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Dataset condensation, a concept within data-centric learning, efficiently transfers critical attributes from an original dataset to a synthetic version, maintaining both diversity and realism. This approach significantly improves model…

机器学习 · 计算机科学 2025-01-20 Shitong Shao , Zikai Zhou , Huanran Chen , Zhiqiang Shen

We present an algorithm for focusing inversion of electrical resistivity tomography (ERT) data. ERT is a typical example of ill-posed problem. Regularization is the most common way to face this kind of problems; it basically consists in…

地球物理 · 物理学 2007-05-23 G. Pagliara , G. Vignoli

Various variants of the well known Covariance Matrix Adaptation Evolution Strategy (CMA-ES) have been proposed recently, which improve the empirical performance of the original algorithm by structural modifications. However, in practice it…

神经与进化计算 · 计算机科学 2018-08-20 Sander van Rijn , Hao Wang , Matthijs van Leeuwen , Thomas Bäck

Analysing two-dimensional shallow water equations with idealised bottom topographies have many applications in the atmospheric and oceanic sciences; however, restrictive flow pattern assumptions have been made to achieve explicit solutions.…

流体动力学 · 物理学 2023-05-01 Chang Liu , Antwan D. Clark

Existing research highlights the crucial role of topological priors in image segmentation, particularly in preserving essential structures such as connectivity and genus. Accurately capturing these topological features often requires…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Wenxiao Li , Xue-Cheng Tai , Jun Liu

Topological correctness is critical for segmentation of tubular structures, which pervade in biomedical images. Existing topological segmentation loss functions are primarily based on the persistent homology of the image. They match the…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Bo Wen , Haochen Zhang , Dirk-Uwe G. Bartsch , William R. Freeman , Truong Q. Nguyen , Cheolhong An

Analytic methods are emerging in solid and configuration modeling, while providing new insights into a variety of shape and motion related problems by exploiting tools from group morphology, convolution algebras, and harmonic analysis.…

计算几何 · 计算机科学 2017-12-05 Morad Behandish , Horea T. Ilies

We introduce a framework for analyzing topological tipping in time-evolutionary point clouds by extending the recently proposed Topological Optimal Transport (TpOT) distance. While TpOT unifies geometric, homological, and higher-order…

机器学习 · 统计学 2026-03-18 Yixin Wang , Ting Gao , Jinqiao Duan

Understanding the geometric structure of internal representations is a central goal of mechanistic interpretability. Prior work has shown that transformers trained on sequences generated by hidden Markov models encode probabilistic belief…

机器学习 · 计算机科学 2026-04-06 Matthew Levinson

Prompt-level safety probes for large language models use hidden-state representations to separate safe from unsafe prompts, but strong average detection performance does not explain the geometry of this separation. In particular, it remains…

机器学习 · 计算机科学 2026-05-21 Woo Seob Sim , Yu Rang Park

Large language models are remarkably capable, yet how computation propagates through their layers remains poorly understood. A growing line of work treats depth as discrete time and the residual stream as a dynamical system, where each…

机器学习 · 计算机科学 2026-05-15 Jesseba Fernando , Grigori Guitchounts

Enzymes are biological catalysts that can accelerate chemical reactions compared to uncatalyzed reactions in aqueous environments. Their catalytic efficiency is quantified by the turnover number (kcat), a parameter in enzyme kinetics.…

定量方法 · 定量生物学 2024-11-05 Xiaozhu Yu , Kai Yi , Yu Guang Wang , Yiqing Shen

Generative neural network models, including Generative Adversarial Network (GAN) and Auto-Encoders (AE), are among the most popular neural network models to generate adversarial data. The GAN model is composed of a generator that produces…

机器学习 · 计算机科学 2019-05-27 Jeremy Charlier , Radu State , Jean Hilger

As demand for computational resources reaches unprecedented levels, research is expanding into the use of complex material substrates for computing. In this study, we interface with a model of a hydrodynamic system, under development by a…

神经与进化计算 · 计算机科学 2023-04-24 Alessandro Pierro , Kristine Heiney , Shamit Shrivastava , Giulia Marcucci , Stefano Nichele

In this paper we present APEX-Embedding-7B (Advanced Processing for Epistemic eXtraction), a 7-billion parameter decoder-only text Feature Extraction Model, specifically designed for Document Retrieval-Augmented Generation (RAG) tasks. Our…

信息检索 · 计算机科学 2024-10-25 Thea Aviss

Large-scale mobile traffic analytics is becoming essential to digital infrastructure provisioning, public transportation, events planning, and other domains. Monitoring city-wide mobile traffic is however a complex and costly process that…

网络与互联网体系结构 · 计算机科学 2017-11-08 Chaoyun Zhang , Xi Ouyang , Paul Patras

Dataset distillation seeks to synthesize a compact distilled dataset, enabling models trained on it to achieve performance comparable to models trained on the full dataset. Recent methods for large-scale datasets focus on matching global…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Xiao Cui , Yulei Qin , Wengang Zhou , Hongsheng Li , Houqiang Li

We demonstrate the use of deep network to learn the distribution of data from state-of-the-art hydrodynamic simulations of the CAMELS project. To this end, we train a generative adversarial network to generate images composed of three…

宇宙学与河外天体物理 · 物理学 2024-10-25 Sambatra Andrianomena , Sultan Hassan , Francisco Villaescusa-Navarro

General Matrix Multiplication (GEMM) is a fundamental operation in many scientific workloads, signal processing, and particularly deep learning. It is often a bottleneck for performance and energy efficiency, especially in edge environments…

硬件体系结构 · 计算机科学 2025-11-11 Ilias Papalamprou , Dimosthenis Masouros , Ioannis Loudaros , Francky Catthoor , Dimitrios Soudris

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold