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Operations Research, Systems Engineering and Industrial Engineering Commons™
Open Access. Powered by Scholars. Published by Universities.®
- Keyword
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- Simulation (135)
- Path planning (76)
- Genetic algorithm (48)
- Deep learning (44)
- Numerical simulation (44)
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- Digital twin (42)
- Virtual reality (42)
- Modeling and simulation (39)
- Multi-objective optimization (39)
- Particle swarm optimization (35)
- Reinforcement learning (34)
- Modeling (33)
- Fault diagnosis (29)
- Attention mechanism (28)
- Deep reinforcement learning (28)
- UAV (26)
- Neural network (25)
- Simulation model (25)
- Complex network (22)
- System simulation (22)
- System dynamics (21)
- Visualization (21)
- Virtual simulation (20)
- DRL (19)
- Optimization (19)
- Multi-agent (18)
- Trajectory planning (18)
- Traffic simulation (17)
- Unity3D (17)
- A* algorithm (16)
- Publication Year
Articles 1801 - 1830 of 3880
Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
3d Real-Time Visualization And Simulation Platform For Collaborative Path Planning Of Ua, Chen Gong, Xu Lei, Zhiyong Su
3d Real-Time Visualization And Simulation Platform For Collaborative Path Planning Of Ua, Chen Gong, Xu Lei, Zhiyong Su
Journal of System Simulation
Abstract: There are still some issues existing in current path planning of UAV, such as planning result simulation verification and 3D visualization. To solve the problems, a 3D real-time visualization and simulation platform for collaborative path planning of UAV was proposed. The target area was divided and calculated. The reconnaissance beam of UAV was modeled with virtual camera, the intersection points obtained quickly based on graphics hardware. The terrain mesh was calculated by scan-line polygon filling algorithm, reconnaissance information was recorded and analyzed, and the color temperature maps were given. Through the actual operation by the simulation platform, simulation …
Three-Dimensional Data Exploration Technology Based On Large-Scale Complex Geometrical Surfaces, Zhiwei Ai, Cao Yi, Xiao Li, Huawei Wang
Three-Dimensional Data Exploration Technology Based On Large-Scale Complex Geometrical Surfaces, Zhiwei Ai, Cao Yi, Xiao Li, Huawei Wang
Journal of System Simulation
Abstract: Three-dimensional physical field data exploration visualization based on large scale complex geometric surface is of great value in three-dimensional electromagnetic simulation applications. Research was proposed which was suitable for massively parallel processing technology of three-dimensional data exploration. The concept of dual-data-source and data filtering policies was introduced based on contracts. Clipping algorithms based on spatial bounding box and data probing algorithm can support accurate three-dimensional data profiling for complex surface geometry. Research results have been applied to significant practical applications, such as the fuselage characteristics of electric field distribution analysis and high value targets within the seeker's accurate …
Research On Space Environment Simulation Technology Based On Mobile Platform, Xiaofei Hu, Zhou Yang, Pengfei Li, Jiwei Xu, Xianguang Xue
Research On Space Environment Simulation Technology Based On Mobile Platform, Xiaofei Hu, Zhou Yang, Pengfei Li, Jiwei Xu, Xianguang Xue
Journal of System Simulation
Abstract: Based on the study of the spatial visualized simulation, a novel visualized simulation technology of spatial objects built on mobile platform was developed. Critical technologies include the organization, scheduling and mapping with the background of 3D starry sky, calculation and visualized simulation of spacecraft orbit, and storage, organization, dynamic scenario-based updated rendering of 3D digital earth mega geographic data. A fractionized tile algorithm covering the scope of screen was proposed. Projection ranged on the screen was taken as the criteria of fractionation of tiles in the algorithm. Testing results show that the fractionation is correct. Spatial simulation system …
Real-Time Rendering Of Large-Scale River In Inland River Ship Simulator, Xiaoming Zhai, Yin Yong, Helong Shen
Real-Time Rendering Of Large-Scale River In Inland River Ship Simulator, Xiaoming Zhai, Yin Yong, Helong Shen
Journal of System Simulation
Abstract: To improve the reality of river visual in inland river ship simulator, a method of rendering large scale river which could be applied for inland river ship simulator was proposed. The river flowing field was built though the conception of stream function, and the algorithm of Poisson disk sampling was used to control the distribution of river flowing field. This could balance the relationship between efficiency and effect of river surface. The parallelism and programmability of GPU was adopt to render river surface. The results show the river flowing field generated by algorithm of stream function can reflect …
Simulation System For Testing Ship Dynamic Positioning Control Algorithm, Xiaobin Qian, Yin Yong, Helong Shen, Xiaofeng Sun, Xiufeng Zhang
Simulation System For Testing Ship Dynamic Positioning Control Algorithm, Xiaobin Qian, Yin Yong, Helong Shen, Xiaofeng Sun, Xiufeng Zhang
Journal of System Simulation
Abstract: To overcome the disadvantage of ship dynamic positioning control algorithm tests on sea trials, which features high risk, long debugging period and high expense, a simulation system for testing ship dynamic positioning control algorithm was designed. Motion mathematical model of dynamic positioning vessel and ocean disturbance model were established. The function requirements were proposed based on the characteristic of DP vessel movement. Architecture and implementation of the simulation system were introduced. Testing process and the related interface was descripted. A simulation was conducted on a DP supply vessel, which shows that: the simulation system can verify the effectiveness …
Circular Space-Filling Algorithm For Hierarchical Data Visualization, Kun Hou, Zhilong Li, Yuchao Feng, Chen Yi
Circular Space-Filling Algorithm For Hierarchical Data Visualization, Kun Hou, Zhilong Li, Yuchao Feng, Chen Yi
Journal of System Simulation
Abstract: The existed Circle Packing methods mainly take the style of top-down to arrange all the nodes. When the nodes of different layer was arranged, the scaling and translation would cause relative high time complexity of the algorithm, and the size proportional discordance of nodes of different father nodes but the same layer, and it also causes the problems like defective tightness between the layouts of father nodes and child nodes. To solve problems above, on the basis of summarizing methods of arranging brother nodes of the same layer, the algorithm——CRCA(Circle and Rectangle Center Algorithm) was proposed, which took the …
Antenna Model In Simulation Of Spacecraft, Ti Zhou, Miao Yi, Sun Jun
Antenna Model In Simulation Of Spacecraft, Ti Zhou, Miao Yi, Sun Jun
Journal of System Simulation
Abstract: To give a solution how to catch relay satellite by spacecraft in the simulation system of manned craft, several 2D craft models were studied in the simulation software based on HLA, and some sufficient and necessary conditions and the methods were given to compute the visibility of relay satellite according to these models. On these methods, 3D antenna model and the orbit and attitude model of spacecraft were researched, and 3D antenna model was given with attitude information of craft. Finally, matrix translations were used to translate some vectors to the same reference frame, and the visibility was decided …
Parallel Rendering Of Massive Aircraft Cad Models, Dunming Tan, Guoting Cao, Juanfang Lang, Yang Shuo
Parallel Rendering Of Massive Aircraft Cad Models, Dunming Tan, Guoting Cao, Juanfang Lang, Yang Shuo
Journal of System Simulation
Abstract: A parallel rendering method was presented with PC clusters in order to render massive aircraft CAD models in real time with high resolution. PC clusters were used for sort-first based rendering, BVH tree was built for efficient frustum culling, DID screens were utilized for high resolution display. In addition, multi-CPUs were exploited for thread based parallel out-of-core paging, frustum culling, BVH tree building and rendering. The experimental results show that by this parallel rendering PC clusters consists of 15 PC nodes, aircraft CAD models with 1.7 million of triangles can be rendered in real-time with resolution of 6800* …
Lattice Boltzmann Fluid Simulation Based On Parameters, Zhongxiao Guo, Huiwen Liu, Xuemei Liu, Gao Yang
Lattice Boltzmann Fluid Simulation Based On Parameters, Zhongxiao Guo, Huiwen Liu, Xuemei Liu, Gao Yang
Journal of System Simulation
Abstract: In computational fluid dynamics (CFD), the lattice Boltzmann Method (LBM) has become the mainstream method of fluid numerical simulation based on Navier-Stokes equations. The visualization of numerical results and the real-time rendering of fluid animation could provide a visual method for data analysis. A velocity field drawn method for two-dimensional visualization was proposed based on LBGK equation and D2Q9 model design algorithm model, transforming floating-point fluid velocity value into the intensity values, which was used by the RGBA color rendering method. For three-dimensional visualization, Particle Level Set Method (PLSM) was used to track the fluid surface and coupled it …
Research On Online Simulation Technology Of Intelligent Distribution Network Based On Distributed Component Service, Xueshun Ye, Wanxing Sheng, Xiaoli Meng, Keyan Liu, Yinglong Diao
Research On Online Simulation Technology Of Intelligent Distribution Network Based On Distributed Component Service, Xueshun Ye, Wanxing Sheng, Xiaoli Meng, Keyan Liu, Yinglong Diao
Journal of System Simulation
Abstract: Simulation architecture of intelligent distribution network was investigated based on component service, Service Oriented Architecture computing framework, modules coordination mechanism and component deployment and realization method were proposed. And data interactive interface, transmission and integration method with online data resources were proposed. Meanwhile, distribution network simulation model, including photovoltaic, wind power and other distributed generation was established, which designed online power flow, fault calculation, reliability, reactive power optimization, distributed generation locating and sizing function module. An online simulation system of intelligent distribution network was realized on basis of the architecture and method above. Through a 10 kV …
Virtual Simulation System Of Cutter Suction Dredger Based On Unity3d, Pengfei Yao, Zhengming Chen, Tong Jing, Lina Qian
Virtual Simulation System Of Cutter Suction Dredger Based On Unity3d, Pengfei Yao, Zhengming Chen, Tong Jing, Lina Qian
Journal of System Simulation
Abstract: In order to solve some shortages for the traditional training of cutter suction dredger, a virtual simulation system was designed using Unity3D, which mainly targeted at operational procedures of construction and display of construction environment. Mesh deformation and texture changing were used to realize the simulation of the soil-cutting. The 2D path simulation which included the simulation of stone crushing and proportion of sand in the pipeline was realized by means of path-finding algorithm. 3D display and human-computer interaction were realized by virtual reality devices, which could improve the effect of the virtual simulation.
On Simulating Marine Radar Echo Intensity Generated By 3d Graphic Rendering, Shilian Cao, Yicheng Jin, Yin Yong
On Simulating Marine Radar Echo Intensity Generated By 3d Graphic Rendering, Shilian Cao, Yicheng Jin, Yin Yong
Journal of System Simulation
Abstract: The echo image cannot show reliable occlusion between objects, and the echo intensity cannot represent physical characteristics of electromagnetic wave propagation in the existing marine radar simulator. To solve these problems, a new method of generating radar echo image was raised on the basis analyzing the method of ray tracing. 3D visual database was used as data source, the marine radar echo image was generated by the method scene graphic rendering. A model based on radar equation was raised to compute marine radar echo intensity. The model gave the method of computing path attenuation, rain attenuation and …
Research On Mathematical Model Of Yacht In Yacht Simulator, Xiaofeng Sun, Yin Yong, Hongyu Zhou, Xiufeng Zhang
Research On Mathematical Model Of Yacht In Yacht Simulator, Xiaofeng Sun, Yin Yong, Hongyu Zhou, Xiufeng Zhang
Journal of System Simulation
Abstract: Mathematical model of yacht is one of the key technologies for the development of yacht simulator. According to the separate model of MMG (Maneuvering Model Group), a planar motion model of yacht was established. The hydrodynamic coefficients were obtained through ship model test by using PMM (Planar Motion Device). Hydrodynamic forces and moments acting on the hull and propeller and rudder were calculated respectively. Ship motion equations were solved by means of the fourth order Runge-Kutta method, and ship motion parameters were achieved. Simulated program was coded through Visual Studio 2013, and simulations of three yachts were …
Modelling Of Boom Crane Loading System Of Marine Engineering Ship, Helong Shen, Yin Yong, Xiujie Wang
Modelling Of Boom Crane Loading System Of Marine Engineering Ship, Helong Shen, Yin Yong, Xiujie Wang
Journal of System Simulation
Abstract: Development of ocean resources has a high degree dependence on marine engineering equipment. Among them, marine engineering ship has been widely used in many areas. Cranes on ship play an important role on transferring cargoes. The boom crane which is the most common crane on marine engineering ship was chosen as researching object. According to its real motion law, the crane system’s motion model was built with Lagrange equation which was solved with Fourth-order Runge-Kutta. The dynamics characteristics of the crane in different forms of work were analyzed.
Igbt Radiator Design And Simulation, Weijie Dong, Xiaoli Meng, Xiaohui Song, Li Wei
Igbt Radiator Design And Simulation, Weijie Dong, Xiaoli Meng, Xiaohui Song, Li Wei
Journal of System Simulation
Abstract: The power component IGBT is the main heat source in the current-transformer equipment, the heat affects safe operation seriously, so the radiator design is very important. Taking a certain kind of IGBT as an example, the operating power consumption was analyzed and calculated, the design method of the radiator was studied, and the modeling of radiator with software of SolidWorks was designed, which was exported into the finite element analysis software of Ansys, making the thermal simulation combining the reality of IGBT operating environment, and comparing the cooling effect of different radiator configuration. A theory method was provided …
Data Visualization And Interactive System Facing Educational Practice, Jinpei Qiang, Dai Song
Data Visualization And Interactive System Facing Educational Practice, Jinpei Qiang, Dai Song
Journal of System Simulation
Abstract: The data-driven visualization interactive system was implemented. According to the data visualization models, five modules were designed, which were the input module, visualization template module, visual editing module and output module. It was implemented by calling the D3, jQuery and other JavaScript library and binding the events with browser DOM. The visualization system was applied to educational practice in different disciplines which realized the evaluation of data visualization technology. Practice shows that the platform can not only meet education demand of cross-disciplinary but also simulate students’ interest in learning through visualization and interactive technology.
Research On Dynamic Construction Of Assembly Relation Of Transmission Device, Qinghua Zhang, Qingdong Yan, Shouwen Yao, Jilin Liu, Wang Yu
Research On Dynamic Construction Of Assembly Relation Of Transmission Device, Qinghua Zhang, Qingdong Yan, Shouwen Yao, Jilin Liu, Wang Yu
Journal of System Simulation
Abstract: Currently, virtual assembly research only focuses on the assembly relations of parts which are defined in cad software, and it is unable to dynamically construct or change parts’ assembly relations. Most of the research objects are simple geometry assembly, no complex structural assembly. To solve the problems efficiently, a dynamic assembly relation modeling method was proposed based on assembly feature. In the first part, the concepts of assembly feature and assembly feature plane were introduced. The assembly characteristic parameters and geometric elements were extracted from the typical assembly feature types which were defined based on the parts of the …
Joint Dynamics Simulation Analysis And Optimization In Carrying Manipulator Of Sound-Absorbing Board Packing Device, Yanjun Xiao, Feng Hua, Wang Zhao, Yonggeng Wang
Joint Dynamics Simulation Analysis And Optimization In Carrying Manipulator Of Sound-Absorbing Board Packing Device, Yanjun Xiao, Feng Hua, Wang Zhao, Yonggeng Wang
Journal of System Simulation
Abstract: As an important part of the sound-absorbing board packing device, the efficiency and operational stability of carrying manipulator play a decisive role on packing. When the natural frequency of carrying manipulator is close to the excitation frequency of motor, the carrying manipulator will shake violently. In response to above problems, we put joint dynamic simulation analysis of ADAMS and ANSYS Workbench on the carrying manipulator which is in use. We got the important components’ stress situation with the acceleration time of 0.1 s and the low-order natural frequency of the traverse key displacement in return. And on this basis …
Cooperative Task Assignment Simulation Of Multi-Uavs In Dynamic Environments, Tizhou Qiao, Xinping Guo, Yawei Li, Wenjun Zhang, Zhongyi Yin
Cooperative Task Assignment Simulation Of Multi-Uavs In Dynamic Environments, Tizhou Qiao, Xinping Guo, Yawei Li, Wenjun Zhang, Zhongyi Yin
Journal of System Simulation
Abstract: In order to address the problem of cooperative task assignment for multiple UAVs, a parallel simulation framework was proposed for cooperative task planning based on HLA/RTI simulation through UAV aerodynamic simulations and flight control simulation, which could be more real and effective algorithm validation. The paths were optimized to account for randomization and threats in the environment by modeling the probability of UAV loss. By coupling the failure probabilities of each UAV to the missions of the other UAVs, reality of cooperation was improved significantly. In order to achieve the desired objectives, the stochastic simulation models were used to …
Real-Time Visualization Method For Log Data Stream, Li Hui, Hongqian Chen, Qianyu Yang, Chen Yi
Real-Time Visualization Method For Log Data Stream, Li Hui, Hongqian Chen, Qianyu Yang, Chen Yi
Journal of System Simulation
Abstract: To discover the network cheating behavior in the online examination room in real time, a log data flow visualization method was proposed. The monitoring log data flow was used as the data source of the method. The candidates, the examination machine and other information were extracted according to the rules of the log. The correct candidate/machine corresponding relationship was established according to the first related log record information. The main information elements were mapped to the visual elements for each log data. All students' status and behavior were presented in the same visual result. A clear reminder …
Improved Itti Visual Saliency Detection Based On Multi-Scale Tensor Space, Shimin Wang, Jihua Ye, Bailiang Cheng, Mingwen Wang
Improved Itti Visual Saliency Detection Based On Multi-Scale Tensor Space, Shimin Wang, Jihua Ye, Bailiang Cheng, Mingwen Wang
Journal of System Simulation
Abstract: In view of internal dense uniform and clear borders image, through the saliency detection the target boundary is vague, so that the target object is not connected. In order to solve this problem, an improved Itti visual saliency detection method based on multi-scale tensor space was proposed. The method introduced the tensor space features, which preserved the original image spatial structure and correlation features, that could extract internal dense uniform image features, which made the target object connect, combining with saliency detection algorithm to finish feature extraction and target detection. Experimental results show that the proposed method can …
Point Cloud Modeling Based On Compactly Supported Radial Basis Function Under Kd Tree Index Strategy, Li Jia, Duan Ping, Yehua Sheng, Haiyang Lü, Siyang Zhang
Point Cloud Modeling Based On Compactly Supported Radial Basis Function Under Kd Tree Index Strategy, Li Jia, Duan Ping, Yehua Sheng, Haiyang Lü, Siyang Zhang
Journal of System Simulation
Abstract: Modeling constructed by Compactly Supported Radial Basis Function (CSRBF) and visualization will fail. The main reason is that exhaustive search results in out of memory. KD tree can void exhaustive search due to the advantage of quickly searching. CSRBF combined KD tree was used to construct point cloud model. Modeling approach of CSRBF based on KD tree was proposed. KD tree index of the point cloud was constructed. CSRBF interpolation method was used to construct implicit function model of point cloud. Marching Cubes algorithm was to display model in 3D manner. The experimental results with rabbit point cloud show …
Image Resizing Method Based On Gradient And Visual Saliency, Xingquan Cai, Buni Honghao, Yuqing Qiao, Jinghua Liu, Fengxia Li
Image Resizing Method Based On Gradient And Visual Saliency, Xingquan Cai, Buni Honghao, Yuqing Qiao, Jinghua Liu, Fengxia Li
Journal of System Simulation
Abstract: In order to delete the image region without obvious features, and not damage the main features of the target for mobile applications, the image resizing method was provided based on gradient and visual saliency. The original image was grayed, and the gradient energy matrix from the gradient of neighborhood pixels was obtained. The complex energy matrix was obtained by weighted sum of visual saliency energy and image gradient energy matrix. The cumulative energy matrix and minimal energy trajectory matrix were calculated, and the minimal energy seam of image was got. The image resizing was completed by deleting the minimal …
Color-Texture Image Segmentation Approach Designed By Integrating Geodesic Active Contour Model And Multilayer Graph Cut Model, Yang Yong, Liangren Zheng, Guo Ling, Yangdong Ye
Color-Texture Image Segmentation Approach Designed By Integrating Geodesic Active Contour Model And Multilayer Graph Cut Model, Yang Yong, Liangren Zheng, Guo Ling, Yangdong Ye
Journal of System Simulation
Abstract: An approach of color-texture image segmentation was proposed based on geodesic active contour model and multilayer graph cut model. As the clustering centers were commonly descripted with constant densities, the two phase Chan-vese model was extended to multiphase geodesic active contour model by using the Gaussian distribution to describe the changing density for each phase, and meanwhile the geodesic active contour was added into the proposed model, so that the presented approach could capture out the concave edge. For the minimization of the proposed energy function, a corresponded multilayer graph cut model was designed for resolving global approximated …
Self-Adaptive Simplification Algorithm For Suggestive-Contours Preserving, Zhou Wen, Jinyuan Jia
Self-Adaptive Simplification Algorithm For Suggestive-Contours Preserving, Zhou Wen, Jinyuan Jia
Journal of System Simulation
Abstract: It is important that features quickly extract in large-scale model retrieval. The preprocessing of 3D model simplified the mesh, not changed the contours. Based on the data structure of the cross linked list, a framework for self-adaptive algorithm was proposed, according to mesh structure, it automatically selected the rate to simplify. Besides, by computing the related mesh principal curvatures, the edge that some condition was met, were put in the structure of heap for simplification operating. In the experiment, the models were divided into the complex model and the common model. The program could simplify the operation …
Survey On Pedestrian Detection Based On Statistical Classification, Li Wei, Pengjie Wang, Haiyu Song
Survey On Pedestrian Detection Based On Statistical Classification, Li Wei, Pengjie Wang, Haiyu Song
Journal of System Simulation
Abstract: As one of the most important areas of research in the domain of computer vision and intelligent tranffic, pedestrian detection has attacted extensive interest from the research community in recent years. Because the detection based on statistical classification method is efficient, it has been widely applied. Pedestrian detection method was focused based on statistical classification. Standard dataset for evaluation of human detection was reviewed, studying the statistics about these dataset. Extracted features and the improvement on them were summarized. The main classifier for pedestrian detection was summarized. The present problems and future research trends in pedestrian detection were proposed.
Private Face Detection Based On Random Sub-Images In Cloud, Yuan Peng, Jin Xin, Xiaodong Li, Zhao Geng, Yaming Wu, Mingxin Ma, Yulu Tian, Yingya Chen
Private Face Detection Based On Random Sub-Images In Cloud, Yuan Peng, Jin Xin, Xiaodong Li, Zhao Geng, Yaming Wu, Mingxin Ma, Yulu Tian, Yingya Chen
Journal of System Simulation
Abstract: In order to detect faces of terminal face image in the cloud at the same time protect both privacy of data,a method of face images privacy detection based on random sub-Images representation was proposed. Terminal divided original image into 2 value sub-images weighted sum based on random sub-images generation algorithm and randomly arranges weights of sub-images. Terminal sent sub-images according to the weights of random sequence to the cloud server. Cloud server detected sub-images with its face detection algorithm. Terminal merges test results based on random sub were exploded. Two random vectors were leveraged to protect the parameters …
New Evaluating Algorithm Of The Single Ship Track When Inward/Outward Port Based On Ship-Handling Simulator Training, Fang Cheng, Hongxiang Ren, Yicheng Jin
New Evaluating Algorithm Of The Single Ship Track When Inward/Outward Port Based On Ship-Handling Simulator Training, Fang Cheng, Hongxiang Ren, Yicheng Jin
Journal of System Simulation
Abstract: The simulating navigation evaluation of the single ship when inward/outward port was a basic kind of examination type in maritime safety administration’s ship maneuvering ability test question system. In order to evaluate the track of the single ship when inward/outward port based on ship-handling simulator training. Constructed the track of evaluation index system by the investigation and analysis, established a comprehensive evaluation model of the single ship’s track when inward/outward port. In order to quantitative evaluate the score of unevaluated track by compared with the evaluated track score, a new evaluating cloud similarity algorithm of the single ship …
Algorithm Of Simulation Of Cutting Mouse’S Ovary Based On Leap Motion, Li Hao, Yang Meng, Hu Jie, Jiao Hao, Zhai Ying, Qie Wei, Yang Gang
Algorithm Of Simulation Of Cutting Mouse’S Ovary Based On Leap Motion, Li Hao, Yang Meng, Hu Jie, Jiao Hao, Zhai Ying, Qie Wei, Yang Gang
Journal of System Simulation
Abstract: A cutting algorithm was proposed for Mouse’s ovary model based Leap Motion. The realistic data of the main mouse organs were collected. These data were deeply analyzed. The models of mouse and organs were imported into Unity3D to create a virtual environment and an interface between Leap Motion and Unity3D. It realized the cutting on mouse’s ovary model through a cutting algorithm which created a plane formed by the collision points and the camera, and it realized the deformation of the mouse’s ovary model through a deformation algorithm based kinematic formula. The results show that the cutting algorithm can …
Embedded Face Recognition Combined Mutual Information With Log-Gabor Feature, Jihua Ye, Qingping Lan, Changhong Liu, Shimin Wang
Embedded Face Recognition Combined Mutual Information With Log-Gabor Feature, Jihua Ye, Qingping Lan, Changhong Liu, Shimin Wang
Journal of System Simulation
Abstract: Log-Gabor functions have extended tails at the high frequency end, can effectively improve the shortcoming of ordinary Gabor functions which would over-represent the low frequency components and under-represent the high frequency components, and Log-Gabor filter has no DC components, the bandwidth is not limited, so Log-Gabor filter is more suitable than Gabor filter to extract the face feature. After extracting features of a face image by a Log-Gabor filter bank which is composition of four scales and six orientations, the amount of data is 24 times of the original, but the embedded equipment resources are limited, it is difficult …