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A fundamental challenge in physics-informed machine learning (PIML) is the design of robust PIML methods for out-of-distribution (OOD) forecasting tasks. These OOD tasks require learning-to-learn from observations of the same (ODE)…

机器学习 · 计算机科学 2023-03-07 S Chandra Mouli , Muhammad Ashraful Alam , Bruno Ribeiro

Decentralized machine learning (DML) supports collaborative training in large-scale networks with no central server. It is sensitive to the quality and reliability of inter-device communications that result in time-varying and stochastic…

信号处理 · 电气工程与系统科学 2025-11-06 Zhiyuan Zhai , Shuyan Hu , Wei Ni , Xiaojun Yuan , Xin Wang

Real-world machine learning applications often face simultaneous covariate and semantic shifts, challenging traditional domain generalization and out-of-distribution (OOD) detection methods. We introduce Meta-learned Across Domain…

机器学习 · 计算机科学 2024-11-06 Haoliang Wang , Chen Zhao , Feng Chen

There has been a massive increase in research interest towards applying data driven methods to problems in mechanics. While traditional machine learning (ML) methods have enabled many breakthroughs, they rely on the assumption that the…

机器学习 · 统计学 2022-09-16 Lingxiao Yuan , Harold S. Park , Emma Lejeune

Out-of-distribution (OOD) detection is crucial for deploying robust machine learning models, especially in areas where security is critical. However, traditional OOD detection methods often fail to capture complex data distributions from…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Armando Zhu , Jiabei Liu , Keqin Li , Shuying Dai , Bo Hong , Peng Zhao , Changsong Wei

This paper reviews machine learning applications and approaches to detection, classification and control of intelligent materials and structures with embedded distributed computation elements. The purpose of this survey is to identify…

机器学习 · 计算机科学 2016-06-14 Dana Hughes , Nikolaus Correll

This tutorial provides a comprehensive survey of methods for fine-tuning diffusion models to optimize downstream reward functions. While diffusion models are widely known to provide excellent generative modeling capability, practical…

机器学习 · 计算机科学 2024-07-19 Masatoshi Uehara , Yulai Zhao , Tommaso Biancalani , Sergey Levine

Microwave Tomography (MWT) aims to reconstruct the dielectric properties of tissues from measured scattered electromagnetic fields. This inverse problem is highly nonlinear and ill-posed, posing significant challenges for conventional…

图像与视频处理 · 电气工程与系统科学 2026-02-25 Bowen Tong , Hao Chen , Shaorui Guo , Dong Liu

The conventional evaluation protocols on machine learning models rely heavily on a labeled, i.i.d-assumed testing dataset, which is not often present in real world applications. The Automated Model Evaluation (AutoEval) shows an alternative…

机器学习 · 计算机科学 2024-03-18 Ru Peng , Heming Zou , Haobo Wang , Yawen Zeng , Zenan Huang , Junbo Zhao

Shear wave elastography involves applying a non-invasive acoustic radiation force to the tissue and imaging the induced deformation to infer its mechanical properties. This work investigates the use of convolutional neural networks to…

图像与视频处理 · 电气工程与系统科学 2024-04-29 Remi Delaunay , Yipeng Hu , Tom Vercauteren

Out-of-distribution (OOD) detection is critical for ensuring the reliability of deep learning systems, particularly in safety-critical applications. Likelihood-based deep generative models have historically faced criticism for their…

Data is the cornerstone of deep learning. This paper reveals that the recently developed Diffusion Model is a scalable data engine for object detection. Existing methods for scaling up detection-oriented data often require manual collection…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Manlin Zhang , Jie Wu , Yuxi Ren , Ming Li , Jie Qin , Xuefeng Xiao , Wei Liu , Rui Wang , Min Zheng , Andy J. Ma

Reinforcement learning (RL) algorithms have been used recently to align diffusion models with downstream objectives such as aesthetic quality and text-image consistency by fine-tuning them to maximize a single reward function under a fixed…

人工智能 · 计算机科学 2026-03-13 Min Cheng , Fatemeh Doudi , Dileep Kalathil , Mohammad Ghavamzadeh , Panganamala R. Kumar

Machine learning (ML) models are increasingly deployed for virtual screening in drug discovery, where the goal is to identify novel, chemically diverse scaffolds while minimizing experimental costs. This creates a fundamental challenge: the…

Ultrasound imaging, despite its widespread use in medicine, often suffers from various sources of noise and artifacts that impact the signal-to-noise ratio and overall image quality. Enhancing ultrasound images requires a delicate balance…

计算机视觉与模式识别 · 计算机科学 2024-09-18 Yuxin Zhang , Clément Huneau , Jérôme Idier , Diana Mateus

Removing the shape noise from the observed weak lensing field, i.e., denoising, enhances the potential of WL by accessing information at small scales where the shape noise dominates without denoising. We utilise two machine learning (ML)…

宇宙学与河外天体物理 · 物理学 2026-05-13 Shohei D. Aoyama , Ken Osato , Masato Shirasaki

We study the problem of Out-of-Distribution (OOD) detection, that is, detecting whether a learning algorithm's output can be trusted at inference time. While a number of tests for OOD detection have been proposed in prior work, a formal…

机器学习 · 统计学 2023-09-19 Akshayaa Magesh , Venugopal V. Veeravalli , Anirban Roy , Susmit Jha

Deep generative models have been demonstrated as problematic in the unsupervised out-of-distribution (OOD) detection task, where they tend to assign higher likelihoods to OOD samples. Previous studies on this issue are usually not…

机器学习 · 计算机科学 2024-01-04 Zezhen Zeng , Bin Liu

Since 2006, deep learning (DL) has become a rapidly growing research direction, redefining state-of-the-art performances in a wide range of areas such as object recognition, image segmentation, speech recognition and machine translation. In…

机器学习 · 计算机科学 2016-12-23 Rui Zhao , Ruqiang Yan , Zhenghua Chen , Kezhi Mao , Peng Wang , Robert X. Gao

Deep learning (DL) methods typically require large datasets to effectively learn data distributions. However, in the medical field, data is often limited in quantity, and acquiring labeled data can be costly. To mitigate this data scarcity,…

图像与视频处理 · 电气工程与系统科学 2024-07-09 Marina Domínguez , Yordanka Velikova , Nassir Navab , Mohammad Farid Azampour