中文
相关论文

相关论文: Accelerating prototype selection with spatial abst…

200 篇论文

Multilevel strategies are an integral part of many image registration algorithms. These strategies are very well-known for avoiding undesirable local minima, providing an outstanding initial guess, and reducing overall computation time.…

信号处理 · 电气工程与系统科学 2020-01-22 Hari Om Aggrawal , Jan Modersitzki

Online sampling-supported visual analytics is increasingly important, as it allows users to explore large datasets with acceptable approximate answers at interactive rates. However, existing online spatiotemporal sampling techniques are…

This paper considers the creation of parametric surrogate models for applications in science and engineering where the goal is to predict high-dimensional spatiotemporal output quantities of interest, such as pressure, temperature and…

计算物理 · 物理学 2022-03-24 Chi Hoang , Kenny Chowdhary , Kookjin Lee , Jaideep Ray

In this paper, a simulation-based method for the analysis and design of abstracted models for a stochastic hybrid system is proposed. The accuracy of a model is evaluated in terms of its capability to reproduce the system output for all the…

系统与控制 · 计算机科学 2014-05-29 M. Prandini , S. Garatti , R. Vignali

Attaining prototypical features to represent class distributions is well established in representation learning. However, learning prototypes online from streaming data proves a challenging endeavor as they rapidly become outdated, caused…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Matthias De Lange , Tinne Tuytelaars

State abstraction has been an essential tool for dramatically improving the sample efficiency of reinforcement-learning algorithms. Indeed, by exposing and accentuating various types of latent structure within the environment, different…

机器学习 · 计算机科学 2021-06-18 Dilip Arumugam , Benjamin Van Roy

In this work, we study and analyze different feature selection algorithms that can be used to classify cancer subtypes in case of highly varying high-dimensional data. We apply three different feature selection methods on five different…

机器学习 · 计算机科学 2021-10-01 Vaibhav Sinha , Siladitya Dash , Nazma Naskar , Sk Md Mosaddek Hossain

We introduce a new technique for the efficient management of large sequences of multidimensional data, which takes advantage of regularities that arise in real-world datasets and supports different types of aggregation queries. More…

数据结构与算法 · 计算机科学 2018-03-08 Nieves R. Brisaboa , Guillermo de Bernardo , Gonzalo Navarro , Tirso V. Rodeiro , Diego Seco

In this paper, we introduce a technique to enhance the computational efficiency of solution algorithms for high-dimensional discrete simulation-based optimization problems. The technique is based on innovative adaptive partitioning…

最优化与控制 · 数学 2024-12-04 Jing Lu , Tianli Zhou , Carolina Osorio

Over the last two decades we have witnessed strong progress on modeling visual object classes, scenes and attributes that have significantly contributed to automated image understanding. On the other hand, surprisingly little progress has…

计算机视觉与模式识别 · 计算机科学 2015-05-06 Mateusz Malinowski , Mario Fritz

When solving real-world problems, practitioners often hesitate to implement solutions obtained from mathematical models, especially for important decisions. This hesitation stems from practitioners' lack of trust in optimization models and…

最优化与控制 · 数学 2025-07-01 Susumu Hashimoto , Takeaki Uno

The purpose of this text is to provide an accessible introduction to a set of recently developed algorithms for factorizing matrices. These new algorithms attain high practical speed by reducing the dimensionality of intermediate…

数值分析 · 数学 2019-02-08 Per-Gunnar Martinsson

We initiate a study of a query-driven approach to designing partition trees for range-searching problems. Our model assumes that a data structure is to be built for an unknown query distribution that we can access through a sampling oracle,…

数据结构与算法 · 计算机科学 2025-02-20 Dimitris Fotakis , Andreas Kalavas , Ioannis Psarros

We consider the visual feature selection to improve the estimation quality required for the accurate navigation of a robot. We build upon a key property that asserts: contributions of trackable features (landmarks) appear linearly in the…

机器人学 · 计算机科学 2019-02-05 Hossein K. Mousavi , Nader Motee

Recent progress in deep learning has been driven by increasingly larger models. However, their computational and energy demands have grown proportionally, creating significant barriers to their deployment and to a wider adoption of deep…

机器学习 · 计算机科学 2025-09-16 Pedro Savarese

Utilizing an abstract information processing model based on minimal yet realistic assumptions inspired by biological systems, we study how to achieve the early visual system's two ultimate objectives: efficient information transmission and…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Cheng Guo

Lying on the heart of intelligent decision-making systems, how policy is represented and optimized is a fundamental problem. The root challenge in this problem is the large scale and the high complexity of policy space, which exacerbates…

机器学习 · 计算机科学 2022-09-19 Min Zhang , Hongyao Tang , Jianye Hao , Yan Zheng

Aiming to help researchers capture output from the early stages of engineering design projects, this article presents a new research tool for digitally capturing physical prototypes. The motivation for this work is to collect observations…

人机交互 · 计算机科学 2020-03-20 Jorgen F. Erichsen , Heikki Sjöman , Martin Steinert , Torgeir Welo

Lots of effort in neural architecture search (NAS) research has been dedicated to algorithmic development, aiming at designing more efficient and less costly methods. Nonetheless, the investigation of the initialization of these techniques…

机器学习 · 计算机科学 2021-08-23 Kalifou Rene Traore , Andrés Camero , Xiao Xiang Zhu

The nearest prototype classification is a less computationally intensive replacement for the $k$-NN method, especially when large datasets are considered. In metric spaces, centroids are often used as prototypes to represent whole clusters.…

机器学习 · 计算机科学 2021-07-06 Jaroslav Hlaváč , Martin Kopp , Jan Kohout