VR/AR and 3D Displays : First International Conference, ICVRD 2020, Hangzhou, China, December 20, 2020, Revised Selected Papers

This book constitutes selected and revised papers from the First International Conference on VR/AR and 3D Displays, ICVRD 2020, held in Hangzhou, China, in December 2020. The 12 full papers presented were thoroughly reviewed and selected from 29 submissions. The papers present recent serearch on virtual reality, augmented reality, 3D displays and related topics, including but not limited to human-computer interaction, near-eye displays, naked eye 3D displays, modeling, simulation, animation, and applications. Preface 6 Organization 7 Contents 8 Research on the Application of 3D Visualization of Marine Environmental Data in Underwater Sub-mersibles Route Planning 10 1 Introduction 10 2 Demand Analysis of 3D Visualization of Marine Environment Data 11 2.1 Basic Function Demand 11 2.2 Assistant Decision Function Demand 12 3 Marine Environment Data 3D Visualization Processing Technology and Assistant Decision Algorithm 12 3.1 Fast Access to Marine Environment Database 13 3.2 Contour Extraction and Visualization of 2D Scalar Field Based on GPU 15 3.3 Isosurface Extraction and Visualization of 3D Scalar Field Based on GPU 16 3.4 Pre-integration RayCast Visualization of 3D Data Field Based on GPU 17 3.5 Auxiliary Decision-Making Algorithms 17 4 Implementation of Marine Environment Data Application Software 19 5 Conclusion 21 References 21 Integral Imaging Tabletop 3D Display System Based on Compound Lens Array 23 1 Introduction 23 2 Principle 24 2.1 Integral Imaging Tabletop 3D Display System 24 2.2 Compound Lens Array 25 3 Experiments 26 4 Conclusion 28 References 29 High-Quality Facial Expression Animation Synthesis System Based on Virtual Reality 30 1 Introduction 30 2 Our Approach 32 2.1 System Framework 32 2.2 Facial Data Collection 33 2.3 Model Data Optimization 34 2.4 Data-Driven Facial Expression Animation 36 3 Experimental Results and Analysis 37 4 Conclusion 40 References 41 Performance Evaluation of 3D Light Field Display Based on Mental Rotation Tasks 42 1 Introduction 42 2 Method 44 2.1 Participants 44 2.2 Experimental Setup 44 3 Procedure 46 4 Results 47 4.1 Measurement Results 47 4.2 T-test Analysis 49 5 Conclusion 51 References 52 Large Horizontal Viewing-Angle Three-Dimensional Light Field Display Based on Liquid Crystal Barrier and Time-Division-Multiplexing 54 1 Introduction 54 2 Experimental Configuration 56 2.1 Design of the Optical Configuration 56 2.2 Image Coding and Process of TDM 57 2.3 Fill Factor Enhancement by the HFS and Resolution Enhancement by the TDM 59 3 Experimental Results 61 4 Conclusion 62 References 63 Extended-Depth Light Field Display Based on Controlling-Light Structure in Cross Arrangement 65 1 Introduction 65 2 Configuration 66 2.1 System Structure 66 2.2 Pickup and Coding Processes 68 2.3 Reconstruction Process 69 3 Experiment 71 4 Conclusion 73 References 74 Stereoscopic 3D Depth Perception Analysis of H.264/AVC Coded Video 75 1 Introduction 75 2 Subjective Experiments on Depth Perception 77 2.1 S3D Video Test Sequences 77 2.2 Experimental Setup and Procedure 79 2.3 Subjective Score Processing 80 3 Experimental Results and Analyses 81 4 Conclusion 84 References 85 AR Application Research Based on ORB-SLAM 87 1 Background 87 2 ORB-SLAM 88 3 Application of ORB-SLAM on AR 92 3.1 Principle of AR Technology 92 3.2 Description of SLAM Feature Points 93 3.3 3D Model Rendering 94 4 Conclusion 96 References 96 Virtual Reality App for ASD Child Early Training 98 1 Introduction 98 2 Motivation 99 3 Approach 100 3.1 Brief Introduction 100 3.2 VR and PC Displayer GUI 101 3.3 Character Setting 102 3.4 Scene Setting 102 4 Conclusion 108 References 109 Convolutional Neural Networks for Face Illumination Transfer 112 1 Introduction 112 2 Related Work 113 2.1 Face Image Illumination Transfer Based on Image Segmentation 113 2.2 Image Transfer Combined with Deep Nerual Network 114 3 Method 115 3.1 Dataset Preparation and Establishment 115 3.2 Illumination Classification 117 3.3 Illumination Matching 118 3.4 Illumination Transfer 120 4 Experiment Results 121 4.1 Illumination Classification Model Results and Analysis 121 4.2 Illumination Matching Results and Analysis 123 4.3 Illumination Transfer Results and Analysis 125 5 Conclusion 127 References 128 Modeling the Self-navigation Behavior of Patients with Alzheimer’s Disease in Virtual Reality 130 1 Introduction 130 1.1 Motivation 130 1.2 Background 131 2 Related Work 132 3 Approach 133 3.1 Architecture 133 3.2 Route-Based Navigation 136 4 Result 137 5 Conclusion 141 References 142 A Large-Scale VR Panoramic Dataset of QR Code and Improved Detecting Algorithm 146 1 Introduction 146 2 Related Work 147 3 A New Dataset for Detecting QR Code 149 3.1 Characteristics of Our Dataset 149 3.2 Evaluation Metrics 150 4 Our Methodology and Experiment 152 4.1 Our Methodology 152 4.2 Experimental Details 153 4.3 Performance 153 5 Conclusion and Future Work 155 References 156