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Modern optical flow methods make use of salient scene feature points detected and matched within the scene as a basis for sparse-to-dense optical flow estimation. Current feature detectors however either give sparse, non uniform point…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Felix Stephenson , Toby Breckon , Ioannis Katramados

Tracking congestion throughout the network road is a critical component of Intelligent transportation network management systems. Understanding how the traffic flows and short-term prediction of congestion occurrence due to rush-hour or…

机器学习 · 计算机科学 2017-07-27 Mohammadhani Fouladgar , Mostafa Parchami , Ramez Elmasri , Amir Ghaderi

Distribution system state estimation (DSSE) is an essential tool for operation of distribution networks, the results of which enables the operator to have a thorough observation of the system. Thus, most distribution management systems…

系统与控制 · 计算机科学 2015-04-15 Vahid Rasouli Disfani , Mohammad Chehreghani Bozchalui , Ratnesh Sharma

Graph generative models are essential across diverse scientific domains by capturing complex distributions over relational data. Among them, graph diffusion models achieve superior performance but face inefficient sampling and limited…

机器学习 · 计算机科学 2025-06-17 Yiming Qin , Manuel Madeira , Dorina Thanou , Pascal Frossard

We consider the following problem: a team of robots is deployed in an unknown environment and it has to collaboratively build a map of the area without a reliable infrastructure for communication. The backbone for modern mapping techniques…

机器人学 · 计算机科学 2017-02-14 Siddharth Choudhary , Luca Carlone , Carlos Nieto , John Rogers , Henrik I. Christensen , Frank Dellaert

The continuous advancement of autonomous driving (AD) introduces challenges across multiple disciplines to ensure safe and efficient driving. One such challenge is the generation of High-Definition (HD) maps, which must remain up to date…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Daniel Fritz , Dimitrios Lagamtzis , Michael Mink , Markus Enzweiler , Steffen Schober

Modeling how network-level traffic flow changes in the urban environment is useful for decision-making in transportation, public safety and urban planning. The traffic flow system can be viewed as a dynamic process that transits between…

机器学习 · 计算机科学 2022-11-22 Xiaoliang Lei , Hao Mei , Bin Shi , Hua Wei

Learning unknown stochastic differential equations (SDEs) from observed data is a significant and challenging task with applications in various fields. Current approaches often use neural networks to represent drift and diffusion functions,…

机器学习 · 计算机科学 2024-06-21 Aiqing Zhu , Qianxiao Li

Accurate vehicle type classification serves a significant role in the intelligent transportation system. It is critical for ruler to understand the road conditions and usually contributive for the traffic light control system to response…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Ruikang Luo , Yaofeng Song , Han Zhao , Yicheng Zhang , Yi Zhang , Nanbin Zhao , Liping Huang , Rong Su

Time-synchronized state estimation for reconfigurable distribution networks is challenging because of limited real-time observability. This paper addresses this challenge by formulating a deep learning (DL)-based approach for topology…

机器学习 · 计算机科学 2022-03-31 Behrouz Azimian , Reetam Sen Biswas , Shiva Moshtagh , Anamitra Pal , Lang Tong , Gautam Dasarathy

Accurate traffic flow prediction is essential for applications like transport logistics but remains challenging due to complex spatio-temporal correlations and non-linear traffic patterns. Existing methods often model spatial and temporal…

机器学习 · 计算机科学 2025-03-18 Jing Chen , Haocheng Ye , Zhian Ying , Yuntao Sun , Wenqiang Xu

Accurate short-term traffic prediction plays a pivotal role in various smart mobility operation and management systems. Currently, most of the state-of-the-art prediction models are based on graph neural networks (GNNs), and the required…

机器学习 · 计算机科学 2022-11-11 Mingxi Li , Yihong Tang , Wei Ma

Significant progress has been made in scene understanding which seeks to build 3D, metric and object-oriented representations of the world. Concurrently, reinforcement learning has made impressive strides largely enabled by advances in…

机器人学 · 计算机科学 2020-11-23 Zachary Ravichandran , J. Daniel Griffith , Benjamin Smith , Costas Frost

As the demand for enabling high-level autonomous driving has increased in recent years and visual perception is one of the critical features to enable fully autonomous driving, in this paper, we introduce an efficient approach for…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Liangfu Chen , Zeng Yang , Jianjun Ma , Zheng Luo

Traffic Matrix estimation has always caught attention from researchers for better network management and future planning. With the advent of high traffic loads due to Cloud Computing platforms and Software Defined Networking based tunable…

网络与互联网体系结构 · 计算机科学 2018-11-07 Sameer Qazi , Syed Muhammad Atif , Muhammad Bilal Kadri

In modern transportation systems, an enormous amount of traffic data is generated every day. This has led to rapid progress in short-term traffic prediction (STTP), in which deep learning methods have recently been applied. In traffic…

机器学习 · 计算机科学 2020-09-03 Kyungeun Lee , Moonjung Eo , Euna Jung , Yoonjin Yoon , Wonjong Rhee

Fiber optics is one of the highest bandwidth communication channel types in the current communication industry. The paper is to analyze a typical optical channel and perform channel equalization using an adaptive modified DFE with Activity…

其他计算机科学 · 计算机科学 2010-03-30 Tarek Hasan-Al-Mahmud , M. Mahbubur Rahman , Sumon Kumar Debnath

Finding frequently occurring subgraph patterns or network motifs in neural architectures is crucial for optimizing efficiency, accelerating design, and uncovering structural insights. However, as the subgraph size increases,…

机器学习 · 计算机科学 2026-02-04 Yikang Yang , Zhengxin Yang , Minghao Luo , Luzhou Peng , Hongxiao Li , Wanling Gao , Lei Wang , Jianfeng Zhan

Decentralized Federated Learning (DFL) enables collaborative model training without a central server but faces challenges in efficiency, stability, and trustworthiness due to communication and computational limitations among distributed…

机器学习 · 计算机科学 2025-03-18 Shan Sha , Shenglong Zhou , Lingchen Kong , Geoffrey Ye Li

A prominent paradigm for graph neural networks is based on the message-passing framework. In this framework, information communication is realized only between neighboring nodes. The challenge of approaches that use this paradigm is to…

机器学习 · 计算机科学 2023-09-18 Maysam Behmanesh , Maximilian Krahn , Maks Ovsjanikov