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Computer Science

arXiv preprints from January 1, 2026 through September 17, 2026 — 03:23:09 EST

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Posted in cs.CV · 2026-01-05 · Utkarsh Singh, Absaar Ali, Adarsh Roy

Car Drag Coefficient Prediction from 3D Point Clouds Using a Slice-Based Surrogate Model

The automotive industry's pursuit of enhanced fuel economy and performance necessitates efficient aerodynamic design. However, traditional evaluation methods such as computational fluid dynamics (CFD) and wind tunnel testing are resource intensive, hindering rapid iteration in the early design stages. Machine learning-based surrogate...

💬 0 commentsarXiv:2601.02112v1PDF
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Posted in cs.IT · 2026-01-05 · Charles Wood

Information Geometry of Imaging Operators

Imaging systems are represented as linear operators, and their singular value spectra describe the structure recoverable at the operator level. Building on an operator-based information-theoretic framework, this paper introduces a minimal geometric structure induced by the normalised singular spectra of imaging operators. By...

💬 0 commentsarXiv:2601.02111v1PDF
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Posted in cs.CV · 2026-01-05 · Jiancheng Huang, Mingfu Yan, Songyan Chen, Yi Huang, Shifeng Chen

MagicFight: Personalized Martial Arts Combat Video Generation

Amid the surge in generic text-to-video generation, the field of personalized human video generation has witnessed notable advancements, primarily concentrated on single-person scenarios. However, to our knowledge, the domain of two-person interactions, particularly in the context of martial arts combat, remains uncharted. We identify...

💬 0 commentsarXiv:2601.02107v1PDF
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Posted in cs.LG · 2026-01-05 · Ashish Rana, Ammar Shaker, Sascha Saralajew, Takashi Suzuki, Kosuke Yasuda, Shintaro Kato, Toshikazu Wada, Toshiyuki Fujikawa, Toru Kikutsuji

Prototype-Based Learning for Healthcare: A Demonstration of Interpretable AI

Despite recent advances in machine learning and explainable AI, a gap remains in personalized preventive healthcare: predictions, interventions, and recommendations should be both understandable and verifiable for all stakeholders in the healthcare sector. We present a demonstration of how prototype-based learning can address these...

💬 0 commentsarXiv:2601.02106v1PDF
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Posted in cs.LG · 2026-01-05 · Hyunjun Kim

LION-DG: Layer-Informed Initialization with Deep Gradient Protocols for Accelerated Neural Network Training

Weight initialization remains decisive for neural network optimization, yet existing methods are largely layer-agnostic. We study initialization for deeply-supervised architectures with auxiliary classifiers, where untrained auxiliary heads can destabilize early training through gradient interference. We propose LION-DG, a...

💬 0 commentsarXiv:2601.02105v1PDF
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Posted in cs.CV · 2026-01-05 · Yating Wang, Yuan Sun, Xuan Wang, Ran Yi, Boyao Zhou, Yipengjing Sun, Hongyu Liu, Yinuo Wang, Lizhuang Ma

HeadLighter: Disentangling Illumination in Generative 3D Gaussian Heads via Lightstage Captures

Recent 3D-aware head generative models based on 3D Gaussian Splatting achieve real-time, photorealistic and view-consistent head synthesis. However, a fundamental limitation persists: the deep entanglement of illumination and intrinsic appearance prevents controllable relighting. Existing disentanglement methods rely on strong...

💬 0 commentsarXiv:2601.02103v2PDF
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Posted in cs.CV · 2026-01-05 · Li Wang, Xi Chen, XiangWen Deng, HuaHui Yi, ZeKun Jiang, Kang Li, Jian Li

Evaluating the Diagnostic Classification Ability of Multimodal Large Language Models: Insights from the Osteoarthritis Initiative

Multimodal large language models (MLLMs) show promising performance on medical visual question answering (VQA) and report generation, but these generation and explanation abilities do not reliably transfer to disease-specific classification. We evaluated MLLM architectures on knee osteoarthritis (OA) radiograph classification, which...

💬 0 commentsarXiv:2601.02443v1PDF
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Posted in cs.CV · 2026-01-05 · Jiaqi Yao, Zhongmiao Yan, Jingyi Xu, Songpengcheng Xia, Yan Xiang, Ling Pei

360-GeoGS: Geometrically Consistent Feed-Forward 3D Gaussian Splatting Reconstruction for 360 Images

3D scene reconstruction is fundamental for spatial intelligence applications such as AR, robotics, and digital twins. Traditional multi-view stereo struggles with sparse viewpoints or low-texture regions, while neural rendering approaches, though capable of producing high-quality results, require per-scene optimization and lack...

💬 0 commentsarXiv:2601.02102v1PDF
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Posted in cs.SD · 2026-01-05 · Chunyu Yuan, Johanna Devaney

A Mamba-Based Model for Automatic Chord Recognition

In this work, we propose a new efficient solution, which is a Mamba-based model named BMACE (Bidirectional Mamba-based network, for Automatic Chord Estimation), which utilizes selective structured state-space models in a bidirectional Mamba layer to effectively model temporal dependencies. Our model achieves high prediction...

💬 0 commentsarXiv:2601.02101v1PDF
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Posted in cs.CY · 2026-01-05 · Damien Djaouti, Julian Alvarez

Perspective: The creation of "Newsgames" as a teaching method-Empirical observations

This chapter reports an empirical teaching experience integrating newsgame creation-serious games addressing current events and contributing to public debate-into an introductory game design course for engineering students. From 2010 to 2012, around 80 students produced 17 games on diverse news topics (e.g., H1N1 influenza, Megaupload...

💬 0 commentsarXiv:2601.06139v1PDF
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Posted in cs.SD · 2026-01-05 · Ji Yeoung Sim, Rebecca Moranis, Johanna Devaney

BeatlesFC: Harmonic function annotations of Isophonics' The Beatles dataset

This paper presents BeatlesFC, a set of harmonic function annotations for Isophonics' The Beatles dataset. Harmonic function annotations characterize chord labels as stable (tonic) or unstable (predominant, dominant). They operate at the level of musical phrases, serving as a link between chord labels and higher-level formal structures.

💬 0 commentsarXiv:2601.02099v1PDF
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Posted in cs.CV · 2026-01-05 · Jinlong Fan, Shanshan Zhao, Liang Zheng, Jing Zhang, Yuxiang Yang, Mingming Gong

InpaintHuman: Reconstructing Occluded Humans with Multi-Scale UV Mapping and Identity-Preserving Diffusion Inpainting

Reconstructing complete and animatable 3D human avatars from monocular videos remains challenging, particularly under severe occlusions. While 3D Gaussian Splatting has enabled photorealistic human rendering, existing methods struggle with incomplete observations, often producing corrupted geometry and temporal inconsistencies. We...

💬 0 commentsarXiv:2601.02098v1PDF
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Posted in cs.GR · 2026-01-05 · Peizhuo Li, Sebastian Starke, Yuting Ye, Olga Sorkine-Hornung

Dancing Points: Synthesizing Ballroom Dancing with Three-Point Inputs

Ballroom dancing is a structured yet expressive motion category. Its highly diverse movement and complex interactions between leader and follower dancers make the understanding and synthesis challenging. We demonstrate that the three-point trajectory available from a virtual reality (VR) device can effectively serve as a dancer's...

💬 0 commentsarXiv:2601.02096v1PDF
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Posted in cs.GT · 2026-01-05 · Mehrad Abbaszadeh, Ali Ansarifar, Mohamad Latifian, Masoud Seddighin

Metric Distortion with Preference Intensities

In voting with ranked ballots, each agent submits a strict ranking of the form $a \succ b \succ c \succ d$ over the alternatives, and the voting rule decides on the winner based on these rankings. Although this ballot format has desirable characteristics, there is a question of whether it is expressive enough for the agents. Kahng,...

💬 0 commentsarXiv:2601.02095v1PDF
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Posted in cs.CV · 2026-01-05 · Sao Mai Nguyen

Low-Back Pain Physical Rehabilitation by Movement Analysis in Clinical Trial

To allow the development and assessment of physical rehabilitation by an intelligent tutoring system, we propose a medical dataset of clinical patients carrying out low back-pain rehabilitation exercises and benchmark on state of the art human movement analysis algorithms. This dataset is valuable because it includes rehabilitation...

💬 0 commentsarXiv:2601.06138v1PDF
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Posted in cs.LG · 2026-01-05 · Krupakar Hans, V A Kandappan

Horizon Activation Mapping for Neural Networks in Time Series Forecasting

Neural networks for time series forecasting have relied on error metrics and architecture-specific interpretability approaches for model selection that don't apply across models of different families. To interpret forecasting models agnostic to the types of layers across state-of-the-art model families, we introduce Horizon Activation...

💬 0 commentsarXiv:2601.02094v4PDF
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Posted in cs.DC · 2026-01-05 · Abdullah Al Asif, Sixing Yu, Juan Pablo Munoz, Arya Mazaheri, Ali Jannesari

SuperSFL: Resource-Heterogeneous Federated Split Learning with Weight-Sharing Super-Networks

SplitFed Learning (SFL) combines federated learning and split learning to enable collaborative training across distributed edge devices; however, it faces significant challenges in heterogeneous environments with diverse computational and communication capabilities. This paper proposes \textit{SuperSFL}, a federated split learning...

💬 0 commentsarXiv:2601.02092v2PDF
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Posted in cs.CV · 2026-01-05 · Zhehuan Cao, Fiseha Berhanu Tesema, Ping Fu, Jianfeng Ren, Ahmed Nasr

MCD-Net: A Lightweight Deep Learning Baseline for Optical-Only Moraine Segmentation

Glacial segmentation is essential for reconstructing past glacier dynamics and evaluating climate-driven landscape change. However, weak optical contrast and the limited availability of high-resolution DEMs hinder automated mapping. This study introduces the first large-scale optical-only moraine segmentation dataset, comprising 3,340...

💬 0 commentsarXiv:2601.02091v2PDF
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Posted in cs.CV · 2026-01-05 · Jiahao Bao, Huazhen Liu, Yu Zhuang, Leran Tao, Xinyu Xu, Yongtao Shi, Mengjia Cheng, Yiming Wang, Congshuang Ku, Ting Zeng, Yilang Du, Siyi Chen, Shunyao Shen, Suncheng Xiang, Hongbo Yu

PhysSFI-Net: Physics-informed Geometric Learning of Skeletal and Facial Interactions for Orthognathic Surgical Outcome Prediction

Orthognathic surgery repositions jaw bones to restore occlusion and enhance facial aesthetics. Accurate simulation of postoperative facial morphology is essential for preoperative planning. However, traditional biomechanical models are computationally expensive, while geometric deep learning approaches often lack interpretability. In...

💬 0 commentsarXiv:2601.02088v2PDF
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Posted in cs.RO · 2026-01-05 · Meili Sun, Chunjiang Zhao, Lichao Yang, Hao Liu, Shimin Hu, Ya Xiong

Vision-Based Early Fault Diagnosis and Self-Recovery for Strawberry Harvesting Robots

Strawberry-harvesting robots faced challenges such as poor visual perception, gripper misalignment, empty grasp/misgrasp, and slippage, which reduced harvesting stability and efficiency.To overcome these issues, this paper proposes a visual fault diagnosis and self-recovery framework. An end-to-end SRR-Net achieved unified perception...

💬 0 commentsarXiv:2601.02085v3PDF
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Posted in cs.HC · 2026-01-05 · Yueyang Wang, Mehmet Dogar, Russell Darling, Gustav Markkula

Realistic adversarial scenario generation via human-like pedestrian model for autonomous vehicle control parameter optimisation

Autonomous vehicles (AVs) are rapidly advancing and are expected to play a central role in future mobility. Ensuring their safe deployment requires reliable interaction with other road users, not least pedestrians. Direct testing on public roads is costly and unsafe for rare but critical interactions, making simulation a practical...

💬 0 commentsarXiv:2601.02082v2PDF
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Posted in cs.LG · 2026-01-05 · Jiacheng Lyu, Bihua Bao, Shiyun Yan

ASSS: A Differentiable Adversarial Framework for Task-Aware Data Reduction

Massive datasets often contain redundancy that inflates computational costs without improving generalization. Existing data reduction methods are typically task-agnostic, discarding informative boundary samples and yielding suboptimal performance. We propose Adversarial Soft-Selection Subsampling (ASSS), a differentiable framework...

💬 0 commentsarXiv:2601.02081v3PDF
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Posted in cs.LG · 2026-01-05 · Yizhi Liu

The Homogeneity Trap: Spectral Collapse in Doubly-Stochastic Deep Networks

Doubly-stochastic matrices (DSM) are increasingly utilized in structure-preserving deep architectures -- such as Optimal Transport layers and Sinkhorn-based attention -- to enforce numerical stability and probabilistic interpretability. In this work, we identify a critical spectral degradation phenomenon inherent to these constraints,...

💬 0 commentsarXiv:2601.02080v1PDF
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Posted in cs.RO · 2026-01-05 · Chenghao Yin, Da Huang, Di Yang, Jichao Wang, Nanshu Zhao, Chen Xu, Wenjun Sun, Linjie Hou, Zhijun Li, Junhui Wu, Zhaobo Liu, Zhen Xiao, Sheng Zhang, Lei Bao, Rui Feng, Zhenquan Pang, Jiayu Li, Qian Wang, Maoqing Yao

Genie Sim 3.0 : A High-Fidelity Comprehensive Simulation Platform for Humanoid Robot

The development of robust and generalizable robot learning models is critically contingent upon the availability of large-scale, diverse training data and reliable evaluation benchmarks. Collecting data in the physical world poses prohibitive costs and scalability challenges, and prevailing simulation benchmarks frequently suffer from...

💬 0 commentsarXiv:2601.02078v3PDF
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Posted in cs.CL · 2026-01-05 · Yingte Shu, Yuchuan Tian, Chao Xu, Yunhe Wang, Hanting Chen

Deferred Commitment Decoding for Diffusion Language Models

Diffusion language models (DLMs) have recently emerged as a strong alternative to autoregressive models by enabling parallel text generation. To improve inference efficiency and KV-cache compatibility, prior work commonly adopts block-based diffusion, decoding tokens block by block. However, this paradigm suffers from a structural...

💬 0 commentsarXiv:2601.02076v2PDF