Simulation Tools and Techniques: 12th EAI International Conference, SIMUtools 2020, Guiyang, China, August 28-29, 2020, Proceedings, Part II (Lecture ... and Telecommunications Engineering)

This two-volume set constitutes the refereed post-conference proceedings of the 12th International Conference on Simulation Tools and Techniques, SIMUTools 2020, held in Guiyang, China, in August 2020. Due to COVID-19 pandemic the conference was held virtually. The 125 revised full papers were carefully selected from 354 submissions. The papers focus on simulation methods, simulation techniques, simulation software, simulation performance, modeling formalisms, simulation verification and widely used frameworks. Preface Organization Contents – Part II Contents – Part I Attention Aware Deep Learning Object Detection and Simulation 1 Introduction 2 Related Work 2.1 Convolutional Neural Network 2.2 Visualization 2.3 Attention Mechanism 3 Dish Detection Based on Cross Faster R-CNN 3.1 Visualizing Faster R-CNN 3.2 Cross Faster R-CNN 4 Experiment 4.1 Experimental Data 4.2 Analysis of Results 5 Conclusion References Robust Stability of Uncertain Replicator Population Dynamics with Time Delay 1 Introduction and Preliminaries 2 Models of Payoff Uncertainties 2.1 Uniform Uncertainty 2.2 Uniform Uncertainty with Two Delays 2.3 Exponential Uncertainty 3 Numerical Examples 3.1 Uniform Uncertainty 3.2 Uniform Uncertainty with Two Delays 3.3 Exponential Uncertainty 4 Conclusion References Dynamics of a Single Population Model with Non-transient/Transient Impulsive Harvesting and Birth Pulse in a Polluted Environment 1 Introduction 2 The Model 3 The Dynamics 4 Discussion References Dynamics of a Predator and Prey-Hibernation Model with Genic Mutation and Impulsive Effects 1 Introduction 2 The Model 3 The Lemmas 4 The Dynamics 5 Discussion References Dynamics of a Population-Hibernation Model with Genic Mutation and Impulsive Effects in a Polluted Environment 1 Introduction 2 The Model 3 The Dynamics 4 Discussion References Dynamics of a Chemostat-Type Model with Impulsive Effects in a Polluted Karst Environment 1 Introduction 2 The Model 3 The Foundation 4 Dynamical Analysis 5 Discussion References Impact of Performance Estimation on Fast Processor Simulators 1 Introduction 2 Related Work 3 Simulation Infrastructure 3.1 QEMU 3.2 ARM Fast Models 3.3 Benchmarks 4 Results 4.1 QEMU 4.2 ARM Fast Models 5 Conclusion References Multi-stage Network Recovery to Maximize the Observability of Smart Grids 1 Introduction 2 Multi-stage Network Recovery in Smart Grids 3 Problem Formulation 4 The Proposed Algorithm 5 Computational Experiments 5.1 Different Network Experiment Results 5.2 Time Complexity 6 Conclusion References Investigation of Containerized-IoT Implementation Based on Microservices 1 Introduction 2 Background and Related Work 2.1 Internet of Things (IoT) 2.2 Microservices and Containerization 2.3 Microservices and IoT 2.4 Docker Containers 3 Design and Implementation 3.1 System of Containers 3.2 Use Cases 3.3 Description of Workflow 3.4 Monitoring and Managing Containers 4 Conclusion and Future Work References Detecting Dark Spot Eggs Based on CNN GoogLeNet Model 1 Introduction 2 Materials and Methods 2.1 Experimental Materials 2.2 Instruments and Equipment 2.3 Sample Collection 2.4 Image Processing 2.5 Model Description 2.6 Testing Process 3 Results and Discussion 3.1 Experimental Results 3.2 Model Validation 4 Conclusion References An Edge Server Placement Method with Cyber-Physical-Social Systems in 5G 1 Introduction 2 Related Work 3 System Model 3.1 Delay Model 3.2 Load Balance Model 3.3 Problems Formulation 4 The Design of ESPM 4.1 Generating Optimal Placement Strategy 4.2 The Overview of ESPM 5 Experimental Analysis 5.1 Performance Evaluations on ESPM 6 Conclusion References Simulation of Software Reliability Growth Model Based on Fault Severity and Imperfect Debugging 1 Introduction 2 The Fault Levels Model 2.1 Level I SGRM 2.2 Level II SGRM 2.3 Level III SGRM 3 Model Comparison Criteria 3.1 The Fitting Effect Criterion 3.2 The Predictive Goodness Criterion 4 Model Simulation and Result Analysis 4.1 Data Set I 4.2 Data Set II 5 Conclusion References Research on Intelligent Recommendation Method of e-commerce Hot Information Based on User Interest Recommendation 1 Introduction 2 Intelligent Recommendation Method of Hot Information in E-commerce 2.1 Hot Spot Information Collection Method of e-commerce 2.2 User Interest Recommendation Algorithm 2.3 Hot Information can only be Recommended 3 Analysis of Experimental Results 4 Concluding Remarks References Research on the Optimization of E-commerce Logistics Model with User Interest Tracking: A Case Study of Japan 1 Introduction 2 Investigation on the Development of E-Commerce Logistics in Japan 3 E-commerce Logistics User Interest Tracking Model Optimization 4 Suggestions on the Optimization of E-commerce Logistics Mode 5 Empirical Analysis 6 Conclusion References A Novel Multi-objective Squirrel Search Algorithm: MOSSA 1 Introduction 2 Related Work 3 Background 3.1 Squirrel Search Algorithm 3.2 Basic Concept of NSGA-II 4 Design of MOSSA 4.1 Basic Concept of MOSSA 4.2 Random Initialization 4.3 Non-dominated Sorting 4.4 Grid Division 4.5 Fitness Mapping Function Design 4.6 Squirrel Migration 4.7 Seasonal Condition 4.8 Levy Flight 4.9 Merge Population 5 Simulation Results Analysis 5.1 Pareto Front Analysis 5.2 Analysis with Generational Distance (GD) 5.3 Analysis with Spacing Metric (SP) 5.4 Analysis with Diversity Metric (DM) 6 Conclusion References A GTAP Simulation-Based Analysis Method for Impact of the US Exit from WTO and China's Strategic Choice 1 Introduction 2 Simulation Scheme and Modeling Analysis 3 Simulation Results and Analysis 4 Conclusions References A Simulation Environment for Autonomous Robot Swarms with Limited Communication Skills 1 Introduction 2 A Model of Autonomous Robots 2.1 Autonomous Robots and Their Control 2.2 Cost Functions 2.3 Communication Model 2.4 Bandwidth Prediction 3 Structure of the Simulator 3.1 Structure of the Simulation Software 3.2 Graphical User Interface 3.3 Simulation Internals 3.4 Exploration Mission 3.5 Convoy Escorting Mission 3.6 MANET Mission 4 Experiments 4.1 Convoy Escorting 4.2 MANET 5 Conclusion References Strategic Provision of Trade Credit in a Dual-Channel Supply Chain 1 Introduction 2 Relevant Literature 3 Dual-Channel Supply Chain Without Trade Credit Service 3.1 Consumer Utility and Purchase Decision 3.2 Pricing Strategy of the Manufacturer When Retailer Has no Capital Constraint (i=o) 3.3 Pricing Strategy of the Manufacturer When Retailer Suffers Capital Constraint (i=c) 4 A Dual-Channel Supply Chain with Trade Credit Service (i=tc) 5 Numerical Simulation 5.1 Without Trade Credit 5.2 With Trade Credit 6 Conclusions References Remote Vehicular Control Network Test Platform 1 Introduction 2 Related Work 3 Architecture of Remote Driving 3.1 Network Architecture 3.2 Instruction Collection Design 3.3 Video Latency Test 4 Experiment 4.1 Remote Video Test 4.2 Control Experience Test 4.3 Remote Control Signal 5 Summary References How to Deploy Timer for Retransmission 1 Introduction 2 Alternative Retransmission Mechanism and Algorithm 2.1 Deploy Timer on Sender Side 2.2 Deploy Timer on Receiver Side 3 Simulation and Analysis 4 Conclusion References Benefit Optimization of SDN Honeynet System Based on Mimic Defense 1 Introduction 2 Problem Introduction 2.1 Theoretical Analysis of Mimic Honeynet 3 Simulation Results and Analysis 3.1 Basic Data Simulation 3.2 Anomaly Detection Mode 3.3 Misuse Detection Mode 3.4 System Best Profit 4 Conclusion References SDN Controller Scheduling Decision Mechanism Based on Mimic Defense Affects Safety 1 First Section 2 Problem Introduction 2.1 Safety of a Single Controller 2.2 Security Policy Decision Maker 2.3 Handling of Abnormal Controller 3 Simulation Results and Points Analysis 3.1 Experimental Environment 3.2 Experimental Evaluation 4 Conclusion References Use Cases for QoE Test in Heterogeneous Networks Scenarios 1 Introduction 2 Challenging for QoE in Heterogeneous Networks 3 Use Cases Analysis 3.1 User Case 1, Video Streaming 3.2 User Case 2, Wireless Audio Services 3.3 User Case 3, Mobile Bursty Data Service 4 Conclusion References A Massive MIMO User Selection Algorithm Based on Effective Capacity 1 Introduction 2 System Model 2.1 Spectral Efficiency of Massive MIMO 2.2 Effective Capacity Model 2.3 Spectral Effective Capacity of Massive MIMO 3 User Selection Algorithm 4 Simulation and Results 5 Conclusion References Effective Capacity Analysis on Communication of Blockchain Synchronization Software-Defined Industrial Internet of Things 1 Introduction 2 System Model 3 Simulation and Results 4 Conclusion References A Quantum Classifier Based Active Machine Learning for Intelligent Interactive Service 1 Introduction 2 Survey on Interactive Methods for Querying Information 3 Redesign Method Based on a Quantum Enclosure 4 Conclusions References Analysis on Relationship Between Fractional Calculus Fluid Model and Effective Capacity of Bursty Data Service in Multi-hop Wireless Networks 1 Introduction 2 System Model 3 Traffic Model Under QoS Constraint 4 Simulation and Results 5 Conclusion References Research of Image Dehazing Based on Image Gradient Distortion Prior 1 Introduction 2 Related Work 2.1 Prior Model 2.2 Gradient Distribution Model 2.3 Laplace Distribution Model 3 Image Defogging Algorithm 3.1 Priori Model Proposed 3.2 Proposed Model 4 Experimental Results and Analysis 4.1 Subjective Evaluation Analysis 4.2 Objective Evaluation and Analysis 5 Conclusion References Preconditioned Iteration Method for the Nonlinear Space Fractional Complex Ginzburg-Landau Equation 1 Introduction 2 A Finite Difference Scheme for the Fractional Equations 3 A Preconditioned Iterative Method for the Linearized Implicit Method 3.1 Toeplitz Matrix and GMRES Method 3.2 A Preconditioner for the Linearized Implicit Difference Scheme 4 Numerical Examples 5 Conclusion and Future Work References Design of Circular Polarization Array Antenna Based on Uniform Rotating Feed Network 1 Introduction 2 Structure of Array Circular Polarization Antenna 3 Antenna Production and Experiments 4 Conclusion References Simulation Analysis of the Impact of the Rural Financial Efficiency on the Rural Economic Fluctuations 1 Introduction 2 Model Construction 2.1 Rural Families 2.2 Final Township Enterprises 2.3 Intermediate Township Enterprises 2.4 Rural Financial Institutions 2.5 Monetary Authority 2.6 Market Equilibrium 3 Data Processing, Processing and Parameter Estimation 3.1 Data Source and Processing 3.2 Parameter Estimation 4 Simulation Result Analysis 4.1 Impulse Response of Technology Shock to Rural Output, Inflation, Consumption and Investment 4.2 Impulse Response of Cost Driven Shocks to Rural Output, Inflation, Consumption and Investment 4.3 Impulse Response of Monetary Policy Shock to Rural Output, Inflation, Consumption 5 Conclusions References Finding Good Mobile Sink Information Collection Paths with Quicker Search Time: A Single-Particle Multi-dimensional Search Algorithm-Based Approach 1 Introduction 2 Related Work 3 Single Particle Multi-dimensional Particle Swarm Optimization Algorithm 3.1 Algorithm Overview 3.2 Algorithm Flow 4 Analysis of Simulation Results 5 Conclusions References Information Intelligent Acquisition Generated by Matrix Reasoning of Inverse P-Set 1 Introduction 2 Literature Review 3 The Information Equivalence Class 4 Intelligent Acquisition Algorithm for Information Equivalence Classes 5 Application 6 Discussions and Conclusions References A New Modeling and Analysis Approach of Overseas Tax Reform Requirements 1 Introduction 2 Modeling Method for New Tax Reform 3 Problem Statements and Analysis Method 4 Simulation Experiments and Analysis 5 Conclusion References Exploring Users’ Temporal Characteristics of “Purchase and Comment” Behaviors Based on Human Dynamics 1 Introduction 1.1 Importance of Research on Temporal Characteristics of Users’ “purchase and Comment” Behaviors 1.2 Using Human Behavior Dynamics to Characterize the Temporal Characteristics of User Comment Behaviors 2 Relevant Works 3 Analysis of the Temporal Characteristics of “Purchase and Comment” Behaviors Based on Human Behavior Dynamics 3.1 Relevant Indicators for Analyzing the Temporal Characteristics of “Purchase and Comment” Behaviors 3.2 Characterization Methods for Time Characteristic Rules 3.3 Division Method of Time Interval Series 3.4 Experimental Plan for Analyzing the Temporal Characteristics of “Purchase and Comment” Behaviors 4 Experiment Results 4.1 Data Description 4.2 Analysis Results for the Temporal Characteristics of Purchase Behavior 4.3 Analysis Results for Temporal Characteristics of Comment Behaviors 4.4 Analysis Results for Temporal Characteristics of “Purchase and Comment” Behaviors 5 Conclusion 5.1 Temporal Characteristics of Consumer Purchase Behavior 5.2 Temporal Characteristics of Consumer Comment Behavior 5.3 Temporal Characteristics of Intervals for Consumer “Purchase-Comment” Behaviors References Enhanced Shortest Path Routing Algorithm for Named Data Mobile Ad-Hoc Network 1 Introduction 2 Related Work 3 NDMANET and Its Routing Algorithms 3.1 IP Based MANET 3.2 NDN Based MANET 3.3 NDMANET Routing Algorithms 4 Innovative Shortest Path Plus Backup Routing Algorithm 4.1 Design Principle 4.2 Implementation Details 5 Performance Evaluation 5.1 Developing Simulation Platform 5.2 Simulation Assumptions and Settings 5.3 Simulation Results 6 Conclusions References Modeling and Simulation of Computation Offloading at LEO Satellite Constellation Network Edge 1 Introduction 2 Related Work 3 System Modeling 3.1 Modeling Network Architecture 3.2 Modeling User Behavior 3.3 Modeling Network Applications 4 Designing and Implementing Simulation Platform 4.1 General Assumptions 4.2 Designing Principles 4.3 Implementations 5 Case Study: Comparative Performance Evaluation for Three Different Computation Offloading Schemes 5.1 Three Different Computing Offloading Schemes 5.2 Performance Metrics 5.3 Simulation Assumptions 5.4 Experimental Results 6 Conclusions References Simulation Design of Power Electronic Transformer with Dual-PWM 1 Introduction 2 Circuit Structure of Dual-PWM Power Electronic Transformer 2.1 DC Topology in PET 2.2 Overall Structure of PET 3 Control Topology Design of Power Electronic Transformer 3.1 Control Topology of the PWM Converter on the Input Side 3.2 Control Topology of the PWM Converter on the Output Side 4 Simulation Modeling and Results Analysis 4.1 Simulation Modeling 4.2 Simulation Result Analysis 5 Conclusions References Research and Development of Hydraulic Controlled Vibration Damper with Vibration Energy Absorption 1 Introduction 2 Self-tuning Hydraulic Vibration Energy Absorption 2.1 Basic Structure 2.2 Principles 2.3 Characteristics and Innovation Points 3 High-Power Hydraulic Emergency Energy Absorption for Multistory Parking Area 3.1 Structure Diagram of Hydraulic Energy Absorption Device Controlled by Analog Variables 3.2 Working Principles for Hydraulic Energy Absorption Device Controlled with Analog Variables 3.3 Characteristics and Innovation Points 4 Conclusions References Research on Influence Mechanism of e-WOM on Purchase of Followers in Virtual Community 1 Introduction 2 Model Building 2.1 The Influence of WOM Releaser 2.2 The Influence of Current e-WOM 2.3 Influence Factor Model 3 The Research Method 3.1 The Empirical Data 3.2 Research Variable 3.3 Building Model 4 Empirical Result and Discussion 4.1 Statistical Description 4.2 Logit Regression 5 Research Conclusion and Prospects 5.1 Research Conclusion 5.2 Theoretical Contribution and Practical Enlightenment 5.3 The Limitation of Research and Prospects References Modeling Interactions Among Microservices Communicating via FIFO or Bag Buffers 1 Introduction 2 Related Work 3 Asynchronous Communication Models 3.1 Asynchronous Communication Model with FIFO Buffers 3.2 Asynchronous Communication Model with Bag Buffers 4 Modeling Interactions 4.1 Modeling Interactions Among Microservices Under the Asynchronous Communication Model with FIFO Buffers 4.2 Modeling Interactions Among Microservices Under the Asynchronous Communication Model with Bag Buffers 5 Comparison of Two Asynchronous Communication Models 6 Implementation and Experiments 6.1 Implementation 6.2 Experiments 7 Conclusions References Multi-radio Relay Frequency Hopping Based on USRP Platforms 1 Introduction 2 Related Works 3 General Design of Relay System 3.1 System Physical Layer Design 3.2 Data Frame Structure Design 4 System Construction and Function Modules 4.1 System Construction 4.2 Function Modules 5 Principle and Implementation of Relay Frequency Hopping Transmission System 5.1 Design Principles of Relay Frequency Hopping 5.2 System Implementation 6 Physical Test Results 7 Conclusions References Motion Simulation of Rocket Based on Simulink 1 Introduction 2 Problem Analysis 3 Modeling and Simulation Methodology 3.1 Tracing System Modeling 3.2 Simulation Methodology 4 Simulation Results 5 Conclusions References Fault Diagnosis of Vertical Pumping Unit Based on Characteristic Recalibration Residual Convolutional Neural Network 1 Introduction 2 Fault Diagnosis Model of Vertical Pumping Unit Based on Feature Recalibration Residual Convolutional Neural Network 2.1 Model Structure 2.2 Residual Module 2.3 SE-Residual Module 2.4 Model Features 3 Experiment and Analysis 3.1 Data Source 3.2 Model Construction 3.3 Experiment and Analysis 4 Total Knots References Queue Regret Analysis Under Fixed Arrival Rate and Fixed Service Rates 1 Introduction 2 Related Work 3 System Model 4 Queue Regret Analysis 5 Simulation and Results 5.1 Algorithm 5.2 Simulation Parameters 5.3 Simulation Results 5.4 Analysis 6 Conclusion References Empirical Analysis of Dynamic Relationship Between Green Economy and Green Finance by VAR Model 1 Introduction 2 Literature Review 2.1 Green Economy 2.2 Green Finance 2.3 Green Economy and Green Finance 3 Sample Selection and Model Construction 3.1 Variable Selection 3.2 Constructing VAR Model 3.3 Data Sources 4 Empirical Analysis of the Dynamic Relationship Between Green Economy and Green Finance 4.1 Unit Root Test 4.2 VAR Model Estimation Results 4.3 Pulse Response Analysis Based on VAR Model 4.4 Analysis of Variance Decomposition Based on VAR Model 5 Conclusion and Policy Recommendation References An IoT Network Emulator for Analyzing the Influence of Varying Network Quality 1 Introduction 2 Related Work 2.1 Network Link Emulators (NLEs) 2.2 Virtual Network Emulators (VNEs) 3 Approach 4 Evaluation 4.1 Connection Quality Characteristics 4.2 Evaluation of Temporal Behavior Emulation 4.3 Threats to Validity 5 Conclusion References Detection of Moving Infrared Small Target Based on Fusion of Multi-gradient Filter and Vibe Algorithm 1 Introduction 2 Feature Analysis for Point Target Image 3 The Vibe Algorithm [3, 4] 3.1 Background Model Initialization 3.2 Extraction of Foreground Feature Map 3.3 Improvement of Model Update 4 Multi-gradient Filter 5 Image Fusion 6 Threshold Segmentation Method 7 Experimental Evaluation 7.1 Selection of Parameters 7.2 Quantitative Evaluation 8 Conclusion References Handwritten Uyghur Character Recognition Using Convolutional Neural Networks 1 Introduction 2 Related Work on Uyghur Character Recognition 2.1 Uyghur Characters 2.2 Previous Studies 3 Preprocessing 3.1 Point Insertion 3.2 Coordinate Range Normalization 3.3 Size Adjusting 4 Convolutional Neural Network Model 4.1 Convolutional Neural Networks-CNN 4.2 Model Architecture and Classification 5 Experiments and Discussion 5.1 Dataset and Configuration 5.2 Experiment Results 5.3 Error Analysis 6 Conclusion References Gravity Business Model Affection of One Belt – One Road Initiative 1 Introduction: Challenges for European Economy and Higher Education 2 Research Objectives 3 Research Questions 4 Literature Review 4.1 Gravity Model Application 4.2 Omni Channel Theory 4.3 Innovation 5 Research Methods 5.1 Sample and Data Source 5.2 Model Regression Results 6 Summary of the Students’ Answers 7 Conclusion References Moderating Effects of Agricultural Product Category Characteristics on Consumers’ Online Shopping Intention 1 Introduction 2 Literature Review 3 Model Assumptions and Experimental Design 4 Data Analysis 4.1 Preliminary Data Analysis 4.2 Econometric Model Evaluation 4.3 Structural Model Evaluation 5 Conclusion and Outlook 5.1 Analysis of Conclusion 5.2 Management Inspiration 5.3 Future Research References A Novel Luby Transform Code with Improved Ripple Size 1 Introduction 2 Review of the LT Codes 3 Proposed SF-DRS LT Code and Its Theoretical Analysis 3.1 SF-DRS Degree Distribution 3.2 Ripple Set Analysis 4 Simulation Result 5 Conclusion References Cross-border E-commerce Competitive Strategy Based on the Survey of Product Differentiation 1 Introduction 2 Summary of Related Research 2.1 Differentiation Strategy 2.2 Consumer Utility 3 Competitive Strategy Based on Product Differentiation 3.1 Model Parameters and Assumptions 3.2 Optimal Strategy Under the Centralized Model 3.3 Optimal Strategy Under the Decentralized Model 3.4 Comparative Analysis 4 Numerical Analysis 5 Conclusion References Image Denoising Method Based on Curvelet Transform in Telemedicine 1 Introduction 2 Fast Discrete Curvelet Transform 2.1 Fast Discrete Curvelet Transform Based on USFFT 2.2 Fast Discrete Curvelet Transform Based on Wrapping 3 Improved Image Denoising Algorithm 4 Simulation Experiment and Performance Analysis 5 Conclusion References Research on Image Segmentation of Complex Environment Based on Variational Level Set 1 Introduction 2 Variational Level Set Method 2.1 Level Set Method 2.2 C-V Variational Level Set Model 3 Improved Image Segmentation Model 4 Experiment and Analysis 5 Conclusion References Research on Recognition Method of Test Answer Sheet Based on Machine Vision 1 Introduction 2 Image Processing Based on Curvelet 3 Hough Algorithm for Deformation Correction 4 Option Identification and Judgment 4.1 Impurity Removal 4.2 Option Positioning and Marking 5 Conclusion References A Biomechanical Model and Simulation of Vertebral Support and Lumbar Spinal Discs in Student Backpacks 1 Introduction 1.1 Background Information 2 Method 2.1 Problem Description 2.2 Biomechanical Model 2.3 Biomechanical Simulation 2.4 Data Collection 2.5 New Design Prototype 3 Results 3.1 Data 3.2 Simulation Results 4 Discussion and Conclusions References The Influence of Enterprise Financing Structure in China on Business Performance—Simulation Analysis Based on the System Dynamics 1 Introduction 2 Literature Review 3 Introduction of System Dynamics Method and Model Construction 3.1 Introduction of System Dynamics Method 3.2 Model Construction 4 Model Verification and Simulation 4.1 Data Source 4.2 Model Verification 4.3 Simulation 5 Conclusions and Policy Recommendations References An Action of the Picard Group on Generalized Euler Classes 1 Introduction 2 The Representation of Ed(X; L) 3 Action of Picard Group on Ed(X; L) References Dynamical Analysis of a Predator-Prey Economic Model with Impulsive Control Strategy 1 Introduction and Background 2 The Research Model 3 Some Lemmas 4 Dynamical Analysis of (1) 5 Discussion 6 Summary References Ellipse Fitting Based on a Hybrid l1l2-Norm Algorithm 1 Introduction 2 The Hybrid l1l2-Norm Algorithm 2.1 Problem Statement 2.2 Solution of the Hybrid l1l2-Norm Algorithm 3 Experimental Results 4 Conclusions References Author Index