
Computer and Computing Technologies in Agriculture XI
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The 100 revised papers included in the two volumes were carefully reviewed and selected from 282 submissions. They cover a wide range of interesting theories and applications of information technology in agriculture. The papers focus on four topics: Internet of Things and big data in agriculture, precision agriculture and agricultural robots, agricultural information services, and animal and plant phenotyping for agriculture.
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Content
- Intro
- Preface
- Organization
- Contents - Part II
- Contents - Part I
- Research and Application of Spark Platform on Big Data Processing in Intelligent Agriculture of Jilin Province
- Abstract
- 1 Introduction
- 2 Data Sources and Research Methods
- 2.1 Data Sources
- 2.2 Research Methods
- 2.2.1 Spark Cluster Computing Platform
- 2.2.2 The Characteristics and Advantages of Spark Platform Implementation
- 3 Experimental Results and Analysis
- 3.1 Comparison of Efficiency Test Between Spark and Hadoop
- 3.2 Real Time Processing of Big Data in Intelligent Agriculture
- 3.3 Results and Analysis
- 4 Conclusion and Prospect
- Acknowledgments
- References
- Summary of Agricultural Drought Monitoring by Remote Sensing at Home and Abroad
- Abstract
- 1 Introduction
- 2 The Background and Status of Drought Remote Sensing Monitoring Technology
- 3 Thermal Inertia Method
- 4 Vegetation Water Supply Index Method
- 5 Distance Vegetation Index Method
- 6 Microwave Remote Sensing
- 7 Conclusion
- References
- Research and Application of 3D Visualization Plug-in Integration with ArcGIS
- Abstract
- 1 Introduction
- 2 Visual Data Types and Preprocessing
- 2.1 Visual Data Type
- 2.2 Data Preprocessing
- 3 Construction of Plots Model
- 4 Development of 3D Visualization Plug-in Based on ArcGIS
- 4.1 ArcGIS Camera Plug-in Function
- 4.2 ArcGIS Camera Plug-in Preparation
- 5 Conclusion
- Acknowledgments
- References
- Growth and Spectral Characteristics of Grassland in Response to Different Soil Textures
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Test Materials and Varieties
- 2.2 Experimental Design
- 2.3 Measurements
- 2.3.1 Spectral Determination
- 2.3.2 Determination of the SPAD Value
- 2.3.3 Determination of Aboveground Biomass
- 2.3.4 Determination of Soil Dry Density and Water Content
- 2.4 Data Processing and Mapping
- 3 Results and Analysis
- 3.1 The Emergence Rate of Grass Species in Different Soil Textures
- 3.2 Plant Heights of the Grasses in Different Soil Textures and Periods
- 3.3 Soil Dry Density and Water Content of the Grasses in Different Soil Textures and Periods
- 3.4 Dry Weight of Grasses in Different Soil Textures and Periods
- 3.5 Relationship Between Dry Weight and Vegetation Index of Different Types of Grasses
- 3.6 Relationship Between Dry Weight and Vegetation Index of Different Types of Grasses
- 4 Conclusion and Discussion
- Acknowledgment
- References
- Soil Moisture Estimation by Combining L-Band Brightness Temperature and Vegetation Related Information
- Abstract
- 1 Introduction
- 2 Data Sources
- 2.1 Ground Sampling Data from SMAPEx-3
- 2.2 L-Band TB Data
- 2.3 Landsat 5 Thematic Mapper Data
- 3 Methods
- 3.1 Using Enhanced Vegetation Index as an Indicator of Vegetation Structure
- 3.2 Using Normalized Difference Infrared Index as an Indicator of VWC
- 3.3 Image Registration
- 3.4 Multivariate Linear Regression Modelling
- 3.5 Validation
- 4 Results
- 4.1 Multivariate Linear Regression Using the Combination of TB and EVI
- 4.2 Multivariate Linear Regression Using the Combination of TB and NDII
- 5 Discussion and Conclusions
- Acknowledgements
- References
- Study on Precision Fertilization Model Based on Fusion Algorithm of Cluster and RBF Neural Network
- Abstract
- 1 Introduction
- 2 Technology and Methods
- 2.1 RBF Neural Network Prediction Algorithm
- 2.2 FCM Clustering Algorithm Primary Network Center
- 2.3 Orthogonal Least Squares Optimization Center
- 3 Application of RBF Neural Network Fusion Algorithm in Precision Fertilization Decision of Maize
- 3.1 Experimental Data
- 3.2 Pretreatment of Training Samples
- 3.3 Construction of Fertilization Model
- 4 Conclusion
- Acknowledgments
- References
- Study on Three-Dimensional Data Acquisition of Crop Grains
- Abstract
- 1 Introduction
- 2 Material and Method
- 2.1 3D Data Acquisition Devices
- 2.2 Material
- 3 Result and Discussion
- 3.1 Evaluation of Data Acquisition Efficiency, Accuracy, and Post-processing
- 3.2 Volume Measurement
- 4 Conclusions
- Acknowledgements
- References
- An Agricultural Habitat Information Acquisition and Remote Intelligent Decision System Based on the Internet of Things
- Abstract
- 1 Introduction
- 2 Design of Architecture of the System
- 3 Design and Implementation of System Function
- 3.1 Design of Hardware Structure of Sub-node
- 3.2 Design of Software Structure of Sub-node
- 3.3 Design of Hardware Structure of Gateway Node
- 3.4 Design of Gateway Node Software Structure
- 4 Intelligent Decision Support Application System
- 5 System Experiment and Analysis
- 6 Conclusion
- References
- Comprehensive Evaluation of Soil Fertility in Yanzhou District Based on Principal Component Analysis
- Abstract
- 1 Introduction
- 2 General Situation of Study Region
- 3 Research Method
- 3.1 Determination of Study Scope
- 3.2 Sample Analysis
- 4 Data Processing and Analysis
- 4.1 Data Processing
- 4.2 Traditional Statistical Analysis of Soil Fertility
- 4.3 Principal Component Analysis
- 4.3.1 Extract Principal Component
- 4.3.2 Principal Component Score and Comprehensive Score
- 5 Conclusion and Discussion
- Acknowledgment
- References
- Advances in Monitoring Soil Nutrients by Near Infrared Spectroscopy
- Abstract
- 1 Introduction
- 2 Recent Research Status of in Monitoring Soil Nutrients by Near Infrared Spectroscopy
- 3 Conclusion
- 3.1 The Methods of Data Analysis in Different Regions Still Need to Be Explored
- 3.2 The Gap Processing of Spectral Data Between Different Years Still Needs to Be Explored
- 3.3 The General Modeling Method Between Different Years Still Needs to Be Explored
- References
- Microwave Mixing Technique for Nondestructive Measurement of Moisture Content of Particulate Agricultural Products
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Principle of Microwave Mixing Moisture Measurement
- 2.2 Microwave Measurement System
- 2.3 Sample Preparation
- 2.4 Measurement Procedure
- 3 Experimental Results
- 4 Conclusion
- Acknowledgment
- References
- China's Wine Import Industry: An Economic Analysis of Influencing Trade Factors
- Abstract
- 1 Introduction
- 2 Literature Review
- 3 An over Overview of Chinese Wine Market
- 4 Methods
- 5 The CMS Decomposition Results
- 5.1 Structural Effect
- 5.2 Competitive Effect
- 5.3 Second-Order Effect
- 6 Conclusions
- Acknowledgements
- References
- Three - Dimensional Visualization of Soil Nutrient Evolution in Maize Precision Operation Area Based on ArcGIS
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Overview of the Study Area
- 2.2 Data Collection
- 2.3 Research Methods
- 2.4 3D GIS Spatial Analysis Technique
- 2.4.1 Information Acquisition
- 2.4.2 ArcScene Three-Dimensional Model of the Establishment
- 3 The Results and Analysis
- 4 Conclusion
- Project Funding
- References
- Characteristics of the Warming Trend During Winter Wheat Growing Seasons in Jiangsu Province of China
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Data
- 2.2 Mann-Kendall Test for Temperature Trend Analysis
- 2.3 Yield De-trending
- 2.4 Correlation Analysis and Regression Analysis
- 3 Results
- 3.1 Temperature Trend
- 3.2 Correlation Between Yield and Temperature
- 3.3 Yield Responses to Temperature
- 4 Discussion and Conclusions
- Acknowledgments
- References
- Estimation of Leaf Nitrogen Concentration of Winter Wheat Using UAV-Based RGB Imagery
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Experiment Design
- 2.2 Acquisition and Preprocessing of UAV Digital Images and LNC
- 2.3 Digital Image Variable Selection
- 2.4 Methods and Statistical Analysis
- 3 Results and Analysis
- 3.1 Correlation Analysis Between LNC of Winter Wheat and Digital Image Variables
- 3.2 Establishment of Linear Regression Analysis Model
- 3.3 Establishment of Stepwise Regression Analysis Model
- 3.4 Optimal LNC Estimation Model Selection
- 4 Discussion
- 5 Conclusion
- References
- New NNI Model in Winter Wheat Based on Hyperspectral Index
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Study Area and Experimental Design
- 2.2 Data Acquisition
- 2.2.1 Biomass and N Concentration Data
- 2.2.2 Hyperspectral Data
- 2.3 Spectral Indices
- 2.4 Data Analysis
- 3 Results and Analysis
- 3.1 Plant N Concentration and Above Ground Biomass Under Different N Level
- 3.2 Nc in Winter Wheat
- 3.3 Performance of the Vegetation Index NNIvi Based on Nvic
- 4 Conclusions
- Acknowledgments
- References
- Fruit Trees 3D Data Acquisition and Reconstruction Based on Multi-source
- Abstract
- 1 Introduction
- 2 Fruit Tree Morphology and Structure Characteristics
- 2.1 Axial Structure
- 2.2 Leaf Curtain
- 2.3 Phenological Phase
- 3 Method
- 3.1 Data Acquisition Process
- 3.2 Data Fusion and Modeling
- 3.2.1 Fruit Tree Skeleton Extraction Based on Point Cloud
- 3.2.2 Coding Representation of Canopy Topology
- 3.2.3 The Linear Relationship Model of New Branches and Leaves
- 3.2.4 Multi-source Data Fusion Modeling
- 4 Result
- 4.1 Visualization Effect
- 4.2 Accuracy and Efficiency
- 5 Conclusions
- Acknowledgements
- References
- Comparison of Remote Sensing Estimation Methods for Winter Wheat Leaf Nitrogen Content
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Experimental Design
- 2.2 Data Collection
- 2.2.1 Canopy Spectrometry Collection
- 2.2.2 LNC Determination
- 2.3 Spectral Index Selection
- 2.4 Data Analysis
- 2.5 Accuracy Evaluation
- 3 Results and Analysis
- 3.1 Correlation Between Spectral Index and LNC
- 3.2 Selective Preference of Spectral Index
- 3.3 Construction and Verification of LNC Estimation Model for Winter Wheat
- 3.4 Robustness Test of LNC Estimation Model for Winter Wheat
- 4 Conclusions
- Acknowledgments
- References
- Design and Implementation of the Wheat Population Nutrition Detection System
- Abstract
- 1 Introduction
- 2 The Overall System Design Framework
- 2.1 The Three-Tier Architecture of the System
- 2.2 The Main Process Design System
- 2.3 System Main Function Modules
- 3 Implementation and Application of System
- 3.1 Developing and Operating Environment
- 3.2 System Implementation
- 3.2.1 Image Processing System Working Method
- 3.2.2 Decision Support System
- 3.2.3 System Database
- 3.3 System Application
- 4 Conclusion
- Acknowledgement
- References
- Hyperspectral Estimation Methods for Chlorophyll Content of Apple Based on Random Forest
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Overview of the Study Area
- 2.2 Leaf Sampling and Spectrophotometry
- 2.3 Determination of Chlorophyll Content in Apple Leaves
- 2.4 Methods
- 2.4.1 Vegetation Index Selection
- 2.4.2 Random Forest
- 2.5 Statistical Analysis
- 3 Result and Analysis
- 3.1 Correlative Analysis of Chlorophyll Content and Spectrum in Leaves
- 3.2 RF Model Based on Original Spectrum
- 3.3 Screening of Vegetation Index
- 3.4 Random Forest Optimal Model
- 3.5 Estimation and Verification of Chlorophyll Content
- 4 Conclusion
- Acknowledgments
- References
- Improving Design of a PVDF Grain Loss Sensor for Combine Harvester
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Fabrication of the PVDF Sensor
- 2.2 Conditioning Circuit
- 2.3 Bandpass Filter Circuit
- 2.4 Self-adaptive Voltage Compactor
- 2.5 Counting and Communication
- 2.6 Software Design of the System
- 3 Results and Discussion
- 3.1 Sensor Reliability Test
- 3.2 Discriminability of the Different Material
- 4 Conclusions
- Acknowledgment
- References
- Maize Precision Farming Parallel Management Technology and Its Application in Northeast China
- Abstract
- 1 Introduction
- 2 Technical Specifications for Parallel Management of Maize Precision Farming
- 2.1 Management Process
- 2.2 Model System
- 2.3 Digital Support Environment Construction
- 3 The Maize Precision Farming Parallel Management's Application in Heilongjiang Province
- 4 Conclusions
- Acknowledgements
- References
- Research on Vegetation Ecologic Quality Index of Rocky Desertification in Karst Area of Guangxi Province Based on NPP and Fractional Vegetation Cover Since 2000
- Abstract
- 1 Introduction
- 2 Study Area and Data Used
- 2.1 Study Area
- 2.2 Data List
- 3 Methodology
- 3.1 NPP Calculate
- 3.2 Fractional Vegetation Cover Calculate
- 3.3 Vegetation Ecologic Quality Index Calculate
- 4 Result and Discussion
- Acknowledgements
- References
- Estimation of Leaf Nitrogen Content of Winter Wheat Based on Akaike's Information Criterion
- Abstract
- 1 Introduction
- 2 Material and Method
- 2.1 Overview of the Study Area
- 2.2 Leaf Spectrum Determination
- 2.3 Leaf Nitrogen Content Determination
- 2.4 Method
- 2.4.1 Selection of Vegetation Index
- 2.4.2 Variable Importance Projection
- 2.4.3 Akaike's Information Criterion
- 2.4.4 Partial Least Squares
- 2.4.4 Partial Least Squares
- 2.5 Accuracy Verification
- 3 Results and Analysis
- 3.1 Analysis of VIP Between Vegetation Index and LNC of Winter Wheat
- 3.2 Selection of Optimal LNC Estimation Model for Wheat
- 3.3 Verification of Optimal LNC Model for Winter Wheat
- 4 Conclusion
- Acknowledgments
- References
- Monitoring of Winter Wheat Biomass Using UAV Hyperspectral Texture Features
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Study Area
- 2.2 Field Measurements
- 2.3 Hyperspectral Data and Pre-processing
- 2.4 Methods
- 3 Results
- 3.1 Selection of Texture Bands
- 3.2 Correlation Analysis Between Texture Features and Biomass
- 3.3 Biomass Estimation Model by Single Texture Feature
- 3.4 Biomass Estimation Model by Multiple Texture Features
- 3.5 Thematic Map of Winter Wheat Biomass
- 4 Conclusions
- Acknowledgments
- References
- Reconstruction and Body Size Detection of 3D Sheep Body Model Based on Point Cloud Data
- Abstract
- 1 Introduction
- 2 Point Cloud Data Collection of Sheep Body
- 2.1 Composition and Principle of Three-Dimensional Laser Scanner
- 2.2 Composition and Principle of Three-Dimensional Laser Scanner
- 3 Data Pretreatment and 3D Reconstruction of Sheep Body
- 3.1 Point Cloud Data Denoising
- 3.2 Point Cloud Data Reduction
- 3.3 Sheep Body Three-Dimensional Reconstruction
- 4 Parameter Extraction and Analysis of Sheep Body
- 4.1 Method of Parameter Extraction
- 4.2 Results Analysis of Parameters
- 5 Conclusions
- Acknowledgements
- References
- Research on Irrigation System of Limited Water Supply for Soybean Crops in Shanxi Province
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Selection of Soybean Experiment
- 2.2 Test Processing Design
- 2.3 Field Operation Management
- 2.4 Meteorological Conditions of Soybean
- 2.5 Soil Moisture Determination
- 2.6 Irrigation Situation
- 2.7 Field Observation Survey
- 2.8 Basic Parameters
- 3 Formulation of Soybean Quota Irrigation System
- 3.1 Frequency Calculation
- 3.2 Calculation of Crop Water Requirement
- 3.3 Determination of Crop Water Production Function
- 3.4 Determination of Irrigation Time
- 4 Conclusion
- References
- Development and Application of Hyperspectral Remote Sensing
- Abstract
- 1 Introduction
- 2 The Development of the Hyperspectral Remote Sensing
- 2.1 Airborne Hyperspectral Remote Sensing
- 2.2 Spaceborne Hyperspectral Remote Sensing
- 3 The Characteristics of Hyperspectral Remote Sensing Images
- 4 The Imaging Mode of Hyperspectral Remote Sensing
- 5 Processing and Analysis Technique of Hyperspectral Data
- 5.1 Dimensionality Reduction of Hyperspectral Data
- 5.2 Classification of Hyperspectral Images
- 6 The Application of the Hyperspectral Remote Sensing
- 6.1 Plant Ecology Surveying
- 6.2 Atmospheric Environmental Assessment
- 6.3 Geological Prospecting
- 6.4 Water Quality Monitoring
- 6.5 Military Applications
- 7 Conclusion
- Acknowledgements
- References
- Study on Spatial Distribution Characters of Rubber Yield and Soil Nutrients in Guangba Farm of Hainai Province
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Study Area
- 2.2 Data Collection
- 2.3 Analyses Method and Software
- 3 Results
- 3.1 Analysis Rubber Yield and Soil Nutrients
- 3.2 Analysis Spatial Distribution Characters of Rubber Yield and Soil Nutrients
- 3.3 Analysis the Potential Balance of Soil Nutrients in the Rubber Plantation
- 4 Discussion
- 5 Conclusion
- Funding Information
- References
- The Environment Intelligent Monitoring and Analysis for Enclosed Layer House with Four Overlap Tiers Cages in Winter
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 The Hen House Structure and Building Parameters
- 2.2 The Intelligent Environmental Monitoring Device
- 2.3 The Design of Environmental Monitoring Experiment
- 2.4 Statistical Analysis
- 3 Results and Discussion
- 3.1 Analysis of Environmental Quality and Laying Performance in Longitudinal Measuring Points
- 3.2 Analysis of Environmental Quality and Laying Performance in Transverse Measuring Points
- 3.3 Correlation Analysis of Henhouse Environmental Quality
- 4 Conclusions
- Acknowledgments
- References
- Research and Realization of Winter Wheat Yield Estimation Model Based on NDVI Index
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Overview of the Study Area
- 2.2 Research Design
- 2.3 Instrument Introduction
- 2.4 Determination Method
- 2.4.1 Spectral Data
- 2.4.2 Normalized Difference Vegetation Index
- 2.4.3 Yield
- 2.5 Model Accuracy Evaluation
- 2.5.1 Validation Techniques
- 2.5.2 Coefficient of Determination
- 2.5.3 Root Mean Square Error
- 2.6 Statistical Analysis
- 3 Results and Analysis
- 3.1 The Relationship Between the Length and Reflectivity of Different Plots of Winter Wheat in Different Bands
- 3.2 A Functional Model for Measuring NDVI Index of Yield and Whole Growth Period Was Established
- 3.3 Verification of Function Model
- 4 Conclusion
- Acknowledgments
- References
- Study on Vegetation Classification Based on Spectral Knowledge Base
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Experimental Design and Data Acquisition
- 2.2 Features Extraction
- 2.3 Classification Algorithm
- 3 Results
- 3.1 Classification with VIs
- 3.2 Classification with Spectral Shape Features
- 4 Discussions
- 5 Concluding Remarks
- Acknowledgements
- References
- Hyperspectral Estimation of Nitrogen Content in Winter Wheat Leaves Based on Unmanned Aerial Vehicles
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Brief Introduction of Research Area
- 2.2 Experimental Design
- 2.3 Data Acquisition and Processing
- 2.3.1 Leaf Nitrogen Content Data Acquisition
- 2.3.2 Hyperspectral Data Acquisition
- 2.4 Method
- 2.4.1 Vegetation Index Selection
- 2.4.2 Partial Least Squares Method
- 2.5 Statistical Analysis
- 3 Data Processing and Analysis
- 3.1 Analysis of Correlation Between Original Spectrum and Leaf Nitrogen Content
- 3.2 Analysis of Correlation Between First Derivative of Spectrum and Leaf Nitrogen Content
- 3.3 Analysis of Correlation Between NDSI and Leaf Nitrogen Content
- 3.4 Analysis of Correlation Between RSI and Leaf Nitrogen Content
- 4 Model Building and Accuracy Analysis
- 4.1 Model Building
- 4.2 Model Validation
- 5 Conclusions
- Acknowledgments
- References
- Quantification of Root Anatomical Traits in RGP Transgenic Maize Plants Based on Micro-CT
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Plant Materials and Growth Conditions
- 2.2 Image Acquisition and Analysis
- 3 Results
- 3.1 Micro-CT Image Acquisition
- 3.2 Quantification of Root Anatomical Traits
- 4 Discussion and Conclusions
- Acknowledgements
- References
- Effects of Exogenous Gamma-Aminobutyric Acid on Absorption and Regulation of Ion in Wheat Under Salinity Stress
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Plant Materials and Treatment
- 2.2 Analysis of Na+ and K+
- 2.3 Measurements of Net K+ and Na+ Fluxes with SIET
- 3 Results
- 3.1 Effects of Exogenous GABA on Growth of Wheat Seedlings and Roots Under Salt Stress
- 3.2 Effects of GABA on Accumulation of Dry Matter in Wheat and Water Content in Leaves Under Normal Conditions and Salinity Stress
- 3.3 Exogenous GABA Changes in Content of K+ and Na+ in Roots and Leaves of Changwu134, Zhouyuan936 and Chinese-Spring Under Salinity Stress
- 3.4 Effects of Exogenous GABA on K+ Fluxes in Roots of Changwu134, Zhouyuan9369 and Chinese-Spring Under Salinity Stress
- 3.5 Effects of Exogenous GABA on Na+ Fluxes in Roots of Changwu134, Zhouyuan9369 and Chinese-Spring Under Salinity Stress
- 4 Discussion
- 5 Conclusion
- Acknowledgements
- References
- Development of Portable Dynamic Ion Flux Detecting Equipment
- Abstract
- 1 Introduction
- 2 Basic Principle of the Dynamic Ion Flux Detection Equipment and System Scheme Design
- 2.1 Basic Principle of the Dynamic Ion Flux Detection Technique
- 2.2 System Scheme Design
- 2.3 Hardware Design
- 2.3.1 System Structure
- 2.3.2 Hardware Components and Functions
- 2.4 Software Design
- 2.4.1 System Software Design
- 2.4.2 Hardware Control and Data Gathering of the System
- 3 Verification of Results of the Dynamic Ion Current Testing Equipment and Commercial Ion Current Detection Instrument
- 3.1 Verification Method and Content
- 3.2 Validation Results
- 4 Results and Discussion
- Acknowledgments
- References
- Study on Intelligent Monitoring Technology for Composting of Agricultural and Livestock Wastes
- Abstract
- 1 Introduction
- 2 The Design of Monitoring Systems
- 2.1 The Hardware Design
- 2.2 The Software Design
- 3 Design of Composting Monitoring Experiments
- 4 Results and Discussion
- 5 Conclusions
- Acknowledgments
- References
- Optimization and Simulation of Fertilizer Guide Device Parameters Based on EDEM Software
- Abstract
- 1 Introduction
- 2 Structure and Principle
- 3 Key Component Parameter Designing
- 4 Simulation Experiment of Parameter Optimization for Fertilizer Device
- 4.1 Simulation Parameter Setting
- 4.2 Simulation Analysis and Parameter Optimization
- 5 Conclusion
- Acknowledgement
- References
- Development of an Automated Guidance System for Tracked Combine Harvester
- Abstract
- 1 Introduction
- 2 Experiments and Methods
- 2.1 Kinematics Model and the Navigation System
- 2.2 The Electro-Hydraulic System for Steering Control
- 2.3 The Motor-Driven Speeder
- 2.4 Path Planning
- 2.5 Navigation Control Process
- 2.6 Auxiliary Control Function
- 3 Results and Discussion
- 3.1 Effect of Conventional Path Planning and Improved Turning Method
- 3.2 Control Method for Rubber Track
- 3.3 Parameters of PID Control
- 4 Conclusions
- Acknowledgment
- References
- Research on the Internet of Things Platform Design for Agricultural Machinery Operation and Operation Management
- Abstract
- 1 Introduction
- 2 Status and Problems of Operation and Maintenance of Agricultural Machinery at Home and Abroad
- 3 The Overall System Architecture
- 4 Agricultural Machinery Operation and Maintenance Management Technology Road the Map and the Core of the Two Model Design
- 4.1 Key Technical Solutions and Implementation Methods
- 4.2 Design of Monitoring Platform for Agricultural Machinery
- 4.3 Intelligent Management System for Agricultural Machinery Operation and Operation Based on Big Data Intelligent Cloud Platform
- 5 Conclusion
- Acknowledgements
- References
- Understanding the Consumer Satisfaction of the "Last-Mile" Delivery of E-Business Services
- Abstract
- 1 Introduction
- 1.1 Development of E-Business and Express Delivery Industry in China
- 1.2 Development of the "Last Mile"
- 1.3 Jinlinbao Express
- 2 The Problems of the "Last Mile" Delivery
- 2.1 Low Quality of Distribution Services
- 2.2 Low Traceability of Distribution Information
- 3 Kano Model
- 4 Design of Duestionnaire and the Investigation of Consumers
- 4.1 Design of Questionnaire
- 4.2 The Distribution and Collection of Questionnaire
- 4.3 The Analysis of Reliability of Questionnaire
- 5 Results and Discussion
- 5.1 Results
- 5.2 Discussion
- 6 Conclusions
- References
- The State of Motion Stereo About Plant Leaves Monitoring System Design and Simulation
- Abstract
- 1 Introduction
- 2 System Design
- 2.1 Composition and Function of the System Hardware
- 2.2 Principle of Binocular Stereo Vision
- 2.3 Image Processing Algorithm
- 2.3.1 Image Acquisition and Preprocessing
- 2.3.2 Marker Extraction
- 2.3.3 Markers of Sub-pixel Refinement
- 3 Measurement and Result Analysis of Motion Information of Maize Leaf
- 3.1 Measurement Accuracy Analysis
- 3.2 Corn Leaf Growth Monitoring
- 3.3 Corn Leaf Movement Monitoring in One Day
- 4 Conclusions
- References
- Research on Agricultural Scientific and Technological Information Dissemination System Based on Complex Network Technology
- Abstract
- 1 Introduction
- 2 The Complex Network Characteristic of the Dissemination of Scientific and Technological Information of Agriculture
- 2.1 Distribution of the Degree of Network
- 2.2 The Average Path Length
- 2.3 Clustering Coefficient
- 3 The Role of Complex Network Technology in the Dissemination of Scientific and Technological Information of Agriculture
- 3.1 Degree Centrality
- 3.2 Betweenness Centrality
- 3.3 Relationship Strength
- 4 Conclusion
- Acknowledgements
- References
- An Illumination Invariant Maize Canopy Structure Parameters Analysis Method Based on Hemispherical Photography
- Abstract
- 1 Introduction
- 2 Materials and Methods
- 2.1 Hemisphere Image Acquisition Device and Method
- 2.2 Hemisphere Image Processing Process
- 2.3 Multiple-Exposure Image Fusion
- 2.4 Light Radiation Intensity Image Map
- 2.5 Hemisphere Image Calculating Leaf Area Index and Average Leaf Inclination Angle
- 3 Results and Analysis
- 4 Discussion
- 5 Conclusion
- Acknowledgemet
- References
- Application of DBSCAN Algorithm in Precision Fertilization Decision of Maize
- Abstract
- 1 Introduction
- 2 DBSCAN Algorithm
- 2.1 DBSCAN Algorithm Concepts
- 2.1.1 Directly Density-Reachable
- 2.1.2 Density-Linked
- 2.2 DBSCAN Algorithm Progress
- 3 Maize Precision Fertilization
- 3.1 Data Acquisition
- 3.2 Data Standardization
- 3.3 Soil Fertility Grading
- 3.4 Calculation of Fertilizer Application
- 4 Conclusions
- Acknowledgment
- References
- Location and Recognition Fruit Trees Based on Binocular Stereo Vision
- Abstract
- 1 Introduction
- 2 Real - Time Precision Target System
- 3 System Calibration
- 4 Location
- 5 Binocular Matching
- 5.1 SIFT Feature Point Matching Algorithm
- 5.2 Improved Stereo Matching Strategy
- 5.3 Key Feature Point Matching Contrast Experiment
- 5.4 Binocular Stereo Vision Experiment
- 5.5 Test Results and Discussions
- Acknowledgement
- References
- The Realization of Pig Intelligent Feeding Equipment and Network Service Platform
- Abstract
- 1 Introduction
- 2 System Composition
- 3 Pig Intelligent Feeding Equipment
- 3.1 Hardware of Pig Intelligent Feeding Equipment
- 3.2 Software Process of Pig Intelligent Feeding Equipment
- 4 Pig Network Service Platform
- 4.1 Network Service Platform Structure
- 4.2 Reasoning and Decision-Making
- 5 Experiment
- 5.1 Feeding Accuracy Experiment for Pig Feeding Equipment
- 5.2 Reasoning and Decision-Making Test
- 6 Conclusion
- Acknowledgment
- References
- Improvement of Regional Spatial Interaction Based on Spatial Traffic System Accessibility: A Case Study in Shandong Province, China
- Abstract
- 1 Introduction
- 2 Reconstructing the Gravitation Model for Urban Spatial Interaction
- 3 The Processing of Measuring Urban Spatial Interaction
- 3.1 Quality of Urban Integrated Assessment Model
- 3.2 Correction of the Coefficient for Urban Influence
- 3.3 Measuring the Impact of the Economic Distance Among Cities
- 4 Results and Analysis
- 5 Discussion and Conclusions
- Acknowledgements
- References
- Research on the Key Techniques of Semantic Mining of Information Digest in the Field of Agricultural Major Crops Based on Deep Learning
- Abstract
- 1 Introduction
- 2 The Relevant Theories of This Semantic Mining Research
- 2.1 Recursive Neural Network
- 2.1.1 Simple Recursive Neural Network
- 2.1.2 LSTM
- 2.1.3 Seq2seq (Sequence to Sequence)
- 2.2 Attention Mechanism
- 3 Research Methodology of Semantic Mining on Agricultural Major Corps
- 4 Model Experiment
- 4.1 The Corpus of Agricultural Science and Technology Information and Its Processing
- 4.1.1 The Dataset Composition
- 4.1.2 Python's Natural Language Approach
- 4.2 Research Progress of Data Mining Semantic Mining Model
- 4.3 Study on Experimental Results of Model
- 5 Related Research Progress
- 6 Conclusion
- References
- COPS: A Real-Time Cross-Domain Object Part Segmentation System
- Abstract
- 1 Introduction
- 2 Related Work
- 3 System
- 4 Demonstration
- 5 Discussion
- 6 Conclusion
- Acknowledgments
- References
- Author Index
System requirements
File format: PDF
Copy protection: Watermark-DRM (Digital Rights Management)
System requirements:
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The file format PDF always displays a book page identically on any hardware. This makes PDF suitable for complex layouts such as those used in textbooks and reference books (images, tables, columns, footnotes). Unfortunately, on the small screens of e-readers or smartphones, PDFs are rather annoying, requiring too much scrolling.
This eBook uses Watermark-DRM, a „soft” copy protection. This means that there are no technical restrictions to prevent illegal distribution. However, there is a personalised watermark embedded in the eBook that can be used to identify the purchaser of the eBook in the event of misuse and to provide evidence for legal purposes.
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