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Bayesian optimization (BO) is a sample efficient approach to automatically tune the hyperparameters of machine learning models. In practice, one frequently has to solve similar hyperparameter tuning problems sequentially. For example, one…

机器学习 · 计算机科学 2021-02-26 Samuel Horváth , Aaron Klein , Peter Richtárik , Cédric Archambeau

In this paper, we consider the problem of building learning agents that can efficiently learn to navigate in constrained environments. The main goal is to design agents that can efficiently learn to understand and generalize to different…

机器学习 · 计算机科学 2020-03-04 Kei Ota , Yoko Sasaki , Devesh K. Jha , Yusuke Yoshiyasu , Asako Kanezaki

The growing ubiquity of machine learning (ML) has led it to enter various areas of computer science, including black-box optimization (BBO). Recent research is particularly concerned with Bayesian optimization (BO). BO-based algorithms are…

机器学习 · 计算机科学 2024-01-04 Elena Raponi , Nathanael Rakotonirina Carraz , Jérémy Rapin , Carola Doerr , Olivier Teytaud

Real-world robots are becoming increasingly complex and commonly act in poorly understood environments where it is extremely challenging to model or learn their true dynamics. Therefore, it might be desirable to take a task-specific…

系统与控制 · 计算机科学 2017-09-25 Somil Bansal , Roberto Calandra , Ted Xiao , Sergey Levine , Claire J. Tomlin

When it comes to expensive black-box optimization problems, Bayesian Optimization (BO) is a well-known and powerful solution. Many real-world applications involve a large number of dimensions, hence scaling BO to high dimension is of much…

机器学习 · 统计学 2024-12-18 Lam Ngo , Huong Ha , Jeffrey Chan , Hongyu Zhang

This paper deals with the identification of linear stochastic dynamical systems, where the unknowns include system coefficients and noise variances. Conventional approaches that rely on the maximum likelihood estimation (MLE) require…

机器学习 · 统计学 2025-08-18 Jinwen Xu , Qin Lu , Yaakov Bar-Shalom

Anomaly detection is increasingly important to handle the amount of sensor data in Edge and Fog environments, Smart Cities, as well as in Industry 4.0. To ensure good results, the utilized ML models need to be updated periodically to adapt…

分布式、并行与集群计算 · 计算机科学 2021-09-28 Soeren Becker , Florian Schmidt , Lauritz Thamsen , Ana Juan Ferrer , Odej Kao

Bayesian optimization (BO) is a popular approach for sample-efficient optimization of black-box objective functions. While BO has been successfully applied to a wide range of scientific applications, traditional approaches to…

机器学习 · 计算机科学 2023-05-04 Natalie Maus , Kaiwen Wu , David Eriksson , Jacob Gardner

Recent advances in deep clustering and unsupervised representation learning are based on the idea that different views of an input image (generated through data augmentation techniques) must either be closer in the representation space, or…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Jayanth Reddy Regatti , Aniket Anand Deshmukh , Eren Manavoglu , Urun Dogan

The high cost and data scarcity in scientific exploration have motivated the use of large language models (LLMs) as knowledge-driven components in Bayesian optimization (BO). However, existing approaches typically embed LLMs directly into…

This paper proposes a novel approach for global localisation of mobile robots in large-scale environments. Our method leverages learning-based localisation and filtering-based localisation, to localise the robot efficiently and precisely…

机器人学 · 计算机科学 2020-07-17 Li Sun , Daniel Adolfsson , Martin Magnusson , Henrik Andreasson , Ingmar Posner , Tom Duckett

Bayesian optimization is normally performed within fixed variable bounds. In cases like hyperparameter tuning for machine learning algorithms, setting the variable bounds is not trivial. It is hard to guarantee that any fixed bounds will…

最优化与控制 · 数学 2020-01-15 Wei Chen , Mark Fuge

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

A key component of cognitive radar is the ability to generalize, or achieve consistent performance across a range of sensing environments, since aspects of the physical scene may vary over time. This presents a challenge for learning-based…

信息论 · 计算机科学 2023-02-08 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Effective residential appliance scheduling is crucial for sustainable living. While multi-objective reinforcement learning (MORL) has proven effective in balancing user preferences in appliance scheduling, traditional MORL struggles with…

机器学习 · 计算机科学 2024-07-17 Junlin Lu , Patrick Mannion , Karl Mason

This study proposes an adaptive experimental design framework for a channel-simulation-based base station (BS) design that supports the joint optimization of transmission power and placement. We consider a system in which multiple…

网络与互联网体系结构 · 计算机科学 2024-10-08 Koya Sato , Katsuya Suto

This paper presents a data-driven localization framework with high precision in time-varying complex multipath environments, such as dense urban areas and indoors, where GPS and model-based localization techniques come short. We consider…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Farzam Hejazi , Katarina Vuckovic , Nazanin Rahnavard

The ability to walk in new scenarios is a key milestone on the path toward real-world applications of legged robots. In this work, we introduce Meta Strategy Optimization, a meta-learning algorithm for training policies with latent variable…

机器人学 · 计算机科学 2020-02-18 Wenhao Yu , Jie Tan , Yunfei Bai , Erwin Coumans , Sehoon Ha

Continual learning models allow to learn and adapt to new changes and tasks over time. However, in continual and sequential learning scenarios in which the models are trained using different data with various distributions, neural networks…

机器学习 · 计算机科学 2020-08-17 HongLin Li , Payam Barnaghi , Shirin Enshaeifar , Frieder Ganz

Training a deep neural network with noisy labels could reduce data annotation cost but may introduce noise into the learned model. In meta label correction approaches, an additional meta model besides the main model is trained with a small,…

机器学习 · 计算机科学 2026-05-19 Ba Hoang Anh Nguyen , Viet Cuong Ta