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Computer Science

arXiv preprints from January 1, 2026 through July 21, 2026 — 17:47:46 EST

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Posted in cs.AR · 2026-01-19 · Rafi Zahedi, Amin Zamani, Rahul Anilkumar

Best Practices for Large Load Interconnections: A North American Perspective on Data Centers

Large loads are expanding rapidly across North America, led by data centers, cryptocurrency mining, hydrogen production facilities, and heavy-duty charging stations. Each class presents distinct electrical characteristics, but data centers are drawing particular attention as AI deployment drives unprecedented capacity growth. Their...

💬 0 commentsarXiv:2601.12686v1PDF
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Posted in cs.HC · 2026-01-19 · Bhavesh Vuyyuru, Farnaz Jahanbakhsh

Persuasion in Online Conversations Is Associated with Alignment in Expressed Human Values

Online disagreements often fail to produce understanding, instead reinforcing existing positions or escalating conflict. Prior work on predictors of successful persuasion in online discourse has largely focused on surface features such as linguistic style or conversational structure, leaving open the role of underlying principles or...

💬 0 commentsarXiv:2601.12685v1PDF
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Posted in cs.CE · 2026-01-19 · Yuanhong Wu, Jingyan Xu, Wei Ye, Christina Schweikert, D. Frank Hsu

A Model Fusion Approach for Enhancing Credit Approval Decision Making

Credit default poses significant challenges to financial institutions and consumers, resulting in substantial financial losses and diminished trust. As such, credit default risk management has been a critical topic in the financial industry. In this paper, we present Combinatorial Fusion Analysis (CFA), a model fusion framework, that...

💬 0 commentsarXiv:2601.12684v1PDF
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Posted in cs.CV · 2026-01-19 · Liwei Liao, Ronggang Wang

GaussianTrimmer: Online Trimming Boundaries for 3DGS Segmentation

With the widespread application of 3D Gaussians in 3D scene representation, 3D scene segmentation methods based on 3D Gaussians have also gradually emerged. However, existing 3D Gaussian segmentation methods basically segment on the basis of Gaussian primitives. Due to the large variation range of the scale of 3D Gaussians,...

💬 0 commentsarXiv:2601.12683v1PDF
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Posted in cs.CL · 2026-01-19 · Jingyan Xu, Marcelo L. LaFleur, Christina Schweikert, D. Frank Hsu

Enhancing SDG-Text Classification with Combinatorial Fusion Analysis and Generative AI

(Natural Language Processing) NLP techniques such as text classification and topic discovery are very useful in many application areas including information retrieval, knowledge discovery, policy formulation, and decision-making. However, it remains a challenging problem in cases where the categories are unavailable, difficult to...

💬 0 commentsarXiv:2602.11168v1PDF
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Posted in cs.CV · 2026-01-19 · Banglei Guan, Dongcai Tan, Jing Tao, Ang Su, Yang Shang, Qifeng Yu

Fusion-Restoration Image Processing Algorithm to Improve the High-Temperature Deformation Measurement

In the deformation measurement of high-temperature structures, image degradation caused by thermal radiation and random errors introduced by heat haze restrict the accuracy and effectiveness of deformation measurement. To suppress thermal radiation and heat haze using fusion-restoration image processing methods, thereby improving the...

💬 0 commentsarXiv:2601.12682v1PDF
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Posted in cs.IR · 2026-01-19 · Yunwen Huang, Shiyong Hong, Xijun Xiao, Jinqiu Jin, Xuanyuan Luo, Zhe Wang, Zheng Chai, Shikang Wu, Yuchao Zheng, Jingjian Lin

HyFormer: Revisiting the Roles of Sequence Modeling and Feature Interaction in CTR Prediction

Industrial large-scale recommendation models (LRMs) face the challenge of jointly modeling long-range user behavior sequences and heterogeneous non-sequential features under strict efficiency constraints. However, most existing architectures employ a decoupled pipeline: long sequences are first compressed with a query-token based...

💬 0 commentsarXiv:2601.12681v2PDF
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Posted in cs.LG · 2026-01-19 · Zheng Fang, Wolfgang Mayer, Zeyu Zhang, Jian Wang, Hong-Yu Zhang, Wanli Li, Zaiwen Feng

MetaToolAgent: Towards Generalizable Tool Usage in LLMs through Meta-Learning

Tool learning is increasingly important for large language models (LLMs) to effectively coordinate and utilize a diverse set of tools in order to solve complex real-world tasks. By selecting and integrating appropriate tools, LLMs extend their capabilities beyond pure language understanding to perform specialized functions. However,...

💬 0 commentsarXiv:2601.12680v1PDF
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Posted in cs.CV · 2026-01-19 · Qimao Chen, Fang Li, Shaoqing Xu, Zhiyi Lai, Zixun Xie, Yuechen Luo, Shengyin Jiang, Hanbing Li, Long Chen, Bing Wang, Yi Zhang, Zhi-Xin Yang

VILTA: A VLM-in-the-Loop Adversary for Enhancing Driving Policy Robustness

The safe deployment of autonomous driving (AD) systems is fundamentally hindered by the long-tail problem, where rare yet critical driving scenarios are severely underrepresented in real-world data. Existing solutions including safety-critical scenario generation and closed-loop learning often rely on rule-based heuristics, resampling...

💬 0 commentsarXiv:2601.12672v1PDF
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Posted in cs.CV · 2026-01-19 · Thamara Leandra de Deus Melo, Rodrigo Moreira, Larissa Ferreira Rodrigues Moreira, André Ricardo Backes

Exploiting Test-Time Augmentation in Federated Learning for Brain Tumor MRI Classification

Efficient brain tumor diagnosis is crucial for early treatment; however, it is challenging because of lesion variability and image complexity. We evaluated convolutional neural networks (CNNs) in a federated learning (FL) setting, comparing models trained on original versus preprocessed MRI images (resizing, grayscale conversion,...

💬 0 commentsarXiv:2601.12671v1PDF
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Posted in cs.AI · 2026-01-19 · Yi Di, Zhibin Zhao, Fujin Wang, Xue Liu, Jiafeng Tang, Jiaxin Ren, Zhi Zhai, Xuefeng Chen

Empowering All-in-Loop Health Management of Spacecraft Power System in the Mega-Constellation Era via Human-AI Collaboration

It is foreseeable that the number of spacecraft will increase exponentially, ushering in an era dominated by satellite mega-constellations (SMC). This necessitates a focus on energy in space: spacecraft power systems (SPS), especially their health management (HM), given their role in power supply and high failure rates. Providing...

💬 0 commentsarXiv:2601.12667v2PDF
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Posted in cs.CV · 2026-01-19 · Zonglin Li, Jieji Ren, Shuangfan Zhou, Heng Guo, Jinnuo Zhang, Jiang Zhou, Boxin Shi, Zhanyu Ma, Guoying Gu

Near-Light Color Photometric Stereo for Mono-Chromatic Non-Lambertian Surfaces

Color photometric stereo enables single-shot surface reconstruction, extending conventional photometric stereo that requires multiple images of a static scene under varying illumination to dynamic scenarios. However, most existing approaches assume ideal distant lighting and Lambertian reflectance, leaving more practical near-light...

💬 0 commentsarXiv:2601.12666v2PDF
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Posted in cs.CV · 2026-01-19 · Elisa Gonçalves Ribeiro, Rodrigo Moreira, Larissa Ferreira Rodrigues Moreira, André Ricardo Backes

Generalizable Hyperparameter Optimization for Federated Learning on Non-IID Cancer Images

Deep learning for cancer histopathology training conflicts with privacy constraints in clinical settings. Federated Learning (FL) mitigates this by keeping data local; however, its performance depends on hyperparameter choices under non-independent and identically distributed (non-IID) client datasets. This paper examined whether...

💬 0 commentsarXiv:2601.12664v1PDF
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Posted in cs.LG · 2026-01-19 · Xingran Chen, Navid NaderiAlizadeh, Alejandro Ribeiro, Shirin Saeedi Bidokhti

Decentralized Learning Strategies for Estimation Error Minimization with Graph Neural Networks

We address real-time sampling and estimation of autoregressive Markovian sources in dynamic yet structurally similar multi-hop wireless networks. Each node caches samples from others and communicates over wireless collision channels, aiming to minimize time-average estimation error via decentralized policies. Due to the high...

💬 0 commentsarXiv:2601.12662v2PDF
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Posted in cs.AI · 2026-01-19 · Chuhan Qiao, Jianghua Huang, Daxing Zhao, Ziding Liu, Yanjun Shen, Bing Cheng, Wei Lin, Kai Wu

MedConsultBench: A Full-Cycle, Fine-Grained, Process-Aware Benchmark for Medical Consultation Agents

Current evaluations of medical consultation agents often prioritize outcome-oriented tasks, frequently overlooking the end-to-end process integrity and clinical safety essential for real-world practice. While recent interactive benchmarks have introduced dynamic scenarios, they often remain fragmented and coarse-grained, failing to...

💬 0 commentsarXiv:2601.12661v1PDF
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Posted in cs.SD · 2026-01-19 · Maab Elrashid, Anthony Deschênes, Cem Subakan, Mirco Ravanelli, Rémi Georges, Michael Morin

Toward Faithful Explanations in Acoustic Anomaly Detection

Interpretability is essential for user trust in real-world anomaly detection applications. However, deep learning models, despite their strong performance, often lack transparency. In this work, we study the interpretability of autoencoder-based models for audio anomaly detection, by comparing a standard autoencoder (AE) with a mask...

💬 0 commentsarXiv:2601.12660v1PDF
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Posted in cs.CL · 2026-01-19 · Tianyi Yang, Nashrah Haque, Vaishnave Jonnalagadda, Yuya Jeremy Ong, Zhehui Chen, Yanzhao Wu, Lei Yu, Divyesh Jadav, Wenqi Wei

Augmenting Question Answering with A Hybrid RAG Approach

Retrieval-Augmented Generation (RAG) has emerged as a powerful technique for enhancing the quality of responses in Question-Answering (QA) tasks. However, existing approaches often struggle with retrieving contextually relevant information, leading to incomplete or suboptimal answers. In this paper, we introduce Structured-Semantic...

💬 0 commentsarXiv:2601.12658v2PDF
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Posted in cs.LG · 2026-01-19 · Hyunseung Hwang, Seungeun Lee, Lucas Rosenblatt, Steven Euijong Whang, Julia Stoyanovich

Explanation Multiplicity in SHAP: Characterization and Assessment

Post-hoc explanations are widely used to justify, contest, and review automated decisions in high-stakes domains such as lending, employment, and healthcare. Among these methods, SHAP is often treated as providing a reliable account of which features mattered for an individual prediction and is routinely used to support recourse,...

💬 0 commentsarXiv:2601.12654v2PDF
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Posted in cs.CY · 2026-01-19 · Chutian Huang, Dake Cao, Jiacheng Ji, Yunlou Fan, Chengze Yan, Hanhui Xu

Ethical Risks in Deploying Large Language Models: An Evaluation of Medical Ethics Jailbreaking

Background: While Large Language Models (LLMs) have achieved widespread adoption, malicious prompt engineering specifically "jailbreak attacks" poses severe security risks by inducing models to bypass internal safety mechanisms. Current benchmarks predominantly focus on public safety and Western cultural norms, leaving a critical gap...

💬 0 commentsarXiv:2601.12652v1PDF
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Posted in cs.CL · 2026-01-19 · Nafiz Imtiaz Khan, Kylie Cleland, Vladimir Filkov, Roger Eric Goldman

Intelligent Documentation in Medical Education: Can AI Replace Manual Case Logging?

Procedural case logs are a core requirement in radiology training, yet they are time-consuming to complete and prone to inconsistency when authored manually. This study investigates whether large language models (LLMs) can automate procedural case log documentation directly from free-text radiology reports. We evaluate multiple local...

💬 0 commentsarXiv:2601.12648v1PDF
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Posted in cs.AI · 2026-01-19 · Xiangyu Shi, Junyang Ding, Xu Zhao, Sinong Zhan, Payal Mohapatra, Daniel Quispe, Kojo Welbeck, Jian Cao, Wei Chen, Ping Guo, Qi Zhu

STEP-LLM: Generating CAD STEP Models from Natural Language with Large Language Models

Computer-aided design (CAD) is vital to modern manufacturing, yet model creation remains labor-intensive and expertise-heavy. To enable non-experts to translate intuitive design intent into manufacturable artifacts, recent large language models-based text-to-CAD efforts focus on command sequences or script-based formats like CadQuery....

💬 0 commentsarXiv:2601.12641v1PDF
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Posted in cs.IT · 2026-01-19 · Jingge Zhu, Matthias Frey

Beyond Identification: Computing Boolean Functions via Channels

Consider a point-to-point communication system in which the transmitter holds a binary message of length $m$ and transmits a corresponding codeword of length $n$. The receiver's goal is to recover a Boolean function of that message, where the function is unknown to the transmitter, but chosen from a known class $F$. We are interested...

💬 0 commentsarXiv:2601.12640v2PDF
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Posted in cs.CL · 2026-01-19 · Daniel Vennemeyer, Punya Syon Pandey, Phan Anh Duong, Michael Umeokoli, Samuel Ratnam

Objective Matters: Fine-Tuning Objectives Shape Safety, Robustness, and Persona Drift

Fine-tuning LLMs on benign data can still degrade alignment and adversarial robustness, yet direct analysis of the role of fine-tuning objectives in shaping these safety outcomes remain limited. We present a controlled comparison of six fine-tuning objectives -- Supervised Fine-Tuning, Direct Preference Optimization, Conditional...

💬 0 commentsarXiv:2601.12639v1PDF
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Posted in cs.CV · 2026-01-19 · Ninnart Fuengfusin, Keisuke Yoneda, Naoki Suganuma

Mixed Precision PointPillars for Efficient 3D Object Detection with TensorRT

LIDAR 3D object detection is one of the important tasks for autonomous vehicles. Ensuring that this task operates in real-time is crucial. Toward this, model quantization can be used to accelerate the runtime. However, directly applying model quantization often leads to performance degradation due to LIDAR's wide numerical...

💬 0 commentsarXiv:2601.12638v2PDF