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Related papers: Toward Crowd-Sensitive Path Planning

200 papers

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…

Robotics · Computer Science 2014-05-23 Sarah Ferguson , Brandon Luders , Robert C. Grande , Jonathan P. How

Path planning is a classic problem for autonomous robots. To ensure safe and efficient point-to-point navigation an appropriate algorithm should be chosen keeping the robot's dimensions and its classification in mind. Autonomous robots use…

Robotics · Computer Science 2023-05-01 Alka Choudhary

A widely accepted explanation for robots planning overcautious or overaggressive trajectories alongside human is that the crowd density exceeds a threshold such that all feasible trajectories are considered unsafe -- the freezing robot…

Robotics · Computer Science 2024-03-05 Muchen Sun , Peter Trautman , Todd Murphey

Sociability is essential for modern robots to increase their acceptability in human environments. Traditional techniques use manually engineered utility functions inspired by observing pedestrian behaviors to achieve social navigation.…

Robotics · Computer Science 2023-04-26 Yigit Yildirim , Emre Ugur

Accurately estimating the number of objects in a single image is a challenging yet meaningful task and has been applied in many applications such as urban planning and public safety. In the various object counting tasks, crowd counting is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Guangshuai Gao , Junyu Gao , Qingjie Liu , Qi Wang , Yunhong Wang

State-of-the-art multi-object tracking~(MOT) methods follow the tracking-by-detection paradigm, where object trajectories are obtained by associating per-frame outputs of object detectors. In crowded scenes, however, detectors often fail to…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Weihong Ren , Xinchao Wang , Jiandong Tian , Yandong Tang , Antoni B. Chan

The rapid development in visual crowd analysis shows a trend to count people by positioning or even detecting, rather than simply summing a density map. It also enlightens us back to the essence of the field, detection to count, which can…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Qi wang , Tao Han , Junyu Gao , Yuan Yuan , Xuelong Li

Occlusions, complex backgrounds, scale variations and non-uniform distributions present great challenges for crowd counting in practical applications. In this paper, we propose a novel method using an attention model to exploit head…

Computer Vision and Pattern Recognition · Computer Science 2018-06-28 Youmei Zhang , Chunluan Zhou , Faliang Chang , Alex C. Kot

The simulation of the dynamical behavior of pedestrians and crowds in spatial structures is a consolidated research and application context that still presents challenges for researchers in different fields and disciplines. Despite…

Multiagent Systems · Computer Science 2016-08-18 Giuseppe Vizzari , Stefania Bandini

We investigate the autonomous navigation of a mobile robot in the presence of other moving vehicles under time-varying uncertain environmental disturbances. We first predict the future state distributions of other vehicles to account for…

Robotics · Computer Science 2020-09-09 Junhong Xu , Kai Yin , Lantao Liu

Robot navigation in dynamic environments shared with humans is an important but challenging task, which suffers from performance deterioration as the crowd grows. In this paper, multi-subgoal robot navigation approach based on deep…

Robotics · Computer Science 2022-11-30 Xinyi Yu , Jianan Hu , Yuehai Fan , Wancai Zheng , Linlin Ou

The navigation of robots in dynamic urban environments, requires elaborated anticipative strategies for the robot to avoid collisions with dynamic objects, like bicycles or pedestrians, and to be human aware. We have developed and analyzed…

Robotics · Computer Science 2022-10-18 Óscar Gil , Alberto Sanfeliu

Predicting crowd intentions and trajectories is critical for a range of real-world applications, involving social robotics and autonomous driving. Accurately modeling such behavior remains challenging due to the complexity of pairwise…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Weizheng Wang , Baijian Yang , Sungeun Hong , Wenhai Sun , Byung-Cheol Min

This paper presents a novel online framework for safe crowd-robot interaction based on risk-sensitive stochastic optimal control, wherein the risk is modeled by the entropic risk measure. The sampling-based model predictive control relies…

Robotics · Computer Science 2020-09-15 Haruki Nishimura , Boris Ivanovic , Adrien Gaidon , Marco Pavone , Mac Schwager

In this paper, we propose a novel navigation system for mobile robots in pedestrian-rich sidewalk environments. Sidewalks are unique in that the pedestrian-shared space has characteristics of both roads and indoor spaces. Like vehicles on…

In a typical path planning pipeline for a ground robot, we build a map (e.g., an occupancy grid) of the environment as the robot moves around. While navigating indoors, a ground robot's knowledge about the environment may be limited due to…

Robotics · Computer Science 2023-08-03 Vishnu Dutt Sharma , Jingxi Chen , Pratap Tokekar

For tasks conducted in unknown environments with efficiency requirements, real-time navigation of multi-robot systems remains challenging due to unfamiliarity with surroundings.In this paper, we propose a novel multi-robot collaborative…

Robotics · Computer Science 2025-12-29 Qingquan Lin , Weining Lu , Litong Meng , Chenxi Li , Bin Liang

Safe motion planning for robotic systems in dynamic environments is nontrivial in the presence of uncertain obstacles, where estimation of obstacle uncertainties is crucial in predicting future motions of dynamic obstacles. The worst-case…

Robotics · Computer Science 2025-01-22 Jian Zhou , Yulong Gao , Ola Johansson , Björn Olofsson , Erik Frisk

Recommender systems recommend objects regardless of potential adverse effects of their overcrowding. We address this shortcoming by introducing crowd-avoiding recommendation where each object can be shared by only a limited number of users…

Physics and Society · Physics 2013-06-18 Stanislao Gualdi , Matus Medo , Yi-Cheng Zhang

This paper presents a novel data-driven crowd simulation method that can mimic the observed traffic of pedestrians in a given environment. Given a set of observed trajectories, we use a recent form of neural networks, Generative Adversarial…

Graphics · Computer Science 2019-05-24 Javad Amirian , Wouter van Toll , Jean-Bernard Hayet , Julien Pettré