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Pedestrian detection in a crowd is a challenging task due to a high number of mutually-occluding human instances, which brings ambiguity and optimization difficulties to the current IoU-based ground truth assignment procedure in classical…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Yuang Zhang , Huanyu He , Jianguo Li , Yuxi Li , John See , Weiyao Lin

To plan safe trajectories in urban environments, autonomous vehicles must be able to quickly assess the future intentions of dynamic agents. Pedestrians are particularly challenging to model, as their motion patterns are often uncertain…

机器人学 · 计算机科学 2014-05-23 Sarah Ferguson , Brandon Luders , Robert C. Grande , Jonathan P. How

Ordinary differential equations (ODE) have been widely used for modeling dynamical complex systems. For high-dimensional ODE models where the number of differential equations is large, it remains challenging to estimate the ODE parameters…

统计方法学 · 统计学 2022-06-20 Muye Nanshan , Nan Zhang , Xiaolei Xun , Jiguo Cao

Mapping people dynamics is a crucial skill for robots, because it enables them to coexist in human-inhabited environments. However, learning a model of people dynamics is a time consuming process which requires observation of large amount…

机器人学 · 计算机科学 2025-01-09 Francesco Verdoja , Tomasz Piotr Kucner , Ville Kyrki

Predicting pedestrian crossing intention is an indispensable aspect of deploying advanced driving systems (ADS) or advanced driver-assistance systems (ADAS) to real life. State-of-the-art methods in predicting pedestrian crossing intention…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Zhuoran Zeng

A kind of fluid dynamic description for the collective movement of pedestrians is developed on the basis of a Boltzmann-like gaskinetic model. The differences between these pedestrian specific equations and those for ordinary fluids are…

统计力学 · 物理学 2007-05-23 Dirk Helbing

Modeling the dynamics of people walking is a problem of long-standing interest in computer vision. Many previous works involving pedestrian trajectory prediction define a particular set of individual actions to implicitly model group…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Inhwan Bae , Jin-Hwi Park , Hae-Gon Jeon

This paper focuses on the problem of decentralized pedestrian tracking using a sensor network. Traditional works on pedestrian tracking usually use a centralized framework, which becomes less practical for robotic applications due to…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Vikram Shree , Carlos Diaz-Ruiz , Chang Liu , Bharath Hariharan , Mark Campbell

Accurate maps are a prerequisite for virtually all mobile robot tasks. Most state-of-the-art maps assume a static world; therefore, dynamic objects are filtered out of the measurements. However, this division ignores movable but non-moving…

机器人学 · 计算机科学 2025-01-09 Matti Pekkanen , Francesco Verdoja , Ville Kyrki

We study the problem of computing public transit traffic assignments in a multi-modal setting: Given a public transit timetable, an additional unrestricted transfer mode (in our case walking), and a set of origin-destination pairs, we aim…

数据结构与算法 · 计算机科学 2019-09-19 Jonas Sauer , Dorothea Wagner , Tobias Zündorf

It is challenging for a mobile robot to navigate through human crowds. Existing approaches usually assume that pedestrians follow a predefined collision avoidance strategy, like social force model (SFM) or optimal reciprocal collision…

机器人学 · 计算机科学 2021-09-07 Shunyi Yao1 , Guangda Chen , Quecheng Qiu , Jun Ma , Xiaoping Chen , Jianmin Ji

This paper presents an event-driven way finding algorithm for pedestrians in an evacuation scenario, which operates on a graph-based structure. The motivation of each pedestrian is to leave the facility. The events used to redirect…

其他计算机科学 · 计算机科学 2011-03-22 A. U. Kemloh Wagoum , A. Seyfried , S. Holl

Understanding pedestrian dynamics is crucial for appropriately designing pedestrian spaces. The pedestrian fundamental diagram (FD), which describes the relationship between pedestrian flow and density within a given space, characterizes…

适应与自组织系统 · 物理学 2024-08-27 Kota Nagasaki , Keiichiro Fujiya , Toru Seo

One of the objectives of the pedestrian analysis is to evaluate the effects of proposed policy on the pedestrian facilities before its implementation. The implementation of a policy without pedestrian analysis might lead to a very costly…

物理与社会 · 物理学 2016-10-05 Kardi Teknomo , Yasushi Takeyama , Hajime Inamura

Pedestrians adjust both speed and stride length when they navigate difficult situations such as tight corners or dense crowds. They try to avoid collisions and to preserve their personal space. State-of-the-art pedestrian motion models…

物理与社会 · 物理学 2015-03-03 Isabella von Sivers , Gerta Köster

With the development of embodied artificial intelligence, robotic research has increasingly focused on complex tasks. Existing simulation platforms, however, are often limited to idealized environments, simple task scenarios and lack data…

机器人学 · 计算机科学 2025-04-29 Zijie Zheng , Zeshun Li , Yunpeng Wang , Qinghongbing Xie , Long Zeng

Autonomous vehicles (AVs) must share space with pedestrians, both in carriageway cases such as cars at pedestrian crossings and off-carriageway cases such as delivery vehicles navigating through crowds on pedestrianized high-streets. Unlike…

Prediction of human motions is key for safe navigation of autonomous robots among humans. In cluttered environments, several motion hypotheses may exist for a pedestrian, due to its interactions with the environment and other pedestrians.…

机器人学 · 计算机科学 2020-11-17 Bruno Brito , Hai Zhu , Wei Pan , Javier Alonso-Mora

We propose a hierarchy of kinetic and macroscopic models for a system consisting of a large number of interacting pedestrians. The basic interaction rules are derived from earlier work where the dangerousness level of an interaction with…

数学物理 · 物理学 2017-09-20 Pierre Degond , Cécile Appert-Rolland , Julien Pettré , Guy Theraulaz

We suggest a universal map capable to recover a behavior of a wide range of dynamical systems given by ODEs. The map is built as an artificial neural network whose weights encode a modeled system. We assume that ODEs are known and prepare…

无序系统与神经网络 · 物理学 2023-05-02 Pavel V. Kuptsov , Anna V. Kuptsova , Nataliya V. Stankevich