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高校专区

Harvard University(哈佛大学)

2026-02-13 至 2026-02-13 共收录 4
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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