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Bayesian transfer learning (BTL) is defined in this paper as the task of conditioning a target probability distribution on a transferred source distribution. The target globally models the interaction between the source and target, and…

机器学习 · 计算机科学 2021-01-19 Milan Papež , Anthony Quinn

Visual localization algorithms have achieved significant improvements in performance thanks to recent advances in camera technology and vision-based techniques. However, there remains one critical caveat: all current approaches that are…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Huu Le , Tuan Hoang , Michael Milford

We introduce a novel combination of Bayesian Models (BMs) and Neural Networks (NNs) for making predictions with a minimum expected risk. Our approach combines the best of both worlds, the data efficiency and interpretability of a BM with…

机器学习 · 计算机科学 2021-09-28 Mathias Löwe , Per Lunnemann Hansen , Sebastian Risi

With the development of technology, the chemical production process is becoming increasingly complex and large-scale, making fault detection particularly important. However, current detective methods struggle to address the complexities of…

机器学习 · 计算机科学 2024-08-13 Ming Lu , Zhen Gao , Ying Zou , Zuguo Chen , Pei Li

Cryo-electron tomography (cryo-ET) is an imaging technique that allows three-dimensional visualization of macro-molecular assemblies under near-native conditions. Cryo-ET comes with a number of challenges, mainly low signal-to-noise and…

In evolutionary algorithms, a preselection operator aims to select the promising offspring solutions from a candidate offspring set. It is usually based on the estimated or real objective values of the candidate offspring solutions. In a…

神经与进化计算 · 计算机科学 2017-08-04 Jinyuan Zhang , Aimin Zhou , Ke Tang , Guixu Zhang

To efficiently select optimal dataset combinations for enhancing multi-task learning (MTL) performance in large language models, we proposed a novel framework that leverages a neural network to predict the best dataset combinations. The…

计算与语言 · 计算机科学 2025-05-06 Zaifu Zhan , Rui Zhang

Bayesian optimal design is considered for experiments where the response distribution depends on the solution to a system of non-linear ordinary differential equations. The motivation is an experiment to estimate parameters in the equations…

统计方法学 · 统计学 2019-05-02 Antony Overstall , David Woods , Ben Parker

Epigenetic alterations have an important role in the development of several types of cancer. Epigenetic studies generate a large amount of data, which makes it essential to develop novel models capable of dealing with large-scale data. In…

机器学习 · 计算机科学 2021-02-22 del Amor Rocío , Colomer Adrián , Monteagudo Carlos , Naranjo Valery

Biological studies on in vitro cell cultures are of fundamental importance to investigate cells response to external stimuli, such as new drugs for treatment of specific pathologies, or to study communication between electrogenic cells.…

Risk stratification of lung nodules is a task of primary importance in lung cancer diagnosis. Any improvement in robust and accurate nodule characterization can assist in identifying cancer stage, prognosis, and improving treatment…

计算机视觉与模式识别 · 计算机科学 2017-10-27 Sarfaraz Hussein , Kunlin Cao , Qi Song , Ulas Bagci

We propose a new splitting criterion for a meta-learning approach to multiclass classifier design that adaptively merges the classes into a tree-structured hierarchy of increasingly difficult binary classification problems. The…

机器学习 · 计算机科学 2017-11-10 Gerrit J. J. van den Burg , Alfred O. Hero

A churn prediction system guides telecom service providers to reduce revenue loss. However, the development of a churn prediction system for a telecom industry is a challenging task, mainly due to the large size of the data, high…

机器学习 · 计算机科学 2019-03-06 Uzair Ahmed , Asifullah Khan , Saddam Hussain Khan , Abdul Basit , Irfan Ul Haq , Yeon Soo Lee

Conventional survival analysis approaches estimate risk scores or individualized time-to-event distributions conditioned on covariates. In practice, there is often great population-level phenotypic heterogeneity, resulting from (unknown)…

机器学习 · 统计学 2020-03-03 Paidamoyo Chapfuwa , Chunyuan Li , Nikhil Mehta , Lawrence Carin , Ricardo Henao

Decision tree is an important method for both induction research and data mining, which is mainly used for model classification and prediction. ID3 algorithm is the most widely used algorithm in the decision tree so far. In this paper, the…

机器学习 · 计算机科学 2016-12-02 Singh Vijendra , Hemjyotsana Parashar , Nisha Vasudeva

Click-Through Rate (CTR) prediction holds a paramount position in recommender systems. The prevailing ID-based paradigm underperforms in cold-start scenarios due to the skewed distribution of feature frequency. Additionally, the utilization…

The 3D point cloud (3DPC) has significantly evolved and benefited from the advance of deep learning (DL). However, the latter faces various issues, including the lack of data or annotated data, the existence of a significant gap between…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Shahab Saquib Sohail , Yassine Himeur , Hamza Kheddar , Abbes Amira , Fodil Fadli , Shadi Atalla , Abigail Copiaco , Wathiq Mansoor

We recapitulate the Bayesian formulation of neural network based classifiers and show that, while sampling from the posterior does indeed lead to better generalisation than is obtained by standard optimisation of the cost function, even…

机器学习 · 统计学 2019-04-09 Robert J. N. Baldock , Nicola Marzari

The objective of this study is to predict suicidal and non-suicidal deaths from DNA methylation data using a modern machine learning algorithm. We used support vector machines to classify existing secondary data consisting of normalized…

基因组学 · 定量生物学 2020-04-07 Rifat Zahan , Ian McQuillan , Nathaniel D. Osgood

Under normality and homoscedasticity assumptions, Linear Discriminant Analysis (LDA) is known to be optimal in terms of minimising the Bayes error for binary classification. In the heteroscedastic case, LDA is not guaranteed to minimise…

机器学习 · 计算机科学 2017-03-27 Kojo Sarfo Gyamfi , James Brusey , Andrew Hunt , Elena Gaura