Classification may not be reliable for several reasons: noise in the data, insufficient input information, overlapping distributions and sharp definition of classes. Faced with several possibilities neural network may in such cases still be…

机器学习 · 计算机科学 2019-01-29 Włodzisław Duch , Rafał Adamczak , Yoichi Hayashi

Recent studies on multi-label image classification have focused on designing more complex architectures of deep neural networks such as the use of attention mechanisms and region proposal networks. Although performance gains have been…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Qian Wang , Ning Jia , Toby P. Breckon

A Bayesian net (BN) is more than a succinct way to encode a probabilistic distribution; it also corresponds to a function used to answer queries. A BN can therefore be evaluated by the accuracy of the answers it returns. Many algorithms for…

人工智能 · 计算机科学 2013-02-08 Russell Greiner , Adam J. Grove , Dale Schuurmans

Convolutional Neural Networks (CNNs) are a class of artificial neural networks whose computational blocks use convolution, together with other linear and non-linear operations, to perform classification or regression. This paper explores…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Victor Stamatescu , Mark D. McDonnell

Machine learning provides algorithms that can learn from data and make inferences or predictions on data. Bayesian networks are a class of graphical models that allow to represent a collection of random variables and their condititional…

人工智能 · 计算机科学 2019-01-08 Robert Leppert , Karl-Heinz Zimmermann

We propose a novel Bayesian neural network architecture that can learn invariances from data alone by inferring a posterior distribution over different weight-sharing schemes. We show that our model outperforms other non-invariant…

Stacking is a widely used model averaging technique that asymptotically yields optimal predictions among linear averages. We show that stacking is most effective when model predictive performance is heterogeneous in inputs, and we can…

统计方法学 · 统计学 2021-10-29 Yuling Yao , Gregor Pirš , Aki Vehtari , Andrew Gelman

The availability of large labeled datasets has allowed Convolutional Network models to achieve impressive recognition results. However, in many settings manual annotation of the data is impractical; instead our data has noisy labels, i.e.…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Sainbayar Sukhbaatar , Joan Bruna , Manohar Paluri , Lubomir Bourdev , Rob Fergus

Convolution Neural Networks (CNN) have been extremely successful in solving intensive computer vision tasks. The convolutional filters used in CNNs have played a major role in this success, by extracting useful features from the inputs.…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Pravendra Singh , Pratik Mazumder , Vinay P. Namboodiri

Modern neural networks tend to be overconfident on unseen, noisy or incorrectly labelled data and do not produce meaningful uncertainty measures. Bayesian deep learning aims to address this shortcoming with variational approximations (such…

机器学习 · 统计学 2018-05-28 Nick Pawlowski , Andrew Brock , Matthew C. H. Lee , Martin Rajchl , Ben Glocker

Upcoming surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will detect up to 10 million time-varying sources in the sky every night for ten years. This information will be transmitted in a continuous…

天体物理仪器与方法 · 物理学 2022-07-12 Anais Möller , Thibault de Boissière

Learning data representations that capture task-related features, but are invariant to nuisance variations remains a key challenge in machine learning. We introduce an automated Bayesian inference framework, called AutoBayes, that explores…

机器学习 · 计算机科学 2020-12-01 Andac Demir , Toshiaki Koike-Akino , Ye Wang , Deniz Erdogmus

The need for function estimation in label-limited settings is common in the natural sciences. At the same time, prior knowledge of function values is often available in these domains. For example, data-free biophysics-based models can be…

机器学习 · 计算机科学 2022-10-17 Hunter Nisonoff , Yixin Wang , Jennifer Listgarten

Neural networks based on metric recognition methods have a strictly determined architecture. Number of neurons, connections, as well as weights and thresholds values are calculated analytically, based on the initial conditions of tasks:…

神经与进化计算 · 计算机科学 2025-06-10 Polad Geidarov

Modern deep learning tools are remarkably effective in addressing intricate problems. However, their operation as black-box models introduces increased uncertainty in predictions. Additionally, they contend with various challenges,…

机器学习 · 计算机科学 2024-04-09 Sourav Ganguly , Saprativa Bhattacharjee

Image classification has become one of the main tasks in the field of computer vision technologies. In this context, a recent algorithm called CapsNet that implements an approach based on activity vectors and dynamic routing between…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Rinat Mukhometzianov , Juan Carrillo

During the last decade, deep neural networks (DNN) have demonstrated impressive performances solving a wide range of problems in various domains such as medicine, finance, law, etc. Despite their great performances, they have long been…

机器学习 · 计算机科学 2020-10-13 Jiechieu Kameni Florentin Flambeau , Tsopze Norbert

Deep convolution networks have proved very successful with big datasets such as the 1000-classes ImageNet. Results show that the error rate increases slowly as the size of the dataset increases. Experiments presented here may explain why…

计算机视觉与模式识别 · 计算机科学 2018-02-22 Mohamed Hajaj , Duncan Gillies

Bayesian neural networks (BNNs) have recently regained a significant amount of attention in the deep learning community due to the development of scalable approximate Bayesian inference techniques. There are several advantages of using a…

机器学习 · 统计学 2023-05-02 Aliaksandr Hubin , Geir Storvik
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