Proceedings of the 8th China High Resolution Earth Observation Conference (CHREOC 2022): High Resolution Earth Observation: Wide Horizon, High Accuracy

Description

This proceedings has four thematic parts: advanced aerospace manufacturing technology, near space system and application technology, accurate perception technology of the earth, and collaborative fusion application technology. The CHREOCs (China High-resolution Earth Observation Conference) focus on the popular topics including military-civilian integration, the One Belt and One Road project, the transformation of scientific research achievements, and it also discusses the new ideas, new technologies, new methods, and new developments. The CHREOCs have effectively promoted high-level institutional mechanisms, technological innovation, and industrial upgrading in the high-resolution earth observation area, and arouse the influence of the national-sponsored major project.  All papers in this proceeding are from the 8th CHREOC, and most authors are the researchers and experts participating the state major project CHEOS. The papers are the extraction of research results and reflect the technique level and research direction of the field high-resolution earth observation. All articles have gone through the scientific and strict reviews for several rounds by the experts from the related fields, and therefore reflect the research level and technology innovation of the high-resolution field earth observation. It will be an informative and valuable reference for both academic research and engineering practice.  The year 2022 is the final year of high-resolution special projects. After more than ten years of construction, the task of high-resolution special projects has been basically completed, the core technology has been comprehensively breakthrough, and the typical achievements have been rapidly transformed, providing strong support for national security, national defense construction and national economic development. Contents 先进航天制造技术 Research on Digital Satellite Design Featuring On-Board Software in the Loop for on Orbit Management 1 Introduction 2 System Design of Digital Satellite 3 Digital Satellite Function Design 3.1 Virtual Computer for Software in the Loop 3.2 Simulation Model Based on Various Flows 3.3 Co-simulation Platform Based on DDS 4 Summary References High-Precision Directional Management Technology of Fengyun-4 Satellite with Multi-load and Multi-line of Sight 1 Summary 2 Research Status at Home and Abroad 3 Requirement of Directional Management Technology for Payloads 3.1 Accurate Directional Requirement 3.2 Satellite Platform Design 4 Key Technology and Application of High Precision Directional Management 4.1 Precision Planning and Test Technology of Satellite Dynamic Spectrum 4.2 High Precision Attitude Measurement and Determination Technology 4.3 High Precision Attitude Control Technology 4.4 Micro-vibration Measurement and Suppression Technology 4.5 Image Navigation and Registration Technology 5 Summary References Anti-interference of Direct Sequence Spread Spectrum System Based on Wavelet and Eigenvalue Decomposition 1 Introduction 2 DSSS System 3 Signal Model 4 Anti-interference Algorithm 4.1 Eigenvalue Decomposition 4.2 Wavelet Transform 4.3 Algorithm Process 5 Simulation 6 Conclusion References Orbit Optimization Technology for Multi-satellites Network Earth Observation 1 Introduction 2 Load Beam Center 3 Load Coverage Capability 4 Observation Design and Orbit Adjustment 5 Simulation Analysis 6 Conclusion References 临近空间系统与应用技术 Thermal Characteristics Analysis of Airship Based on Multi-node Model 1 Introduction 2 Thermodynamic Model of Stratospheric Airship 2.1 Solar Radiation Model 2.2 Long-Wave Radiation Model 2.3 Convection Model 2.4 Thermal Balance Equation 3 One-Dimensional Thermal Model Simulation of Stratospheric Airship Based on Multi-nodes Division 3.1 Simulation Parameter Settings 3.2 Simulation Results of Multi-node Temperature 3.3 Effect of Convection 3.4 Effect of Gas Leakage 4 Influence of Test Environment on Thermal Characteristics 4.1 Effect of Season 4.2 Effect of Cloud Cover 4.3 Effect of Geographical Environment 5 Summary References Analysis of Space Contamination Effect on the Detecting Data from “XY-1” Satellite 1 Introduction 2 Detecting Principle 3 Analysis of Original In-Orbit Detection Data 4 In-Orbit Detection and Data Correction Analysis 5 Conclusion References Thermosphere Neutral Densities at Dusk/Dawn Derived from Space-Borne Atmospheric Density Detectors 1 Introduction 2 Data and Methodology 2.1 Densities Derived from Space-Borne Atmospheric Density Detectors 2.2 Empirical Models 2.3 Methodology 3 Results and Discussion 4 Summary References 对地精确感知技术 Semi-automatic Annotation Method for Semantic Segmentation of Synthetic Aperture Radar Images 1 Introduction 2 Data and Methodology 2.1 The Experimental Data of GF-3 and CARSS 2.2 Auxiliary Semi-automatic Annotation Method 2.3 The Evaluation Indicators 3 Experiment and Discussion 4 Conclusion References Dominate Tree Species Classification on Large-Scale Mountainous Areas Using Voting Strategy-Based Ensemble Learning Method 1 Introduction 2 Materials and Methods 2.1 Study Area 2.2 Dataset 2.3 Time Series Construction 2.4 Classification 3 Results 3.1 Feature Importance Assessment 3.2 Tree Species Classification 3.3 Mapping of Dominant Tree Species 4 Discussion and Conclusions References A Radar Clutter Model Selection Method Based on Multi-layer Perceptron 1 Introduction 2 Theory and Method 2.1 Simulation Method of Generalized Statistical Models 2.2 The Optimal Model Selection Method of MLP 3 Experiments on Model Selection 3.1 The Training Process of Simulated Parametric Curves 3.2 Comparation of Model Selection Methods 4 Summary References Urban Surface Solid Waste Detection Based on UAV Images 1 Introduction 2 Method 2.1 Atrous Convolutional Group Based on Asymmetric Decomposition 2.2 Information Fusion Module Based on Semantic Flow 2.3 Network Architecture 3 Experiment 3.1 Datasets 3.2 Implementation Details 3.3 Result and Analysis 4 Summary References Image-Based Sliding Mode Attitude Control Research on Small Video Satellites 1 Introduction 2 Mathematical Modeling 2.1 Coordinate Frames 2.2 Perspective Projection Model 2.3 Attitude Dynamics Equation 2.4 Attitude Kinematics Equation 3 Error Solving 3.1 Error Quaternion 3.2 Error Angular Velocity 4 Control Law Design and Stability Analysis 4.1 Sliding Mode Controller Design 4.2 Stability Analysis 5 Simulation Verification 6 Conclusion References Optimization and Application of Lucy-Richardson Filter on Optical Remote Sensing Image Restoration 1 Introduction 2 Data Degradation Model and Lucy-Richardson Filter 2.1 Principle of Image Restoration and Degradation 2.2 Lucy-Richardson Filter Algorithm 3 Design of Remote Sensing Image Restoration Method 3.1 Estimation of Point Spread Function 3.2 Noise Suppression and Iteration Termination Condition 3.3 Remote Sensing Data Restoration Algorithm 4 Experiments and Simulations 4.1 Simulations 4.2 Experimental Tests 4.3 Analysis of Experimental Results 5 Conclusions References Hyperspectral Image Data Construction and Expansion Method of Ground Object 1 Introduction 2 Data Structure of Hyperspectral Image 3 Construction and Expansion of Hyperspectral Image Data of Ground Object 3.1 Spatial Dimension Data Expansion 3.2 Spectral Dimension Data Expansion 4 Conclusion References Quad-Polarimetric Reconstruction with Adaptive Volume Scattering Model from Compact PolSAR Data 1 Introduction 2 Relative Principles 3 The Adaptive Reconstruction Model for CP Data 3.1 Proposed Method 3.2 Adaptive Volume Scattering Model 4 Validation Experiment 4.1 Model Validation 4.2 Reconstruction Result 4.3 Result Discussion 5 Summary References A High-Precision Monolithic 3D Modeling Method Based on UAV Tilt Photography 1 Introduction 2 Three Dimensional Surround Route Planning and Design 2.1 Project Design 2.2 Route Planning 3 Realization Method of Building Model Monomer 4 Monomer Modeling Process 4.1 Building Contour Extraction Based on Tilt Photography Model 4.2 Obtain a Single Entity by Cutting Triangulation 5 Experiment and Analysis 5.1 Data Acquisition 5.2 Monomer Model Construction 5.3 Quality Analysis 6 Conclusion References SAR Image Classification by Combining Transformer and Convolutional Neural Networks 1 Introduction 2 Related Work 3 Network Combining CNN and Transformer 4 Experimental Results 5 Conclusion References Simulation of a Typical Meiyu Case Over the Yangtze-Huai River in a Record-Breaking Meiyu Period of 2020 1 Introduction 2 Data, Model and Experimental Design 3 Validation of Simulated Precipitation 4 Weather Characteristics and Analysis of Meiyu Period in 2020 4.1 Climate Background 4.2 Characteristics and Causes of Meiyu 5 Conclusions and Discussion References Hyperspectral Image Classification Based on 3D Calibrated Attention 1 Introduction 2 Methodology 2.1 Architecture of the Proposed 3DCANet 2.2 3D Calibrated Attention Module 3 Experimental Results and Analysis 3.1 Datasets and Evaluation Metric 3.2 Ablation Study 3.3 Performance Evaluation 4 Conclusion References 协同融合应用技术 Fine Registration of SAR and Optical Image Based on Improved Hausdorff Distance 1 Introduction 2 Methodology 2.1 Correcting the Nonlinear Distortion of the SAR Images 2.2 Selecting Feature Points 2.3 Using the Genetic Algorithm and the Improved Hausdorff Distance to Realize a Coarse Registration 2.4 Using Fourier Operator to Perform a Fine Image Registration 3 Registration Result and Evaluation 3.1 Registration Result 3.2 Evaluation of Registration Result 4 Conclusion References High Resolution Imagery-Based Statistical Analysis for Urban Rivers Extraction and Quality Classification—Case Study in Beijing District of China 1 Introduction 2 Materials and Methods 2.1 Subsection 2.2 Analysis Methods 3 Results 3.1 Water Extraction Maps 3.2 Separation of Different Water Quality 3.3 A Search for Indirect Interpretation Keys 3.4 Extraction of Green Alga 4 Discussion 5 Conclusions References Design and Implementation of a Target Characteristics Recommender System for Image Interpretation 1 Introduction 2 Framework Design 3 Technology and Method 3.1 Target Characteristics Retrieval 3.2 Target Image Recommendation 3.3 Target Image Interpretation 4 Recommendation Mechanism 5 System Construction 6 Conclusions References Application Research on Water Body Extraction of Gaofen-3 Polarimetric SAR Based on Deep Learning 1 Introduction 2 Main Research Contents and Results 2.1 Technical Methods 2.2 GF3 Polarization Data and Preprocessing 2.3 Training Samples 2.4 Water Extraction Network Model and Training 2.5 Model Inference and Accuracy Evaluation 3 Conclusion References A Study on Buildings Liveability Index Based on High Resolution Land Cover Data 1 Introduction 2 Methodology 2.1 Buildings Greening Rate 2.2 Greening Radiation Factor 2.3 Buildings Liveability Index 3 Dataset and Study Area 3.1 Land Cover Data 3.2 Land Surface Temperature 3.3 Study Area 4 Results and Analysis 4.1 Buildings and Vegetation Cover in Qingdao 4.2 Buildings Livability Index in Qingdao 4.3 Analysis of Suitable for Building in Non-buildings Areas in Qingdao 4.4 Correlation Analysis Between BII and UHI Intensity 5 Conclusion References Radiometric Cross-Calibration of GF1-B/C/D Satellite with Landsat-8 OLI 1 Introduction 2 Methodology 3 The Data Processing 3.1 The Satellite is Introduced 3.2 Calibration Site 3.3 Cross Calibration Data 4 Cross Radiation Calibration Results 5 Cross Calibration Coefficient Accuracy Verification 6 Conclusion References Validation of ZY1-02D Satellite Multispectral Sensor on-Orbit Radiometric Calibration Accuracy 1 Introduction 2 Zy1 02d Satellite Parameters 3 Accuracy Verification Method for on-Orbit Radiometric Calibration the Satellite is Introduced 3.1 Baotou Radiative Calibration Field 3.2 Surface Reflectivity Data 3.3 Atmospheric Parameter Acquisition 3.4 Visible NEAR-Infrared Camera VNIC Spectral Response Function 3.5 Radiative Transfer Simulation Computations of Incoming Pupil Radiance 3.6 Image Radiance Inversion 4 The Accuracy of on-Orbit Radiometric Calibration Verifies the Analysis Results 4.1 ZY1-02D Satellite Image Data 4.2 Visible Calibration Accuracy Verification Results of Near-Infrared Camera 5 Conclusion References Vibrational Frequency Analysis for the Ziyuan 3-02 Satellite Platform 1 Introduction 2 Hardware Fundamentals 2.1 Star Sensor 2.2 Inertial Gyroscope 3 Method 3.1 Extended Kalman Filter 3.2 General Polynomial Fitting 3.3 Fourier Transform 4 Experimental Results and Analysis 4.1 Experimental Data 4.2 Experimental Results 4.3 Result Analysis 5 Conclusion References Land Cover Change Information Extraction of Danjiangkou Wetland Based on GF1 Data and Softmax Algorithm 1 Research Area and Data 1.1 Overview of Research Area 1.2 Data and Sources 1.3 GF1 Satellite Data Preprocessing 2 Research Methods 2.1 Establish a Wetland Classification System 2.2 Wetland Extraction Based on Softmax Classification Algorithm 3 Results and Discussion 3.1 Analysis of Wetland Area Change 3.2 Classification Accuracy Evaluation 4 Conclusion and Prospect References Deep Learning-Based Matching of Sar Images with Optical Images 1 Introduction 2 Method and Principle 2.1 Feature Extraction and Detection 2.2 Optimization of Loss Function 2.3 Reduce False Match Points Use MAGSAC ++  2.4 Preventing Over-Fitting 2.5 Selection of Training Set 3 Results and Discussion 3.1 Test Data 3.2 Experimental Results and Analysis 3.3 Number of Correct Matching Points 4 Conclusions References A Fast Verification Method of Small Building Samples Using Deep Learning 1 Introduction 2 A Verification Method for Building Samples 2.1 Method 2.2 Algorithm Procedure 3 Experiment and Analysis 3.1 Experimental Data 3.2 Effects and Analysis 4 Conclusion References Template-Based Universal Adversarial Perturbation for SAR Target Classification 1 Introduction 2 Methodology 2.1 Input Template 2.2 GAN Architecture 3 Experiments and Analysis 3.1 Experimental Data and Classifier 3.2 Fooling Rate and Transferability Test 3.3 UAPs Illustration 4 Summary References Semantics-Based Analysis for Multi-source Remote Sensing Image Retrieval 1 Introduction 2 Related Work 2.1 Remote Sensing Image Feature Extraction 2.2 Remote Sensing Image Indexing 3 Proposed Approach 3.1 Visual Semantic Analysis Module 3.2 Spatio-Temporal Semantic Analysis Module 3.3 Multi-dimensional Semantic Indexing Module 4 Experimental Results and Discussion 4.1 Experimental Materials 4.2 Experimental Settings 4.3 Evaluation Metrics 4.4 Experimental Results 5 Conclusions References A High-Precision Orographic Dataset Suitable for Global Numerical Weather Prediction Spectral Models Was Developed Based on Earth Observation Data 1 Introduction 2 Methods and Datasets 2.1 Background 2.2 Earth Observation Datasets 2.3 Methods 3 Orography Processing Steps 3.1 The Pre-filter 3.2 The Smooth Operation 3.3 The Second Filter 3.4 The Spectral Transform 3.5 The Spectral Filtering 4 Summary References PolSAR Image Classification Based on Deep Features 1 Introduction 2 Boltzmann Machine 2.1 Restricted Boltzmann Machine 2.2 Contrastive Divergence 2.3 Deep Boltzmann Machine 3 Algorithm Processing 4 Experimental Results and Analysis 5 Conclusion References Research on Lake Changes in China Over the Past 50 Years Based on Satellite Remote Sensing Technology 1 Introduction 2 Research Area 3 Data and Method 3.1 Data 3.2 Method 4 Analysis 4.1 The Overall Change of Lakes Over the Past 50 Years 4.2 Change of Typical Lakes (Qinghai Lake) 5 Conclusion References Author Index