نتایج جستجو برای: crowd

تعداد نتایج: 8328  

Journal: :Simulation 2013
Fasheng Qiu Xiaolin Hu

This paper proposes a spatial activity-based modeling approach and applies it to pedestrian crowd behavior simulations. Compared to conventional pedestrian crowd models where pedestrians make movement decisions in a time-based manner, the spatial activity-based pedestrian crowd model allows a pedestrian to make decisions only when needed, that is, when there is significant change in the pedestr...

Journal: :Management Science 2017
Marc Keuschnigg Christian Ganser

2011

Size matters, particularly in demonstrations. A demonstration is in support of a movement or a cause. The movement has a number of sympathisers. The perceived number of sympathisers is important. If it is seen to be large, then it becomes easier to recruit others to the cause, and to persuade inactive sympathisers to join the demonstrations. Also, if the movement numbers are large then it is mo...

2004
MICHAEL S. MOORE

Scholars remain divided today over the origin and identity of the Wisdom Woman in Prov. 1-9. Many roads run back to her door through mythological, 2 sapiential, 3 apocalyptic, 4 rabbinic 5 and early Christian 6 circles of tradition. Attempts to pursue her prior to the book of Proverbs remain difficult, a problem for which at least four solutions have been proposed.

Journal: :NHM 2011
Daniel Roggen Martin Wirz Gerhard Tröster Dirk Helbing

Mobile on-body sensing has distinct advantages for the analysis and understanding of crowd dynamics: sensing is not geographically restricted to a specific instrumented area, mobile phones offer on-body sensing and they are already deployed on a large scale, and the rich sets of sensors they contain allows one to characterize the behavior of users through pattern recognition techniques. In this...

2009
Pierre Allain Nicolas Courty Thomas Corpetti

Analyzing the crowd dynamics from video sequences is an open challenge in computer vision. Under a high crowd density assumption, we characterize the dynamics of the crowd flow by two related information: velocity and a disturbance potential which accounts for several elements likely to disturb the flow (the density of pedestrians, their interactions with the flow and the environment). The aim ...

2016
Kordula De Kuthy Ramon Ziai Walt Detmar Meurers

We explore the annotation of information structure in German and compare the quality of expert annotation with crowdsourced annotation taking into account the cost of reaching crowd consensus. Concretely, we discuss a crowd-sourcing effort annotating focus in a task-based corpus of German containing reading comprehension questions and answers. Against the backdrop of a gold standard reference r...

2010
Mehdi Moussaïd Niriaska Perozo Simon Garnier Dirk Helbing Guy Theraulaz

Human crowd motion is mainly driven by self-organized processes based on local interactions among pedestrians. While most studies of crowd behaviour consider only interactions among isolated individuals, it turns out that up to 70% of people in a crowd are actually moving in groups, such as friends, couples, or families walking together. These groups constitute medium-scale aggregated structure...

Journal: :Ad Hoc Networks 2014
Maneesha Vinodini Ramesh Anjitha Shanmughan Rekha Prabha

Our research works focuses on the design and implementation of a novel ubiquitous multi context-aware mobile phone sensing network for mitigation of crowd disasters using machine-to-machine (M2M) communications. A mobile sensor network system integrated with wireless multimedia sensor networks (WMSNs) was designed for effective prediction of a stampede during crowd disasters. This proposed sens...

Journal: :CoRR 2017
Rob Dupre Vasileios Argyriou

In this work we present the modular Crowd Simulation Evaluation through Composition framework (CSEC) which provides a quantitative comparison between different pedestrian and crowd simulation approaches. Evaluation is made based on the comparison of source footage against synthetic video created through novel composition techniques. The proposed framework seeks to reduce the complexity of simul...

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