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Computer Engineering Commons

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Full-Text Articles in Computer Engineering

Visual Simulation Of Dynamic Burning Scene Of Single Plant, Weilong Ding, Linfeng Luo, Zheng Lei, Fuli Wu, Lifeng Xu Nov 2019

Visual Simulation Of Dynamic Burning Scene Of Single Plant, Weilong Ding, Linfeng Luo, Zheng Lei, Fuli Wu, Lifeng Xu

Journal of System Simulation

Abstract: At present, the research of the interactive process between plants and the flame mainly focuses on the visual simulation of forest fire scenario, but it is lack of the study on description of the interaction of individual plants and flame in detail. Aiming at this issue, this paper proposed a visual solution to model the process of a single plant burning. We established a plant model based on the branch node relationship and used particle system to model the flame. We set up a distance temperature field around a flame by using bounding sphere, and used a collision …


Project Insight: A Granular Approach To Enterprise Cybersecurity, Sunna Quazi, Adam Baca, Sam Darsche Jan 2019

Project Insight: A Granular Approach To Enterprise Cybersecurity, Sunna Quazi, Adam Baca, Sam Darsche

SMU Data Science Review

In this paper, we disambiguate risky activity corporate users are propagating with their software in real time by creating an enterprise security visualization solution for system administrators. The current problem in this domain is the lag in cyber intelligence that inhibits preventative security measure execution. This is partially due to the overemphasis of network activity, which is a nonfinite dataset and is difficult to comprehensively ingest with analytics. We address these concerns by elaborating on the beta of a software called "Insight" created by Felix Security. The overall solution leverages endpoint data along with preexisting whitelist/blacklist designations to unambiguously communicate …


Method Of Visualsimulation Of Rice Leaf Color, Hongyun Yang, Aizhen Sun, Wenji Yang, Huojiao He Jan 2019

Method Of Visualsimulation Of Rice Leaf Color, Hongyun Yang, Aizhen Sun, Wenji Yang, Huojiao He

Journal of System Simulation

Abstract: A color rendering method for rice leaves based on SPAD data distribution image was presented. Rice leaf image was collected and SPAD value was measured by field rice sample test. The relationship model between SPAD values and RGB value of leaf image was analyzed and constructed, and the R2 was 0.932 8, 0.833 1, 0.562 3 respectively. This showed that there was a correlation between SPAD and the red and green color of the leaf image. By the SPAD data distribution image, the spatial distribution of SPAD value on the leaf surface is described. The leaf surface color …


Complex Network Modeling And Visualization Analysis For Ocean Observation Data, Sun Xin, Zhenhua Li, Junyu Dong, Xinyan Luo, Yuting Yang Jan 2019

Complex Network Modeling And Visualization Analysis For Ocean Observation Data, Sun Xin, Zhenhua Li, Junyu Dong, Xinyan Luo, Yuting Yang

Journal of System Simulation

Abstract: Ocean data analysis is one of the important foundations in marine science research. Analysis on the sea surface temperature based on complex network theory helps explore the marine dynamics in a new perspective. The ocean is divided into grids, and the annual average of the sea surface temperature is calculated to reflect the properties of the corresponding grid area. The mutual information and the Pearson correlation coefficient are used to measure the similarity between different areas. The nonlinear and linear complex network models which reflect the station of the global marine climate can be built. Finally some popular measures …


Visualized Parameter-Tuned Algorithm For Control Loading System, Xie Chen, Shuchu Zhang, Zhenyu Sun Jan 2019

Visualized Parameter-Tuned Algorithm For Control Loading System, Xie Chen, Shuchu Zhang, Zhenyu Sun

Journal of System Simulation

Abstract: To improve the fidelity of flight simulators, a control loading system is introduced in this paper which has the most direct effect on the pilot's intuitive perception. The overall design, hardware construction and digital simulation results of the system are given. In the process of system realization, the visual displacement-force loading configuration scheme is adopted to solve such problems as requirement changes or parameter excursions in hardware. The algorithm of output waveform curve adjustment based on cubic spline interpolation is proposed and the parameters are adjusted according to demand through graphical operation interface by maintenance personnel. The traditional method …


Research On Virtual Reality Simulation System For Crew Cabin Of Special Vehicle, Yufei Jia, Xinjun Zhao, Junyan Zhao, Lingjie Kong, Kelei Huang Jan 2019

Research On Virtual Reality Simulation System For Crew Cabin Of Special Vehicle, Yufei Jia, Xinjun Zhao, Junyan Zhao, Lingjie Kong, Kelei Huang

Journal of System Simulation

Abstract: As a kind of new design method, virtual reality has been widely used in military, industrial, construction, medical, aerospace and other fields. A method for designing and demonstrating the crew cabin of special vehicle by visualized virtual reality simulation technology is introduced in this paper, which takes the design and demonstration of crew cabin of special vehicle in the future as example. The overall framework has been formatted through the design of system function and the detailed division of module. On the basis of the design for each functional software of the system, the functional modules are effectively supported …


Multi-Scale Representation Of Battlefield Situation, Yafeng Huang, Xudong Li, Hangfeng Zhang Jan 2019

Multi-Scale Representation Of Battlefield Situation, Yafeng Huang, Xudong Li, Hangfeng Zhang

Journal of System Simulation

Abstract: This paper studies the multi-scale representation of battlefield situation at the conceptual level in different aspects, such as the concept of situation scale, scale transformation and typical styles of multi-scale representation. The scale of battlefield situation as the Cartesian product of two sets is defined, in which the first set contains space, time, and semantics; the other set contains breadth, granularity, and ratio. The scale transformation is classified into two types: scale downward and scale upward. The scale transformation is decomposed into three basic operations, i.e. breadth transformation, transformation and visualization derivation. The study points out that FIOP, LOD …