Spatio-Temporal Correlation Described And Analysis Method Of Video Event Based On Case Frame,
2020
1. School of Management, Jiangsu University, Zhenjiang 212013, China;;2. School of Computer Science and Telecommunication Engineering, Jiangsu University, Zhenjiang 212013, China;;
Spatio-Temporal Correlation Described And Analysis Method Of Video Event Based On Case Frame, Ke Jia, Yongzhao Zhan, Xiaojun Chen, Manrong Wang
Journal of System Simulation
Abstract: In the mass of video resources, how to describe and represent video event content is one of hot issues in the current multimedia information processing. The original theory of case grammar for natural language understanding was extended; Case Frame was designed to describe the relationships between the structures of complex events in the sub-events. In Ref_Asso, which is one of relationships, spatio-temporal correlation was analyzed and reasoned among sub-events. In the experimental part, Case Semantic Frame Net was used to describe and understand the typical complex events in surveillance video. And results of users' retrieval were compared; in which …
Digital Analysis For Van Gogh's Painting,
2020
1. School of Information Science and Engineering, Yunnan University, Kunming 650091, China;;2. Huazhong University of Science and Technology, Wuhan 430074, China;
Digital Analysis For Van Gogh's Painting, Yuqing Liu, Yuanyuan Pu, Yangfu Ren, Xu Dan
Journal of System Simulation
Abstract: Usually, Sparse Coding can be used to extract image characteristics for analyzing the style of visual art works, while researchers always don't do deep data mining on the trained basis function. The basic functions that could reflect the interior characteristics of a stylish image were trained based on Sparse Coding on art works. The spatial and higher-order characteristic statistics were figured out. Van Gogh's art works of different periods were analyzed through normalized mutual information computing using trained basis function's Gabor transform power, in order to find the diversity of style. The simulation results show that data mining on …
Research On High Usability Based On Cloud Simulation Platform,
2020
Xi'an Technological University, Xi'an 710021, China;
Research On High Usability Based On Cloud Simulation Platform, Limin Zhou, Yanfang Fu, Wuqi Gao, Gao Xiang, Cheng Bing
Journal of System Simulation
Abstract: With the increasing complexity of the simulation system, the reliability requirement is also growing. In order to ensure the reliability of the simulation system, a cloud simulation platform was built. Through the research of virtualization and high availability, a set of cloud simulation platform client management program was designed and developed according to the simulation needs. In the process of running, virtual simulation system node migration and analog off network operations were proposed to verify the reliability of the platform disaster. This ensures that the simulation system runs efficiently and stably.
Fluid Simulation Of Sph Based On Opencl,
2020
Faculty of Information Science and Technology, Ningbo University, Ningbo 315211, China;
Fluid Simulation Of Sph Based On Opencl, Miaomiao Xiao, Liu Zhen, Jiabin Shi, Tingting Liu, Cuijuan Liu, Bangquan Liu
Journal of System Simulation
Abstract: Fluid plays an important role in the Virtual Reality Scene. Physics-based fluid animation can enhance the reality of numerical simulation. The efficiency of fluid animation based on physical computing usually is not real-time rendering without parallel computing. Fluid simulation was proposed based on SPH using OpenCL, which could make full use of the data interoperability of OpenCL and the graphics API, and use the coordination work of CPU and GPU to increase the potential of the hardware; when physics computing, the surface particles and normals based on the Coulomb's law were solved out. The preliminary experiment shows that the …
Research On Augmented Reality Of Library's Navigation System,
2020
The Institute of Interactive Art and Technology of China Academy of Art, Hangzhou 310024, China;
Research On Augmented Reality Of Library's Navigation System, Zhou Wei, Lilong Chen, Jianwen Song
Journal of System Simulation
Abstract: Library science is an interdisciplinary or multidisciplinary field, classifying and retrieving books is very tedious and complex, librarians spend a lot of time on tidying books, readers on searching as well. AR (Augmented Reality) was used in library's book searching and navigation. Encoding a book's Id to a two-dimension code marker, using a AR software development kit, and Wi-Fi localization using RSSI(received signal strength), and combining the virtual mark of navigator with the scene of library, the procedure of book searching and borrowing was simplified. The test results indicate that this system benefits to locate the right place of …
Graphics And Image Local Deformation Based On Moving Least Squares Method,
2020
1. School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;;
Graphics And Image Local Deformation Based On Moving Least Squares Method, Xiaorong Du, Shuwen Ping, Zhang Yong
Journal of System Simulation
Abstract: Combined with Moving Least Squares method, a deformation function based on control points and area was defined. A localization processing method for image deformation was proposed which extended to vector graph deformation. After adding control points to control deformation and setting the target deformation zone as control area, control points were controlled to deform image and vector graph, which could produce affine transformation, similarity transformation and rigid transformation results. Experiments show that, this method can inhibit boundary aliasing as well as ensuring graphics and image local deformation result smoothness. By applying it to vector graph deformation, multiple complex deformation …
Design And Key Technologies Of Virtual Assembly And Simulation Of Mining, Driving And Transporting Equipment System,
2020
1. College of Mechanical Engineering, Taiyuan University of Technology, Taiyuan 030024, China;;2. Shanxi Key Laboratory of Fully Mechanized Coal Mining Equipment, Taiyuan 030024, China;
Design And Key Technologies Of Virtual Assembly And Simulation Of Mining, Driving And Transporting Equipment System, Jiacheng Xie, Zhaojian Yang, Xuewen Wang, Yiliang Wang
Journal of System Simulation
Abstract: For there was no connection among coal mine machinery equipment design, manufacture and its actual work environment, virtual assembly and simulation system, consisting of virtual assembly subsystem, scene simulation and roaming subsystem etc., were realized ultimately, which took shearer, scraper conveyor, roadheader and hoister as the study objects and were supported by double channel prop scene system as the hardware and Visual Studio and Open Scene Graph as the software platform, integrating force feedback, data gloves and other human interface devices, virtual assembly and simulation system made equipment operating status visible in the process of the coal production. In …
Digital Bathymetry Model For Multibeam Based On Attitude And Terrain Effect,
2020
1. Department of Electronics and Information Engineering, North China Institute of Science and Technology, Langfang 065201, China;;
Digital Bathymetry Model For Multibeam Based On Attitude And Terrain Effect, Jiacheng Yu, Xueqiang Xu
Journal of System Simulation
Abstract: Aiming at the problems of expensive multibeam system and bumpy ship in bathymetric survey for seafloor, a digital bathymetry model based on depth data according to principle of multibeam mathymetric sonar system was designed, and a correction method of water depth survey due to effect of angular beam-width, vehicle attitude and terrain was given. Accordingly, seafloor was scanned with this model and terrain map was constructed to mimic the realtime terrain. The model and correction were verified by using practical water depth data of certain seafloor. Simulation results show that the model is in accordance with theoretical analysis and …
Gesture Segmentation And Recognition Based On Kinect Depth Data,
2020
Department of Computer, Ningde Normal University, Ningde 352100, China;
Gesture Segmentation And Recognition Based On Kinect Depth Data, Yanming Mao, Liliang Zhang
Journal of System Simulation
Abstract: Aiming at the problems that gesture recognition required high environmental background, segmented gesture usually contained wrist data and closing fingers easily caused false recognition, a gesture recognition method based on depth data was proposed. It captured gesture depth map, and it used Hands Generator to obtain the information of palm for gesture segmentation, in order to remove redundant wrist data, the constraint of the palm which looks like a square was added. The number of all the other four fingers except thumb could be acquired with the use of the scanline method, therefore, the width ratio of the adjacent …
Visual Positioning Technology Research Of Picking Robot Based On Dynamic Target,
2020
1. College of Informatics, South China Agricultural University, Guangzhou 510642, China;;2. Key Lab of Key Technology on Agricultural Machine and Equipment Ministry of Education and Guangdong Province, College of Engineering, South China Agricultural University, Guangzhou 510642, China;
Visual Positioning Technology Research Of Picking Robot Based On Dynamic Target, Juntao Xiong, Xiangjun Zou, Haixin Zou, Hongxing Peng, Ye Min
Journal of System Simulation
Abstract: A difficult problem of picking robot visual position in the natural environment is the disturbance because of interference factors. The angular size of disturbed fruit was calculated to determine the three states of fruit that static, micro disturbance and large disturbance; For static and micro disturbance litchi, the improved FCM fuzzy clustering method was used to segment litchi image to acquire litchi fruit and fruit stalk, then the Hough linear fitting was used to determine the effective picking area and picking point on the fruit stalk, so realizing the visual space positioning of litchi picking point, and the simulation …
Research On Evolution Modeling Of Complex Network Based On Priority Of Equipment Capability,
2020
1. Institute of Telecommunication Engineering, Air Force Engineering University, Xi'an 710077, China;;
Research On Evolution Modeling Of Complex Network Based On Priority Of Equipment Capability, Fengqin Zhang, Liang Dong, Guan Hua, Dawu Chen, Xiaoqing Li, Qingfeng Zhang
Journal of System Simulation
Abstract: According to disadvantages of the traditional approaches of complex modeling for description of weapons and equipment on dynamic and uncertainty, referencing to the OODA theory, a new approach for evolution modeling of combat system complex network was put forward based on priority of equipment capability, which had improved BA scale-free networks model by the process of choosing linking objects, defining link edges, backing out of combat nodes and dynamic adjusting to the modeling policy based on the capability values of each nodes of weapon and equipment under particular applications. By simulation experiments, the new approach, which has the features …
Study On Virtual-Observation Kalman Filter Algorithm Of Multi-Radar Networking,
2020
1. Amy Officer Academy of PLA, Hefei 230031, China;;
Study On Virtual-Observation Kalman Filter Algorithm Of Multi-Radar Networking, Wenbo Zhao, Hailong Ding, Chenghua Qu, Mo Jun
Journal of System Simulation
Abstract: Under the circumstances of tracking targets in multi-radar networking (MRN), measure-value in polar coordinates of the networked radar (NR) has the nonlinear relation with state-value of targets tracking coordinates, which does not satisfy linear requirement of Kalman filter algorithm (KFA) application. Virtualizing the tracking coordinates of MRN as the measure coordinates of KFA was introduced. As a result, original nonlinear relation was simplified as a linear form. By means of modeling virtual observation noise and constructing the initialization strategy, KFA could solve state estimation problem in MRN. Simulation analysis and real data verification demonstrate that virtual-observation KFA (VOKFA) has …
Research On Optimal Slip Frequency Control Of Single-Sided Linear Induction Motor,
2020
Key Laboratory of Magnetic Suspension Technology and Maglev, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China;
Research On Optimal Slip Frequency Control Of Single-Sided Linear Induction Motor, Xijun Liu, Kunlun Zhang, Chen Yin
Journal of System Simulation
Abstract: In order to study the influence of the unique edge effect and normal force of single-sided linear induction motor, the effect of slip frequency on electromagnetic force and normal force output was analyzed based on constant current and constant slip frequency control to achieve optimal slip control. Considering the T-type equivalent circuit of single-sided linear induction motor and the end effect, the numerical relationship between electromagnetic force, normal force and slip frequency was calculated and derived. Combined with computer simulation, the characteristics of electromagnetic force and normal force output under conditions of different speed and different electromagnetic air gaps …
Model And Simulation Of Traffic Flow Evolutionary Based On Individual Travel Decision Analysis,
2020
1. Department of Information Engineering, Wuhan Business University, Wuhan 430056, China;;
Model And Simulation Of Traffic Flow Evolutionary Based On Individual Travel Decision Analysis, Zhuojun Li, Xingguang Chen
Journal of System Simulation
Abstract: Travel choice behavior decision-making mechanism was analyzed at first. On this basis, a traffic evolutionary model was present and the relations between the evolutionary process of traffic flow under the route choice behavior, user individual travels decision-making characteristic parameters and external traffic information were investigated by employing simulation platform. Some significant inspiration and meaningful implications are concluded, i.e., the influential effects of individual travel decision-making parameters for flow evolution are quite complicated. The travel service information should be released and used combined with appropriate travelers to maximize the effect of traffic information. These conclusions will help to deepen understanding …
Modeling And Analyzing Of Battlefield Information Sharing Effectiveness Based On Complex Networks,
2020
School of Information and Navigation Air Force Engineering University, Xi'an710071, China;
Modeling And Analyzing Of Battlefield Information Sharing Effectiveness Based On Complex Networks, Zhang Qiang, Jianhua Li, Shen Di
Journal of System Simulation
Abstract: Battlefield information sharing is the basis of acquiring information superiority to get decision and action superiority in information war。Aiming at the influence of information sharing on operational effectiveness, internal essence of the information sharing activity in information warfare was qualitatively descripted. By using operational network model which clearly reflects node's function and edge's type, the operational network with different information sharing degree was constructed, and the characteristic which depicts information sharing effectiveness was defined, and the influence law of information sharing degree on sharing effectiveness measurement indexes of operational network with simulation was analyzed. The simulation result validates that …
Study In Plant Modeling And Animation,
2020
1. College of Information Engineering, Capital Normal University, Beijing 100048, China;;
Study In Plant Modeling And Animation, Yanna Jiang, Boxiang Xiao, Xinyu Guo, Baozhu Yang
Journal of System Simulation
Abstract: Plant modeling and animation synthesis was widely used in many fields, such as virtual plant, 3D animation, games and so on. The techniques of plant modeling and animation synthesis were reviewed. Plant modeling techniques were discussed in three aspects: fractal and L system approach, imaged-based methods, methods based on three-dimensional measurement data. Plant animation synthesis techniques were analyzed in four aspects: physically-based animation, procedural animation, video-based animation and data-driven animation. Furthermore, some issues in future research were addressed, and further trends and research directions were discussed.
Co-Simulation And Experiment Of Vehicle Electro-Hydraulic Dynamic Braking System,
2020
Mechanical and Electronic Engineering School, Beijing Information Science and Technology University, Beijing 100192, China;
Co-Simulation And Experiment Of Vehicle Electro-Hydraulic Dynamic Braking System, Cai Pu, Muyi Lin, Zheng Xin, Wen Jian
Journal of System Simulation
Abstract: For now, when vehicle electro-hydraulic brake system is studied, dynamics system and hydraulic system modeling and simulation are usually separated, and that leads to defects in coupling and relevance. In order to satisfy integration design requirements of multi-body system, taking ZL50 loader as an example, the virtual prototype model was set up, and the correctness of the mechanical model was verified by real vehicle tests. The mathematical model of main system components and the hydraulic model of multi-loop electro-hydraulic braking system was established respectively. The experimental results verified the accuracy of hydraulic model by corresponding bench tests. The parameters …
Virtual Surgery Force Feedback Process Simulation Based On Soft Tissue Deformation Biomechanical Information,
2020
Robotics Institute of Harbin University of Science and Technology, Harbin 150080, China;
Virtual Surgery Force Feedback Process Simulation Based On Soft Tissue Deformation Biomechanical Information, Monan Wang, Chengyou Wang, Yuming Liu, Li Zhao
Journal of System Simulation
Abstract: For human tissues biomechanical information was obtained from tissue biomechanical model by virtual environment, human soft tissue biomechanical model was developed based on mass-spring modeling method, the biomechanical model was solved by four-order Range-Kuttle method, haptic device was designed based on modularization. Force signal transmission process simulation and obtaining realized force on force feedback device end were completed by connecting virtual haptic device and biomechanical program in ADAMS software. The force feedback process was verified by simulation system. The results show that the haptic can get accurate realtime force information. The study accomplishes simulation of force feedback process based …
Firing Stability Calculation And Simulation Analysis Of New Large Calibre Machine Gun,
2020
1. Ordnance Engineering College, Shijiazhuang 050003, China;;2. Northwest Institute of Nuclear Technology, Xi'an 710024, China;;
Firing Stability Calculation And Simulation Analysis Of New Large Calibre Machine Gun, Zhiteng Fan, Ruilin Wang, Yongjian Li, Binbin Hua, Wang Kai
Journal of System Simulation
Abstract: To study the firing stability of a new large calibre machine gun in different ground environment, the stability model of arms rack and dynamic model of the whole gun were established respectively. The stability condition in clunch and concrete environment was educed, and the force in shoulder which was required for the stability of machine gun was also calculated. Then a dynamic model of this gun at one firing movement was established. Based on this and dynamic simulation software, the muzzle displacement response in different ground environment was obtained. Comparing the simulation result and contrasting with one older machine …
Automatic Pipelining Mechanism Design For Maize Ear Analysis,
2020
Beijing Research Center for Information Technology in Agriculture, Beijing 100097, China;
Automatic Pipelining Mechanism Design For Maize Ear Analysis, Boxiang Xiao, Chuanyu Wang, Xinyu Guo, Wu Sheng, Jianjun Du
Journal of System Simulation
Abstract: Aiming at automatic character information acquisition for maize ear analysis, a pipelining mechanism was designed including two main modules: weight measurement and images collection. The system supported automatic collection of weight data and images in batches. And then, the system was analyzed in mechanical properties by kinematic parameters. A three-dimensional simulation system was developed by use of computer graphics technologies to evaluate the performance of the presented pipelining mechanism. The feasibility of the design for maize ear analysis was discussed, which can support high precise and efficient maize ear analysis as a practical tool and technical references.
