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Challenges in Crowd Simulation

Daniel Thalmann, Helena Grillon, Jonathan Maim, Barbara Yersin
2009 2009 International Conference on CyberWorlds  
The purpose of this paper is to identify the problems to solve in order to simulate real-time crowds in a Virtual Environment.  ...  We then discuss for each problem what are the future challenges and how to address them.  ...  Acknowlegments Research on crowd has been partially sponsored by the Swiss National Research Foundation and the CyberEmotions EU project.  ... 
doi:10.1109/cw.2009.23 dblp:conf/vw/ThalmannGMY09 fatcat:aai63hszfba5ja7cirj7w4e7gq

Modelling flash crowd performance in peer-to-peer systems: Challenges and opportunities

Yong Meng Teo
2014 2014 5th International Conference on Intelligent Systems, Modelling and Simulation  
For example, Amazon estimates that its sales decrease by 1% for every 100ms delay due to flash crowds, and Google reports that half a second increase in waiting time results in a 20% decrease in traffic  ...  This keynote discusses a new approach in modeling the performance of peer-assisted file distribution systems with flash crowds [1, 3] .  ...  In conclusion, we highlight a number of challenges and opportunities in modeling flash crowd performance in web-based and mobile applications.  ... 
doi:10.1109/isms.2014.165 fatcat:pzgki5m4tneotfplpnbvh2qtlq

3SEA-06 Intrinsic disorder under crowded environment: thermodynamic simulation of α-synuclein amyloid fibril formation(Frontiers in physical properties of proteins: challenges by young scientists,Symposium,The 52th Annual Meeting of the Biophysical Society of Japan(BSJ2014))
3SEA-06 混雑環境下での天然変性タンパク質の振る舞い: α-synuclein のアミロイド形成に関する熱力学シミュレーション(タンパク質物性研究の最前線 : 若手研究者による挑戦,シンポジウム,第52回日本生物物理学会年会(2014年度))

Nobuhiro C. Shirai
2014 Seibutsu Butsuri  
In contrast, the variant with a donor in the alpha-helical domain and an acceptor in the beta-barrel domain showed an increase in the FRET efficiency only after 100 ms of folding.  ...  Variants with a single FRET pair in the beta-barrel domain showed an increase in the FRET efficiency on the sub-millisecond time scale.  ...  This may be a novel binding mode of IDPs. 3SEA-06 混雑環境下での天然変性タンパク質の振る舞い: α-synuclein のアミロイド形成に関する熱力学シミュレーション Intrinsic disorder under crowded environment: thermodynamic simulation of α-synuclein amyloid  ... 
doi:10.2142/biophys.54.s140_5 fatcat:thcl6ak2ejhf7ad2lpkit5iuuy

From one virtual actor to virtual crowds

Soraia Raupp Musse, Daniel Thalmann
2000 Proceedings of the fourth international conference on Autonomous agents - AGENTS '00  
For instance, avoiding collision problems related to a big number of individuals in the same place require different strategies in comparison with the methods used to avoid collision between individuals  ...  A crowd is not only a group of many individuals. Crowd modelling involves problems that arise only when we focus on crowds.  ...  The challenges include the simulation of lots of people as well as the automatic generation of individualities that are important in the visual aspects.  ... 
doi:10.1145/336595.336975 dblp:conf/agents/MusseT00 fatcat:jrjz3mwclvgx7ionlkra4wfwqa

Crowd Simulation and Its Applications: Recent Advances

Ming-Liang Xu, Hao Jiang, Xiao-Gang Jin, Zhigang Deng
2014 Journal of Computer Science and Technology  
Finally, we offer our viewpoints on open crowd simulation research challenges and point out potential future directions in this field.  ...  This article surveys the state-of-the-art crowd simulation techniques and their selected applications, with its focus on our recent research advances in this rapidly growing research field.  ...  Indeed, the design of a general, robust, and practical crowd simulation framework that can handle a large variety of applications is still considered as a grand challenge in crowd simulation field.  ... 
doi:10.1007/s11390-014-1469-y fatcat:6fmcxqplxbf5fhn5a3vas2yyuy

A simulation model for crowd evacuation of fire emergency scenario

Noor Akma Abu Bakar, Khalid Adam, Mazlina Abdul Majid, Mario Allegra
2017 2017 8th International Conference on Information Technology (ICIT)  
Human safety is an important issue when handling the crowd evacuation in order to avoid death and injuries.  ...  Simulation (example: Discrete Event Simulation and Agent-Based Simulation) is a well-known method to investigate crowd evacuation.  ...  The challenge in this topic is the difficulty of modeling the crowd evacuation due to diversity of human behavior [8] .  ... 
doi:10.1109/icitech.2017.8080027 fatcat:5fx5awgy6vbrfafmxgdr5ifzby

Intelligent Socio-Emotional Control of Pedestrian Crowd behaviour inside Smart City

Ahmad Hoirul Basori, Sharaf Jameel Malebary, Andi Besse Firdausiah Mansur, Andi Tenriawaru, Norazah Yusof, Arda Yunianta, Omar M. Barukab
2021 Procedia Computer Science  
However, managing how the human crowd and machine can live together is a challenging task; social and emotional interaction between human may affect the crowd behaviour.  ...  However, managing how the human crowd and machine can live together is a challenging task; social and emotional interaction between human may affect the crowd behaviour.  ...  However, the challenge to put an agent in the situation similar to real-world problem undeniably is a big challenge, here.  ... 
doi:10.1016/j.procs.2021.02.011 fatcat:ge3j3osp5bhmligugtvgybwbam

Wisdom of the crowd from unsupervised dimension reduction [article]

Lingfei Wang, Tom Michoel
2017 arXiv   pre-print
Here we show with simulation and real-world data that the crowd wisdom problem is analogous to one-dimensional unsupervised dimension reduction in machine learning.  ...  As the costs for data acquisition and processing rapidly decrease, this study will promote and guide crowd wisdom applications in the social and natural sciences, including data fusion, meta-analysis,  ...  We further interrogated crowd wisdoms in controlled simulations.  ... 
arXiv:1711.11034v1 fatcat:6oct5hzxcjdl7g5e4keykh2jce

Towards Interactive Real-Time Crowd Behavior Simulation

Branislav Ulicny, Daniel Thalmann
2002 Computer graphics forum (Print)  
In this paper we discuss the challenges involved in creating such simulations, especially the need to efficiently manage variety. We introduce the concept of levels of variety.  ...  Then we present our work on crowd behaviour simulation aimed at interactive real-time applications such as computer games or virtual environments.  ...  This work has been supported by the Swiss National Research Foundation and the Federal Office for Education and Science in the framework of the European projects CROSSES and CAHRISMA.  ... 
doi:10.1111/1467-8659.00634 fatcat:ogmoreosrreslle263pnp7kiba

Toward a Generic Framework for Modeling Human Behaviors in Crowd Simulation

Linbo Luo, Suiping Zhou, Wentong Cai, Malcolm Yoke Hean Low, Michael Lees
2009 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology  
within a virtual environment is a challenging affair from a technical perspective, involving many different elements that are required to work in tandem.  ...  Creating crowd variation with the ocean personality model. The most common approach for simulating artificial crowds involves employing a series of different models and algorithms working in tandem.  ...  is a challenging affair from a technical perspective, involving many different elements that are required to work in tandem.  ... 
doi:10.1109/wi-iat.2009.163 dblp:conf/iat/LuoZCLL09 fatcat:cgtbxi3s2bemxdk7czdqrd4pdi

Human-in-the-loop agent-based simulation for improved autonomous surveillance using unmanned vehicles

Sara Minaeian, Yifei Yuan, Jian Liu, Young-Jun Son
2015 2015 Winter Simulation Conference (WSC)  
The proposed simulation communicates with the crowd detection module in the UVs' onboard computer in real-time, developing plans for a number of simulated crowd-individuals based on the parameters extracted  ...  Next, the social-force-based crowd modeling is used in the simulation to interpolate waypoints for moving the simulated individuals to their planned destinations.  ...  Compared to our previous work (Khaleghi et al. 2014) , where we presented a hardware-in-the-loop simulation with real UVs for the simulated crowds, in this work the real crowds act as passive components  ... 
doi:10.1109/wsc.2015.7408432 dblp:conf/wsc/MinaeianYLS15 fatcat:ylu6pnli2fb55m7umiqstjyybm

Crowd Analysis Using Computer Vision Techniques

Julio Silveira Jacques Junior, Soraia Musse, Claudio Jung
2010 IEEE Signal Processing Magazine  
In fact, a big challenge in crowd simulation is the knowledge about real crowds, meaning that many behaviors of real crowds are not yet observed, proved, or still explained.  ...  Also, simulating realistically a high-density crowd is still a challenge, particularly regarding collision avoidance.  ... 
doi:10.1109/msp.2010.937394 fatcat:5duckbwnsfdgfo4j6iujhucxty

Simulation of Consensus Based Approaches to Mitigate the Challenges in Crowdsourcing

Kumar Abhinav, N. C. Shrikanth, Anurag Dwarakanath
2015 Asia-Pacific Software Engineering Conference  
In this work, we evaluated consensus based approach to assess the quality of the work done by the crowd through a simulation of crowd behavior.  ...  Crowd is a creative workforce that has niche abilities to solve complex business challenges across various domains.  ...  Hence, owing to the anonymity of the crowd, evaluating the quality of the work of the crowd becomes a major challenge in crowdsourcing software development.  ... 
dblp:conf/apsec/AbhinavSD15 fatcat:ko44virvsraqrjblbdsxipps6y

A reflective memory based framework for crowd network simulations

Sun Hongbo, Mi Zhang
2018 International Journal of Crowd Science  
Compared with other large-scale interactive simulations, simulation for crowd network has challenges of dynamic, diversification and massive participants.  ...  However, because most results cannot be observed in real world, the research of crowd network cannot follow a traditional way. Simulation is the main means to put forward related research studies.  ...  In a word, crowd network simulation is a new development of large scale simulations, which faces both opportunities and challenges.  ... 
doi:10.1108/ijcs-01-2018-0004 fatcat:u7ieuigfsvbstdwoux7zofxyfa

Parsimony versus reductionism: How can crowd psychology be introduced into computer simulation?

Michael J. Seitz, Anne Templeton, John Drury, Gerta Köster, Andrew Philippides
2017 Review of General Psychology  
This is not a contradiction specific to the development of crowd simulation models but rather a general challenge in all of science.  ...  By combining their knowledge, together these disciplines could have a real and important impact on the safety of large crowd events. Many challenges remain in computer simulation of human crowds.  ... 
doi:10.1037/gpr0000092 fatcat:a46racllengwdmj72j2qyabfty
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