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Bayesian optimization (BO) is a promising approach for hyperparameter optimization of deep neural networks (DNNs), where each model training can take minutes to hours. In BO, a computationally cheap surrogate model is employed to learn the…

机器学习 · 计算机科学 2023-09-27 Romain Egele , Isabelle Guyon , Venkatram Vishwanath , Prasanna Balaprakash

Bayesian Optimisation (BO) is a state-of-the-art global optimisation technique for black-box problems where derivative information is unavailable, and sample efficiency is crucial. However, improving the general scalability of BO has proved…

最优化与控制 · 数学 2024-12-13 Luo Long , Coralia Cartis , Paz Fink Shustin

Latent ODE models provide flexible descriptions of dynamic systems, but they can struggle with extrapolation and predicting complicated non-linear dynamics. The latent ODE approach implicitly relies on encoders to identify unknown system…

机器学习 · 计算机科学 2024-10-14 Matt L. Sampson , Peter Melchior

Lookahead, also known as non-myopic, Bayesian optimization (BO) aims to find optimal sampling policies through solving a dynamic program (DP) that maximizes a long-term reward over a rolling horizon. Though promising, lookahead BO faces the…

机器学习 · 计算机科学 2022-07-26 Xubo Yue , Raed Al Kontar

Both computational and experimental material discovery bring forth the challenge of exploring multidimensional and multimodal parameter spaces, such as phase diagrams of Hamiltonians with multiple interactions, composition spaces of…

机器学习 · 计算机科学 2024-09-20 Arpan Biswas , Rama Vasudevan , Rohit Pant , Ichiro Takeuchi , Hiroshi Funakubo , Yongtao Liu

Learning for control can acquire controllers for novel robotic tasks, paving the path for autonomous agents. Such controllers can be expert-designed policies, which typically require tuning of parameters for each task scenario. In this…

机器人学 · 计算机科学 2020-08-20 Akshara Rai , Rika Antonova , Franziska Meier , Christopher G. Atkeson

Data generated from dynamical systems with unknown dynamics enable the learning of state observers that are: robust to modeling error, computationally tractable to design, and capable of operating with guaranteed performance. In this paper,…

系统与控制 · 电气工程与系统科学 2021-06-28 Ankush Chakrabarty , Mouhacine Benosman

Bayesian Optimization (BO) is typically used to optimize an unknown function $f$ that is noisy and costly to evaluate, by exploiting an acquisition function that must be maximized at each optimization step. Even if provably asymptotically…

机器学习 · 计算机科学 2024-02-09 Anthony Bardou , Patrick Thiran , Thomas Begin

The neural dynamics underlying brain activity are critical to understanding cognitive processes and mental disorders. However, current voxel-based whole-brain dimensionality reduction techniques fall short of capturing these dynamics,…

神经元与认知 · 定量生物学 2023-05-25 Eloy Geenjaar , Donghyun Kim , Riyasat Ohib , Marlena Duda , Amrit Kashyap , Sergey Plis , Vince Calhoun

Bayesian optimization (BO) is increasingly employed in critical applications to find the optimal design with minimal cost. While BO is known for its sample efficiency, relying solely on costly high-fidelity data can still result in high…

人工智能 · 计算机科学 2025-03-25 Zahra Zanjani Foumani , Ramin Bostanabad

Bayesian Optimization (BO) is a widely-used method for optimizing expensive-to-evaluate black-box functions. Traditional BO assumes that the learner has full control over all query variables without additional constraints. However, in many…

机器学习 · 计算机科学 2024-12-23 Vu Viet Hoang , Quoc Anh Hoang Nguyen , Hung Tran The

Sequential Bayesian optimal experimental design (SBOED) for PDE-governed inverse problems is computationally challenging, especially for infinite-dimensional random field parameters. High-fidelity approaches require repeated forward and…

最优化与控制 · 数学 2026-01-12 Kaichen Shen , Peng Chen

Few-Shot Learning (FSL) is a challenging task, which aims to recognize novel classes with few examples. Pre-training based methods effectively tackle the problem by pre-training a feature extractor and then performing class prediction via a…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Baoquan Zhang , Shanshan Feng , Bingqi Shan , Xutao Li , Yunming Ye , Yew-Soon Ong

This paper considers Bayesian optimization (BO) for problems with known outer problem structure. In contrast to the classic BO setting, where the objective function itself is unknown and needs to be iteratively estimated from noisy…

最优化与控制 · 数学 2025-03-19 Katrin Baumgärtner , Moritz Diehl

Multiscale stochastic dynamical systems have been widely adopted to a variety of scientific and engineering problems due to their capability of depicting complex phenomena in many real world applications. This work is devoted to…

机器学习 · 统计学 2024-01-02 Lingyu Feng , Ting Gao , Min Dai , Jinqiao Duan

Bayesian Optimization (BO) has shown promise in tuning processor design parameters. However, standard BO does not support constraints involving categorical parameters such as types of branch predictors and division circuits. In addition,…

硬件体系结构 · 计算机科学 2025-06-10 Haoran Wu , Ce Guo , Wayne Luk , Robert Mullins

Bayesian Optimization (BO) is a popular approach to optimizing expensive-to-evaluate black-box functions. Despite the success of BO, its performance may decrease exponentially as the dimensionality increases. A common framework to tackle…

机器学习 · 计算机科学 2024-12-24 Quoc-Anh Hoang Nguyen , The Hung Tran

In robotics, optimizing controller parameters under safety constraints is an important challenge. Safe Bayesian optimization (BO) quantifies uncertainty in the objective and constraints to safely guide exploration in such settings.…

机器学习 · 计算机科学 2023-06-13 Jonas Rothfuss , Christopher Koenig , Alisa Rupenyan , Andreas Krause

Optimizing objectives under constraints, where both the objectives and constraints are black box functions, is a common scenario in real-world applications such as scientific experimental design, design of medical therapies, and industrial…

机器学习 · 计算机科学 2023-10-16 Fengxue Zhang , Zejie Zhu , Yuxin Chen

Parameter identification for marine ecosystem models is important for the assessment and validation of marine ecosystem models against observational data. The surrogate-based optimization (SBO) is a computationally efficient method to…

大气与海洋物理 · 物理学 2021-12-01 Markus Pfeil , Thomas Slawig