Research

Papers

Research papers from arXiv and related sources

Total: 4513 AI/LLM: 2483 Testing: 2030
TESTING

Elastic neutrino-electron scattering perspectives at nuclear reactors

The determination of the weak mixing angle, $\sin^2θ_W$, at low momentum transfers remains a powerful test of the Standard Model and its potential new physics extensions. In this paper, we explore ...

Luis A. Delgadillo, Qishan Liu, Randhir Singh

2602.21523 2026-02-25
TESTING

Deep Unfolding Real-Time Super-Resolution Using Subpixel-Shift Twin Image and Convex Self-Similarity Prior

Multi-image super-resolution (MISR) is a critical technique for satellite remote sensing. In the perspective of information, twin-image super-resolution (TISR) is regarded as the most challenging M...

Chia-Hsiang Lin, Wei-Chih Liu, Yu-En Chiu, Jhao-Ting Lin

2602.21513 2026-02-25
TESTING

AHAN: Asymmetric Hierarchical Attention Network for Identical Twin Face Verification

Identical twin face verification represents an extreme fine-grained recognition challenge where even state-of-the-art systems fail due to overwhelming genetic similarity. Current face recognition m...

Hoang-Nhat Nguyen

2602.21503 2026-02-25
TESTING

See It, Say It, Sorted: An Iterative Training-Free Framework for Visually-Grounded Multimodal Reasoning in LVLMs

Recent large vision-language models (LVLMs) have demonstrated impressive reasoning ability by generating long chain-of-thought (CoT) responses. However, CoT reasoning in multimodal contexts is high...

Yongchang Zhang, Xianzheng Ma, Tianyi Liu, Guangquan Zhou, Yang Chen

2602.21497 2026-02-25
TESTING

Global Sequential Testing for Multi-Stream Auditing

Across many risk-sensitive areas, it is critical to continuously audit the performance of machine learning systems and detect any unusual behavior quickly. This can be modeled as a sequential hypot...

Beepul Bharti, Ambar Pal, Jeremias Sulam

2602.21479 2026-02-25
TESTING

A Knowledge-Driven Approach to Music Segmentation, Music Source Separation and Cinematic Audio Source Separation

We propose a knowledge-driven, model-based approach to segmenting audio into single-category and mixed-category chunks with applications to source separation. "Knowledge" here denotes information a...

Chun-wei Ho, Sabato Marco Siniscalchi, Kai Li, Chin-Hui Lee

2602.21476 2026-02-25
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Measuring elastic properties of granular hydrogels: Effects of capillary interaction and ionic conditions

The elastic properties of granular hydrogels are commonly characterised under wet conditions, yet the influence of capillary interactions remains unclear. In practical applications, hydrogels opera...

Jiayin Zhao, Haiyi Zhong, Yixiang Gan

2602.21457 2026-02-25
TESTING

Adversarial Robustness of Deep Learning-Based Thyroid Nodule Segmentation in Ultrasound

Introduction: Deep learning-based segmentation models are increasingly integrated into clinical imaging workflows, yet their robustness to adversarial perturbations remains incompletely characteriz...

Nicholas Dietrich, David McShannon

2602.21452 2026-02-25
TESTING

Surrogate-assisted global sensitivity analysis of a hybrid-dimensional Stokes--Brinkman--Darcy model

Development of new multiscale mathematical models often entails considerable complexity and multiple undetermined parameters, typically arising from closure relations. To enable reliable simulation...

Linheng Ruan, Ilja Kröker, Sergey Oladyshkin, Iryna Rybak

2602.21448 2026-02-24
TESTING

VLA Knows Its Limits

Action chunking has recently emerged as a standard practice in flow-based Vision-Language-Action (VLA) models. However, the effect and choice of the execution horizon - the number of actions to be ...

Haoxuan Wang, Gengyu Zhang, Yan Yan, Ramana Rao Kompella, Gaowen Liu

2602.21445 2026-02-24
TESTING

Breathing Black Hole Shadows in Modified Gravity (MOG)

In this paper, we investigate the dynamic phenomenological signatures of a Schwarzschild-MOG black hole shadow perturbed by passing gravitational waves. By perturbing the Hamilton-Jacobi equation f...

Nikko John Leo S. Lobos, Emmanuel T. Rodulfo

2602.21432 2026-02-24
TESTING

PSF-Med: Measuring and Explaining Paraphrase Sensitivity in Medical Vision Language Models

Medical Vision Language Models (VLMs) can change their answers when clinicians rephrase the same question, which raises deployment risks. We introduce Paraphrase Sensitivity Failure (PSF)-Med, a be...

Binesh Sadanandan, Vahid Behzadan

2602.21428 2026-02-24
TESTING

Automating Timed Up and Go Phase Segmentation and Gait Analysis via the tugturn Markerless 3D Pipeline

Instrumented Timed Up and Go (TUG) analysis can support clinical and research decision-making, but robust and reproducible markerless pipelines are still limited. We present \textit{tugturn.py}, a ...

Abel Gonçalves Chinaglia, Guilherme Manna Cesar, Paulo Roberto Pereira Santiago

2602.21425 2026-02-24
TESTING

Generative Bayesian Computation as a Scalable Alternative to Gaussian Process Surrogates

Gaussian process (GP) surrogates are the default tool for emulating expensive computer experiments, but cubic cost, stationarity assumptions, and Gaussian predictive distributions limit their reach...

Nick Polson, Vadim Sokolov

2602.21408 2026-02-24
TESTING

The turbulence driving mode in NGC7793 and NGC1313

We present spatially resolved measurements of turbulence driving modes across entire extragalactic discs of NGC7793 and NGC1313, using Atacama Large Millimetre/submillimetre Array (ALMA) CO(J=2-1) ...

Lewis J Miller, Kathryn Grasha, Christoph Federrath

2602.21405 2026-02-24
TESTING

The Headless Firm: How AI Reshapes Enterprise Boundaries

The boundary of the firm is determined by coordination cost. We argue that agentic AI induces a structural change in how coordination costs scale: in prior modular systems, integration cost grew wi...

Tassilo Klein, Sebastian Wieczorek

2602.21401 2026-02-24
TESTING

Momentum Memory for Knowledge Distillation in Computational Pathology

Multimodal learning that integrates genomics and histopathology has shown strong potential in cancer diagnosis, yet its clinical translation is hindered by the limited availability of paired histol...

Yongxin Guo, Hao Lu, Onur C. Koyun, Zhengjie Zhu, Muhammet Fatih Demir, Metin Nafi Gurcan

2602.21395 2026-02-24
TESTING

Defensive Generation

We study the problem of efficiently producing, in an online fashion, generative models of scalar, multiclass, and vector-valued outcomes that cannot be falsified on the basis of the observed data a...

Gabriele Farina, Juan Carlos Perdomo

2602.21390 2026-02-24
TESTING

The Mean is the Mirage: Entropy-Adaptive Model Merging under Heterogeneous Domain Shifts in Medical Imaging

Model merging under unseen test-time distribution shifts often renders naive strategies, such as mean averaging unreliable. This challenge is especially acute in medical imaging, where models are f...

Sameer Ambekar, Reza Nasirigerdeh, Peter J. Schuffler, Lina Felsner, Daniel M. Lang, Julia A. Sch...

2602.21372 2026-02-24
TESTING

Some Asymptotic Results on Multiple Testing under Weak Dependence

This paper studies the means-testing problem under weakly correlated Normal setups. Although quite common in genomic applications, test procedures having exact FWER control under such dependence st...

Swarnadeep Datta, Monitirtha Dey

2602.21359 2026-02-24