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We propose a semi-partitioned Generalized Method of Moments (GMM) framework for analyzing longitudinal data with time-dependent covariates, within a marginal modeling paradigm. This approach addresses limitations of both aggregated and…

统计方法学 · 统计学 2026-03-04 Niloofar Ramezani , Jeffrey R. Wilson

Markov Chain Monte Carlo (MCMC) algorithms are widely used for stochastic optimization, sampling, and integration of mathematical objective functions, in particular, in the context of Bayesian inverse problems and parameter estimation. For…

数据分析、统计与概率 · 物理学 2020-10-12 Shashank Kumbhare , Amir Shahmoradi

Large vision-language models (LVLMs) have achieved impressive performance across multimodal tasks, but their reliance on visual inputs exposes them to adversarial threats. Encoder-based attacks provide an efficient alternative to end-to-end…

密码学与安全 · 计算机科学 2026-05-26 Xinwei Zhang , Li Bai , Tianwei Zhang , Youqian Zhang , Qingqing Ye , Yingnan Zhao , Ruochen Du , Haibo Hu

Large language models (LLMs) have been proposed as powerful tools for detecting software vulnerabilities, where task-specific fine-tuning is typically employed to provide vulnerability-specific knowledge to the LLMs. However, existing…

软件工程 · 计算机科学 2025-07-22 Ruijun Feng , Hammond Pearce , Pietro Liguori , Yulei Sui

Docking-based virtual screening (VS process) selects ligands with potential pharmacological activities from millions of molecules using computational docking methods, which greatly could reduce the number of compounds for experimental…

定量方法 · 定量生物学 2021-10-26 Wei Ma , Qin Xie , Jianhang Zhang , Shiliang Li , Youjun Xu , Xiaobing Deng , Weilin Zhang

Recent advancements in 3D Gaussian Splatting (3DGS) have made a significant impact on rendering and reconstruction techniques. Current research predominantly focuses on improving rendering performance and reconstruction quality using…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Yinlong Bai , Hongxin Zhang , Sheng Zhong , Junkai Niu , Hai Li , Yijia He , Yi Zhou

Subatomic particle track reconstruction (tracking) is a vital task in High-Energy Physics experiments. Tracking is exceptionally computationally challenging and fielded solutions, relying on traditional algorithms, do not scale linearly.…

高能物理 - 实验 · 物理学 2024-07-12 Uraz Odyurt , Stephen Nicholas Swatman , Ana-Lucia Varbanescu , Sascha Caron

Stochastic gradient descent (SGD) method is popular for solving non-convex optimization problems in machine learning. This work investigates SGD from a viewpoint of graduated optimization, which is a widely applied approach for non-convex…

最优化与控制 · 数学 2023-08-15 Da Li , Jingjing Wu , Qingrun Zhang

Meshless methods are often used in numerical simulations of systems of partial differential equations (PDEs), particularly those which involve complex geometries or free surfaces. Here we present a novel compact scheme based on the local…

数值分析 · 数学 2026-03-13 Henry M. Broadley , Steven J. Lind , Jack R. C. King

Computing the loss gradient via backpropagation consumes considerable energy during deep learning (DL) model training. In this paper, we propose a novel approach to efficiently compute DL models' gradients to mitigate the substantial energy…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Challapalli Phanindra Revanth , Sumohana S. Channappayya , C Krishna Mohan

Wrapping a computation domain with a perfectly matched layer (PML) is one of the most effective methods of imitating/approximating the radiation boundary condition in Maxwell and wave equation solvers. Many PML implementations often use a…

数值分析 · 数学 2021-09-03 Liang Chen , Mehmet Burak Ozakin , Shehab Ahmed , Hakan Bagci

We present "torchGDM", a numerical framework for nano-optical simulations based on the Green's Dyadic Method (GDM). This toolkit combines a hybrid approach, allowing for both fully discretized nano-structures and structures approximated by…

Fracture modeling of metallic alloys with microscopic pores relies on multiscale damage simulations which typically ignore the manufacturing-induced spatial variabilities in porosity. This simplification is made because of the prohibitive…

计算工程、金融与科学 · 计算机科学 2022-09-12 Shiguang Deng , Carlos Mora , Diran Apelian , Ramin Bostanabad

Meshfree simulation methods are emerging as compelling alternatives to conventional mesh-based approaches, particularly in the fields of Computational Fluid Dynamics (CFD) and continuum mechanics. In this publication, we provide a…

机器学习 · 计算机科学 2024-03-21 Paulami Banerjee , Mohan Padmanabha , Chaitanya Sanghavi , Isabel Michel , Simone Gramsch

Image generation algorithms are increasingly integral to diverse aspects of human society, driven by their practical applications. However, insufficient oversight in artificial Intelligence generated content (AIGC) can facilitate the spread…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Wenhao Luo , Zhangyi Shen , Ye Yao , Feng Ding , Guopu Zhu , Weizhi Meng

This paper presents a 3D lidar SLAM system based on improved regionalized Gaussian process (GP) map reconstruction to provide both low-drift state estimation and mapping in real-time for robotics applications. We utilize spatial GP…

机器人学 · 计算机科学 2023-03-10 Jianyuan Ruan , Bo Li , Yinqiang Wang , Zhou Fang

In this article, an original data-driven approach is proposed to detect both linear and nonlinear damage in structures using output-only responses. The method deploys variational mode decomposition (VMD) and a generalised autoregressive…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Vahid Reza Gharehbaghi , Hashem Kalbkhani , Ehsan Noroozinejad Farsangi , T. Y. Yang , Seyedali Mirjalili

This paper proposes a methodology of integrating the Linear Graph (LG) approach with Genetic Programming (GP) for generating an automated multi-domain engineering design approach by using the in-house developed LG MATLAB toolbox and the GP…

系统与控制 · 电气工程与系统科学 2021-09-28 Eric McCormick , Haoxiang Lang , Clarence W. de Silva

Large Language Models (LLMs) have strong capabilities in code comprehension, but fine-tuning costs and semantic alignment issues limit their project-specific optimization; conversely, code models such CodeBERT are easy to fine-tune, but it…

软件工程 · 计算机科学 2024-07-22 Ziliang Wang , Ge Li , Jia Li , Yingfei Xiong , Jia Li , Meng Yan , Zhi Jin

With advances in deep learning, exponential data growth and increasing model complexity, developing efficient optimization methods are attracting much research attention. Several implementations favor the use of Conjugate Gradient (CG) and…

机器学习 · 计算机科学 2020-03-02 Buse Melis Ozyildirim , Mariam Kiran