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Mathematical morphology is a theory and technique to collect features like geometric and topological structures in digital images. Given a target image, determining suitable morphological operations and structuring elements is a cumbersome…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Yucong Shen , Xin Zhong , Frank Y. Shih

The application machine learning (ML) algorithms to turbulence modeling has shown promise over the last few years, but their application has been restricted to eddy viscosity based closure approaches. In this article we discuss rationale…

流体动力学 · 物理学 2021-05-31 J. P. Panda , H. V. Warrior

The machine learning of lattice operators has three possible bottlenecks. From a statistical standpoint, it is necessary to design a constrained class of operators based on prior information with low bias, and low complexity relative to the…

机器学习 · 计算机科学 2024-06-21 Diego Marcondes , Junior Barrera

Structured LLM workflows, where specialized LLM sub-agents execute according to a predefined graph, have become a powerful abstraction for solving complex tasks. Optimizing such workflows, i.e., selecting configurations for each sub-agent…

计算与语言 · 计算机科学 2026-05-14 Junyan Li , Zhang-Wei Hong , Maohao Shen , Yang Zhang , Chuang Gan

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

Optimization networks are a new methodology for holistically solving interrelated problems that have been developed with combinatorial optimization problems in mind. In this contribution we revisit the core principles of optimization…

Unsupervised feature learning often finds low-dimensional embeddings that capture the structure of complex data. For tasks for which prior expert topological knowledge is available, incorporating this into the learned representation may…

机器学习 · 计算机科学 2022-03-08 Robin Vandaele , Bo Kang , Jefrey Lijffijt , Tijl De Bie , Yvan Saeys

To deal with the complexity of the new bigger and more complex generation of data, machine learning (ML) techniques are probably the first and foremost used. For ML algorithms to produce results in a reasonable amount of time, they need to…

机器学习 · 计算机科学 2020-01-10 Imen Chakroun , Tom Vander Aa , Thomas J. Ashby

A novel technique using machine learning (ML) to reduce the computational cost of evaluating lattice quantum chromodynamics (QCD) observables is presented. The ML is trained on a subset of background gauge field configurations, called the…

高能物理 - 格点 · 物理学 2019-07-24 Boram Yoon , Tanmoy Bhattacharya , Rajan Gupta

Automated machine learning (AutoML) methods improve upon existing models by optimizing various aspects of their design. While present methods focus on hyperparameters and neural network topologies, other aspects of neural network design can…

机器学习 · 计算机科学 2023-04-10 Garrett Bingham

In this paper, we present a topology optimization (TO) framework to enable automated design of mechanical components while ensuring the result can be manufactured using multi-axis machining. Although TO improves the part's performance, the…

计算工程、金融与科学 · 计算机科学 2020-02-19 Amir M. Mirzendehdel , Morad Behandish , Saigopal Nelaturi

We introduce a computational framework for the topology optimization of cellular structures with spatially varying architecture, which is applied to functionally graded truss lattices under quasistatic loading. We make use of a first-order…

其他凝聚态物理 · 物理学 2022-05-31 Bastian Telgen , Ole Sigmund , Dennis M. Kochmann

To find the best lattice model representation of a given full atom protein structure is a hard computational problem. Several greedy methods have been suggested where results are usually biased and leave room for improvement. In this paper…

计算工程、金融与科学 · 计算机科学 2010-05-12 Martin Mann , Alessandro Dal Palù

Topology optimization facilitates the automated design of high-performance structures across various engineering fields but, if unconstrained, often produces designs that are complex and difficult to manufacture. A key attribute of the…

应用物理 · 物理学 2025-04-25 Vanessa Cool , Niels Aage , Ole Sigmund

In the Multi-task Learning (MTL) framework, every task demands distinct feature representations, ranging from low-level to high-level attributes. It is vital to address the specific (feature/parameter) needs of each task, especially in…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Richa Upadhyay , Ronald Phlypo , Rajkumar Saini , Marcus Liwicki

We present a machine learning approach that leverages persistent homology to classify bacterial flagellar motors into two functional states: rotated and stalled. By embedding protein structural data into a topological framework, we extract…

生物大分子 · 定量生物学 2025-12-19 Zakaria Lamine , Abdelatif Hafid , Mohamed Rahouti

Lattice QCD is notorious for its computational expense. Modern lattice simulations require large-scale computational resources to handle the large number of Dirac operator inversions used to construct correlation functions. Machine learning…

高能物理 - 格点 · 物理学 2025-01-15 Octavio Vega , Andrew Lytle , Jiayu Shen , Aida X. El-Khadra

The focus of this paper is a proof of concept, machine learning (ML) pipeline that extracts heart rate from pressure sensor data acquired on low-power edge devices. The ML pipeline consists an upsampler neural network, a signal quality…

机器学习 · 计算机科学 2022-08-18 Preetam Anbukarasu , Shailesh Nanisetty , Ganesh Tata , Nilanjan Ray

This paper proposes topology optimization for considering shielding and penetrating features. Based on the fictitious physical model, which is a useful approach to control geometric features, the proposed method analyzes fictitious…

最优化与控制 · 数学 2025-02-11 Daiki Soma , Kota Sakai , Takayuki Yamada

Reduced order models are computationally inexpensive approximations that capture the important dynamical characteristics of large, high-fidelity computer models of physical systems. This paper applies machine learning techniques to improve…

机器学习 · 计算机科学 2015-11-11 Azam Moosavi , Razvan Stefanescu , Adrian Sandu