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Transferring knowledge across domains is one of the most fundamental problems in machine learning, but doing so effectively in the context of reinforcement learning remains largely an open problem. Current methods make strong assumptions on…

机器学习 · 计算机科学 2022-11-29 Abhi Gupta , Ted Moskovitz , David Alvarez-Melis , Aldo Pacchiano

Training deep neural networks (DNNs) is computationally expensive, which is problematic especially when performing duplicated or similar training runs in model ensemble or fine-tuning pre-trained models, for example. Once we have trained…

机器学习 · 计算机科学 2023-10-04 Daiki Chijiwa

The remarkable capability of Transformers to do reasoning and few-shot learning, without any fine-tuning, is widely conjectured to stem from their ability to implicitly simulate a multi-step algorithms -- such as gradient descent -- with…

机器学习 · 计算机科学 2024-10-14 Khashayar Gatmiry , Nikunj Saunshi , Sashank J. Reddi , Stefanie Jegelka , Sanjiv Kumar

Statistical tracking filters depend on accurate target measurements and uncertainty estimates for good tracking performance. In this work, we propose novel machine learning models for target detection and uncertainty estimation in…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Elizabeth Hou , Ross Greenwood , Piyush Kumar

Deep knowledge tracing models have achieved significant breakthroughs in modeling student learning trajectories. However, these architectures require substantial training time and are prone to overfitting on datasets with short sequences.…

机器学习 · 计算机科学 2026-04-28 Mounir Lbath , Alexandre Parésy , Abdelkayoum Kaddouri , Abdelrahman Zighem , Jill-Jênn Vie

Model-based control is a popular paradigm for robot navigation because it can leverage a known dynamics model to efficiently plan robust robot trajectories. However, it is challenging to use model-based methods in settings where the…

机器人学 · 计算机科学 2019-07-19 Somil Bansal , Varun Tolani , Saurabh Gupta , Jitendra Malik , Claire Tomlin

The performance of tracking algorithms strongly depends on the chosen model assumptions regarding the target dynamics. If there is a strong mismatch between the chosen model and the true object motion, the track quality may be poor or the…

机器学习 · 统计学 2024-10-15 Isabel Schlangen , André Brandenburger , Mengwei Sun , James R. Hopgood

Autonomous navigation in off-road conditions requires an accurate estimation of terrain traversability. However, traversability estimation in unstructured environments is subject to high uncertainty due to the variability of numerous…

机器人学 · 计算机科学 2024-03-06 Junwon Seo , Taekyung Kim , Seongyong Ahn , Kiho Kwak

Predicting where people can walk in a scene is important for many tasks, including autonomous driving systems and human behavior analysis. Yet learning a computational model for this purpose is challenging due to semantic ambiguity and a…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Jin Sun , Hadar Averbuch-Elor , Qianqian Wang , Noah Snavely

This paper proposes a deep learning-based beamforming design framework that directly maps a target beam pattern to optimal beamforming vectors across multiple antenna array architectures, including digital, analog, and hybrid beamforming.…

信号处理 · 电气工程与系统科学 2025-10-14 Hongpu Zhang , Shu Sun , Hangsong Yan , Jianhua Mo

Transformer-based diffusion models have demonstrated remarkable performance at generating high-quality samples. However, our theoretical understanding of the reasons for this success remains limited. For instance, existing models are…

机器学习 · 计算机科学 2026-04-14 Hongkang Li , Hancheng Min , Rene Vidal

Training networks to perform metric relocalization traditionally requires accurate image correspondences. In practice, these are obtained by restricting domain coverage, employing additional sensors, or capturing large multi-view datasets.…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Mike Kasper , Fernando Nobre , Christoffer Heckman , Nima Keivan

Transformer-based multi-object tracking (MOT) methods have captured the attention of many researchers in recent years. However, these models often suffer from slow inference speeds due to their structure or other issues. To address this…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Pan Liao , Feng Yang , Di Wu , Jinwen Yu , Wenhui Zhao , Dingwen Zhang

Transportation mode detection is an important topic within GeoAI and transportation research. In this study, we introduce SpeedTransformer, a novel Transformer-based model that relies solely on speed inputs to infer transportation modes…

机器学习 · 计算机科学 2026-03-19 Yuandong Zhang , Othmane Echchabi , Tianshu Feng , Wenyi Zhang , Hsuai-Kai Liao , Charles Chang

The global and local contexts significantly contribute to the integrity of predictions in Salient Object Detection (SOD). Unfortunately, existing methods still struggle to generate complete predictions with fine details. There are two major…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yi Ke Yun , Weisi Lin

Autonomous vehicles need to model the behavior of surrounding human driven vehicles to be safe and efficient traffic participants. Existing approaches to modeling human driving behavior have relied on both data-driven and rule-based…

机器人学 · 计算机科学 2021-08-31 Raunak Bhattacharyya , Soyeon Jung , Liam Kruse , Ransalu Senanayake , Mykel Kochenderfer

Evaluating lesion progression and treatment response via longitudinal lesion tracking plays a critical role in clinical practice. Automated approaches for this task are motivated by prohibitive labor costs and time consumption when lesion…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Wen Tang , Han Kang , Haoyue Zhang , Pengxin Yu , Corey W. Arnold , Rongguo Zhang

Knowledge representation is a major topic in AI, and many studies attempt to represent entities and relations of knowledge base in a continuous vector space. Among these attempts, translation-based methods build entity and relation vectors…

计算与语言 · 计算机科学 2015-09-29 Han Xiao , Minlie Huang , Yu Hao , Xiaoyan Zhu

This paper introduces a novel approach to urban pathfinding by transforming traditional heuristic-based algorithms into deep learning models that leverage real-time contextual data, such as traffic and weather conditions. We propose two…

人工智能 · 计算机科学 2024-11-26 Mohamed Hussein Abo El-Ela , Ali Hamdi Fergany

Tracking 3D objects accurately and consistently is crucial for autonomous vehicles, enabling more reliable downstream tasks such as trajectory prediction and motion planning. Based on the substantial progress in object detection in recent…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Shuxiao Ding , Eike Rehder , Lukas Schneider , Marius Cordts , Juergen Gall