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Traffic flow forecasting is a crucial task in transportation management and planning. The main challenges for traffic flow forecasting are that (1) as the length of prediction time increases, the accuracy of prediction will decrease; (2)…

人工智能 · 计算机科学 2024-05-13 Jianli Xiao , Baichao Long

Accurate prediction of intersection turning movements is essential for adaptive signal control but remains difficult due to the high volatility of directional flows. This study proposes HFD-TM (Hierarchical Flow-Decomposition for Turning…

机器学习 · 计算机科学 2026-04-13 Md Atiqur Rahman Mallick , Kamrul Hasan , Pulock Das , Liang Hong , S M Shazzad Rassel

In this paper, we propose a spatio-temporal contextual network, STC-Flow, for optical flow estimation. Unlike previous optical flow estimation approaches with local pyramid feature extraction and multi-level correlation, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xiaolin Song , Yuyang Zhao , Jingyu Yang

Optimal decision-making compels us to anticipate the future at different horizons. However, in many domains connecting together predictions from multiple time horizons and abstractions levels across their organization becomes all the more…

机器学习 · 计算机科学 2023-07-06 Julien Leprince , Henrik Madsen , Jan Kloppenborg Møller , Wim Zeiler

This paper presents two variations of a novel stochastic prediction algorithm that enables mobile robots to accurately and robustly predict the future state of complex dynamic scenes. The proposed algorithm uses a variational autoencoder to…

机器人学 · 计算机科学 2023-10-17 Zhanteng Xie , Philip Dames

This paper introduces a novel architecture for trajectory-conditioned forecasting of future 3D scene occupancy. In contrast to methods that rely on variational autoencoders (VAEs) to generate discrete occupancy tokens, which inherently…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Jiayuan Du , Yiming Zhao , Zhenglong Guo , Yong Pan , Wenbo Hou , Zhihui Hao , Kun Zhan , Qijun Chen

Endowing visual agents with predictive capability is a key step towards video intelligence at scale. The predominant modeling paradigm for this is sequence learning, mostly implemented through LSTMs. Feed-forward Transformer architectures…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Tsung-Ming Tai , Giuseppe Fiameni , Cheng-Kuang Lee , Oswald Lanz

A new paradigm for large-scale spectrum occupancy learning based on long short-term memory (LSTM) recurrent neural networks is proposed. Studies have shown that spectrum usage is a highly correlated time series. Moreover, there is a…

信号处理 · 电气工程与系统科学 2019-05-14 Mohsen Joneidi , Ismail Alkhouri , Nazanin Rahnavard

Traffic forecasting has recently attracted increasing interest due to the popularity of online navigation services, ridesharing and smart city projects. Owing to the non-stationary nature of road traffic, forecasting accuracy is…

机器学习 · 计算机科学 2023-07-10 Rui Dai , Shenkun Xu , Qian Gu , Chenguang Ji , Kaikui Liu

For autonomous vehicles to proactively plan safe trajectories and make informed decisions, they must be able to predict the future occupancy states of the local environment. However, common issues with occupancy prediction include…

机器人学 · 计算机科学 2024-04-15 Maneekwan Toyungyernsub , Esen Yel , Jiachen Li , Mykel J. Kochenderfer

This paper proposes a novel machine-learning approach for predicting AC-OPF solutions that features a fast and scalable training. It is motivated by the two critical considerations: (1) the fact that topology optimization and the…

机器学习 · 计算机科学 2021-01-19 Minas Chatzos , Terrence W. K. Mak , Pascal Van Hentenryck

Predicting the future occupancy states of the surrounding environment is a vital task for autonomous driving. However, current best-performing single-modality methods or multi-modality fusion perception methods are only able to predict…

计算机视觉与模式识别 · 计算机科学 2024-06-12 Yining Shi , Kun Jiang , Ke Wang , Jiusi Li , Yunlong Wang , Mengmeng Yang , Diange Yang

To achieve scenario intelligence, humans must transfer knowledge to robots by developing goal-oriented algorithms, which are sometimes insensitive to dynamically changing environments. While deep reinforcement learning achieves significant…

人工智能 · 计算机科学 2018-07-31 Tingguang Li , Jin Pan , Delong Zhu , Max Q. -H. Meng

Mobile manipulators are envisioned to serve more complex roles in people's everyday lives. With recent breakthroughs in large language models, task planners have become better at translating human verbal instructions into a sequence of…

机器人学 · 计算机科学 2026-03-12 Xintong Du , Siqi Zhou , Angela P. Schoellig

The presented study elaborates a multi-server priority queueing model considering the pre-emptive repeat policy and phase-type distribution (PH) for retrial process. The incoming heterogeneous calls are categorized as handoff calls and new…

最优化与控制 · 数学 2021-08-03 Raina Raj , Vidyottama Jain

Despite the recent successes of multi-agent reinforcement learning (MARL) algorithms, efficiently adapting to co-players in mixed-motive environments remains a significant challenge. One feasible approach is to hierarchically model…

人工智能 · 计算机科学 2024-07-15 Yizhe Huang , Anji Liu , Fanqi Kong , Yaodong Yang , Song-Chun Zhu , Xue Feng

We present an autonomous exploration system for efficient coverage of unknown environments. First, a rapid environment preprocessing method is introduced to provide environmental information for subsequent exploration planning. Then, the…

机器人学 · 计算机科学 2025-04-04 Shijun Long , Ying Li , Chenming Wu , Bin Xu , Wei Fan

We address key challenges in long-horizon embodied exploration and navigation by proposing a new object transport task and a novel modular framework for temporally extended navigation. Our first contribution is the design of a novel…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Sriram Narayanan , Dinesh Jayaraman , Manmohan Chandraker

This paper proposes a low latency neural network architecture for event-based dense prediction tasks. Conventional architectures encode entire scene contents at a fixed rate regardless of their temporal characteristics. Instead, the…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Ryuhei Hamaguchi , Yasutaka Furukawa , Masaki Onishi , Ken Sakurada

One of the key challenges for autonomous vehicles is the ability to accurately predict the motion of other objects in the surrounding environment, such as pedestrians or other vehicles. In this contribution, a novel motion forecasting…

机器人学 · 计算机科学 2023-10-09 Kay Scheerer , Thomas Michalke , Juergen Mathes