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Current reinforcement learning algorithms train an agent using forward-generated trajectories, which provide little guidance so that the agent can explore as much as possible. While realizing the value of reinforcement learning results from…

人工智能 · 计算机科学 2023-09-06 KyungMin Ko

Trajectory prediction aims to estimate an entity's future path using its current position and historical movement data, benefiting fields like autonomous navigation, robotics, and human movement analytics. Deep learning approaches have…

机器学习 · 计算机科学 2025-04-08 Amirhossein Nadiri , Jing Li , Ali Faraji , Ghadeer Abuoda , Manos Papagelis

Recent research studies revealed that neural networks are vulnerable to adversarial attacks. State-of-the-art defensive techniques add various adversarial examples in training to improve models' adversarial robustness. However, these…

机器学习 · 计算机科学 2019-09-13 Chang Song , Zuoguan Wang , Hai Li

Recently, the reciprocal recommendation, especially for online dating applications, has attracted more and more research attention. Different from conventional recommendation problems, the reciprocal recommendation aims to simultaneously…

信息检索 · 计算机科学 2020-11-26 Linhao Luo , Liqi Yang , Ju Xin , Yixiang Fang , Xiaofeng Zhang , Xiaofei Yang , Kai Chen , Zhiyuan Zhang , Kai Liu

Human motion prediction and understanding is a challenging problem. Due to the complex dynamic of human motion and the non-deterministic aspect of future prediction. We propose a novel sequence-to-sequence model for human motion prediction…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Emad Barsoum , John Kender , Zicheng Liu

Trajectory prediction is a fundamental and challenging task for numerous applications, such as autonomous driving and intelligent robots. Currently, most of existing work treat the pedestrian trajectory as a series of fixed two-dimensional…

计算机视觉与模式识别 · 计算机科学 2021-03-17 Pei Lv , Hui Wei , Tianxin Gu , Yuzhen Zhang , Xiaoheng Jiang , Bing Zhou , Mingliang Xu

Human motion prediction aims to predict future 3D skeletal sequences by giving a limited human motion as inputs. Two popular methods, recurrent neural networks and feed-forward deep networks, are able to predict rough motion trend, but…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Xianjin Chao , Yanrui Bin , Wenqing Chu , Xuan Cao , Yanhao Ge , Chengjie Wang , Jilin Li , Feiyue Huang , Howard Leung

In this work we address supervised learning of neural networks via lifted network formulations. Lifted networks are interesting because they allow training on massively parallel hardware and assign energy models to discriminatively trained…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Christopher Zach , Virginia Estellers

Road network and trajectory representation learning are essential for traffic systems since the learned representation can be directly used in various downstream tasks (e.g., traffic speed inference, and travel time estimation). However,…

机器学习 · 计算机科学 2023-02-14 Zhenyu Mao , Ziyue Li , Dedong Li , Lei Bai , Rui Zhao

The prediction of humans' short-term trajectories has advanced significantly with the use of powerful sequential modeling and rich environment feature extraction. However, long-term prediction is still a major challenge for the current…

计算机视觉与模式识别 · 计算机科学 2020-11-09 Hung Tran , Vuong Le , Truyen Tran

Although backpropagation is widely accepted as a training algorithm for artificial neural networks, researchers are always looking for inspiration from the brain to find ways with potentially better performance. Forward-Forward is a novel…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Hossein Aghagolzadeh , Mehdi Ezoji

Bridging the past to the future, connecting agents both spatially and temporally, lies at the core of the trajectory prediction task. Despite great efforts, it remains challenging to explicitly learn and predict latencies, i.e., response…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Conghao Wong , Ziqian Zou , Beihao Xia , Xinge You

Learning from human feedback has gained traction in fields like robotics and natural language processing in recent years. While prior works mostly rely on human feedback in the form of comparisons, language is a preferable modality that…

机器人学 · 计算机科学 2024-10-10 Zhaojing Yang , Miru Jun , Jeremy Tien , Stuart J. Russell , Anca Dragan , Erdem Bıyık

Human motion prediction is an increasingly interesting topic in computer vision and robotics. In this paper, we propose a new 2D CNN based network, TrajectoryNet, to predict future poses in the trajectory space. Compared with most existing…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Xiaoli Liu , Jianqin Yin , Jin Liu , Pengxiang Ding , Jun Liu , Huaping Liu

Reinforcement Learning from Human Feedback (RLHF) has emerged as a powerful approach for aligning generative models, but its reliance on learned reward models makes it vulnerable to mis-specification and reward hacking. Preference-based…

机器学习 · 计算机科学 2026-04-23 Akhil Agnihotri , Rahul Jain , Deepak Ramachandran , Zheng Wen

All types of networks arise as intricate combinations of dyadic building blocks formed by pairs of vertices. In directed networks, the dyadic patterns are entirely determined by reciprocity, i.e. the tendency to form, or to avoid, mutual…

数据分析、统计与概率 · 物理学 2014-01-14 Tiziano Squartini , Francesco Picciolo , Franco Ruzzenenti , Diego Garlaschelli

Direct reciprocity is a mechanism for the evolution of cooperation in repeated social interactions. According to this literature, individuals naturally learn to adopt conditionally cooperative strategies if they have multiple encounters…

物理与社会 · 物理学 2023-11-07 Nikoleta E. Glynatsi , Alex McAvoy , Christian Hilbe

Trajectory prediction has been widely pursued in many fields, and many model-based and model-free methods have been explored. The former include rule-based, geometric or optimization-based models, and the latter are mainly comprised of deep…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Jiangbei Yue , Dinesh Manocha , He Wang

The fitness landscape metaphor plays a central role on the modeling of optimizing principles in many research fields, ranging from evolutionary biology, where it was first introduced, to management research. Here we consider the ensemble of…

种群与进化 · 定量生物学 2019-01-30 Paulo R. A. Campos , José F. Fontanari

This work addresses the problem of predicting the motion trajectories of dynamic objects in the environment. Recent advances in predicting motion patterns often rely on machine learning techniques to extrapolate motion patterns from…

机器人学 · 计算机科学 2021-07-12 Weiming Zhi , Lionel Ott , Fabio Ramos