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Approximate Bayesian Computation (ABC) methods are commonly used to approximate posterior distributions in models with unknown or computationally intractable likelihoods. Classical ABC methods are based on nearest neighbor type algorithms…

统计方法学 · 统计学 2025-06-24 Meili Baragatti , Casenave Céline , Bertrand Cloez , David Métivier , Isabelle Sanchez

Model merging aims to integrate the strengths of multiple fine-tuned models into a unified model while preserving task-specific capabilities. Existing methods, represented by task arithmetic, are typically classified into global- and…

机器学习 · 计算机科学 2025-06-17 Kunda Yan , Min Zhang , Sen Cui , Zikun Qu , Bo Jiang , Feng Liu , Changshui Zhang

In recent years, simulation methods based on the scaling of atomic potential functions, such as quasi-coarse-grained dynamics and coarse-grained dynamics, have shown promising results for modeling crystalline systems at multiple scales.…

介观与纳米尺度物理 · 物理学 2024-09-11 Dong-Dong Jiang , Jian-Li Shao

We develop an envelope model for joint mean and covariance regression in the large $p$, small $n$ setting. In contrast to existing envelope methods, which improve mean estimates by incorporating estimates of the covariance structure, we…

统计方法学 · 统计学 2020-10-02 Alexander Franks

Cyber-Physical Systems (CPS) pose new challenges to verification and validation that go beyond the proof of functional correctness based on high-level models. Particular challenges are, in particular for formal methods, its heterogeneity…

软件工程 · 计算机科学 2017-05-02 Carna Radojicic , Christoph Grimm , Axel Jantsch , Michael Rathmair

Active learning in computer experiments aims at allocating resources in an intelligent manner based on the already observed data to satisfy certain objectives such as emulating or optimizing a computationally expensive function. There are…

统计方法学 · 统计学 2025-01-24 Difan Song , V. Roshan Joseph

The primary goal of this paper is to localize objects in a group of semantically similar images jointly, also known as the object co-localization problem. Most related existing works are essentially weakly-supervised, relying prominently on…

计算机视觉与模式识别 · 计算机科学 2022-02-17 Koteswar Rao Jerripothula , Prerana Mukherjee

This paper addresses the challenge of achieving reliable and robust positioning of a mobile agent, such as a radio device carried by a person, in scenarios where direct line-of-sight (LOS) links are obstructed or unavailable. The human body…

信号处理 · 电气工程与系统科学 2024-03-26 Hong Zhu , Alexander Venus , Erik Leitinger , Stefan Tertinek , Klaus Witrisal

Gradient-weighted Class Activation Mapping (Grad- CAM), is an example-based explanation method that provides a gradient activation heat map as an explanation for Convolution Neural Network (CNN) models. The drawback of this method is that…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Tanmay Chakraborty , Utkarsh Trehan , Khawla Mallat , Jean-Luc Dugelay

Recent advancements in Artificial Neural Networks have significantly improved human activity recognition using multiple time-series sensors. While employing numerous sensors with high-frequency sampling rates usually improves the results,…

信号处理 · 电气工程与系统科学 2024-10-11 Mengxi Liu , Zimin Zhao , Daniel Geißler , Bo Zhou , Sungho Suh , Paul Lukowicz

Background: When conducting a meta-analysis of a continuous outcome, estimated means and standard deviations from the selected studies are required in order to obtain an overall estimate of the mean effect and its confidence interval. If…

统计方法学 · 统计学 2020-04-07 Deukwoo Kwon , Isildinha M. Reis

CNN visualization and interpretation methods, like class-activation maps (CAMs), are typically used to highlight the image regions linked to class predictions. These models allow to simultaneously classify images and extract class-dependent…

计算机视觉与模式识别 · 计算机科学 2020-11-17 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Modeling electronic systems is an important application for quantum computers. In the context of materials science, an important open problem is the computational description of chemical reactions on surfaces. In this work, we outline a…

Sensor-based human activity recognition (HAR) is now a research hotspot in multiple application areas. With the rise of smart wearable devices equipped with inertial measurement units (IMUs), researchers begin to utilize IMU data for HAR.…

计算机视觉与模式识别 · 计算机科学 2020-03-09 Fanyi Xiao , Ling Pei , Lei Chu , Danping Zou , Wenxian Yu , Yifan Zhu , Tao Li

High-resolution functional imaging is providing increasingly rich measurements of brain activity in animals and humans. A major challenge is to leverage such data to gain insight into the brain's computational mechanisms. The first step is…

神经元与认知 · 定量生物学 2016-08-09 Nikolaus Kriegeskorte , Jörn Diedrichsen

An important challenge in robotics is understanding the interactions between robots and deformable terrains that consist of granular material. Granular flows and their interactions with rigid bodies still pose several open questions. A…

机器学习 · 计算机科学 2021-11-22 Amin Haeri , Krzysztof Skonieczny

Semi-structured regression models enable the joint modeling of interpretable structured and complex unstructured feature effects. The structured model part is inspired by statistical models and can be used to infer the input-output…

机器学习 · 计算机科学 2024-01-24 Daniel Dold , David Rügamer , Beate Sick , Oliver Dürr

We investigate the application of active inference in developing energy-efficient control agents for manufacturing systems. Active inference, rooted in neuroscience, provides a unified probabilistic framework integrating perception,…

机器学习 · 计算机科学 2025-05-28 Yavar Taheri Yeganeh , Mohsen Jafari , Andrea Matta

Class Activation Mapping (CAM) methods are widely used to generate visual explanations for deep learning classifiers in medical imaging. However, existing evaluation frameworks assess whether explanations are correct, measured by…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Kabilan Elangovan , Daniel Ting

Subspace clustering is a classical technique that has been widely used for human motion segmentation and other related tasks. However, existing segmentation methods often cluster data without guidance from prior knowledge, resulting in…

计算机视觉与模式识别 · 计算机科学 2022-02-11 Tao Zhou , Huazhu Fu , Chen Gong , Ling Shao , Fatih Porikli , Haibin Ling , Jianbing Shen