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Metric learning aims to embed one metric space into another to benefit tasks like classification and clustering. Although a greatly distorted metric space has a high degree of freedom to fit training data, it is prone to overfitting and…

机器学习 · 计算机科学 2015-05-12 Renjie Liao , Jianping Shi , Ziyang Ma , Jun Zhu , Jiaya Jia

Modern deep learning models have demonstrated outstanding performance on discovering the underlying mechanisms when both visual appearance and intrinsic relations (e.g., causal structure) data are sufficient, such as Disentangled…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Hanchen Xie , Jiageng Zhu , Mahyar Khayatkhoei , Jiazhi Li , Wael AbdAlmageed

Machine learning has emerged as a promising approach to path loss prediction, yet its effectiveness often degrades when measurement data are scarce. To address this limitation, we propose an ensemble-based machine learning framework that…

信号处理 · 电气工程与系统科学 2026-05-26 Ahmed P. Mohamed , Byunghyun Lee , Yaguang Zhang , Christopher R. Anderson , David J. Love , James V. Krogmeier

Molecular simulations can provide microscopic insight into the physical and chemical driving forces of complex molecular processes. Despite continued advancement of simulation methodology, model errors may lead to inconsistencies between…

化学物理 · 物理学 2016-02-12 Joseph F. Rudzinski , Kurt Kremer , Tristan Bereau

We propose S3 (Specialization, Selection, Sparsification), a framework that rethinks multimodal learning through a structural perspective. Instead of encoding all signals into a fixed embedding, S3 decomposes multimodal inputs into semantic…

机器学习 · 计算机科学 2026-05-07 Hahyeon Choi , Nojun Kwak

Most of the prior work on multi-agent reinforcement learning (MARL) achieves optimal collaboration by directly controlling the agents to maximize a common reward. In this paper, we aim to address this from a different angle. In particular,…

人工智能 · 计算机科学 2019-03-08 Tianmin Shu , Yuandong Tian

Multimodal magnetic resonance imaging (MRI) provides complementary information for sub-region analysis of brain tumors. Plenty of methods have been proposed for automatic brain tumor segmentation using four common MRI modalities and…

图像与视频处理 · 电气工程与系统科学 2023-03-10 Hong Liu , Dong Wei , Donghuan Lu , Jinghan Sun , Liansheng Wang , Yefeng Zheng

Structural magnetic resonance imaging (sMRI) provides accurate estimates of the brain's structural organization and learning invariant brain representations from sMRI is an enduring issue in neuroscience. Previous deep representation…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Ning Jiang , Gongshu Wang , Tianyi Yan

Model predictive control (MPC) is a promising technique for motion cueing in driving simulators, but its high computation time limits widespread real-time application. This paper proposes a hybrid algorithm that combines filter-based and…

机器人学 · 计算机科学 2023-09-06 Vishrut Jain , Andrea Lazcano , Riender Happee , Barys Shyrokau

Numerous studies attempt to mitigate classification bias caused by class imbalance. However, existing studies have yet to explore the collaborative optimization of imbalanced learning and model training. This constraint hinders further…

机器学习 · 计算机科学 2025-12-30 Chuantao Li , Zhi Li , Jiahao Xu , Jie Li , Sheng Li

Multi-modal fusion is of great significance in neuroscience which integrates information from different modalities and can achieve better performance than uni-modal methods in downstream tasks. Current multi-modal fusion methods in brain…

人工智能 · 计算机科学 2026-04-03 Rui Dong , Xiaotong Zhang , Jiaxing Li , Yueying Li , Jiayin Wei , Youyong Kong

Parallel imaging is ubiquitous in MRI, enabling diverse applications such as ultra-high-resolution functional and quantitative imaging with greater temporal resolution or reduced scan times respectively. Successful unfolding is contingent…

Recently, machine learning-based semantic segmentation algorithms have demonstrated their potential to accurately segment regions and contours in medical images, allowing the precise location of anatomical structures and abnormalities.…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yifei Wang , Chuhong Zhu

Distributed compressive sensing is a framework considering jointly sparsity within signal ensembles along with multiple measurement vectors (MMVs). The current theoretical bound of performance for MMVs, however, is derived to be the same…

信息论 · 计算机科学 2016-09-12 Sung-Hsien Hsieh , Wei-Jie Liang , Chun-Shien Lu , Soo-Chang Pei

While robot learning has demonstrated promising results for enabling robots to automatically acquire new skills, a critical challenge in deploying learning-based systems is scale: acquiring enough data for the robot to effectively…

机器人学 · 计算机科学 2020-03-06 Avi Singh , Eric Jang , Alexander Irpan , Daniel Kappler , Murtaza Dalal , Sergey Levine , Mohi Khansari , Chelsea Finn

With a proliferation of generic domain-adaptation approaches, we report a simple yet effective technique for learning difficult per-pixel 2.5D and 3D regression representations of articulated people. We obtained strong sim-to-real domain…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Tyler Zhu , Per Karlsson , Christoph Bregler

The problem of model collapse has presented new challenges in iterative training of generative models, where such training with synthetic data leads to an overall degradation of performance. This paper looks at the problem from a…

机器学习 · 统计学 2026-02-19 Soham Bakshi , Sunrit Chakraborty

Monte Carlo simulation is often used for the reliability assessment of power systems, but it converges slowly when the system is complex. Multilevel Monte Carlo (MLMC) can be applied to speed up computation without compromises on model…

统计计算 · 统计学 2022-07-12 Ensieh Sharifnia , Simon Tindemans

Data quality and diversity are key to the construction of effective instruction-tuning datasets. % With the increasing availability of open-source instruction-tuning datasets, it is advantageous to automatically select high-quality and…

计算与语言 · 计算机科学 2025-04-21 Yicheng Chen , Yining Li , Kai Hu , Zerun Ma , Haochen Ye , Kai Chen

Medical image segmentation supports clinical workflows by precisely delineating anatomical structures and lesions. However, medical image datasets medical image datasets suffer from acquisition noise and annotation ambiguity, causing…

人工智能 · 计算机科学 2026-04-14 Ruiyang Li , Fang Liu , Licheng Jiao , Xinglin Xie , Jiayao Hao , Shuo Li , Xu Liu , Jingyi Yang , Lingling Li , Puhua Chen , Wenping Ma
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