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Harvard University(哈佛大学)

共收录 1302
2211.12817 2026-02-24 cs.CV cs.AI

Learning to See the Elephant in the Room: Self-Supervised Context Reasoning in Humans and AI

学习房间中的大象:人类和人工智能中的自监督上下文推理

Xiao Liu, Soumick Sarker, Ankur Sikarwar, Bryan Atista Kiely, Gabriel Kreiman, Zenglin Shi, Mengmi Zhang

机构 * College of Computing and Data Science, Nanyang Technological University(计算与数据科学学院,南洋理工大学) CFAR and I2R, Agency for Science, Technology and Research(CFAR和I2R,科技研究局) Boston Children’s Hospital, Harvard Medical School(哈佛医学院儿童医院)

AI总结 本文提出SeCo模型,通过自监督学习实现上下文推理,展示了上下文关联在场景理解中的关键作用。

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2602.18918 2026-02-24 cs.AI cs.LG

Early Evidence of Vibe-Proving with Consumer LLMs: A Case Study on Spectral Region Characterization with ChatGPT-5.2 (Thinking)

早期证据表明使用消费者LLM进行Vibe-Proving:通过ChatGPT-5.2(Thinking)对频谱区域特征的案例研究

Brecht Verbeken, Brando Vagenende, Marie-Anne Guerry, Andres Algaba, Vincent Ginis

机构 * Data Analytics Lab, Vrije Universiteit Brussel(布鲁塞尔自由大学数据分析实验室) imec-SMIT, Vrije Universiteit Brussel(布鲁塞尔自由大学imec-SMIT) School of Engineering and Applied Sciences, Harvard University(哈佛大学工程与应用科学学院)

AI总结 本文通过ChatGPT-5.2研究了LLM在数学证明中的应用,展示了其在高阶证明搜索中的有效性,并提出了LLM协助的局限性及改进方向。

Comments 41 pages

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2602.10339 2026-02-20 cs.CL

The Subjectivity of Respect in Police Traffic Stops: Modeling Community Perspectives in Body-Worn Camera Footage

警察拦车停靠中尊重的主观性:在体测摄像头录像中建模社区视角

Preni Golazizian, Elnaz Rahmati, Jackson Trager, Zhivar Sourati, Nona Ghazizadeh, Georgios Chochlakis, Jose Alcocer, Kerby Bennett, Aarya Vijay Devnani, Parsa Hejabi, Harry G. Muttram, Akshay Kiran Padte, Mehrshad Saadatinia, Chenhao Wu, Alireza S. Ziabari, Michael Sierra-Arévalo, Nick Weller, Shrikanth Narayanan, Benjamin A. T. Graham, Morteza Dehghani

机构 * Department of Computer Science, University of Southern California(计算机科学系,南加州大学) Department of Psychology, University of Southern California(心理学系,南加州大学) Department of Political Science, University of California Riverside(政治学系,加州河滨大学) Department of Anthropology, University of California Los Angeles(人类学系,加州大学洛杉矶分校) Department of Political Science and International Relations, University of Southern California(政治学与国际关系系,南加州大学) Harvard Law School, Harvard University(哈佛法学院,哈佛大学) Department of Sociology, The University of Texas at Austin(社会学系,德克萨斯大学奥斯汀分校)

AI总结 本文提出了一种视角意识的建模框架,通过分析体测摄像头录像中的社区视角,提升对尊重评分的预测和理由生成能力,以促进公众信任和程序合法性。

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2602.16709 2026-02-19 cs.LG math.ST stat.ME stat.TH

Knowledge-Embedded Latent Projection for Robust Representation Learning

嵌入知识的潜在投影用于鲁棒表征学习

Weijing Tang, Ming Yuan, Zongqi Xia, Tianxi Cai

机构 * Department of Statistics and Data Science, Carnegie Mellon University(卡内基梅隆大学统计学与数据科学系) Department of Statistics, Columbia University(哥伦比亚大学统计学系) Department of Neurology, University of Pittsburgh(匹兹堡大学神经病学系) Department of Biostatistics, Harvard University(哈佛大学生物统计学系)

AI总结 本文提出嵌入知识的潜在投影模型,通过语义信息正则化表征学习,解决高维不平衡数据下的鲁棒表示问题。

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2503.18825 2026-02-19 cs.AI cs.CL cs.GT

EconEvals: Benchmarks and Litmus Tests for Economic Decision-Making by LLM Agents

EconEvals: 用于LLM代理经济决策的基准测试和litmus测试

Sara Fish, Julia Shephard, Minkai Li, Ran I. Shorrer, Yannai A. Gonczarowski

机构 * Harvard University(哈佛大学) Penn State University(宾夕法尼亚州立大学)

AI总结 EconEvals提出了一种用于评估LLM经济决策能力的基准测试和litmus测试框架,通过多个冲突目标任务量化LLM的权衡响应和可靠性,为经济决策中的LLM评估提供了新方法。

Comments v3 was a major revision with updated experiments and analysis; v4 consists of minor edits

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2502.17356 2026-02-19 cs.LG

Random Scaling of Emergent Capabilities

涌现能力的随机缩放

Rosie Zhao, Tian Qin, David Alvarez-Melis, Sham Kakade, Naomi Saphra

机构 * Harvard University(哈佛大学) Kempner Institute for the Study of Natural(自然与人工智能研究学院)

AI总结 研究通过分析随机种子对模型性能的影响,揭示了语言模型在特定规模下的涌现能力突破现象。

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2602.16196 2026-02-19 cs.LG cs.AI cs.MA

Graphon Mean-Field Subsampling for Cooperative Heterogeneous Multi-Agent Reinforcement Learning

图论均值场子采样用于协作异质多智能体强化学习

Emile Anand, Richard Hoffmann, Sarah Liaw, Adam Wierman

机构 * California Institute of Technology(加州理工学院) Harvard University(哈佛大学) Georgia Institute of Technology(佐治亚理工学院)

AI总结 GMFS通过子采样异质智能体交互,实现可扩展的协作多智能体强化学习,具有poly(κ)样本复杂度和O(1/√κ)最优性差距。

Comments 43 pages, 5 figures, 1 table

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2602.16008 2026-02-19 cs.SD cs.AI cs.CL cs.LG

MAEB: Massive Audio Embedding Benchmark

MAEB:大规模音频嵌入基准

Adnan El Assadi, Isaac Chung, Chenghao Xiao, Roman Solomatin, Animesh Jha, Rahul Chand, Silky Singh, Kaitlyn Wang, Ali Sartaz Khan, Marc Moussa Nasser, Sufen Fong, Pengfei He, Alan Xiao, Ayush Sunil Munot, Aditya Shrivastava, Artem Gazizov, Niklas Muennighoff, Kenneth Enevoldsen

机构 * Carleton University(卡尔顿大学) Durham University(杜伦大学) Stanford University(斯坦福大学) Aarhus University(奥胡斯大学) Indian Institute of Technology, Kharagpur(印度理工学院,卡里格普) Harvard University(哈佛大学)

AI总结 MAEB是一个涵盖多语言音频任务的基准,揭示了不同模型在音频与语言任务上的性能差异,展示了音频编码器在跨模态任务中的表现关联性。

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2510.12121 2026-02-19 cs.AI cs.CL cs.LG

Precise Attribute Intensity Control in Large Language Models via Targeted Representation Editing

通过针对性表征编辑实现大语言模型中的精确属性强度控制

Rongzhi Zhang, Liqin Ye, Yuzhao Heng, Xiang Chen, Tong Yu, Lingkai Kong, Sudheer Chava, Chao Zhang

机构 * Georgia Institute of Technology(佐治亚理工学院) Adobe Research(Adobe研究) Harvard University(哈佛大学)

AI总结 本研究通过针对性表征编辑方法,实现大语言模型中精确属性强度控制,提升模型对用户需求的适应能力。

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2506.17040 2026-02-17 cs.CV cs.NE

Stretching Beyond the Obvious: A Gradient-Free Framework to Unveil the Hidden Landscape of Visual Invariance

超越显而易见:一种无梯度框架,揭示视觉不变性的隐藏景观

Lorenzo Tausani, Paolo Muratore, Morgan B. Talbot, Giacomo Amerio, Gabriel Kreiman, Davide Zoccolan

机构 * Neuroscience Area, International School for Advanced Studies (SISSA), Trieste (Italy)(国际先进研究学院(SISSA)神经科学部门,特里埃斯蒂(意大利)) Boston Children’s Hospital, Harvard Medical School, Boston (USA)(哈佛医学院波士顿儿童医院,波士顿(美国)) Center for Brains, Minds, and Machines, MIT, Cambridge (USA)(麻省理工学院大脑、心智与机器中心,剑桥(美国)) Harvard-MIT Program in Health Sciences and Technology, MIT, Cambridge (USA)(哈佛-麻省理工学院健康科学与技术项目,麻省理工学院,剑桥(美国))

AI总结 本文提出SnS框架,通过无梯度方法揭示视觉单元的不变性及对抗敏感性,发现深层表示的伸展会降低模型可解释性。

Comments 33 pages, 15 figures, Accepted as a conference paper at ICLR 2026

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2602.14615 2026-02-17 cs.CV cs.AI cs.LG

VariViT: A Vision Transformer for Variable Image Sizes

VariViT:一种适用于可变图像尺寸的视觉变换器

Aswathi Varma, Suprosanna Shit, Chinmay Prabhakar, Daniel Scholz, Hongwei Bran Li, Bjoern Menze, Daniel Rueckert, Benedikt Wiestler

机构 * Technical University of Munich(慕尼黑技术大学) Institute for Artificial Intelligence and Informatics in Medicine, Technical University of Munich(慕尼黑技术大学人工智能与医学信息研究所) University of Zurich(苏黎世大学) Harvard Medical School(哈佛医学院)

AI总结 VariViT 是一种改进的视觉变换器,通过可变大小裁剪和新的批处理策略,提升医学图像的表示学习性能。

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2602.14404 2026-02-17 cs.AI cs.LG cs.NE

Boule or Baguette? A Study on Task Topology, Length Generalization, and the Benefit of Reasoning Traces

面包还是法棍?一项关于任务拓扑、长度泛化和推理轨迹益处的研究

William L. Tong, Ege Cakar, Cengiz Pehlevan

机构 * School of Engineering and Applied Sciences, Harvard University(哈佛大学工程与应用科学学院) Kempner Institute for the Study of Artificial and Natural Intelligence, Harvard University(哈佛大学人工智能与自然智能研究所) Center for Brain Sciences, Harvard University(哈佛大学脑科学中心)

AI总结 本研究通过PITA数据集探讨推理轨迹在不同任务拓扑和长度泛化中的表现,揭示了RT模型在广度任务中的优势及深度任务的局限性。

Comments 38 pages, 11 figures, code available at https://github.com/wtong98/boule-or-baguette

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2602.14177 2026-02-17 cs.CV cs.AI

Towards Spatial Transcriptomics-driven Pathology Foundation Models

迈向基于空间转录组的病理基础模型

Konstantin Hemker, Andrew H. Song, Cristina Almagro-Pérez, Guillaume Jaume, Sophia J. Wagner, Anurag Vaidya, Nikola Simidjievski, Mateja Jamnik, Faisal Mahmood

机构 * Department of Pathology, Mass General Brigham, Harvard Medical School, Boston, MA, USA(病理学系,马萨诸塞州总医院与哈佛医学院,波士顿,马萨诸塞州,美国) Department of Computer Science & Technology, University of Cambridge, Cambridge, UK(计算机科学与技术系,剑桥大学,剑桥,英国) Cancer Program, Broad Institute of Harvard and MIT, Cambridge, MA, USA(癌症计划,哈佛与麻省理工联合学院,剑桥,马萨诸塞州,美国) Data Science Program, Dana-Farber Cancer Institute, Boston, MA, USA(数据科学计划,达纳-法伯癌症研究所,波士顿,马萨诸塞州,美国) Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA(哈佛-麻省理工健康科学与技术 division,麻省理工学院,剑桥,马萨诸塞州,美国) Télécom Paris, Institut Polytechnique de Paris, Paris, France(巴黎电信学院,巴黎理工学院,巴黎,法国) Harvard Data Science Initiative, Harvard University, Cambridge, MA, USA(哈佛大学数据科学倡议,哈佛大学,剑桥,马萨诸塞州,美国)

AI总结 SEAL通过整合局部分子信息提升病理基础模型性能,实现跨模态应用与领域泛化。

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2602.13944 2026-02-17 cs.CV

Fusing Pixels and Genes: Spatially-Aware Learning in Computational Pathology

融合像素与基因:计算病理学中的空间感知学习

Minghao Han, Dingkang Yang, Linhao Qu, Zizhi Chen, Gang Li, Han Wang, Jiacong Wang, Lihua Zhang

机构 * College of Intelligent Robotics and Advanced Manufacturing, Fudan University(复旦大学智能机器人与先进制造学院) Fysics Intelligence Technologies Co., Ltd. (Fysics AI)(菲茨斯智能科技有限公司(菲茨斯AI)) Department of Biomedical Informatics, Harvard Medical School(哈佛医学院生物医学信息学系) Tencent Youtu Lab(腾讯优图实验室) ByteDance(字节跳动)

AI总结 STAMP通过整合空间解析基因表达数据,提升计算病理学中多模态学习的性能与泛化能力。

Comments accepted by ICLR 2026, 34 pages, 10 figures, 7tables

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2602.09713 2026-02-17 cs.CV

Stroke3D: Lifting 2D strokes into rigged 3D model via latent diffusion models

Stroke3D: 通过潜在扩散模型将2D笔触提升为拟合的3D模型

Ruisi Zhao, Haoren Zheng, Zongxin Yang, Hehe Fan, Yi Yang

机构 * ReLER, CCAI, Zhejiang University(ReLER、CCAAI、浙江大学) DBMI, HMS, Harvard University(DBMI、HMS、哈佛大学)

AI总结 Stroke3D通过潜在扩散模型,将用户绘制的2D笔触和文本提示转化为拟合的3D模型,实现可控的骨骼生成和纹理网格合成。

Comments Accepted by ICLR 2026

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2504.06193 2026-02-17 cs.LG cs.AI

Heuristic Methods are Good Teachers to Distill MLPs for Graph Link Prediction

启发式方法是提炼MLP用于图链接预测的良好教师

Zongyue Qin, Shichang Zhang, Mingxuan Ju, Tong Zhao, Neil Shah, Yizhou Sun

机构 * University of California Los Angeles(加州大学洛杉矶分校) Harvard University(哈佛大学) Snap Inc.(Snap公司)

AI总结 本文提出EHDM方法,通过启发式方法提炼MLP,有效提升图链接预测性能并降低训练成本。

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2602.13398 2026-02-17 cs.LG q-bio.QM

Accelerated Discovery of Cryoprotectant Cocktails via Multi-Objective Bayesian Optimization

通过多目标贝叶斯优化加速冻保护剂混合物的发现

Daniel Emerson, Nora Gaby-Biegel, Purva Joshi, Yoed Rabin, Rebecca D. Sandlin, Levent Burak Kara

机构 * Mechanical Engineering Department, Carnegie Mellon University(卡内基梅隆大学机械工程系) Center for Engineering in Medicine & Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, and Shriners Children’s(医学与手术工程中心,外科部,麻省总医院,哈佛医学院,以及谢尔曼儿童医院)

AI总结 通过多目标贝叶斯优化结合高通量筛选,高效发现同时具有高CPA浓度和高细胞存活率的冻保护剂混合物。

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2602.12932 2026-02-16 stat.ML cs.LG

TFTF: Training-Free Targeted Flow for Conditional Sampling

TFTF:无训练目标流用于条件采样

Qianqian Qu, Jun S. Liu

机构 * Zhili College, Tsinghua University, Beijing, China(清华大学紫荆学院) Department of Statistics and Data Science, Tsinghua University, Beijing, China(清华大学统计与数据科学系) Department of Statistics, Harvard University, Cambridge, MA, USA(哈佛大学统计系)

AI总结 TFTF通过引入随机流和重采样技术,实现无训练条件采样,提升高维和多模态场景下的生成效果。

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2602.12486 2026-02-16 cs.CV cs.AI

Human-Like Coarse Object Representations in Vision Models

视觉模型中的人类样粗粒物体表示

Andrey Gizdov, Andrea Procopio, Yichen Li, Daniel Harari, Tomer Ullman

机构 * Harvard University(哈佛大学) Weizmann Institute of Science(魏茨曼科学研究院) Bocconi University(博科尼大学)

AI总结 本文探讨了视觉模型中人类样粗粒物体表示的形成机制,通过实验发现资源限制而非特定偏见驱动该现象,并提出简单方法提升物理高效的表示。

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2601.20154 2026-02-16 cs.LG

Spectral Ghost in Representation Learning: from Component Analysis to Self-Supervised Learning

表示学习中的谱鬼怪:从成分分析到自监督学习

Bo Dai, Na Li, Dale Schuurmans

机构 * Google DeepMind(谷歌DeepMind) Georgia Tech(佐治亚理工学院) Harvard University(哈佛大学) University of Alberta(阿尔伯塔大学)

AI总结 本文提出了一种基于谱表示的统一框架,用于理解和改进表示学习,通过理论分析揭示现有SSL算法的本质并推动更高效的应用方法。

Comments 43 pages, 3 figures

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2512.06630 2026-02-16 cs.LG quant-ph

Quantum Temporal Convolutional Neural Networks for Cross-Sectional Equity Return Prediction: A Comparative Benchmark Study

量子时序卷积神经网络用于横截面股票收益率预测:一种比较基准研究

Chi-Sheng Chen, Xinyu Zhang, En-Jui Kuo, Rong Fu, Qiuzhe Xie, Fan Zhang

机构 * Beth Israel Deaconess Medical Center \& Harvard Medical School, Boston, MA 02115 USA Luddy School of Informatics, Computing Engineering, Indiana University Bloomington, Bloomington, IN 47405 USA Institute of Electronics Engineering, National Taiwan University, 106319, Taiwan Department of Mathematics, Boise State University, Boise, ID 83702 USA Department of Electrophysics, National Yang Ming Chiao Tung University, 30010,Taiwan

AI总结 本文提出量子时序卷积神经网络QTCNN,通过结合经典时序编码器和量子卷积电路,实现对横截面股票收益率的高效预测,实验结果显示其夏普比率优于经典模型72%。

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2505.02784 2026-02-13 cs.CV

Advances in Automated Fetal Brain MRI Segmentation and Biometry: Insights from the FeTA 2024 Challenge

自动化胎儿脑MRI分割与生物测量的进展:来自FeTA 2024挑战的见解

Vladyslav Zalevskyi, Thomas Sanchez, Misha Kaandorp, Margaux Roulet, Diego Fajardo-Rojas, Liu Li, Jana Hutter, Hongwei Bran Li, Matthew Barkovich, Hui Ji, Luca Wilhelmi, Aline Dändliker, Céline Steger, Mériam Koob, Yvan Gomez, Anton Jakovčić, Melita Klaić, Ana Adžić, Pavel Marković, Gracia Grabarić, Milan Rados, Jordina Aviles Verdera, Gregor Kasprian, Gregor Dovjak, Raphael Gaubert-Rachmühl, Maurice Aschwanden, Qi Zeng, Davood Karimi, Denis Peruzzo, Tommaso Ciceri, Giorgio Longari, Rachika E. Hamadache, Amina Bouzid, Xavier Lladó, Simone Chiarella, Gerard Martí-Juan, Miguel Ángel González Ballester, Marco Castellaro, Marco Pinamonti, Valentina Visani, Robin Cremese, Keïn Sam, Fleur Gaudfernau, Param Ahir, Mehul Parikh, Maximilian Zenk, Michael Baumgartner, Klaus Maier-Hein, Li Tianhong, Yang Hong, Zhao Longfei, Domen Preloznik, Žiga Špiclin, Jae Won Choi, Muyang Li, Jia Fu, Guotai Wang, Jingwen Jiang, Lyuyang Tong, Bo Du, Andrea Gondova, Sungmin You, Kiho Im, Abdul Qayyum, Moona Mazher, Steven A Niederer, Andras Jakab, Roxane Licandro, Kelly Payette, Meritxell Bach Cuadra

机构 * organization= Department of Radiology, Lausanne University Hospital University of Lausanne , city= Lausanne , country= Switzerland organization= CIBM Center for Biomedical Imaging , city= Lausanne , country= Switzerland organization= Department of Early Life Imaging, School of Biomedical Engineering \& Imaging Sciences, King’s College London , city= London , country= UK organization= Smart Imaging Lab, University Hospital Erlangen , city= Erlangen , country= Germany organization= Center for MR-Research, University Children’s Hospital Zurich, University of Zurich , city= Zurich , country= Switzerland organization= Neuroscience Center Zurich, University of Zurich , city= Zurich , country= Switzerland organization= National Heart \& Lung Institute, Imperial College London , city= London , country= UK organization= University of California, San Francisco UCSF Benioff Children’s Hospital , city= San Francisco , state= California , country= USA organization= Department of Quantitative Biomedicine, University of Zurich , city= Zurich , country= Switzerland organization= Department of Informatics, Technical University of Munich , city= Munich , country= Germany organization= Boston Children’s Hospital, Harvard Medical School , city= Boston , state= Massachusetts , country= USA organization= Neuroimaging Unit, Scientific Institute IRCCS E. Medea , city= Bosisio Parini , country= Italy organization= Department of Informatics, Systems Communication, University of Milano Bicocca , city= Milan , country= Italy organization= Research Institute of Computer Vision organization= BCN MedTech, Department of Engineering, Universitat Pompeu Fabra , city= Barcelona , country= Spain organization= Department of Information Engineering, University of Padova , city= Padova , country= Italy organization= Institut Pasteur, Université Paris Cité, CNRS UMR 3571, Decision organization= Inria, HeKA, PariSantéCampus , city= Paris , country= France organization= L. D. College of Engineering , city= Gujarat , country= India organization= Medical Faculty Heidelberg, Heidelberg University , addressline= Pattern Analysis Learning Group, Department of Radiation Oncology, Heidelberg University Hospital , city= Heidelberg , country= Germany organization= Canon Medical Systems (China) Co., Ltd , city= , country= China organization= Faculty of Electrical Engineering, University of Ljubljana , city= Ljubljana , country= Slovenia organization= Department of Radiology, Seoul National University Hospital , city= Seoul , country= South Korea organization= School of Mechanical Electrical Engineering, University of Electronic Science organization= School of Computer Science, Wuhan University , city= Wuhan , country= China Developmental Science Center, Boston Children’s Hospital, Harvard Medical School , city= Boston , state= Massachusetts , country= USA organization= Hawkes Institute, Department of Computer Science, University College London , city= London , country= UK organization= Laboratory for Computational Neuroimaging, Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital/Harvard Medical School , city= Charlestown , state= Massachusetts , country= USA organization= Department of Biomedical Imaging Image-guided Therapy, Computational Imaging Research Lab (CIR), Early Life Image Analysis Group, Medical University of Vienna , city= Vienna , country= Austria organization= University Research Priority Project Adaptive Brain Circuits in Development Learning (AdaBD), University of Zurich , city= Zurich , country= Switzerland organization= Sagol Brain Institute, Tel Aviv Sourasky Medical Center School of EE, Tel-Aviv University , city= Tel-Aviv , country= Israel organization= Department of Medical Imaging Sciences, The Faculty of Social Welfare Health Sciences, University of Haifa , city= Haifa , country= Israel Faculty of Medicine Sagol School of Neuroscience, Tel-Aviv University , city= Tel-Aviv , country= Israel organization= Department Woman-Mother-Child, CHUV , city= Lausanne , country= Switzerland organization= BCNatal Fetal Medicine Research Center (Hospital Clínic Hospital Sant Joan de Déu), Universitat de Barcelona , city= Barcelona , country= Spain organization= German Cancer Research Center (DKFZ) Heidelberg, Division of Medical Image Computing , city= Heidelberg , country= Germany organization= Helmholtz Imaging, German Cancer Research Center (DKFZ) , city= Heidelberg , country= Germany organization= Faculty of Mathematics Computer Science, Heidelberg University , city= Heidelberg , country= Germany organization= University of Zurich , city= Zurich , country= Switzerland organization= Croatian Institute for Brain Research, School of Medicine, University of Zagreb , city= Zagreb , country= Croatia organization= Department of Biomedical Engineering, School of Biomedical Engineering \& Imaging Sciences, King’s College , city= London , country= United Kingdom Musculoskeletal Radiology, Medical University of Vienna , city= Vienna , country= Austria organization= Division of Newborn Medicine, Boston Children’s Hospital, Harvard Medical School , city= Boston , state= Massachusetts , country= USA organization= Department of Radiology, Boston Children’s Hospital, Harvard Medical School , city= Boston , state= Massachusetts , country= USA

AI总结 FeTA 2024挑战通过引入生物测量预测和低场MRI数据,推动了胎儿脑MRI分割与生物测量的自动化进展,揭示了拓扑差异和成像系统对分割性能的影响。

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2512.19905 2026-02-13 cs.LG cs.AI

Demystifying LLM-as-a-Judge: Analytically Tractable Model for Inference-Time Scaling

解析LLM作为裁判:用于推理时间扩展的可分析模型

Indranil Halder, Cengiz Pehlevan

机构 * John A. Paulson School of Engineering And Applied Sciences, Harvard University(哈佛大学约翰·A·保罗森工程与应用科学学院) Center for Brain Science, Harvard University(哈佛大学脑科学中心) Kempner Institute for the Study of Natural and Artificial Intelligence, Harvard University(哈佛大学自然与人工智能研究学院)

AI总结 本文提出一个可分析的模型,用于推理时间扩展,通过奖励加权采样器和贝叶斯线性回归,分析推理时间样本与一般化误差的关系,并展示在任务难度增加时该优势的退化。

Comments 27 pages

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2509.22341 2026-02-13 stat.ML cs.LG math.ST stat.ME stat.TH

Preventing Model Collapse Under Overparametrization: Optimal Mixing Ratios for Interpolation Learning and Ridge Regression

在过度参数化下防止模型崩溃:插值学习和岭回归的最优混合比例

Anvit Garg, Sohom Bhattacharya, Pragya Sur

机构 * Harvard University(哈佛大学) University of Florida(佛罗里达大学)

AI总结 研究在过度参数化下防止模型崩溃,通过插值学习和岭回归的最优混合比例分析,揭示了最优混合权重的性质及在不同设置下的学习效果。

Comments 36 pages, 5 figures

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2502.12530 2026-02-13 cs.CL cs.LG

Translate Policy to Language: Flow Matching Generated Rewards for LLM Explanations

将策略翻译为语言:通过生成连续归一化流生成的奖励用于LLM解释

Xinyi Yang, Liang Zeng, Heng Dong, Chao Yu, Xiaoran Wu, Huazhong Yang, Yu Wang, Milind Tambe, Tonghan Wang

机构 * AIPD, Tencent, Shenzhen, China(腾讯人工智能与大数据研究院,深圳,中国) IIIS, Tsinghua University, Beijing, China(清华大学人工智能学院,北京,中国) EE, Tsinghua University, Beijing, China(清华大学电子工程系,北京,中国) CS, Tsinghua University, Beijing, China(清华大学计算机系,北京,中国) SEAS, Harvard University, Cambridge, USA(哈佛大学工程学院,剑桥,美国) College of AI, Tsinghua University, Beijing, China(清华大学人工智能学院,北京,中国)

AI总结 本文提出通过生成连续归一化流生成奖励,训练LLM生成更准确、逻辑严谨且认知负担更低的解释,以提升智能体与人类共存的可靠性。

Comments Accepted by ICLR 2026

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2602.10367 2026-02-12 cs.AI

LiveMedBench: A Contamination-Free Medical Benchmark for LLMs with Automated Rubric Evaluation

LiveMedBench: 一个无污染的医疗基准测试,用于具有自动评分评估的LLM

Zhiling Yan, Dingjie Song, Zhe Fang, Yisheng Ji, Xiang Li, Quanzheng Li, Lichao Sun

机构 * Lehigh University(莱维大学) Harvard University(哈佛大学) Imperial College London(伦敦帝国学院) Massachusetts General Hospital(麻省总医院) Harvard Medical School(哈佛医学院)

AI总结 LiveMedBench通过持续更新和自动评分框架,提供无污染的医疗基准测试,验证LLM在临床推理中的性能,揭示数据污染和上下文适应性问题。

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2602.10156 2026-02-12 q-bio.GN cs.LG q-bio.CB

STRAND: Sequence-Conditioned Transport for Single-Cell Perturbations

STRAND:基于序列的传输用于单细胞扰动

Boyang Fu, George Dasoulas, Sameer Gabbita, Xiang Lin, Shanghua Gao, Xiaorui Su, Soumya Ghosh, Marinka Zitnik

机构 * Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA Merck \& Co., Inc., Cambridge, MA, USA Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, USA Kempner Institute for the Study of Natural Artificial Intelligence, Harvard University, Allston, MA, USA Broad Institute of MIT

AI总结 STRAND通过条件化调控DNA序列预测单细胞转录响应,提升基因扰动分析的准确性和泛化能力。

Comments 8 pages for main draft, 6 main figures

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2602.10097 2026-02-11 cs.LG cs.AI

Step-resolved data attribution for looped transformers

循环变换器中逐步数据归因

Georgios Kaissis, David Mildenberger, Juan Felipe Gomez, Martin J. Menten, Eleni Triantafillou

机构 * Hasso Plattner Institute for Digital Engineering, University of Potsdam(波恩大学数字工程研究所) Technical University of Munich(慕尼黑技术大学) Munich Center for Machine Learning (MCML)(慕尼黑机器学习中心) Harvard University(哈佛大学) Imperial College London(伦敦帝国理工学院) Google DeepMind(谷歌DeepMind)

AI总结 本文提出SDI方法,用于分析循环变换器中每个循环步骤对模型的影响,提升数据归因和可解释性能力。

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2602.09449 2026-02-11 cs.CV

Look-Ahead and Look-Back Flows: Training-Free Image Generation with Trajectory Smoothing

前瞻与回顾流:基于轨迹平滑的无训练图像生成

Yan Luo, Henry Huang, Todd Y. Zhou, Mengyu Wang

机构 * Harvard AI and Robotics Lab, Harvard University(哈佛人工智能与机器人实验室,哈佛大学)

AI总结 本文提出两种无训练轨迹平滑方法,通过优化潜在空间中的生成路径,在多个数据集上显著提升图像生成性能。

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2602.09159 2026-02-11 cs.AI cs.MA

CoMMa: Contribution-Aware Medical Multi-Agents From A Game-Theoretic Perspective

从博弈论视角出发的贡献感知医疗多智能体:CoMMa

Yichen Wu, Yujin Oh, Sangjoon Park, Kailong Fan, Dania Daye, Hana Farzaneh, Xiang Li, Raul Uppot, Quanzheng Li

机构 * Center for Advanced Medical Computing(先进医学计算中心) Department of Radiology, Massachusetts General Hospital(放射科,马萨诸塞总医院) Harvard Medical School(哈佛医学院) Department of Radiation Oncology, Yonsei University College of Medicine(放射肿瘤科,延世大学医学院) Yonsei University(延世大学) Institute for Innovation in Digital Healthcare(数字医疗创新研究所) Interventional Radiology Academic Medical Centers, Mass General Brigham(介入放射学学术医疗中心,马萨诸塞总医院 Brigham)

AI总结 CoMMa从博弈论视角提出一种去中心化医疗多智能体框架,通过确定性嵌入投影实现贡献感知的信用分配,提升肿瘤学决策支持的准确性和稳定性。

Comments 9 pages, 3 figures

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