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There are 12 papers published in subject: > since this site started. |
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1. An extended model of group chase and escape based on refuges | |||
ZHANG Xinglei,LIU Shaohua | |||
Computer Science and Technology 24 March 2021 | |||
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Abstract:In this paper,an extended model is proposed to describe the motion trajectory of group chase and escape based on refuges.The rich dynamic behaviors of chaser and escaper are demonstrated by using a cellular automata model and the protective effect of refuge on escaper is explored in both long-term and short-term modes. The protective effect of different refuge density and distribution is compared in this paper. A critical refuge density which provides 100% protection for escaper is founded as refuge density increases and the optimal refuge distribution for prey\'s survival is concluded. These findings can provide references for the establishment of endangered animal refuges and the modeling of crowd evacuation under attack, and have profound significance on the topic of group chase and escape. | |||
TO cite this article:ZHANG Xinglei,LIU Shaohua. An extended model of group chase and escape based on refuges[OL].[24 March 2021] http://en.paper.edu.cn/en_releasepaper/content/4754164 |
2. Research on power allocation in V2X network based on Reinforcement Learning | |||
Wang Yanlong,Liu Jun,Yang Jie | |||
Computer Science and Technology 23 March 2021 | |||
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Abstract:With the rapid development of IoT (Internet of Things), the application scenarios of wireless devices accessing the network has been greatly enriched. Vehicle-to-Everything (V2X) is one of the most typical scenarios. This paper proposes a model of the V2X power distribution problem in a multi-base station scenario for the power allocation problem, and designs three types of reinforcement learning algorithms. The specific optimization problems are publicized and deduced and the elements of the reinforcement learning algorithm are sorted out. The results show that the performance of the DDPG algorithm is the best, which verifies the feasibility of the reinforcement learning algorithm in the V2X scenarios. | |||
TO cite this article:Wang Yanlong,Liu Jun,Yang Jie. Research on power allocation in V2X network based on Reinforcement Learning[OL].[23 March 2021] http://en.paper.edu.cn/en_releasepaper/content/4754266 |
3. Model of dynamic division of distribution area based on ant colony algorithm | |||
Zhang Yazhou,Zhuang Yufeng | |||
Computer Science and Technology 16 April 2020 | |||
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Abstract:In recent years, with the rapid popularization of mobile terminals, China\'s express delivery has developed rapidly, and with the continuous increase in express delivery volume, the pressure of express delivery has increased year by year. Under the existing distribution area division model, problems such as warehouse outages have become increasingly serious. This article mainly proposes a model of dynamic division of distribution areas from the perspective of dynamic adjustment of express delivery volume to solve existing problems. The main idea of the entire model is to first ensure that the delivery volume of the delivery point is not overstock as possible under the conditions of limited delivery capacity. the express delivery volume forms a dynamic balance between express delivery points, and then optimizes the delivery distance under this condition to solve the problems mentioned in this article. | |||
TO cite this article:Zhang Yazhou,Zhuang Yufeng. Model of dynamic division of distribution area based on ant colony algorithm[OL].[16 April 2020] http://en.paper.edu.cn/en_releasepaper/content/4751656 |
4. Research on Video Distribution Strategy and Path Optimization for QoE Perception | |||
RONG Hui-Gui,ZHANG Na | |||
Computer Science and Technology 26 March 2019 | |||
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Abstract:With the rapid development of the Internet, the continuous upgrading of the network infrastructure, a large amount of online video, making the Internet bear more and more pressure. Compared with the traditional network architecture, the Content Delivery Network (CDN) can improve the utilization of network bandwidth resources, especially the network bandwidth resources of the Backbone Network, improve the quality of network transmission, and can effectively reduce the load of the source server and improve the user\'s Quality of Experience (QoE). In this paper, we make QoE model improvements based on videos of interest to users, and propose a video distribution strategy for improved QoE model. Finally, the path of the distribution strategy is further optimized. We used the CDNsim simulation system to perform simulation experiments and verify the performance of the distribution strategy. The experimental results show that the video distribution strategy proposed in this paper has low response time and high hit rate, which makes QoE higher. | |||
TO cite this article:RONG Hui-Gui,ZHANG Na. Research on Video Distribution Strategy and Path Optimization for QoE Perception[OL].[26 March 2019] http://en.paper.edu.cn/en_releasepaper/content/4747933 |
5. Application of density-based sine cosine algorithm in soil moisture interpolation model | |||
Li Gang,Li Ning,Chen Yuanzhi | |||
Computer Science and Technology 05 December 2017 | |||
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Abstract:Focused on the issue that sine cosine algorithm is easy to fall into local optimum in complex optimization problems, a density-based sine cosine algorithm was proposed. The algorithm combines the density information around the individual. In iterative process, individuals with higher density are far away from the center of density, making the algorithm not overcrowded during the exploration period, which enhances the local optimal avoidance ability of the algorithm. The standard function was used to test the performance of the algorithm, and the algorithm was applied to optimize the ordinary kriging interpolation model. The experimental data was from Changge, Henan Province. The results showed that the proposed algorithm had good convergence speed, better local optimal avoidance ability and better performance in optimizing soil moisture interpolation model . | |||
TO cite this article:Li Gang,Li Ning,Chen Yuanzhi. Application of density-based sine cosine algorithm in soil moisture interpolation model[OL].[ 5 December 2017] http://en.paper.edu.cn/en_releasepaper/content/4742360 |
6. On the Simulation of Networked Sensor Systems | |||
Dong Wei | |||
Computer Science and Technology 06 September 2013 | |||
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Abstract:A typical wireless sensor network (WSN) consists of a large number of sensor nodes, and is envisioned to support a wide range of applications. As most sensor nodes are operating unattended for a long lifetime, the need for robust software is very important for networked sensor systems. Simulation of networked sensor systems should be an important phase in application development. In this paper, we provide a detailed technical review of sensor network simulators. We not only list existing sensor simulators in the literature, but also summarize each simulator's advantages and disadvantages. Hence, simulator users can benefit from this summarization. We also include the most recent works, including TimeTOSSIM, AvroraZ, and COOJA, etc. | |||
TO cite this article:Dong Wei. On the Simulation of Networked Sensor Systems[OL].[ 6 September 2013] http://en.paper.edu.cn/en_releasepaper/content/4558343 |
7. AUTONOMOUS HUMAN CROWD SIMULATION | |||
HUANG Tianyu,WEI Jia | |||
Computer Science and Technology 28 February 2013 | |||
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Abstract:This paper proposed the strategies of individual coordinate movement to implement the autonomous crowd movement simulation in dynamic environment. It could resolve the evasion problem in crowd simulation. We optimized the dynamic path planning algorithm by propagating the states all-around in map grids. The experiment resualts show that the proposed approach improved the efficiency of the crowd movement simulation in dynamic environment. | |||
TO cite this article:HUANG Tianyu,WEI Jia. AUTONOMOUS HUMAN CROWD SIMULATION[OL].[28 February 2013] http://en.paper.edu.cn/en_releasepaper/content/4524736 |
8. Research and Realization on 3D GIS Visualization system based on OpenGL | |||
Gong Xiaofeng | |||
Computer Science and Technology 12 February 2009 | |||
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Abstract:In this paper, we discuss the theory, technology and algorithms of three-dimensional (3D) GIS visualization; it includes terrain surface modeling techniques of digital elevation model (DEM), basic theory of three-dimensional (3D) terrain visualization, Triangular Irregular Network (TIN) type and algorithms, dynamic three-dimensional terrain display techniques based on simplified model, and spatial searching techniques based on three-dimensional terrain map. OpenGL graphic function library is The most widely used industry standards in the world, we analysis its interface and function, design and construct the module based on that. In the end, we demonstrate the theory with a system that can display the 3d terrain we need. | |||
TO cite this article:Gong Xiaofeng. Research and Realization on 3D GIS Visualization system based on OpenGL[OL].[12 February 2009] http://en.paper.edu.cn/en_releasepaper/content/28905 |
9. Modeling Multi-agent Systems with Hierarchical Colored Petri Nets | |||
Li Jun,Lan Shunguo | |||
Computer Science and Technology 24 June 2008 | |||
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Abstract:A new approach to model multi-agent systems with hierarchical colored Petri nets is introduced. Every agent has its colored Petri net model, when agents are composed into a MAS, we can.get hierarchical colored Petri net model of the multi-agent system and analysis the multi-agent system at system level and material agent level, properties of the hierarchical colored Petri net model, such as reachability, deadlock detection and avoidance, fairness, will help us analyzing dynamic properties of the multi-agent system. PNAE, Petri nets based multi-agent environment, is briefly introduced | |||
TO cite this article:Li Jun,Lan Shunguo. Modeling Multi-agent Systems with Hierarchical Colored Petri Nets[OL].[24 June 2008] http://en.paper.edu.cn/en_releasepaper/content/22456 |
10. The Visualizing of 3-Dimension Images with Visualization Toolkit | |||
Zhao Zheng | |||
Computer Science and Technology 21 May 2008 | |||
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Abstract:Visualization Toolkit (VTK) is an object oriented visualization class library for 3-Dimension graphics, visualization, and image processing. It provides technological support for those who work at visualization. The Visualization Toolkit have so strong ability that it can not only provide powerful visualization, but also support formidable image processing and finite element analysis as well as for scalar, vector, tensor rebuilding. VTK have extremely significance for the researchers who devoted to the application visualization and system development. In this paper the mechanism and visualization structure are introduced, and how to deal with mass data is analyzed. Finally several visualization examples are given. | |||
TO cite this article:Zhao Zheng. The Visualizing of 3-Dimension Images with Visualization Toolkit[OL].[21 May 2008] http://en.paper.edu.cn/en_releasepaper/content/21630 |
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