Multimedia Technology and Enhanced Learning: Third EAI International Conference, ICMTEL 2021, Virtual Event, April 8–9, 2021, Proceedings, Part II ... and Telecommunications Engineering)

This two-volume book constitutes the refereed proceedings of the 3rd International Conference on Multimedia Technology and Enhanced Learning, ICMTEL 2021, held in April 2021. Due to the COVID-19 pandemic the conference was held virtually. The 97 revised full papers have been selected from 208 submissions. They describe new learning technologies which range from smart school, smart class and smart learning at home and which have been developed from new technologies such as machine learning, multimedia and Internet of Things. Preface Conference Organization Contents – Part II Contents – Part I Intelligent Application in Education A Simple and Efficient Key Frame Recognition Algorithm for Sign Language Video 1 Introduction 2 Key Frame Selection Process Design 2.1 Serialization of Images 2.2 Grayscale of the Image 2.3 Removal of the Image Background 2.4 Difference Processing of Frames 2.5 Find Out the Minimum Frame Between Two Maximum Frames 2.6 Find the Best Frame in the Neighborhood of the Smallest Frame (Optional) 3 Extract Key Frames from Long Videos for Verification 4 Conclusion References Research on Dynamic Sign Language Recognition Based on Key Frame Weighted of DTW 1 Introduction 2 Literature Review 2.1 Sign Language Recognition Based on Data Glove 2.2 Sign Language Recognition Based on Computer Vision 3 Key Frame Weighted of DTW Method 4 Experimental Results and Discussions 5 Conclusion References An Optimized Seven-Layer Convolutional Neural Network with Data Augmentation for Classification of Chinese Fingerspelling Sign Language 1 Introduction 2 Dataset 2.1 Data Collection and Image Preprocessing 2.2 Data Preprocessing 3 Methodology 3.1 Convolutional Layer 3.2 ReLU Function 3.3 Pooling Layer 3.4 Batch Normalization 3.5 Dropout 3.6 Fully Connected Layer 3.7 Data Augmentation 4 Experiment Results 4.1 Experiment Setting 4.2 Structure of Proposed CNN 4.3 Statistical Analysis 5 Discussions 5.1 Comparison to Pooling Method 5.2 Effect of Data Augmentation 5.3 Comparison to State-of-the-Art Approaches 6 Conclusions References Similar Gesture Recognition via an Optimized Convolutional Neural Network and Adam Optimizer 1 Introduction 2 Dataset 3 Methodology 3.1 Convolutional Layer 3.2 Pooling Layer 3.3 ReLU 3.4 Batch Normalization 3.5 Dropout 3.6 Data Augmentation 3.7 Train Algorithms 4 Experiment Results 4.1 Structure of Proposed CNN 4.2 Statistical Analysis 5 Discussions 5.1 Effect of Batch Normalization and Dropout Layers 5.2 Effect of Data Augmentation 5.3 Training Algorithms Comparison 5.4 Comparison to State-of-the-Art Approaches 6 Conclusions References Development and Creation of Open Online Course Resources in Tourism Colleges from the Perspective of School-Enterprise Collaborative Education 1 Introduction 2 Establishment of an Online Course Team 3 Development and Creation of Online Course Resources 3.1 Basic Principles 3.2 Selection of Course Content 3.3 Creation of Course Resource Types 4 Discussion 4.1 Adhere to the Concept of School-Enterprise Collaborative Education 4.2 Create Three-dimensional Supporting Resources 4.3 Enhance Learner Stickiness 4.4 Create Fragmented Knowledge Points 4.5 Continuous Update through School-Enterprise Collaboration References Research on the Application of MOOC in O2O Teaching Model Innovation of Aesthetic Education in Higher Vocational Colleges 1 Research Background 2 Educational Advantages Under the Background of MOOC 3 The Application Status of MOOC in Aesthetic Education 4 Implementation Strategies for Effective Application of MOOC Teaching Under O2O Mode 4.1 Hierarchical Teaching, Teaching Students in Accordance with Their Aptitude 4.2 Online and Offline, Dual Teachers Complement Each Other 4.3 Process Evaluation, Focusing on Individuality 5 Improve the Guarantee Mechanism of MOOC Teaching Quality 5.1 The Role Positioning of Online and Offline Compound Teachers 5.2 Exploration of Aesthetic Education Resource Sharing in the Big Data Era 6 Summary References Design of Hospital Remote Consultation and Teaching System Based on Deep Learning 1 Introduction 2 Current Situation Analysis and Problems 2.1 Traditional Model 2.2 Understanding of Operation Teaching in Hospital 3 Construction Objectives 4 System Hardware Design 4.1 Development Environment 4.2 Database Installation and Configuration 4.3 Operating Environment Configuration 5 System Software Design 5.1 Medical Record Collection 5.2 Remote Consultation 5.3 Recommended by Consultant 5.4 Distance Education and Training 5.5 Medical Record Sharing 6 Experiment Analysis 6.1 Experiment Preparation 6.2 Comparison of Experimental Results 7 Conclusion References A Feasibility Analysis Model for Developing Wushu Sanda Courses in Universities Based on Deep Learning 1 Introduction 2 Feasibility Analysis Model Design of Wushu Sanda Course in Universities 2.1 Curriculum System and Operation of Training Objectives 2.2 Course Importance 2.3 Curriculum Factor Analysis 2.4 Analysis of Marginal Characteristics of Deep Learning 3 Experimental Demonstration Analysis 3.1 Experimental Computing Equipment 3.2 Experimental Calculation Process 4 Conclusion References Performance Evaluation Model of Wushu Sanda Athletes Based on Visual Signal Processing 1 Introduction 2 Construction of Evaluation Model of Wushu Sanda Athletes’ Performance 2.1 Contour Extraction of Sanda Athletes 2.2 Information Extraction of Wushu Sanda Athletes’ Expressive Force 2.3 Construction of the Evaluation System of Wushu Sanda Athletes’ Performance 3 Experimental Comparison 3.1 Comparison of Evaluation Time 3.2 Comparison of Evaluation Errors 3.3 Comparison of Rationality of Evaluation Results 4 Conclusion References Online Matching Method of News Communication Innovative Teaching Mode Driven by Artificial Intelligence 1 Introduction 2 News Communication Innovation Teaching Mode Online Matching Content Innovation 3 Teaching Characteristics of News Communication Talents Driven by Artificial Intelligence 4 Optimization of Teaching Mode Matching of News Communication 5 Conclusions References Motion Recognition System of Table Tennis Players Based on MEMS Sensor 1 Introduction 2 Hardware Design of Athlete Movement Recognition System 2.1 Select MEMS Sensor Chip 2.2 Design Hardware Connection Circuit 3 Software Design of Athlete Movement Recognition System 3.1 Processing Overlapping Action Recognition Signals 3.2 Implementation of Software Action Recognition 4 Simulation Experiment 4.1 Construction of Development Environment 4.2 Analysis of Experimental Results 5 Concluding Remarks References Open Sharing of Digital Education Training Resources Based on Machine Learning 1 Introduction 2 Design of Open Sharing Method of Digital Education Training Resources Based on Machine Learning 2.1 Building Training Resource Sharing and Collaborative Service Control Protocol 2.2 Shared Information Classification Based on Machine Learning 2.3 Achieve Resource Open Cloud Sharing 3 Experimental Study on Open Sharing Method of Digital Education Training Resources Based on Machine Learning 3.1 Experimental Data Set 3.2 Shared Response Time Experiment and Analysis 3.3 Memory Leak Probability Experiment and Analysis 4 Closing Remarks References Design of Basketball Shot Track Recognition System Based on Machine Vision 1 Introduction 2 Hardware Design of Basketball Shot Track Recognition System 2.1 ARM Processor 2.2 High-Precision Orientation Module 2.3 Power Conversion Module 3 Software Design of Basketball Shot Track Recognition System 3.1 Machine Vision Technology 3.2 Machine Datagram Format 3.3 Dip Sensor Subroutine 4 Data Comparison and Analysis 5 Conclusion References Design and Implementation of Mobile Learning System Based on Wireless Communication Technology 1 Introduction 2 Design Method of Mobile Learning System Based on Wireless Communication Technology 2.1 Mobile Learning System Hardware Design 2.2 Mobile Learning System Software Design 3 Experiment and Analysis 3.1 Experimental Preparation 3.2 Experimental Result 4 Conclusion References Mining Recessive Teaching Resources of University Information Based on Machine Learning 1 Introduction 2 Mining Recessive Teaching Resources of University Information Technology Based on Machine Learning 2.1 Design Data Mining Process 2.2 Optimize Data Mining Classification Methods 2.3 Improved Machine Learning Algorithm 3 Experiment 3.1 Experimental Environment Parameter Settings 3.2 Parameter Training 3.3 Experimental Results and Analysis 4 Closing Remarks References Networked Teaching System of College Basketball Course Based on Virtual Reality 1 Introduction 2 Hardware Design of Network Teaching System for Basketball Course in Colleges 2.1 Design of User Registration Module 2.2 Question Answering Module Design 2.3 Design of Student User Management Module 3 Software Design of Network Teaching System for Basketball Course in Colleges 3.1 Management of College Basketball Curriculum Resources 3.2 Design of Homework Management Program for Students’ Basketball Course 4 System Test 4.1 Testing Environment 4.2 System Performance Test 4.3 Test Conclusion 5 Conclusion References Research on Remote Online Teaching Assistant System Based on Human-Computer Interaction 1 Introduction 2 Design of Distance Online Teaching Assistant System Based on Human Computer Interaction 2.1 Hardware Design 2.2 Software Design 3 Experimental Verification 3.1 Experimental Design 3.2 Result Analysis 4 Conclusion References Towards the Automatic Generation of Pedagogical Conversational Agents from Lecture Slides 1 Introduction 2 Literatur Review 3 Requirement Analysis 4 System Components 4.1 Knowledge Extractor 4.2 Dialog Builder 4.3 Semantic Similarity 5 Features of the Pedagogical Conversational Tutor 5.1 List, Search, Suggest Topics, and Similar Content 5.2 Self Test of Lecture Content 6 Observations and Limitations References Research on the Fusion Pattern Recognition System Based on the Concept of Production Education Integration and Application of Generative Countermeasure Network 1 Introduction 2 Convergence Mode of Generating Confrontation Network 2.1 Text Generation Based on Recurrent Neural Network 2.2 Generation of Countermeasure Network Framework 2.3 Reinforcement Learning Parameter Adjustment 3 Pattern Recognition System Based on the Concept of Integration of Production and Education 3.1 Embedded Network Framework 3.2 EEPROM Chip 3.3 LD3320 Chip Circuit 4 Comparative Experimental Analysis 5 Conclusion References Design of Multimedia Learning Resource Recommendation System Based on Recurrent Neural Network 1 Introduction 2 Design of Multimedia Learning Resource Recommendation System 2.1 The Module of Learners’ Needs Retrieval and Representation 2.2 Learner Preference Representation Module 2.3 Recurrent Neural Network Training Module 2.4 Database Module 2.5 System Management Module 3 System Application Performance Test 3.1 Experimental Data Set Preparation 3.2 Experimental Environment Construction 3.3 Selection of Experimental Evaluation Index 3.4 Analysis of Experimental Results 4 Conclusion References Human/Medical Based Data Processing and Systems Research on Constructing Regional Telemedicine Imaging Diagnosis Center Based on Ctirix Technology 1 Introduction 2 Research Status 3 Status Analysis and Research Purpose 3.1 Status Analysis 3.2 Research Purpose 4 Technical Architecture 4.1 Model Design of Regional Imaging System 4.2 Citrix Virtualization Technology 5 Function Introduction 6 Summary References Research on Multi-agency Data Fusion Mode Under Regional Medical Integration 1 Introduction 2 Research Status 3 Research Purpose 3.1 Purpose of Research and Application 3.2 Characteristics of Multi-agency Data Fusion Model 4 Architecture Design 4.1 The Overall System Architecture is Divided into Five Levels 4.2 Network Data Structure 5 Key Technologies 5.1 Data Model 5.2 Main Patient Index 5.3 Master Data Management 6 Summary References Research on Brain Image Segmentation Based on FCM Algorithm Optimization 1 Introduction 2 Research Status 3 Introduction to the Image Processing Process 4 Key Technologies for Segmentation 4.1 Principle of FCM Algorithm 4.2 Based on KFCM Simulated Annealing Genetic Algorithm 4.3 KFCM Segmentation Based on Simulated Annealing Genetic Algorithm 5 Summary References Facial Expression Recognition via ResNet-18 1 Introduction 2 Dataset 3 Methodology 3.1 Convolution 3.2 Pooling 3.3 Batch Normalization 3.4 Rectified Linear Unit 3.5 ResNet-18 4 Experiment Result and Discussions 4.1 Statistical Analysis 4.2 Comparison with State-of-the-Art Approaches 5 Conclusion References Comparison of AWS and AZURE for COVID-19 Information Retrieval 1 Cloud Computing 2 Cloud Computing Techniques 2.1 Virtualization 2.2 Service-Oriented Architecture 2.3 Utility Computing 2.4 Grid Computing 2.5 Infrastructure as a Service (IAAS) 2.6 Software as a Service (SAAS) 2.7 (Platform as a Service) PAAS 3 Differences Between AZURE and AWS 3.1 The Design of the Two Runnable Systems 4 AWS 4.1 Pros of AWS 4.2 Cons of AWS 5 Azure 5.1 Pros of Azure 5.2 Cons of Azure 6 In Conclusion References Expression Recognition Algorithm Based on Infrared Image 1 Introduction 2 Algorithm 2.1 Face Extraction Model 2.2 Expression Recognition Model 3 Experiment and Result Analysis 3.1 Algorithm Renderings 3.2 Facial Expression Recognition Algorithm 4 Conclusion References The Study About the Emotional State and Physical Activity of Adolescents During the COVID-19 Epidemic 1 Introduction 2 Methods 2.1 Objects 2.2 Clinical Assessment 3 Results 3.1 Participant Characteristics 3.2 Emotion Scale 3.3 Physical Exercise Status at Different Age Groups 3.4 Correlation Between SAS and Physical Exercise 4 Discussion References Remote Consultation Information Mobile Phone Intelligent Display System Under Augmented Reality and Human-Computer Interaction 1 Introduction 2 System Design 2.1 Display Pattern Matching Algorithm 2.2 Linux System Framework 2.3 Augmented Reality Driven Development 2.4 Remote Consultation Information Transmission 2.5 UI Human-Computer Interaction Establishment 2.6 High Quality Display Driver Algorithm 3 Analysis of Experimental Demonstration 3.1 Experimental Mobile Terminal 3.2 Experimental Evaluation Method 3.3 Experimental Result 4 Conclusion References Design of Real Information Collection Model of Physical Fitness for the Elderly Based on Internet of Things Technology 1 Introduction 2 Design of Information Collection Model of Physical Fitness for the Elderly 2.1 Build an IoT Network Environment 2.2 Install Real Information Collection Equipment 2.3 Use IoT Technology to Drive the Acquisition Program 2.4 Determine the Content of Physical Fitness Information Collection for the Elderly 2.5 Real-State Information Collection, Transmission and Filtering Storage 3 Comparative Experiment Analysis 4 Conclusion References Track and Field Head Posture Error Correction System Based on Deep Reinforcement Learning 1 Introduction 2 Head Posture Error Correction System in Track and Field 2.1 Hardware Configuration Optimization of Head Posture Error Correction System in Track and Field 2.2 Software Processing Algorithm of Head Posture Error Correction System in Track and Field 2.3 Correction of Head Posture Errors in Track and Field 3 Analysis of Results 4 Concluding Remarks References Visual Imaging Method of 3D Virtual Scene Based on VR Technology 1 Introduction 2 3D Virtual Scene Visualization Imaging Method Based on VR Technology 2.1 Reduce Scene Complexity 2.2 Synthesis of 3D Virtual Viewpoint Structure 2.3 Visual imaging of 3D virtual scene 3 Experiment 3.1 Experiment preparation 4 Concluding remarks References Human Centered Computing in Digital Persona Generation 1 Introduction 2 Related Work 3 Approach 3.1 Technology 3.2 Cognitive Psychology and Ergonomics 3.3 Social and Organization Psychology 3.4 Design and Arts 3.5 Ethics 4 Outcome 5 Discussion 6 Experiment Results 7 Conclusion References Content-Based Image Retrieval Using Local Derivative Laplacian Co-occurrence Pattern 1 Introduction 2 Related Work 3 Laplacian of Gaussian, Local Derivative Pattern, and Gray-Level Co-occurrence Pattern 3.1 Laplacian of Gaussian 3.2 Local Derivative Pattern 3.3 Gray-Level Cooccurrence Matrix 3.4 Advantages of Local Derivative Laplacian Cooccurrence Pattern 4 The Proposed Method 4.1 Laplacian of Gaussian (LoG) Filtering 4.2 Computation of LDP Descriptors 4.3 Construction of Gray-Level Co-occurrence Matrix (GLCM) 4.4 Similarity Measurement 5 Experiment and Results 5.1 Performance Evaluation 5.2 Retrieval Results 5.3 Performance Comparison 6 Conclusion References Multi-spectral Image Filtering Algorithm Based on Convolutional Neural Network 1 Introduction 2 Multispectral Image Filtering Algorithm 2.1 Definition of Spectral Image Features Based on Convolutional Neural Network 2.2 Multi-spectral Image Registration Signal-To-Noise Ratio 2.3 Implementation of Mean Filtering for Multispectral Images 3 Analysis of Experimental Results 4 Conclusion References Interactive Virtual Reality Indoor Space Roaming System Based on 3D Vision 1 Introduction 2 Hardware System Design of Virtual Reality Indoor Space Roaming 3 Database Design of Virtual Reality Indoor Space Roaming System 4 Software Function Design of Virtual Reality Indoor Space Roaming System 4.1 3D Vision Technology to Create Indoor Space Virtual Scene 4.2 Determine the Three-Dimensional Virtual Reality Roaming Method 4.3 Roaming Path Planning in Indoor Space 4.4 Realize the Function of Interactive Virtual Reality Indoor Space Roaming 5 System Testing 5.1 System Development Tools and Test Environment 5.2 Select Interior Space Sample 5.3 System Testing Process 5.4 System Function Test 6 Conclusion References Multi-viewpoint Rendering Optimization of Indoor Scene Based on Binocular Vision 1 Introduction 2 Multi-Viewpoint Rendering Optimization Method of Indoor Scene Based on Binocular Vision 2.1 Get the Visual Relationship Between the Point Light Source and the Indoor Scene, and Plan the Lighting Effect 2.2 Set Rendering Points Based on Binocular Vision 2.3 Multi-viewpoint Rendering of Indoor Scenes 3 Experimental Study 3.1 Experiment Preparation 3.2 Light and Shadow Effect Test 3.3 Rendering Effect Test 4 Concluding Remarks References A New Confidence Propagation Algorithm for Regional Image Based on Deep Learning 1 Introduction 2 Regional Image Information Collection 3 Regional Image Similarity Calculation 4 Implementation of Confidence Spread Calculation of Regional Image 5 Experimental Comparison 5.1 Comparison of Computational Accuracy 5.2 Time Comparison 6 Conclusions References Feature Extraction Method of EEG Signal Based on Synchroextracting Transform 1 Introduction 2 Research Methods 2.1 Data Set Description 2.2 Data Preprocessing 3 EEG Signal Feature Extraction and Classification 3.1 Short-Time Fourier Transform 3.2 Synchroextracting Transform 3.3 Support Vector Machine 4 Analysis and Results 5 Conclusion References Human Cross-Border Alarm Detection Method Based on OpenPose 1 Introduce 2 Detection and Judgment 2.1 OpenPose 2.2 Judgment 2.3 Overall Framework 3 Experiments and Results 4 Conclusion References Design and Implementation of Disconnector Condition Monitoring System Based on Attitude Sensor 1 Introduction 2 Hardware Structure 2.1 Function of Attitude Sensor 2.2 Receiving Device Hardware Design 3 State Determination Algorithm of Disconnector 3.1 The State of Disconnector Switch Judgment 3.2 State Judgment Logic 4 Software Design 5 Conclusion References Author Index