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Fine-tuning diffusion policies with reinforcement learning (RL) presents significant challenges. The long denoising sequence for each action prediction impedes effective reward propagation. Moreover, standard RL methods require millions of…

A reliable action feasibility scorer is a critical bottleneck in embodied agent pipelines: before any planning or reasoning occurs, the agent must identify which candidate actions are physically executable in the current state. Existing…

Artificial Intelligence · Computer Science 2026-02-27 Chayan Banerjee

To control part quality, it is critical to analyze pore generation mechanisms, laying theoretical foundation for future porosity control. Current porosity analysis models use machine setting parameters, such as laser angle and part pose.…

Machine Learning · Computer Science 2021-01-15 Rui Liu , Sen Liu , Xiaoli Zhang

Unmanned aerial vehicles (UAVs) have emerged as powerful embodied agents. One of the core abilities is autonomous navigation in large-scale three-dimensional environments. Existing navigation policies, however, are typically optimized for…

Bag-of-Visual-Words (BoVW) approach has been widely used in the recent years for image classification purposes. However, the limitations regarding optimal feature selection, clustering technique, the lack of spatial organization of the data…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Dawood Al Chanti , Alice Caplier

World models of embodied agents predict future observations conditioned on an action taken by the agent. For complex embodiments, action spaces are high-dimensional and difficult to specify: for example, precisely controlling a human agent…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Alex N. Wang , Trevor Darrell , Pavel Izmailov , Yutong Bai , Amir Bar

The convergence of statistical learning and molecular physics is transforming our approach to modeling biomolecular systems. Physics-informed machine learning (PIML) offers a systematic framework that integrates data-driven inference with…

Biomolecules · Quantitative Biology 2025-11-11 Aaryesh Deshpande

Complex optimal design and control processes often require repeated evaluations of expensive objective functions and consist of large design spaces. Data-driven surrogates such as neural networks and Gaussian processes provide an attractive…

Computational Engineering, Finance, and Science · Computer Science 2023-07-10 Manaswin Oddiraju , Divyang Amin , Michael Piedmonte , Souma Chowdhury

In the field of autonomous driving and mobile robotics, there has been a significant shift in the methods used to create Bird's Eye View (BEV) representations. This shift is characterised by using transformers and learning to fuse…

Robotics · Computer Science 2024-10-29 Mehdi Hosseinzadeh , Ian Reid

Many physical systems are described by partial differential equations (PDEs), and solving these equations and estimating their coefficients or boundary conditions (BCs) from observational data play a crucial role in understanding the…

Machine Learning · Computer Science 2025-07-18 Tomohisa Okazaki

We review four types of algorithms for physics-informed machine learning (PIML) inversion of geophysical data. The unifying equation is given by the joint objective function $\epsilon$: \begin{eqnarray} \epsilon^{||-PIML}&=&\lambda_1…

Geophysics · Physics 2023-10-13 Gerard T. Schuster , Shihang Feng

Energy-based models (EBMs) exhibit a variety of desirable properties in predictive tasks, such as generality, simplicity and compositionality. However, training EBMs on high-dimensional datasets remains unstable and expensive. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Xiulong Yang , Shihao Ji

Salient Object Detection (SOD) with deep learning often requires substantial computational resources and large annotated datasets, making it impractical for resource-constrained applications. Lightweight models address computational demands…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Leonardo M. Joao , Jancarlo F. Gomes , Silvio J. F. Guimaraes , Ewa Kijak , Alexandre X. Falcao

Developing a generalized aerodynamics prediction machine learning model for finite wings with different airfoil sections is challenging due to the vast parameter space and a relative scarcity of available data. This paper presents the Large…

Fluid Dynamics · Physics 2025-08-19 Howon Lee , Pranay Seshadri , Juergen Rauleder

Learning predictive world models from raw visual observations is a central challenge in reinforcement learning (RL), especially for robotics and continuous control. Conventional model-based RL frameworks directly condition future…

Robotics · Computer Science 2026-03-13 Jseen Zhang , Gabriel Adineera , Jinzhou Tan , Jinoh Kim

Post-training is essential for turning pretrained generalist robot policies into reliable task-specific controllers, but existing human-in-the-loop pipelines remain tied to physical execution: each correction requires robot time, scene…

Robotics · Computer Science 2026-05-06 Yaxuan Li , Zhongyi Zhou , Yefei Chen , Yanjiang Guo , Jiaming Liu , Shanghang Zhang , Jianyu Chen , Yichen Zhu

Developing world models that understand complex physical interactions is essential for advancing robotic planning and simulation.However, existing methods often struggle to accurately model the environment under conditions of data scarcity…

Robotics · Computer Science 2026-02-12 Meizhong Wang , Wanxin Jin , Kun Cao , Lihua Xie , Yiguang Hong

The Driving World Model (DWM), which focuses on predicting scene evolution during the driving process, has emerged as a promising paradigm in the pursuit of autonomous driving (AD). DWMs enable AD systems to better perceive, understand, and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Sifan Tu , Xin Zhou , Dingkang Liang , Xingyu Jiang , Yumeng Zhang , Xiaofan Li , Xiang Bai

Place recognition is a key module for long-term SLAM systems. Current LiDAR-based place recognition methods usually use representations of point clouds such as unordered points or range images. These methods achieve high recall rates of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Lun Luo , Shuhang Zheng , Yixuan Li , Yongzhi Fan , Beinan Yu , Siyuan Cao , Huiliang Shen

World models learned from high-dimensional visual observations allow agents to make decisions and plan directly in latent space, avoiding pixel-level reconstruction. However, recent latent predictive architectures (JEPAs), including the…

Machine Learning · Computer Science 2026-02-25 Leonardo F. Toso , Davit Shadunts , Yunyang Lu , Nihal Sharma , Donglin Zhan , Nam H. Nguyen , James Anderson