arXivDaily arXiv每日学术速递 周一至周五更新

高校专区

Harvard University(哈佛大学)

2026-06-18 至 2026-06-18 共收录 4
2606.18867 2026-06-18 cs.LG cs.CY stat.ML 新提交

Strategic Feature Selection

战略特征选择

Jivat Neet Kaur, Pratik Patil, Divya Shanmugam, Emma Pierson, Michael I. Jordan, Nika Haghtalab, Meena Jagadeesan, Ahmed Alaa, Serena Wang

机构 * University of California, Berkeley(加州大学伯克利分校) University of Texas, Austin(德克萨斯大学奥斯汀分校) Cornell Tech(康奈尔科技) Stanford University(斯坦福大学) University of Pennsylvania(宾夕法尼亚大学) Harvard University(哈佛大学) Inria, Paris(巴黎Inria)

AI总结 研究通过特征选择和岭正则化应对战略操纵的分类问题,发现仅基于可操纵性排除特征通常次优,提出联合优化特征集与正则化水平的算法,并在医疗支付基准上验证。

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2606.19179 2026-06-18 cs.LG cs.AI math.OC stat.ML 新提交

Compute Efficiency and Serial Runtime Tradeoffs for Stochastic Momentum Methods

随机动量方法的计算效率与串行运行时间权衡

Depen Morwani, Alexandru Meterez, Pranav Nair, Sham Kakade

机构 * Harvard University(哈佛大学) Kempner Institute at Harvard University(哈佛大学凯普纳研究所)

AI总结 研究随机动量方法(如重球法和加速SGD)在一致线性回归中的批次大小权衡,证明重球法不改善SGD的计算效率前沿但允许更大批次减少串行运行时间,而加速SGD的计算效率与串行运行时间权衡依赖于谱衰减。

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2604.14837 2026-06-18 cs.CV

Improved Multiscale Structural Mapping with Supervertex Vision Transformer for the Detection of Alzheimer's Disease Neurodegeneration

改进的多尺度结构映射与超顶点视觉Transformer用于阿尔茨海默病神经退行性病变的检测

Geonwoo Baek, David H. Salat, Ikbeom Jang

机构 * Department of Computer Science \& Engineering, Hankuk University of Foreign Studies, Seoul, Republic of Korea Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA Department of Radiology, Harvard Medical School, Boston, MA, USA Neuroimaging Research for Veterans (NeRVe) Center, VA Boston Healthcare System, Boston, MA, USA

AI总结 本文提出MSSM+结合SSVM和SV-ViT,通过多尺度结构映射和超顶点映射提高阿尔茨海默病早期检测的准确性,实现了更显著的组间差异识别和分类性能提升。

Comments Submitted to Human Brain Mapping

Journal ref Human Brain Mapping 47(8), e70548 (2026)

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2406.15537 2026-06-18 q-bio.NC cs.AI cs.SD eess.AS

R&B -- Rhythm and Brain: Cross-subject Decoding of Music from Human Brain Activity

R&B -- 音乐与大脑:从人类脑活动交叉解码音乐

Matteo Ferrante, Matteo Ciferri, Nicola Toschi

机构 * Department of Biomedicine and Prevention University of Rome Tor Vergata(生物医学与预防系罗马大学托尔维加塔分校) A.A. Martinos Center for Biomedical Imaging Harvard Medical School/MGH, Boston (US)(A.A. Martinos生物医学成像中心哈佛医学院/马萨诸塞总医院,波士顿(美国))

AI总结 研究通过fMRI数据解码音乐,利用CLAP模型和voxel编码模型,实现跨被试音乐识别,提升音乐感知与情绪的神经基础理解。

Comments The first two authors contributed equally to this work

Journal ref Neural Networks, 203, 109195 (2026)

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