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Transverse position reconstruction in a Time Projection Chamber (TPC) is crucial for accurate particle tracking and classification, and is typically accomplished using machine learning techniques. However, these methods often exhibit biases…

高能物理 - 实验 · 物理学 2025-10-29 Xiaoran Guo , Fei Gao , Kaihang Li , Qing Lin , Jiajun Liu , Lijun Tong , Xiang Xiao , Lingfeng Xie , Yifei Zhao

Numerical weather forecasting using high-resolution physical models often requires extensive computational resources on supercomputers, which diminishes their wide usage in most real-life applications. As a remedy, applying deep learning…

机器学习 · 计算机科学 2023-10-06 Selim Furkan Tekin , Arda Fazla , Suleyman Serdar Kozat

We introduce the Temporal Contrastive Transformer (TCT), a representation learning framework designed to capture contextual temporal dynamics in sequences of financial transactions. The model is trained using a self-supervised contrastive…

机器学习 · 计算机科学 2026-05-22 Danny Butvinik , Yonit Marcus , Nitzan Tal , Gabrielle Azoulay

Graphs are a commonly used construct for representing relationships between elements in complex high dimensional datasets. Many real-world phenomenon are dynamic in nature, meaning that any graph used to represent them is inherently…

社会与信息网络 · 计算机科学 2018-11-21 Stephen Bonner , John Brennan , Ibad Kureshi , Georgios Theodoropoulos , Andrew Stephen McGough , Boguslaw Obara

World models constitute a promising approach for training reinforcement learning agents in a safe and sample-efficient manner. Recent world models predominantly operate on sequences of discrete latent variables to model environment…

机器学习 · 计算机科学 2024-10-31 Eloi Alonso , Adam Jelley , Vincent Micheli , Anssi Kanervisto , Amos Storkey , Tim Pearce , François Fleuret

Reinforcement learning systems require good representations to work well. For decades practical success in reinforcement learning was limited to small domains. Deep reinforcement learning systems, on the other hand, are scalable, not…

机器学习 · 计算机科学 2020-03-18 Sina Ghiassian , Banafsheh Rafiee , Yat Long Lo , Adam White

Training robot policies within a learned world model is trending due to the inefficiency of real-world interactions. The established image-based world models and policies have shown prior success, but lack robust geometric information that…

机器人学 · 计算机科学 2025-09-18 Guanxing Lu , Baoxiong Jia , Puhao Li , Yixin Chen , Ziwei Wang , Yansong Tang , Siyuan Huang

Recent advances in reinforcement learning have demonstrated its ability to solve hard agent-environment interaction tasks on a super-human level. However, the application of reinforcement learning methods to practical and real-world tasks…

人工智能 · 计算机科学 2021-12-03 Oleg Svidchenko , Aleksei Shpilman

This paper investigates training better visual world models for robot manipulation, i.e., models that can predict future visual observations by conditioning on past frames and robot actions. Specifically, we consider world models that…

机器人学 · 计算机科学 2025-05-16 Jun Guo , Xiaojian Ma , Yikai Wang , Min Yang , Huaping Liu , Qing Li

Large language models are capable of in-context learning, the ability to perform new tasks at test time using a handful of input-output examples, without parameter updates. We develop a universal approximation theory to elucidate how…

机器学习 · 计算机科学 2025-08-29 Gen Li , Yuchen Jiao , Yu Huang , Yuting Wei , Yuxin Chen

Recently, several types of end-to-end speech recognition methods named transformer-transducer were introduced. According to those kinds of methods, transcription networks are generally modeled by transformer-based neural networks, while…

机器学习 · 计算机科学 2020-11-03 Jae-Jin Jeon , Eesung Kim

World models have been emerging as critical components for assessing the consequences of actions generated by interactive agents in online planning and offline evaluation. In text-based environments, world models are typically evaluated and…

We propose a unified object-aware temporal learning framework for multi-view 3D detection and tracking tasks. Having observed that the efficacy of the temporal fusion strategy in recent multi-view perception methods may be weakened by…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Mingzhe Guo , Zhipeng Zhang , Liping Jing , Yuan He , Ke Wang , Heng Fan

We present a study on the efficacy of adversarial training on transformer neural network models, with respect to the task of detecting check-worthy claims. In this work, we introduce the first adversarially-regularized, transformer-based…

计算与语言 · 计算机科学 2020-05-22 Kevin Meng , Damian Jimenez , Fatma Arslan , Jacob Daniel Devasier , Daniel Obembe , Chengkai Li

Training deep learning models takes an extremely long execution time and consumes large amounts of computing resources. At the same time, recent research proposed systems and compilers that are expected to decrease deep learning models…

机器学习 · 计算机科学 2022-05-11 Sean Parker , Sami Alabed , Eiko Yoneki

The Vision Transformer architecture has shown to be competitive in the computer vision (CV) space where it has dethroned convolution-based networks in several benchmarks. Nevertheless, convolutional neural networks (CNN) remain the…

机器学习 · 计算机科学 2023-07-20 Manuel Goulão , Arlindo L. Oliveira

Mainstream 3D representation learning approaches are built upon contrastive or generative modeling pretext tasks, where great improvements in performance on various downstream tasks have been achieved. However, we find these two paradigms…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Zekun Qi , Runpei Dong , Guofan Fan , Zheng Ge , Xiangyu Zhang , Kaisheng Ma , Li Yi

World models have been developed to support sample-efficient deep reinforcement learning agents. However, it remains challenging for world models to accurately replicate environments that are high-dimensional, non-stationary, and composed…

机器学习 · 计算机科学 2026-03-31 Yosuke Nishimoto , Takashi Matsubara

Deploying learned control policies in real-world environments poses a fundamental challenge. When system dynamics change unexpectedly, performance degrades until models are retrained on new data. We introduce Reflexive World Models (RWM), a…

机器学习 · 计算机科学 2025-05-22 Carlos Stein Brito , Daniel McNamee

RNN-T models have gained popularity in the literature and in commercial systems because of their competitiveness and capability of operating in online streaming mode. In this work, we conduct an extensive study comparing several prediction…

音频与语音处理 · 电气工程与系统科学 2022-06-30 Dario Albesano , Jesús Andrés-Ferrer , Nicola Ferri , Puming Zhan