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Joint-embedding predictive architectures (JEPAs) have shown substantial promise in self-supervised representation learning, yet their application in generative modeling remains underexplored. Conversely, diffusion models have demonstrated…

机器学习 · 计算机科学 2025-02-05 Dengsheng Chen , Jie Hu , Xiaoming Wei , Enhua Wu

Feature selection plays a pivotal role in the data preprocessing and model-building pipeline, significantly enhancing model performance, interpretability, and resource efficiency across diverse domains. In population-based optimization…

The Zoetrope Genetic Programming (ZGP) algorithm is based on an original representation for mathematical expressions, targeting evolutionary symbolic regression.The zoetropic representation uses repeated fusion operations between partial…

Optimal subset selection is an important task that has numerous algorithms designed for it and has many application areas. STPGA contains a special genetic algorithm supplemented with a tabu memory property (that keeps track of previously…

统计方法学 · 统计学 2017-02-28 Deniz Akdemir

Practical optimization problems may contain different kinds of difficulties that are often not tractable if one relies on a particular optimization method. Different optimization approaches offer different strengths that are good at…

神经与进化计算 · 计算机科学 2024-07-08 Ankur Sinha , Dhaval Pujara , Hemant Kumar Singh

Context. Mathematical optimization can be used as a computational tool to obtain the optimal solution to a given problem in a systematic and efficient way. For example, in twice-differentiable functions and problems with no constraints, the…

天体物理仪器与方法 · 物理学 2009-05-25 J. Canto , S. Curiel , E. Martinez-Gomez

We propose a genetic algorithm powered evolution (GAPE) method to create deep learning solutions for energy and position estimation for reactor antineutrino interactions in the Precision Reactor Oscillation and Spectrum Experiment…

Hyperparameter optimization (HPO) is an important step in machine learning (ML) model development, but common practices are archaic -- primarily relying on manual or grid searches. This is partly because adopting advanced HPO algorithms…

机器学习 · 计算机科学 2024-02-08 Sungduk Yu , Mike Pritchard , Po-Lun Ma , Balwinder Singh , Sam Silva

Accurate exploration of protein conformational ensembles is essential for uncovering function but remains hard because molecular-dynamics (MD) simulations suffer from high computational costs and energy-barrier trapping. This paper presents…

机器学习 · 计算机科学 2025-11-14 Yuancheng Sun , Yuxuan Ren , Zhaoming Chen , Xu Han , Kang Liu , Qiwei Ye

The aim of global optimization is to find the global optimum of arbitrary classes of functions, possibly highly multimodal ones. In this paper we focus on the subproblem of global optimization for differentiable functions and we propose an…

神经与进化计算 · 计算机科学 2018-06-18 Louis Faury , Flavian Vasile , Clément Calauzènes , Olivier Fercoq

HyperParameter Optimization (HPO) aims at finding the best HyperParameters (HPs) of learning models, such as neural networks, in the fastest and most efficient way possible. Most recent HPO algorithms try to optimize HPs regardless of the…

机器学习 · 计算机科学 2023-04-11 Antoine Scardigli , Paul Fournier , Matteo Vilucchio , David Naccache

Evolutionary multiobjective optimization (EMO) has made significant strides over the past two decades. However, as problem scales and complexities increase, traditional EMO algorithms face substantial performance limitations due to…

神经与进化计算 · 计算机科学 2025-07-11 Zhenyu Liang , Hao Li , Naiwei Yu , Kebin Sun , Ran Cheng

Within the optimization community, the question of how to generate new optimization problems has been gaining traction in recent years. Within topics such as instance space analysis (ISA), the generation of new problems can provide new…

神经与进化计算 · 计算机科学 2023-05-25 Fu Xing Long , Diederick Vermetten , Anna V. Kononova , Roman Kalkreuth , Kaifeng Yang , Thomas Bäck , Niki van Stein

Next Generation Sequencing can sample the whole genome (WGS) or the 1-2% of the genome that codes for proteins called the whole exome (WES). Machine learning approaches to variant calling achieve high accuracy in WGS data, but the reduced…

基因组学 · 定量生物学 2019-11-19 Ren Yi , Pi-Chuan Chang , Gunjan Baid , Andrew Carroll

Two-dimensional (2D) Multiple Signal Classification algorithm is a powerful technique for high-resolution direction-of-arrival (DOA) estimation in array signal processing. However, the exhaustive search over the 2D an-gular domain leads to…

信号处理 · 电气工程与系统科学 2025-07-29 Bo Zhou , Kaijie Xu , Yinghui Quan , Mengdao Xing

Accurate screening of cancer types is crucial for effective cancer detection and precise treatment selection. However, the association between gene expression profiles and tumors is often limited to a small number of biomarker genes. While…

神经与进化计算 · 计算机科学 2024-04-09 Xubin Wang , Yunhe Wang , Zhiqing Ma , Ka-Chun Wong , Xiangtao Li

Generalization error predictors (GEPs) aim to predict model performance on unseen distributions by deriving dataset-level error estimates from sample-level scores. However, GEPs often utilize disparate mechanisms (e.g., regressors,…

机器学习 · 计算机科学 2023-05-30 Puja Trivedi , Danai Koutra , Jayaraman J. Thiagarajan

As evolutionary algorithms (EAs) are general-purpose optimization algorithms, recent theoretical studies have tried to analyze their performance for solving general problem classes, with the goal of providing a general theoretical…

神经与进化计算 · 计算机科学 2022-11-29 Chao Qian

In this work, we illustrate an example of estimating the macro-model of velocities in the subsurface through the use of global optimization methods (GOMs). The optimization problem is solved using DEAP (Distributed Evolutionary Algorithms…

地球物理 · 物理学 2019-05-31 Oscar F. Mojica , Navjot Kukreja

In the recent years, various gradient descent algorithms including the methods of gradient descent, gradient descent with momentum, adaptive gradient (AdaGrad), root-mean-square propagation (RMSProp) and adaptive moment estimation (Adam)…

机器学习 · 计算机科学 2024-09-19 Abel C. H. Chen