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In vehicle trajectory prediction, physics models and data-driven models are two predominant methodologies. However, each approach presents its own set of challenges: physics models fall short in predictability, while data-driven models lack…

Machine Learning · Computer Science 2024-03-22 Keke Long , Zihao Sheng , Haotian Shi , Xiaopeng Li , Sikai Chen , Sue Ahn

Prompt learning is an effective method to customize Vision-Language Models (VLMs) for various downstream tasks, involving tuning very few parameters of input prompt tokens. Recently, prompt pretraining in large-scale dataset (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Zhenyuan Chen , Lingfeng Yang , Shuo Chen , Zhaowei Chen , Jiajun Liang , Xiang Li

Trajectory prediction is crucial for autonomous vehicles. The planning system not only needs to know the current state of the surrounding objects but also their possible states in the future. As for vehicles, their trajectories are…

Robotics · Computer Science 2020-07-07 Chenxu Luo , Lin Sun , Dariush Dabiri , Alan Yuille

Preference-based Reinforcement Learning (PbRL) provides a way to learn high-performance policies in environments where the reward signal is hard to specify, avoiding heuristic and time-consuming reward design. However, PbRL can suffer from…

Machine Learning · Computer Science 2025-07-02 Chenyang Cao , Miguel Rogel-García , Mohamed Nabail , Xueqian Wang , Nicholas Rhinehart

Self-driving vehicles plan around both static and dynamic objects, applying predictive models of behavior to estimate future locations of the objects in the environment. However, future behavior is inherently uncertain, and models of motion…

Computer Vision and Pattern Recognition · Computer Science 2019-10-18 Ajay Jain , Sergio Casas , Renjie Liao , Yuwen Xiong , Song Feng , Sean Segal , Raquel Urtasun

Joint pedestrian trajectory prediction has long grappled with the inherent unpredictability of human behaviors. Recent investigations employing variants of conditional diffusion models in trajectory prediction have exhibited notable…

Robotics · Computer Science 2024-09-05 Haotian Lin , Yixiao Wang , Mingxiao Huo , Chensheng Peng , Zhiyuan Liu , Masayoshi Tomizuka

In this paper, we propose an efficient vehicle trajectory prediction framework based on recurrent neural network. Basically, the characteristic of the vehicle's trajectory is different from that of regular moving objects since it is…

Machine Learning · Computer Science 2017-09-04 ByeoungDo Kim , Chang Mook Kang , Seung Hi Lee , Hyunmin Chae , Jaekyum Kim , Chung Choo Chung , Jun Won Choi

In recent years, data-driven reinforcement learning (RL), also known as offline RL, have gained significant attention. However, the role of data sampling techniques in offline RL has been overlooked despite its potential to enhance online…

Machine Learning · Computer Science 2025-03-24 Jinyi Liu , Yi Ma , Jianye Hao , Yujing Hu , Yan Zheng , Tangjie Lv , Changjie Fan

Safe motion planning in uncertain, time-varying environments is challenging because the safe region can change unpredictably across planning steps, often causing a loss of recursive feasibility. In this work, we present a Probabilistic…

Systems and Control · Electrical Eng. & Systems 2026-05-20 Hyeontae Sung , Hyeongchan Ham , Junyoung Park , Kai Ren , Heejin Ahn

Static stochastic VRPs aim at modeling real-life VRPs by considering uncertainty on data. In particular, the SS-VRPTW-CR considers stochastic customers with time windows and does not make any assumption on their reveal times, which are…

Artificial Intelligence · Computer Science 2019-02-12 Michael Saint-Guillain , Christine Solnon , Yves Deville

Accurate trajectory prediction is crucial for safe and efficient autonomous driving, but handling partial observations presents significant challenges. To address this, we propose a novel trajectory prediction framework called Partial…

Robotics · Computer Science 2024-04-08 Sheng Wang , Yingbing Chen , Jie Cheng , Xiaodong Mei , Ren Xin , Yongkang Song , Ming Liu

Consistency of the predictions with respect to the physical forward model is pivotal for reliably solving inverse problems. This consistency is mostly un-controlled in the current end-to-end deep learning methodologies proposed for the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-07 Dongdong Chen , Mike E. Davies , Mohammad Golbabaee

Trajectory prediction is essential for the safety and efficiency of planning in autonomous vehicles. However, current models often fail to fully capture complex traffic rules and the complete range of potential vehicle movements. Addressing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Ahmad Rahimi , Alexandre Alahi

Accurate forecasting of residual Physical Resource Blocks (PRBs) is critical for proactive network slice provisioning, energy-efficient operation, and spectrum-aware decision making in cellular systems, where residual PRBs serve as a…

Machine Learning · Computer Science 2026-05-18 Saad Masrur , Yuxuan Jiang , Matti Hiltunen , Ajay Rajkumar , Ismail Guvenc

In this paper, we propose a reinforcement learning-based algorithm for trajectory optimization for constrained dynamical systems. This problem is motivated by the fact that for most robotic systems, the dynamics may not always be known.…

Machine Learning · Statistics 2020-03-05 Kei Ota , Devesh K. Jha , Tomoaki Oiki , Mamoru Miura , Takashi Nammoto , Daniel Nikovski , Toshisada Mariyama

Adverse weather removal (AWR) in real-world images remains challenging due to heterogeneous and unseen degradations, while distortion-driven training often yields overly smooth results. We propose PVRF, a unified framework that integrates…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Wei Dong , Han Zhou , Terry Ji , Guanhua Zhao , Shahab Asoodeh , Yulun Zhang , Guangtao Zhai , Jun Chen , Xiaohong Liu

Planning safe trajectories under uncertain and dynamic conditions makes the autonomous driving problem significantly complex. Current sampling-based methods such as Rapidly Exploring Random Trees (RRTs) are not ideal for this problem…

Robotics · Computer Science 2020-11-11 Kaleb Ben Naveed , Zhiqian Qiao , John M. Dolan

Pseudo-relevance feedback (PRF) can enhance average retrieval effectiveness over a sufficiently large number of queries. However, PRF often introduces a drift into the original information need, thus hurting the retrieval effectiveness of…

Information Retrieval · Computer Science 2024-01-23 Suchana Datta , Debasis Ganguly , Sean MacAvaney , Derek Greene

The need to recognise long-term dependencies in sequential data such as video streams has made Long Short-Term Memory (LSTM) networks a prominent Artificial Intelligence model for many emerging applications. However, the high computational…

Signal Processing · Electrical Eng. & Systems 2019-10-31 Alexandros Kouris , Stylianos I. Venieris , Michail Rizakis , Christos-Savvas Bouganis

Real-world trajectories are often sparse with low-sampling rates (i.e., long intervals between consecutive GPS points) and misaligned with road networks, yet many applications demand high-quality data for optimal performance. To improve…

Databases · Computer Science 2025-08-15 Wei Tian , Jieming Shi , Man Lung Yiu