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Imperial College London(帝国理工学院)

共收录 1182
2607.15291 2026-07-20 math.NA cs.LG cs.NA 新提交

A Physics-Informed Neural Network with a Modified Lorentzian Activation for Nonlocal Gradient-Flow Equations in Dynamic Density Functional Theory

一种具有修正洛伦兹激活函数的物理信息神经网络用于动态密度泛函理论中的非局部梯度流方程

Dimitrios Gourzoulidis, Soumaya Elkantassi, Serafim Kalliadasis

机构 * Department of Chemical Engineering, Imperial College London(帝国理工学院化学工程系) Department of Operations, University of Lausanne(洛桑大学运营系)

AI总结 该研究针对动态密度泛函理论中的非局部梯度流方程,开发物理信息神经网络框架。引入修正洛伦兹激活函数和预计算离散算子,经多维度测试,新激活函数加速收敛,框架与参考解吻合且捕捉到梯度流行为,展现求解此类方程的潜力。

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2607.15472 2026-07-20 math.DS cs.LG physics.bio-ph 新提交

Ptolemy's Equant Equates to a Universal Dynamical Clock via Machine Learning

通过机器学习,托勒密等距点等同于通用动态时钟

Jingdong Zhang, Luan Yang, Murilo S. Baptista, Zefeng Zhang, Qunxi Zhu, Wei Lin, Celso Grebogi

机构 * School of Mathematical Sciences, Fudan University, Shanghai 200433, China(复旦大学数学科学学院) Research Institute of Intelligent Complex Systems, Fudan University, Shanghai 200433, China(复旦大学智能复杂系统研究所) Department of Mathematics, Imperial College London, London, SW7 2AZ, United Kingdom(伦敦帝国学院数学系) Institute for Complex Systems and Mathematical Biology, University of Aberdeen, Aberdeen AB24 3UE, United Kingdom(阿伯丁大学复杂系统与数学生物学研究所) Department of Psychiatry, University of Cambridge, Cambridge CB2 1TN, United Kingdom(剑桥大学精神病学系)

AI总结 研究非线性高维振荡中相位和相位动力学识别问题,基于托勒密等距点建立通用动态时钟原理,用机器学习框架证明其存在并构建相关动力学,通过四个发现展示价值,为振荡系统研究提供新途径。

Comments 56 pages, 12 figures, 3 tables

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2601.22818 2026-07-20 cs.CR cs.AI 版本更新

Hide and Seek in Embedding Space: Geometry-based Steganography and Detection in Large Language Models

嵌入空间中的隐秘行动:基于几何的隐写术与大语言模型中的检测

Charles Westphal, Keivan Navaie, Fernando E. Rosas

机构 * UCL Centre for Artificial Intelligence, University College London, UK(伦敦大学学院人工智能中心,大学学院伦敦) School of Computing and Communications, Lancaster University, UK(兰卡斯特大学计算机与通讯学院) Department of Informatics, University of Sussex, UK(苏塞克斯大学信息学院) Centre for Psychedelic Research and Centre for Complexity Science, Imperial College London, UK(伦敦帝国学院迷幻研究与复杂科学中心) Centre for Eudaimonia and Human Flourishing, University of Oxford, UK(牛津大学幸福与人类繁荣中心)

AI总结 本研究提出了一种低恢复性隐写术,通过嵌入空间衍生映射提升秘密恢复率,同时减少负载恢复性,并提出基于机制可解释性的检测方法,提高微调模型中的秘密检测准确率。

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2607.15077 2026-07-17 cs.LG 新提交

An Introduction to Sparse Identification of Nonlinear Dynamics for Engineering Applications

工程应用中的非线性动力学稀疏识别介绍

Yao Cheng Li, Ana Larrañaga, Steven L. Brunton, Urban Fasel

机构 * Department of Aeronautics, Imperial College London(伦敦帝国理工学院航空系) Department of Mechanical Engineering, University of Washington(华盛顿大学机械工程系) NSF AI Institute in Dynamic Systems, University of Washington(华盛顿大学动态系统领域美国国家科学基金会人工智能研究所)

AI总结 介绍工程应用中非线性动力学稀疏识别(SINDy)方法,通过对候选非线性项库稀疏回归解决代理建模局限性,教程介绍该方法及扩展,经案例研究表明其易实现且灵活,是工程应用有价值的识别工具。

Comments 15 pages, 4 figures

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2607.14338 2026-07-17 cs.CV cs.AI cs.LG 新提交

Beyond scalar losses: calibrating segmentation models via gradient vector field surgery

超越标量损失:通过梯度向量场手术校准分割模型

Laurin Lux, Alexander H. Berger, Moritz Knolle, Daniel Rückert, Johannes C. Paetzold

机构 * School of Computation, Information and Technology, TUM(慕尼黑工业大学计算、信息与技术学院) Munich Center for Machine Learning(慕尼黑机器学习中心) Department of Radiology, Weill Cornell Medicine(威尔康乃尔医学院放射科) School of Medicine and Health, TUM University Hospital(慕尼黑工业大学医院医学与健康学院) Cornell Tech(康奈尔科技学院) Department of Computing, Imperial College London(伦敦帝国理工学院计算系)

AI总结 研究针对基于区域损失函数训练的分割模型校准不佳问题,提出对梯度向量场进行“手术”,即给损失偏导数添加因子,依预测误差线性缩放梯度大小,经2D和3D医学分割任务验证该方法有效且能保持高预测准确性。

Comments MIDL 2026. Published version: https://proceedings.mlr.press/v315/lux26a.html

Journal ref Proceedings of Machine Learning Research 315:3397-3423, 2026

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2607.14272 2026-07-17 cs.LG math.DS math.OC 新提交

Lyapunov Guidance: A Unified Framework for Stabilizing Generative Flows

李雅普诺夫引导:稳定生成流的统一框架

Jingdong Zhang, Xinze Li, Yize Jiang, Luan Yang, Minkai Xu, Junhong Liu

机构 * Imperial College London(伦敦帝国理工学院) Fudan University(复旦大学) Stanford University(斯坦福大学) MicroCyto(微赛生物)

AI总结 研究针对流匹配重新训练计算昂贵、现有训练后引导方法无稳定性保证的问题,提出LyaGuide框架,将流引导作为李雅普诺夫控制问题,统一多种引导策略,经实验验证其在多方面有改进且保持计算效率。

Comments 25 pages, 13 figures

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2508.00923 2026-07-17 cs.LG 版本更新

Addressing Benchmarking Gaps in Large Language Models for Health and Medicine with Dynamic Red-Teaming

超越基准:动态、自动和系统化的红队代理用于可信的医疗语言模型

Jiazhen Pan, Bailiang Jian, Paul Hager, Yundi Zhang, Che Liu, Friederike Jungmann, Hongwei Bran Li, Julian Canisius, Chenyu You, Junde Wu, Jiayuan Zhu, Fenglin Liu, Yuyuan Liu, Niklas Bubeck, Moritz Knolle, Chen, Chen, Christian Wachinger, Zhenyu Gong, Cheng Ouyang, Georgios Kaissis, Benedikt Wiestler, Daniel Rueckert

机构 * Technical University of Munich (TUM)(慕尼黑技术大学) University of Oxford(牛津大学) TUM University Hospital(慕尼黑技术大学医院) Imperial College London(伦敦帝国理工学院) Harvard Medical School(哈佛医学院) Stony Brook University(史泰兹布鲁克大学) Munich Center for Machine Learning (MCML)(慕尼黑机器学习中心) University of Sheffield(谢菲尔德大学)

AI总结 本文提出DAS红队框架,通过动态压力测试揭示医疗语言模型在鲁棒性、隐私、偏见和幻觉方面的潜在风险,发现高静态基准性能与低动态可靠性之间的'基准差距'。

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2607.14070 2026-07-16 q-bio.GN cs.LG 新提交

Screening of Biosecurity Features in Metagenomic Data with Evo 2 Probes

使用Evo 2探针筛选宏基因组数据中的生物安全特征

Jeremy Guntoro, Alexander Dack, Dylan Danno, Michaela Jančovičová, Križan Jurinović, Vanessa Smilansky

机构 * Department of Bioengineering, Imperial College London(帝国理工学院生物工程系) John Innes Centre(约翰·英尼斯研究中心) Independent Research Scientist(独立研究者)

AI总结 研究利用Evo 2探针在宏基因组数据中筛选生物安全特征,通过训练线性和注意力探针检测抗菌抗性及细菌毒力等,发现其在检测AMR等方面效果良好,可作为快速低成本首过检测层,明确了该方法的优势与局限。

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2511.18685 2026-07-16 cs.CV cs.RO 版本更新

Beyond Description: Cognitively Benchmarking Fine-Grained Action for Embodied Agents

超越描述:为具身智能体进行细粒度动作的认知基准测试

Dayong Liu, Chao Xu, Weihong Chen, Suyu Zhang, Juncheng Wang, Jiankang Deng, Baigui Sun, Yang Liu

机构 * Zhejiang University(浙江大学) Wolf 1069 b(沃尔夫1069b) Sany Group(三一集团) The Hong Kong Polytechnic University(香港理工大学) Imperial College London(帝国理工学院)

AI总结 本文提出CFG-Bench基准测试,旨在评估具身智能体在物理交互中的细粒度动作能力,揭示现有MLLMs在高层次推理中的不足,并通过监督微调提升其性能。

Comments Accepted to ECCV2026

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2509.22415 2026-07-16 cs.CV cs.AI 版本更新

Evidence Recomposition and Predictive Context Residualization for Visual Attribution in Multimodal Large Language Models

多模态大语言模型中用于视觉归因的证据重组与预测上下文残差化

Jiawei Liang, Jianjie Huang, Ruoyu Chen, Xianghao Jiao, Siyuan Liang, Shiming Liu, Xiaochun Cao

机构 * Shenzhen Campus of Sun Yat-sen University(中山大学深圳校区) Zhongguancun Academy(中关村学院) University of Chinese Academy of Sciences(中国科学院大学) Nanyang Technological University(南洋理工大学) Department of Mechanical Engineering, Imperial College London(伦敦帝国理工学院机械工程系)

AI总结 研究多模态大语言模型token级视觉证据难检查问题,提出基于证据重组和预测上下文残差化的ERCR框架,经实验验证该框架能改善目标token视觉证据、减轻上下文干扰,为视觉证据检查提供实用改进。

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2506.20683 2026-07-16 eess.IV cs.AI cs.CV eess.SP

Global and Local Contrastive Learning for Joint Representations from Cardiac MRI and ECG

用于心脏MRI和ECG联合表示的全局和局部对比学习

Alexander Selivanov, Philip Müller, Özgün Turgut, Nil Stolt-Ansó, Daniel Rückert

机构 * Chair for AI in Healthcare and Medicine, Technical University of Munich (TUM) and TUM University Hospital, Munich, Germany(人工智能在医疗与医学中的研究中心,技术大学慕尼黑(TUM)及慕尼黑技术大学医院) School of Medicine, Klinikum rechts der Isar, TUM, Germany(医学院,右岸克里克医院,TUM,德国) Department of Computing, Imperial College London, UK(计算学院,伦敦帝国学院,英国) Munich Center for Machine Learning (MCML), Munich, Germany(慕尼黑机器学习中心(MCML),慕尼黑,德国)

AI总结 PTACL通过结合心脏MRI的时空信息提升ECG表示,实现患者级和时间级对比学习,提高心脏表型检索和功能参数预测的性能。

Comments accepted to MICCAI 2025 (Springer LNCS)

Journal ref Medical Image Computing and Computer Assisted Intervention - MICCAI 2025, Lecture Notes in Computer Science, vol. 15960, pp. 217-227, Springer, Cham (2026)

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2607.12112 2026-07-15 cs.LG cs.AI cs.CV cs.DC 新提交

Continual Learning with Elastic Regularization and Synthetic Replay for Federated MLLM Fine-Tuning

用于联邦多模态大语言模型微调的弹性正则化和合成重放持续学习

Jing Liu, Chenxuanyin Zou, Jiayang Ren, Gaoyun Fang, Chengfang Li, Yan Wang, Zhenchao Ma, Bo Hu

机构 * The University of British Columbia(英属哥伦比亚大学) Fudan University(复旦大学) Royal College of Science, Imperial College London(伦敦帝国理工学院皇家科学学院) Dyson School of Design Engineering(戴森设计工程学院) Suzhou Institute of Biomedical Engineering and Technology (SIBET), Chinese Academy of Sciences(中国科学院苏州生物医学工程技术研究所) East China Normal University(华东师范大学)

AI总结 研究针对联邦多模态大语言模型微调中灾难性遗忘问题,提出FedCMM框架,在参数、数据、聚合三个层面嵌入持续学习保障,经实验验证该框架在准确性和反向迁移上优于基线,能实现跨异构网络AI部署的稳健进化适应。

Comments submitted to IEEE JSTSP

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2603.01568 2026-07-15 cs.LG cs.CV cs.IT math.IT q-bio.NC 版本更新

Same Compression Principle, Different Geometry: Rate-Distortion Signatures Dissociate Biological and Artificial Visual Systems

泛化与信息权衡的率-失真签名

Leyla Roksan Caglar, Pedro A. M. Mediano, Baihan Lin

机构 * Windreich Department of AI Human Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA Department of Computing, Imperial College London, London, UK Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA Berkman Klein Center for Internet \& Society, Harvard University, Cambridge, MA, USA

AI总结 本文提出率-失真理论框架,通过斜率和曲率签名分析系统泛化与鲁棒性权衡,揭示生物与人工系统在RD空间中的不同表现。

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2512.04144 2026-07-15 cs.AI 版本更新

RippleBench: Capturing Ripple Effects Using Existing Knowledge Repositories

RippleBench: 利用现有知识库捕捉涟漪效应

Roy Rinberg, Usha Bhalla, Igor Shilov, Flavio P. Calmon, Rohit Gandikota

机构 * Harvard University(哈佛大学) Imperial College London(伦敦帝国学院) Northeastern University(东北大学)

AI总结 提出RippleBench-Maker自动管道,从知识库检索语义邻居生成选择题,评估八种遗忘方法在Llama3-8B-Instruct上的涟漪效应,发现准确率下降随语义距离衰减且跨模型一致。

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2312.17670 2026-07-15 cs.CV cs.LG q-bio.QM q-bio.TO 版本更新

The TopCoW Challenge -- Topology-Aware Circle of Willis Segmentation for CT and MR Angiography

TopCoW挑战——用于CT和MR血管造影的拓扑感知Willis环分割

Kaiyuan Yang, Fabio Musio, Yihui Ma, Norman Juchler, Johannes C. Paetzold, Rami Al-Maskari, Luciano Höher, Hongwei Bran Li, Ibrahim Ethem Hamamci, Anjany Sekuboyina, Suprosanna Shit, Houjing Huang, Chinmay Prabhakar, Ezequiel de la Rosa, Bastian Wittmann, Diana Waldmannstetter, Florian Kofler, Fernando Navarro, Martin J. Menten, Ivan Ezhov, Daniel Rueckert, Iris N. Vos, Ynte M. Ruigrok, Birgitta K. Velthuis, Hugo J. Kuijf, Pengcheng Shi, Wei Liu, Ting Ma, Maximilian R. Rokuss, Yannick Kirchhoff, Fabian Isensee, Klaus Maier-Hein, Chengcheng Zhu, Huilin Zhao, Philippe Bijlenga, Julien Hämmerli, Catherine Wurster, Laura Westphal, Jeroen Bisschop, Elisa Colombo, Hakim Baazaoui, Hannah-Lea Handelsmann, Andrew Makmur, James Hallinan, Amrish Soundararajan, Benedikt Wiestler, Jan S. Kirschke, Evamaria O. Riedel, Roland Wiest, Emmanuel Montagnon, Laurent Letourneau-Guillon, Kwanseok Oh, Dahye Lee, Orhun Utku Aydin, Adam Hilbert, Jana Rieger, Dimitrios Rallios, Satoru Tanioka, Alexander Koch, Dietmar Frey, Abdul Qayyum, Moona Mazher, Steven Niederer, Nico Disch, Julius C. Holzschuh, Dominic LaBella, Francesco Galati, Daniele Falcetta, Maria A. Zuluaga, Chaolong Lin, Haoran Zhao, Zehan Zhang, Minghui Zhang, Xin You, Hanxiao Zhang, Guang-Zhong Yang, Yun Gu, Sinyoung Ra, Jongyun Hwang, Hyunjin Park, Junqiang Chen, Marek Wodzinski, Henning Müller, Nesrin Mansouri, Florent Autrusseau, Cansu Yalcin, Rachika E. Hamadache, Clara Lisazo, Joaquim Salvi, Adrià Casamitjana, Xavier Lladó, Uma Maria Lal-Trehan Estrada, Valeriia Abramova, Luca Giancardo, Arnau Oliver, Paula Casademunt, Adrian Galdran, Matteo Delucchi, Oscar Camara, Jialu Liu, Haibin Huang, Yue Cui, Zehang Lin, Yusheng Liu, Shunzhi Zhu, Tatsat R. Patel, Adnan H. Siddiqui, Vincent M. Tutino, Maysam Orouskhani, Huayu Wang, Mahmud Mossa-Basha, Yuki Sato, Sven Hirsch, Susanne Wegener, Bjoern Menze

机构 * Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland Institute of Computational Life Sciences, Zurich University of Applied Sciences (ZHAW), Waedenswil, Switzerland Department of Neuroradiology, University Hospital of Zurich, Zurich, Switzerland Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China Department of Radiology at Weill Cornell Medicine, Cornell University, New York, USA Institute for Tissue Engineering School of Computation, Information Technology, Technical University of Munich, Germany Athinoula A. Martinos Center for Biomedical Imaging, Harvard Medical School, Boston, USA School of Medicine Health, TUM Klinikum, Technical University of Munich, Germany Munich Center for Machine Learning, Munich, Germany Department of Computing, Imperial College London, London, UK Image Sciences Institute, UMC Utrecht, Utrecht, The Netherlands Department of Neurology Neurosurgery, University Medical Center Utrecht, Utrecht, The Netherlands Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands Electronic \& Information Engineering School, Harbin Institute of Technology (Shenzhen), China Peng Cheng Laboratory, Shenzhen, China Division of Medical Image Computing, German Cancer Research Center (DKFZ), Heidelberg, Germany Faculty of Mathematics Computer Science, Heidelberg University, Germany Helmholtz Imaging, German Cancer Research Center, Heidelberg, Germany Data Science School for Health, Karlsruhe/Heidelberg, Germany Learning Group, Department of Radiation Oncology, Heidelberg University Hospital Department of Radiology, University of Washington, Seattle, WA, USA Department of Radiology, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China Department of Clinical Neurosciences, Division of Neurosurgery, Geneva University Hospitals, Geneva, Switzerland Department of Neurology, University Hospital of Zurich, Zurich, Switzerland Department of Physiology, University of Toronto, Canada Department of Neurosurgery, University Hospital of Zurich, Zurich, Switzerland Department of Diagnostic Imaging, National University Hospital, Singapore University of Chicago, USA Department of Diagnostic Interventional Neuroradiology, University Hospital Berne University of Berne, Berne, Switzerland Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Montréal, Québec, Canada DEEPNOID Inc., Seoul, South Korea Department of Artificial Intelligence, Korea University, Seoul, South Korea Charité Lab for AI in Medicine (CLAIM), Charité Universitätsmedizin Berlin, Berlin, Germany Lung Institute, Faculty of Medicine, Imperial College London, London, UK Centre for Medical Image Computing, Department of Computer Science, University College London, London, UK Department of Radiation Oncology, Duke University Medical Center, Durham, NC, USA Institute of Medical Technology, Peking University Health Science Center, Beijing, China Hangzhou Genlight MedTech Co., Ltd., China Institute of Medical Robotics, Shanghai Jiao Tong University, Shanghai, China Department of Automation, Shanghai Jiao Tong University, Shanghai, China Department of Artificial Intelligence, Sungkyunkwan University, Seoul, South Korea Department of Electrical Computer Engineering, Sungkyunkwan University, Seoul, South Korea Shanghai MediWorks Precision Instruments Co., Ltd., China Institute of Informatics, HES-SO Valais-Wallis, Switzerland Department of Measurement Electronics, AGH University of Krakow, Poland Laboratoire de Thermique et Energie de Nantes (LTeN), Université Nantes, Polytech’Nantes, Nantes, France Research Institute of Computer Vision Center for Precision Health, McWilliams School of Biomedical Informatics, University of Texas Health Science Center at Houston, USA Physense, BCN-Medtech, Department of Communication Information Technologies, Universitat Pompeu Fabra, Barcelona, Spain Department of Mathematical Modeling Machine Learning, University of Zurich, Zurich, Switzerland Laboratory of Brain Atlas Brain-inspired Intelligence, Institute of Automation, Chinese Academy of Sciences, Beijing, China School of Artificial Intelligence, University of Chinese Academy of Sciences, Beijing, China School of Computer Information Engineering, Xiamen University of Technology, Xiamen, China Vascular Research Center, University at Buffalo, NY, USA Department of Pathology Anatomical Sciences, University at Buffalo, NY, USA Department of Neurosurgery, University at Buffalo, NY, USA LPIXEL Inc., Tokyo, Japan

AI总结 组织TopCoW基准挑战,发布含125对MRA和CTA扫描的注释数据集,参与者提交CoW分割和变体分类算法,经评估,最佳算法在多任务中表现出色,证明CoW分割算法对下游临床应用有可解释性效用。

Comments Summary paper for the TopCoW Challenge: 4 figures, 1 table, and supplementary material in appendix. Accepted for publication in NEJM AI. Datasets and best-performing algorithm Dockers are available at https://zenodo.org/records/15692630 and https://zenodo.org/records/15665435

Journal ref NEJM AI 2026;3(8)

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2405.19466 2026-07-15 cs.LG stat.ML 版本更新

Active Exploration via Autoregressive Generation of Missing Data

通过自回归生成缺失数据进行主动探索

Tiffany Tianhui Cai, Hongseok Namkoong, Daniel Russo, Kelly W Zhang

机构 * Columbia University(哥伦比亚大学) Imperial College London(帝国理工学院)

AI总结 将在线决策中的不确定性量化和探索问题转化为自回归序列模型的训练与生成,通过预测缺失结果而非潜在参数来建模不确定性,理论证明在线学习可归约为离线下一结果预测,并在新闻推荐中验证有效性。

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2607.11654 2026-07-14 cs.RO cs.SE 新提交

A Model for Mediating Multi-Modal Human Intent into Safe Maneuvers for UAVs

一种将多模态人类意图转化为无人机安全机动的中介模型

Sofia Nelson, Dalal Alrajeh, Pedro Antonio Alarcon Granadeno, Jane Cleland-Huang

机构 * University of Notre Dame(诺丁汉大学) Imperial College London(伦敦帝国理工学院)

AI总结 研究如何将多模态人类意图转化为无人机安全机动,提出需求导向的机动响应模型,通过结构化管道处理操作员输入,经多种约束验证后执行,还形式化为此类规范模型,经实验室验证可可靠解释并安全执行相关输入。

Comments 11 pages, 4 figures, preprint for MODRE 2026

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2607.11555 2026-07-14 cs.LG 新提交

Advancing Optimal Subset Oracle via Learning Relaxation of Neural Set Functions

通过学习神经集函数的松弛来推进最优子集预言机

Yongquan Shi, Zijing Ou, Shiping Wang, Yatao Bian

机构 * Fuzhou University(福州大学) Imperial College London(伦敦帝国学院) National University of Singapore(新加坡国立大学)

AI总结 研究神经集函数学习,针对现有最优子集预言机框架依赖蒙特卡罗采样估计梯度导致计算开销大且轨迹不稳定的问题,提出将证据下界重新解释为连续松弛并学习替代目标,实验证明该方法能减少开销、加速推理并优于现有基线。

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2607.11102 2026-07-14 cs.SD 新提交

CHARM: Charge Calibration and Acoustic Rescue for LLM-based Multimodal Sarcasm Detection

CHARM:基于大语言模型的多模态讽刺检测中的电荷校准与声学救援

Qiyang Sun, Yi Chang, Yupei Li, Xi Shao, Zixing Zhang, Björn W. Schuller

机构 * GLAM – the Group on Language, Audio, & Music, Imperial College London(伦敦帝国理工学院语言、音频和音乐小组) College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications(南京邮电大学通信与信息工程学院) College of Computer Science and Electronic Engineering, Hunan University(湖南大学计算机科学与电子工程学院) Shenzhen Research Institute, Hunan University(湖南大学深圳研究院) CHI – Chair of Health Informatics, TUM University Hospital(慕尼黑工业大学医院健康信息学主席) relAI – the Konrad Zuse School of Excellence in Reliable AI(康拉德·楚泽可靠人工智能卓越学院) MDSI – Munich Data Science Institute(慕尼黑数据科学研究所) MCML – Munich Center for Machine Learning(慕尼黑机器学习中心)

AI总结 研究针对大语言模型在讽刺检测中过度预测积极类别及韵律线索利用不足的问题,提出CHARM框架,含双向电荷校准和声学后期融合救援两个模块,无需微调主干,提升检测性能,揭示跨文化韵律解耦,产生可解释的跨语言多模态检测器。

Comments under review

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2607.10891 2026-07-14 cs.AI 新提交

SETA: Scaling Environments for Terminal Agents

SETA:终端智能体的扩展环境

Qijia Shen, Zhiqi Huang, Vamsidhar Kamanuru, Aznaur Aliev, Jay Rainton, Ahmed Awelkair, Zhichen Zeng, Jiajun Li, Shi Dong, Yueming Yuan, Boyuan Ma, Qizheng Zhang, Jiwei Fu, Yuzhen Mao, Wendong Fan, Ping Nie, Philip Torr, Bernard Ghanem, Changran Hu, Jonathan Lingjie Li, Urmish Thakker, Guohao Li

机构 * Imperial College London(帝国理工学院) University College London(伦敦大学学院) SambaNova(桑巴诺瓦公司) KAUST(阿卜杜拉国王科技大学) Stanford University(斯坦福大学) University of Oxford(牛津大学) University of Waterloo(滑铁卢大学) RadixArk(基数方舟公司)

AI总结 研究针对终端智能体训练扩展难的问题,提出SETA框架,含SETA - Synth和SETA - Evol两个管道及统一验证机制,构建了SETA - Env数据集。实验显示该数据集能为终端智能体提供优质训练环境,推动相关研究发展。

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2607.10655 2026-07-14 cs.RO 新提交

Artificial Foveated Perception for Mitigating Shortcut Learning in Robotic Foundation Models

用于减轻机器人基础模型中捷径学习的人工中央凹感知

Xiatao Sun, Yuan Zhuang, Mateo Sanchez Lopez Negrete, Matei-Victor Coldea, Chen Liang, Haoyang Zhang, Che Liu, Ziyao Zeng, Shawn Li, Qian Wang, Fei Miao, Daniel Rakita

机构 * Yale University(耶鲁大学) University of Connecticut(康涅狄格大学) Peking University(北京大学) Imperial College London(帝国理工学院) Digients

AI总结 研究机器人基础模型因捷径学习难以稳健部署的问题,提出人工中央凹感知模块AFP,通过预测任务条件掩码辅助微调,使策略关注任务相关区域,实验证明其能减少微调时间、抑制过拟合并提升泛化能力。

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2607.10358 2026-07-14 cs.CV cs.AI 新提交

Benchmarking the Robustness of Foundation Models for Mammography under Domain Shift

在域转移下对用于乳腺钼靶成像的基础模型的稳健性进行基准测试

Giang Nguyen, Raghav Mehta, Emma A. M. Stanley, Tian Xia, Thi Hao Nguyen, Hieu Pham, Ben Glocker

机构 * College of Engineering and Computer Science, VinUniversity(工程与计算机科学学院,文大大学) Imperial College London(伦敦帝国理工学院) Radiology Department, Vietnam National Cancer Hospital(越南国家癌症医院放射科) VinUni-Illinois Smart Health Center, VinUniversity(文大大学 - 伊利诺伊智能健康中心,文大大学) The Computer Vision and Medical AI Lab, VinUniversity(计算机视觉与医学人工智能实验室,文大大学)

AI总结 研究在域转移下乳腺钼靶成像基础模型的稳健性,用统一协议在多数据集上训练评估15种模型主干,发现特定视觉语言模型性能强,DINOv3是有竞争力基线,适应预训练未持续提升泛化,强调数据集级OOD评估是核心标准。

Comments Under Review. Giang Nguyen and Raghav Mehta contributed equally

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2607.10357 2026-07-14 cs.CV cs.AI 新提交

GRC-ProbNet: Uncertainty-aware Feature Extraction for Cardiovascular Disease Classification

GRC-ProbNet:用于心血管疾病分类的不确定性感知特征提取

Yash Shah, Omar Todd, Philipp Seeböck, Georg Langs, Ben Glocker, Raghav Mehta

机构 * Imperial College London(伦敦帝国学院) Medical University of Vienna(维也纳医科大学)

AI总结 研究旨在从CT图像自动检测和分类心血管疾病,提出GRC-ProbNet利用深度集成生成多个分割掩码以提取不确定性特征,实验表明该方法能提高CVD分类的AUROC,优于基线GRC-Net模型。

Comments Under Review

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2607.10004 2026-07-14 cs.CV 新提交

Model Guides You How to Draw: Adaptive Visual Gating for Unified Multimodal Reasoning

模型指导绘图:用于统一多模态推理的自适应视觉门控

Wenxi Gao, Guanxi Lu, Didi Zhu, Hao Mark Chen, Quan Deng, Zhican Wang, Jiankang Deng, Hongxiang Fan

机构 * Imperial College London(伦敦帝国理工学院) Tsinghua University(清华大学)

AI总结 针对统一多模态模型在视觉推理中存在的问题,提出基于生成意图和视觉保真度两个内部信号的AdaViG方法,可动态评估视觉步骤,避免误导性视觉证据进入推理过程,提升了准确率并降低计算量和延迟。

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2607.11005 2026-07-14 math.OC cs.AI cs.LG stat.ML 新提交

Actor-Critic Learning for Extended Mean Field Control with Deterministic Policies

具有确定性策略的扩展平均场控制的演员-评论家学习

Ziheng Cheng, Xin Guo, Huyên Pham, Yufei Zhang

机构 * University of California, Berkeley(加州大学伯克利分校) Ecole Polytechnique, CMAP(巴黎政治经济学院(École Polytechnique)) Imperial College London(伦敦帝国学院)

AI总结 针对连续时间扩展平均场控制问题,提出无模型强化学习框架,采用确定性反馈策略,建立灵敏度公式并推导策略梯度公式,经细化后得到含相关导数项的策略梯度,结合多种方法形成算法,数值实验验证了该方法的有效性。

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2607.10430 2026-07-14 q-bio.NC cs.IT cs.LG cs.NE math.IT nlin.CD 新提交

Emergent Generalization by Representation Learning in Artificial Neural Networks

人工神经网络中通过表征学习实现的涌现式泛化

Hardik Rajpal, Dan Goodman

机构 * I-X Centre for AI in Science, Imperial College London(AI科学中心,帝国理工学院伦敦分校) Department of Electrical and Electronic Engineering, Imperial College London(电气与电子工程系,帝国理工学院伦敦分校)

AI总结 研究探讨人工神经网络中低维表征对泛化的作用,通过信息瓶颈使循环神经网络学习低维表征,借助信息论度量刻画其动态,发现非单调轨迹,小鼠实验也有类似结果,表明学习表征对泛化有功能优势及因果作用。

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2508.21787 2026-07-14 cs.CL cs.AI 版本更新

PiCSAR: Probabilistic Confidence Selection And Ranking for Reasoning Chains

PiCSAR:基于推理链的概率置信度选择与排序

Joshua Ong Jun Leang, Zheng Zhao, Aryo Pradipta Gema, Sohee Yang, Wai-Chung Kwan, Xuanli He, Wenda Li, Pasquale Minervini, Eleonora Giunchiglia, Shay B. Cohen

机构 * Imperial College London(伦敦帝国学院) University of Edinburgh(爱丁堡大学) UCL(伦敦大学学院)

AI总结 PiCSAR通过联合对数似然度评估推理链和最终答案的置信度,无需训练即可提升大语言模型和推理模型的准确性,在多个基准测试中表现优异。

Journal ref Findings of the Association for Computational Linguistics: ACL 2026

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2505.02979 2026-07-14 physics.ao-ph cs.LG 版本更新

Parameter estimation for land-surface models using Neural Physics

利用神经物理进行陆面模型参数估计

Ruiyue Huang, Claire E. Heaney, Maarten van Reeuwijk

机构 * Department of Civil and Environmental Engineering, Imperial College London(帝国理工学院土木与环境工程系) Department of Earth Science and Engineering, Imperial College London(帝国理工学院地球科学与工程系) Imperial-X, Imperial College London(帝国理工学院Imperial-X)

AI总结 本文提出一种新型反演方法,通过将数据融入可微物理基础前向模型中,直接优化时间依赖参数,无需推导和维护伴随公式。使用合成数据验证,显示单层土壤温度时间序列无法可靠估计参数,但双层测量可可靠估计参数,同时无法区分潜热和显热通量。

Comments 18 pages, 5 figures, 3 tables

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2512.13840 2026-07-14 cs.CV 版本更新

MoLingo: Motion-Language Alignment for Text-to-Human Motion Generation

MoLingo:用于文本到运动生成的运动-语言对齐

Yannan He, Garvita Tiwari, Xiaohan Zhang, Pankaj Bora, Tolga Birdal, Jan Eric Lenssen, Gerard Pons-Moll

机构 * University of Tübingen(图宾根大学) Tübingen AI Center(图宾根人工智能中心) Max Planck Institute for Informatics(马克斯·普朗克信息学研究所) Imperial College London(伦敦帝国理工学院) Zuse School ELIZA(Zuse ELIZA 学院)

AI总结 本文提出MoLingo模型,通过在连续潜在空间中去噪生成逼真的人体运动。研究如何构建语义对齐的潜在空间和最佳注入文本条件以提高运动真实性与描述一致性。

Comments Accepted by CVPR 2026. Project page: https://hynann.github.io/molingo/MoLingo.html. Title type fixed, content unchanged

Journal ref Proc. IEEE/CVF Conf. Comput. Vis. Pattern Recogn. (CVPR), 2026, pp. 38387-38398

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2601.15353 2026-07-14 stat.AP cs.LG stat.ML 版本更新

Reinforcement Learning in the Real World: A Survey of Statistical Challenges and Future Directions

现实世界中的强化学习:统计挑战与未来方向综述

Asim H. Gazi, Yongyi Guo, Daiqi Gao, Ziping Xu, Kelly W. Zhang, Susan A. Murphy

机构 * Department of Computer Science, Harvard University(哈佛大学计算机科学系) Department of Statistics, University of Wisconsin–Madison(威斯康星大学麦迪逊分校统计学系) Department of Statistics, Harvard University(哈佛大学统计学系) School of Data Science and Society, University of North Carolina at Chapel Hill(北卡罗来纳大学教堂山分校数据科学与社会学院) Department of Mathematics, Imperial College London(伦敦帝国理工学院数学系)

AI总结 本文综述现实世界强化学习应用,指出其研究与部署存在差距及两大挑战。将应用框架化为三部分过程,回顾应对统计挑战的进展,涵盖在线、离线方法及持续改进设计,还概述受应用启发的未来研究方向。

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