Advances in Graphic Communication, Printing and Packaging Technology and Materials: Proceedings of 2020 11th China Academic Conference on Printing and ... Notes in Electrical Engineering, 754)

Preface
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Contents
Color Science and Technology
Development of a Uniform Colour Space for Evaluating Colour Differences Under HDR Viewing Conditions
	1 Introduction
	2 Methods
		2.1 Experiment 1: Surface Colour
		2.2 Experiment 2: Self-luminous Colour
	3 Results and Discussion
		3.1 Observer Variability
		3.2 Testing Colour Models’ Performance
		3.3 Improving the Performance of Jzazbz
	4 Conclusions
	References
Effects of Lighting Method on Atmosphere and Color Perception in Children's Clothing Stores
	1 Introduction
	2 Experiment
		2.1 Lighting Environment for Children’s Clothing Store
		2.2 Psychophysical Experiment
		2.3 Observer Data Stability Analysis
	3 Experimental Results and Discussion
	4 Conclusions
	References
Influencing Factors of Color Prediction of Cellular Neugebauer Model
	1 Introduction
	2 Experimental Method
		2.1 Experimental Principle and Method
		2.2 Experimental Preparation
	3 Analysis and Evaluation of Experimental Results
		3.1 Influencing Analysis of the Cell-Levels
		3.2 Influencing Analysis of the Test-Sampling
		3.3 Influencing Analysis of the Cellular Correction Schemes
		3.4 Evaluation of Model Accuracy
	4 Conclusions
	References
Preferred Skin Tones on Displays Under Different Ambient Lighting Conditions
	1 Introduction
	2 Experimental Design
		2.1 Image Rendering
		2.2 Lighting Conditions
		2.3 Observer and Procedure
	3 Results and Discussion
		3.1 Observer Variations
		3.2 Preferred Rendered Images
		3.3 Preferred Facial Skin Tone Ellipse
	4 Conclusions
	References
Models to Predict Naturalness of Images Including Skin Colours
	1 Introduction
	2 Development of Database
	3 Data Analysis
		3.1 Skin Type Independent Model
		3.2 Generic Skin Type Model
	4 Conclusions
	References
Research of Natural Lip Colour and Preferred Lip Colour
	1 Introduction
	2 Methodology
	3 Result and Analysis
		3.1 Caucasian and Chinese Lip Colour Distribution
		3.2 Preferred Lips Colours
	4 Conclusions
	References
Spectrum Optimization for Surgical Lighting by Enhancing Visual Clarity
	1 Introduction
	2 Method
	3 Spectrum Optimization
	4 Optimization Results
	5 Conclusions
	References
Observer Metamerism for Assessing Neutrality on Displays
	1 Introduction
	2 Experimental
		2.1 Experiment 1
		2.2 Experiment 2
	3 Results and Discussions
		3.1 Intra-observer Variation
		3.2 Inter-observer Variation
		3.3 Neutrality Chromaticity
	4 Conclusions
	References
A Study of Incomplete Chromatic Adaptation of Display Under Different Ambient Lightings
	1 Introduction
	2 Experimental Datasets
		2.1 ZJU-Peng Dataset
		2.2 ZJU-Zhai Dataset
	3 Results
		3.1 Degree of Chromatic Adaptation
		3.2 Models of Incomplete Adaptation Factor (D)
	4 Conclusions
	References
Newcolour Appearance Scales Under High Dynamic Range Conditions
	1 Introduction
	2 Methods
		2.1 Light Settings
		2.2 Samples
		2.3 Observers
		2.4 Experimental
	3 Results
		3.1 Testing Performance of Color Appearance Scales
		3.2 New Ellipsoid Model
	4 Conclusions
	References
Testing the Performance for Unrelated Colour Appearance Models
	1 Introduction
	2 Unrelated Colour Datasets
	3 Unrelated Colour Appearance Models
	4 Results
	5 Conclusions
	References
Modelling Simultaneous Contrast Effect on Chroma Based on CAM16 Colour Appearance Model
	1 Motivation, Specific Objective
	2 Methods
	3 Results
	4 Conclusions
	References
Developing HDR Tone Mapping Operators Based on Uniform Colour Spaces
	1 Introduction
	2 Methodology
		2.1 Image Decomposition
		2.2 Tone Mapping Curve
		2.3 Details Enhancement
		2.4 Colour Saturation Compensation
	3 Results and Discussion
	4 Conclusions
	References
Effects of Cone Response Function on Multispectral Data Compression
	1 Introduction
	2 Method
	3 Experiments and Process
		3.1 Experimental Data
		3.2 Experimental Process
	4 Results and Discussion
		4.1 Spectral Accuracy
		4.2 Colorimetric Accuracy
		4.3 Colorimetric Error Under Various Illuminants
	5 Conclusions
	References
Study on Colorization Method of Grayscale Image
	1 Introduction
	2 Theoretical Basis of Grayscale Image Colorization
		2.1 Principle of Color Space Conversion
		2.2 Colorization Method of Grayscale Image
	3 Algorithm Design of the Grayscale Image Colorization
		3.1 Algorithm Process
		3.2 Implementation of Grayscale Image Colorization
	4 Conclusions
	References
Research on Optimal Samples Selection Method for Digital Camera-Based Spectral Reflectance Estimation
	1 Introduction
	2 Proposed Method
	3 Experimental
	4 Results and Analysis
	5 Summary
	References
Viewed Lightness Prediction Model of Textile Compound Multifilament
	1 Introduction
	2 Methodology
		2.1 Simulating Multifilament
		2.2 Calculating and Estimating Mixed Lightness
	3 Results and Discussion
		3.1 Comparison of Estimated and Calculated Lightness
		3.2 Effects on Lightness Difference
	4 Optimizing
	5 Conclusions
	References
A Representing Method for Color Rendering Performance of Mobile Phone Screen
	1 Introduction
	2 Color Model of Mobile Phone Screen
	3 Color Characteristics of Mobile Phone Screen
		3.1 Fundamental Properties of Chromatic Lights
		3.2 Three-Dimension Color Gamut
		3.3 Presentation of Typical Colors
	4 Conclusions
	References
Color Measurement and Analysis of Unpacked Jujube in Shelf Life
	1 Introduction
	2 Methods and Materials
		2.1 Jujube Selection and Its Weight Measurement
		2.2 Colorimetric Measurement of Fruit Skin
		2.3 Data Analysis
	3 Results
		3.1 Consistency Analysis for Spectral Distribution and Chromatic Aberration of Jujube Sampling Color Points
		3.2 Correlation Analysis of Weight Loss and Color Difference During the Entire Shelf Life
	4 Conclusions
	References
Color Assessment of Paper-Based Color 3D Prints Using Layer-Specific Color 3D Test Charts
	1 Introduction
	2 Experimental
		2.1 Designing the Layer-Specific 3D Color Test Charts
		2.2 Color Measurement and Image-Based Difference Assessment
		2.3 Data Analysis
	3 Results and Analysis
		3.1 Whiteness Analysis of Underlying White Blocks on Different Samples
		3.2 Correlation Analysis of Color Difference and Colored Stair Thickness for Each Colored Bar
	4 Conclusions
	References
Ink Color Matching Method Based on 3D Gamut Visualization
	1 Introduction
	2 Algorithm and Experimental Process
		2.1 Experimental Materials and Instruments
		2.2 Experimental Procedure
		2.3 Notes for Experiment
	3 Results and Data Analysis
		3.1 The Data Analysis
		3.2 Interpretation of Result
	4 Conclusions
	References
Study on Color Gamut of UV Ink-Jet Printing Based on Different Wood Substrates
	1 Introduction
	2 Experiment
		2.1 Printing Standard Color Charts with UV Ink-Jet Printer
		2.2 Measurement of Printing Standard Color Patches by Spectrophotometer
	3 Analysis of Measurement Data by MATLAB Software
		3.1 Using Matlab Software to Form Color Gamut
		3.2 Calculating Gamut Volume by MATLAB Software
	4 Analysis and Conclusions
	References
Preparation of Photonic Crystals by Rapid Coating Method
	1 Introduction
	2 Experimental Section
	3 Results and Discussion
		3.1 Surface Morphology of Photonic Crystals
		3.2 Effect of SiO2 Microsphere Concentration on Structural Color
		3.3 Effect of Black Dye Concentration on Structural Color
	4 Conclusions
	References
Image Processing Technology
Study on Image Enhancement Method for Low Illumination Target Recognition
	1 Introduction
	2 Related Technical Principles
		2.1 Low Illumination Image Enhancement Principle
	3 Mask R-CNN Algorithm
	4 Image Enhancement for Low-Light Target Recognition
		4.1 Construction of Low-Light Target Recognition Image Acquisition Scene
		4.2 Analysis of Influencing Factors of Low-Light Target Recognition Images
		4.3 Design and Implementation of Image Enhancement Algorithm for Low Illumination Target Recognition
	5 Conclusion
	References
Analysis of the Influence of Color Space Selection on Color Transfer
	1 Introduction
	2 ColorSpaces and Colorization Methods
		2.1 Color Space Transformation
		2.2 GrayscaleImage Colorization Method Based on CNN
	3 Experiments and Analysis
		3.1 Evaluation Methods
		3.2 Colorization Results and Analysis
	4 Conclusions
	References
A Detection Method for Definition Quality of Printed Matter
	1 Introduction
	2 Detection Pattern
	3 Digital Imaging of Detection Prints
		3.1 Output of the Detection Pattern
		3.2 Calibration of Digital Imaging System
	4 Detection Index of Definition Quality
		4.1 Reflectivity Contrast of a Ring Cell
		4.2 Relationship Between Visual Brightness Contrast and Frequency
		4.3 Cut-Off Frequency Hth and Visual Definition Quality Factor Q
	5 Conclusion
	References
Neutral Color Correction Algorithm for Color Transfer Between Multicolor Images
	1 Introduction
	2 Design of Neutral Color Correction Algorithm
		2.1 Saturation Weight Calculation
		2.2 Neutral Color Correction
		2.3 Hue Correction
	3 Experimental Effect and Comparison
	4 Conclusion
	References
Application of Image Processing in Improving the Precision of a 3D Model
	1 Introduction
	2 Sample
	3 Image Processing
		3.1 Interpolation of Tomographic Images
		3.2 Grey Interpolation
		3.3 Interpolation Results
		3.4 Evaluation of the Interpolation Result
		3.5 CT image Filtering
	4 3D Reconstruction
	5 Conclusions
	References
A Face Changing Animation Framework Based on Landmark Mapping
	1 Introduction
	2 Related Works
	3 Problem Description and Our Proposed Algorithm
		3.1 Face Image Import and Feature Point Selection
		3.2 Create Triangulation Meshes on Images
		3.3 Image Transformation
	4 Experiments
	5 Conclusion
	References
Research on Embedding Environment of Digital Watermark Resistant to Print-Scan and Print-Camera (PSPC)
	1 Introduction
	2 Method
	3 Experimental
		3.1 Experiment Preparation
		3.2 Experimental Test
	4 Conclusions
	References
Ultrasound Image Preprocessing Method for Deep-Learning-Based Fatty Liver Diagnosis
	1 Introduction
	2 Training Environment
	3 Iterative Image Processing Method
	4 Experimental Results and Evaluation
		4.1 Image Denoising
		4.2 Image Enhancement
		4.3 Evaluation of Experimental Results
	5 Conclusions
	References
Classification of Map Printing Defects Based on Convolutional Neural Network
	1 Research Status of Map Printing Defect Classification
	2 Map Printing Defect Detection Based on Convolutional Neural Network
		2.1 Solutions to the Problem of Map Printing Defect Classification
		2.2 Map Printing Defect Classification Process Design
	3 Experimental Process
		3.1 Data Preprocessing
		3.2 Design of Network Structure
		3.3 Experimental Results and Analysis
	4 Conclusion
	References
Digital Media Technology
Users’ Emotion Recognition in Virtual Scenes Based on Physiological Features
	1 Introduction
	2 Related Techniques and Principles
		2.1 Statistical Features of Physiological Signals
		2.2 Nonlinear Features of Physiological Signals
		2.3 Selection of Physiological Signal Features
		2.4 Classification Algorithm of Emotion Recognition
	3 Experimental Design and Implementation
		3.1 Experimental Scene Building and Experimental Process
		3.2 Subjective Evaluation
		3.3 Physiological Data Processing
	4 Result Analysis
		4.1 Analysis of Subjective Evaluation Results
		4.2 Analysis of Statistical Feature Classification Results
		4.3 Comparison of Statistical and Nonlinear Features
	5 Conclusions
	References
Research on Map Knowledge Visualization Based on Augmented Reality
	1 Introduction
	2 Construction of Knowledge Visualization Data Model
		2.1 The Types of Data that Map Knowledge Visualization Contains
		2.2 Construct Knowledge Visualization Data Model Based on Augmented Reality
		2.3 Organization and Management of Map Knowledge Data
	3 Realization of Knowledge Visualization Based on Augmented Reality Map
		3.1 Software and Hardware Environment for System Development
		3.2 Realization of Knowledge Visualization Based on Augmented Reality Map
	4 Conclusions
	References
Implementation of “AR + Books” Production Process Based on Virtual Simulation Experiment
	1 Introduction
	2 Problems Faced by Traditional Printing of Children’s Books
	3 Application Prospect of AR Books
	4 “AR + Books” Based on Virtual Simulation Experiment
		4.1 Traditional Book Making (Taking Interesting Animals as an Example)
		4.2 Multimedia Resource Design (Take Interesting Animals as an Example)
		4.3 Implementation of AR Content
	5 Conclusions
	References
A Motion-Driven Large Scene Interactive System for Media Art
	1 Introduction
	2 Systems Overview
		2.1 Coordinate Calibration of Multiple Kinect Systems
		2.2 Fusion Algorithm
	3 The Combination of Vector Field
	4 Experimental Results
	5 Conclusion
	References
Design and Manufacture of Weight-Loss Meal Replacement Packaging Box Based on AR Technology
	1 Introduction
	2 Packaging and Multimedia Resource Design for Diet Replacement
		2.1 The Design of the Packaging Box
		2.2 Design and Production of Multimedia Resources
	3 Augmented Reality Application Design
	4 Process
	5 Conclusions
	References
Visual Information Transfer Design of Packaging Product Instructions Based on Unity Platform
	1 Introduction
	2 Development Process
		2.1 AR Related Technologies and Development Tools
		2.2 Development Ideas
		2.3 Build a Database
		2.4 Model Construction
		2.5 Unity Scene Construction
		2.6 Implementation of Interactive Functions
		2.7 System Production
	3 Conclusion
	References
User Experience Research and Analysis Based on Usability Testing Methods
	1 Introduction
	2 Related Overview
		2.1 User Experience
		2.2 Usability Test
		2.3 Eye Tracking
	3 Experimental Design
		3.1 Purpose of the Experiment
		3.2 Subjects of the Experiment
		3.3 Experiment Content
	4 Data Processing
		4.1 Quantitative Experimental Data Processing
		4.2 Qualitative Experimental Data Processing
	5 Improvement Suggestions
	6 Summary
	References
Printing Engineering Technology
Simulation Study on Water-Based Ink Transfer in Gravure Printing
	1 Introduction
	2 Transfer Mechanism Analysis of Gravure Ink
	3 Simulation and Discussion
		3.1 Simulation of Influence of Printing Pressure on Ink Transfer
		3.2 Simulation of Influence of Printing Speed on Ink Transfer
		3.3 Simulation of Influence of Ink Viscosity on Ink Transfer
	4 Conclusions
	References
Influence of Digital Printing Paper on Color Reproduction
	1 Introduction
	2 Experiment
		2.1 Experimental Materials and Instruments
		2.2 Experimental Contents
	3 Results and Analysis
		3.1 Effect of Different Types of Paper on Color Reproduction
		3.2 Effect of Different Basis Weight of the Same Paper on Color Reproduction
	4 Conclusions
	References
Research on the Quality of Digital Printing
	1 Introduction
	2 Printing Test Form Design
	3 Four Different Papers’ Printing Quality Comparative Analyze
		3.1 Color Gamut Contrastive Analysis
		3.2 Solid Density and Relative Contrast
		3.3 Gray Balance
	4 Digital Printing and Offset Printing Quality Comparative Analyze
		4.1 Color Gamut Contrast
		4.2 Offset Printing Quality and Digital Printing Comparative Analyze
	5 Conclusions
	References
Chromaticity Constancy in Printing Output Equipment
	1 Introduction
	2 Display Chromaticity Constancy Assumption
	3 Chromaticity Constancy of Printing Output Equipment
		3.1 Theoretical Hypothesis
		3.2 Experimental Verification
	4 Conclusions
	References
Study on the Hi-Fi Replication Technology of the Digital Printing of Silk Scroll Painting
	1 Introduction
	2 Principle of Digital Printing and Replication Technology
		2.1 Extraction of Key Colors
		2.2 Key Color Extraction
		2.3 Digital Printing and Color Control
	3 Realization of the Hi-Fi Reproduction Technology
		3.1 Establishment of the Hi-Fi Reproduction Process
		3.2 Creation of Color Characteristics Set of Silk Scroll Paintings
		3.3 Establishment of the Digital Printing Color Reproduction Process
		3.4 Experimental Environment and Equipment Parameters
		3.5 Analysis of Experimental Data and Results
	4 Conclusion
	References
Research on Encryption and Anti-counterfeiting Combining One Thing a Code and Variable Digital Printing
	1 Introduction
	2 Variable Graphic Production
		2.1 Variable Pattern Production Method
		2.2 One Thing a Code Encoding and Data Encoding
		2.3 Graphic Design and Output
		2.4 Encryption
	3 Conclusions
	References
Study of High-Definition (HD)—Flexo Halftoning Based on the Region Growth and Segmentation Algorithm (RGSA)
	1 Introduction
	2 Algorithm
	3 Experiments and Results
	4 Results and Conclusion
	References
Development and Application of Inkjet Printing Quantum Dots
	1 Introduction
	2 Quantum Dots (QDs)
	3 Inkjet Printing
	4 QLEDs
	5 Conclusions
	References
Design of Portable Express Surface Sheet Printer Based on Inkjet Printing
	1 Introduction
	2 Research Status
		2.1 The Traditional Surface Sheet
		2.2 Electronic Surface Sheet
		2.3 Corrugated Board Ink-Jet Printing
	3 Design of a New Type of Portable Express Delivery Surface Printer Based on Inkjet Printing
		3.1 Inkjet Systems
		3.2 External Main Structure of Inkjet Printer
		3.3 Control System
		3.4 Analysis of Product Design Characteristics
	4 Conclusions
	References
Printability of Ink for On-Demand Inkjet Printing on Different Paper
	1 Introduction
	2 Experimental
		2.1 Equipments
		2.2 Materials
		2.3 Sample Preparation and Performance Tests
	3 Results and Discussion
		3.1 Ink Absorption of Paper
		3.2 Color Reproduction Performance of Ink
	4 Conclusions
	References
Analysis of Factors Affecting Flexographic Plate-Making Technology Based on Surface Imaging Stereolithography
	1 Introduction
	2 Flexographic Plate-Making by 3D Printing with Surface Imaging Stereolithography
	3 Factors Affecting of Flexographic Plate-Making Based on DLP 3D Printing Technology
		3.1 Resolution of Imaging System
		3.2 UV Wavelength
		3.3 Forming Accuracy
		3.4 Viscosity and Stickiness of Photosensitive Resin
	4 Performance of Mainstream DLP 3D Printing Materials
	5 Conclusions
	References
Printing Time Optimization of Large-Size Powder-Based 3D Printing
	1 Introduction
	2 Methods
	3 Results and Discussion
		3.1 Effects of Z-axial Height and Monolayer Area on Printing Time
		3.2 Effects of Orientation on Printing Time
	4 Conclusions
	References
Research on the Anisotropy of Mechanical Properties of Powder-Based 3D Printed Models After Dipping
	1 Introduction
	2 Experiments and Methods
	3 Results and Discussion
		3.1 Influence of Impregnant on Mechanical Properties
		3.2 Mechanical Testing Based on Different Angles
	4 Conclusions
	References
Development Status and Trends of Several Major Flexible Printed Electronics
	1 Introduction
	2 Flexible Sensor
	3 Flexible Display Device
	4 Radio Frequency Identification
	5 Flexible Printed Circuit Board
	6 Conclusions
	References
Design and Manufacture of Programmable Electrochromic Digital Tube
	1 Introduction
	2 Experimental Materials and Instruments
		2.1 Experimental Materials
		2.2 Experimental Instruments
	3 Preparation of Electrochromic Materials
		3.1 Preparation of Gel Electrochromic Ink
		3.2 Preparation of Electrolyte Materials
		3.3 Device Assembly and Test
		3.4 Test Results
	4 Control Part Design and Production
		4.1 Electrode Layer Production
		4.2 Device Assembly
		4.3 Control Part Design
		4.4 Electrochromic Digital Tube Display Effect
	5 Conclusions
	References
Printed Fexible Circuit Based on PVA
	1 Introduction
	2 Experimental Section
		2.1 Materials
		2.2 Equipment
		2.3 Experimental Methods
		2.4 Characterization
	3 Results and Discussion
	4 Conclusions
	References
Fabrication of Three-Dimensional Graphene Electrodes by Direct-Write Printing
	1 Introduction
	2 Experimental Section
		2.1 Experimental Materials
		2.2 Synthesis of Graphene Oxide (GO) and Preparation of Ink
		2.3 Direct-Write Printing Three-Dimensional Electrodes
		2.4 Characterization
	3 Results and Discussion
	4 Conclusions
	References
Research on the Morphology and Adhesion Performance of Screen Printed Antenna for RFID Tag
	1 Background
	2 Experimental
	3 Results and Discussion
	4 Conclusions
	References
Study on Preparation of Counter Electrodes for Trans-flexible Dye-Sensitized Solar Cells
	1 Introduction
	2 Experiments
		2.1 Materials
		2.2 Preparation of Counter Electrodes
		2.3 DSSCs Assembling
		2.4 Characterization and Measurements
	3 Results and Discussion
		3.1 Optical Transparencies of PEDOT: PSS Films
		3.2 Photovoltaic Performances of PEDOT: PSS Based DSSCs
	4 Conclusions
	References
Application of Biomass Material in Fused Deposition Molding
	1 Introduction
	2 FDM Technology
	3 3D-Printed Biomass Composite Materials
		3.1 Cellulose Composite Materials
		3.2 Hemicellulose Composite Materials
		3.3 Lignin Composite Materials
	4 Conclusions
	References
Packaging Engineering Technology
An Review on Food Packaging Safety
	1 Introduction
	2 Main Problems in Food Packaging Safety at Present
		2.1 Food Packaging Quality is not up to Standard
		2.2 Poor Physical and Mechanical Properties
		2.3 Excessive Residue
	3 Types of Food Packaging Materials and Safety Hazards
		3.1 Plastic Packaging Materials
		3.2 Paper Packaging Materials
		3.3 Metal Packaging Materials
		3.4 Glass Packaging Materials
	4 Countermeasures to Solve Food Safety Problems
		4.1 Strengthen Food Packaging Safety Supervision
		4.2 Development of New Packaging Materials and Packaging Technology
		4.3 Improve the Food Packaging Inspection System
	5 Conclusions
	References
Extension of Cheese Shelf–Life Using Chitosan–Procyanidin Composite Film with High Antioxidant Activity
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Preparation of CS–PC Films
		2.3 Packaging and Storage of Cheese
	3 Results and Analysis
		3.1 Light Blocking Property
		3.2 Migration Testing and Antioxidant Properties
		3.3 Color
		3.4 pH Value
		3.5 Sensory Evaluation
		3.6 Peroxide Value
		3.7 Total Plate Count
		3.8 Evaluation of Cheese Shelf–Life
	4 Conclusion
	References
Development of a Time-Temperature Indicator Based on Lipase and Glycerol Trioleate
	1 Introduction
	2 Experiment
		2.1 Materials and Equipment
		2.2 Preparation of a Lipase-Based TTI
		2.3 Determination of Dynamic Parameters of Lipase-Based TTI
	3 Results and Discussion
		3.1 Color Changes of the Lipase-Based TTI
		3.2 Kinetic Analysis of the Lipase-Based TTI
	4 Conclusions
	References
Peeling Strength of Solventless Lamination Films for Retort Packaging and Its Bonding Mechanism
	1 Introduction
	2 Experimental
		2.1 Materials and Method
		2.2 Results and Discussion
	3 Conclusions
	References
Research on Properties of Bio-Based Water and Oil Resistant Paper Made by PVA Modified Beeswax
	1 Introduction
	2 Experimental Methods
		2.1 Experimental Reagents
		2.2 Preparation of Modified Beeswax Emulsion
		2.3 Preparation of Hydrophobic and Oil Repellent Coatings
		2.4 Preparation of Waterproof and Oil Proof Paper
		2.5 Characterization
	3 Results and Discussion
		3.1 Effect of Beeswax Concentration on the Waterproof Performance of Paper
		3.2 SEM Image of the Coating Paper
		3.3 Influence of Drying Temperature on Paper Waterproof Performance
		3.4 Wear Test
		3.5 Influence of Coating Amount on Waterproof and Oil-Proof Performance
	4 Conclusion
	References
Influence of Hot Built-In Objects on the Performance of Corrugated Carton
	1 Introduction
	2 Experiment
		2.1 Raw Materials and Instrument
		2.2 Experimental Method
	3 Results and Discussion
		3.1 Change of Physical Properties of Corrugated Cartons in 0–6 h in the Experiment
		3.2 Change of Physical Properties of Cartons After Standing for Single Carton for 24 h
		3.3 Change of Physical Properties of Cartons After Letting Stand for Single Carton for 24 h and the Center Carton of the Stacking
	4 Conclusions
	References
Research on Compression Performance of Honeycomb Paperboard Based on Finite Element
	1 Introduction
	2 Model Establishment and Parameter Setting of Honeycomb Paperboard Compression Process
	3 Simulation Results and Comparative Analysis
		3.1 Static Compression Simulation Analysis
		3.2 Comparison of Dynamic and Static Cushion Property
		3.3 Dynamic Compression Simulation Comparison of Honeycomb Cardboard with Different Drop Heights
		3.4 Dynamic Compression Simulation Comparison of Honeycomb Paperboard with Different Pore Sizes
		3.5 Dynamic Compression Simulation Comparison of Honeycomb Paperboard with Different Thickness
	4 Conclusion
	References
Research on Polyvinyl Alcohol Reinforcing Board and Corrugated Fiberboard
	1 Introduction
	2 Materials and the Method
		2.1 Materials
		2.2 Experiment Method
		2.3 Testing Method
	3 Results and Discussion
		3.1 Effect of PVA Content on Board Performance
		3.2 Effect of PVA Content on Corrugated Fiberboard Performance
	4 Conclusion
	References
Environmental Protection Status and Analysis of Pulp Molded Products Based on LCA
	1 Introduction
	2 The Meaning and Technical Framework of Life Cycle Assessment
	3 Environmental Impact Assessment of Pulp Molding by LCA
		3.1 Goal Definition and Scope
		3.2 Inventory Analysis and Impact Analysis
		3.3 Improve Evaluation
	4 Conclusions
	References
Design of Glass Packaging Container Based on SolidWorks
	1 Introduction
	2 Glass Packaging Container Structure Analysis and Classification
	3 SolidWorks Parameterized Design of Glass Packaging Container
		3.1 Structural Analysis
		3.2 Modeling Method of Beer Bottle
	4 SolidWorks Secondary Development API
		4.1 Establishment of Model
		4.2 Key Module Analysis
	5 Conclusions
	References
Greening of Glass Packaging Viewed from Life Cycle and 3R1D Principles
	1 Current Situation of Glass Packaging
	2 Evaluation of Glass Packaging LCA
		2.1 Determination of Objective and Scope
		2.2 List Analysis
		2.3 Impact Assessment and Pollution Sources
	3 Improvement Measures Based on the 3R1D Principle of Green Packaging
		3.1 Reduce—Development of Energy-Saving Technology and Lightweight Treatment of Bottle Body
		3.2 Reuse—Refilling of Glass Packaging
		3.3 Recycle—Recycling of Broken Glass
		3.4 Degradable
	4 Conclusions
	References
Mechanical Engineering Technology
Research on Fault Diagnosis of Rolling Bearing in Printing Press Based on Convolutional Neural Network
	1 Introduction
	2 Time-Frequency Analysis
		2.1 Short-Time Fourier Transform (STFT)
		2.2 Continuous Wavelet Transform (CWT)
		2.3 Wegener-Ville Distribution (WVD)
	3 Construction of Convolutional Neural Network
		3.1 Convolutional Layer
		3.2 Pooling Layer
		3.3 Fully Connected Layer
	4 Experiments
		4.1 Fault Diagnosis of Rolling Bearings in a Public Database
		4.2 Fault Diagnosis of Rolling Bearings in a Printing Unit
	5 Conclusions
	References
A Research on Fault Diagnosis of Rolling Bearing in Printing Press Based on Empirical Wavelet Transform and Symbolization
	1 Introduction
	2 Symbolic Analysis with EWT Components
		2.1 Empirical Wavelet Transform
		2.2 Symbolic Analysis of Components
	3 Experiments
		3.1 Cage Failures of Bearings in Printing Press
		3.2 Faults of Inner and Outer Races in Bearings
		3.3 Database of Bearings in Printing Press
	4 Conclusions
	References
Application of CDIO Mode in the Design and Development of Printability Instrument
	1 Introduction
	2 CDIO Conception
	3 Implementation Process
		3.1 Conceive
		3.2 Design
		3.3 Implement
		3.4 Operate
	4 Conclusions
	References
Interactive Design of Post-Press Equipment Based on Virtual Reality
	1 Application Significance of Virtual Reality Design
	2 Virtual Design Method Based on Interface Research
		2.1 Problems with Virtual Design
		2.2 Solutions of Key Problem
	3 Taking Folding Machine as an Example
		3.1 Discussion of Design Scheme
		3.2 Virtual Reality Design Method
	4 Design Results
	5 Interaction Example of Paper Mechanics Model Based on Finite Element
		5.1 Quantitative Analysis of Paper Failure
		5.2 Interactive Realization of Model Analysis Results and Faults
	6 Conclusions and Prospect
	References
Research on the Influence Factors of Unwinding Tension in Roll-To-Roll Processing
	1 Introduction
	2 Dynamic Model of Unwinding Process
	3 Numerical Analysis
		3.1 Effect of Unwinding Roll Diameter and Web Velocity on Tension
		3.2 Effect of Web Parameters on Tension
	4 Simulation Experiment
	5 Conclusions
	References
Design of Commodity Positioning Management System Based on Read-Write RFID Tag Printer
	1 Introduction
	2 RFID Read-Write Thermal Printer
		2.1 RFID Read-Write Thermal Printer
		2.2 RFID Thermal Printer Workflow
	3 Commodity Tag Positioning Management System
	4 Conclusions
	References
Information Engineering and Artificial Intelligence Technology
Intelligent Cartoon Image Generation Based on Text Analysis and MCMC Algorithm
	1 Introduction
	2 Algorithm Framework
		2.1 Text Analysis
		2.2 Template
		2.3 Image Generation
		2.4 Implements
	3 Experiments
		3.1 Environment
		3.2 Image Material
		3.3 Test
		3.4 Result and Analysis
	4 Conclusions
	References
An End to End Method for Scene Text Detection and Recognition
	1 Introduction
	2 Study Contents
		2.1 Training Data Set
		2.2 Training Process
		2.3 Test Data Set
		2.4 Test Process
		2.5 Text Recognition
	3 Results
		3.1 Subjective Evaluation
		3.2 Objective Evaluation
	4 Summary and Prospect
	References
Study on the Virtual Localization System of AGV in Printing Workshop Based on Digital Twin Technology
	1 Introduction
	2 Virtual Localization System in Host Computer
	3 Connection of AGV
	4 Conclusions
	References
Research of the SCADA System of Working Status of Equipment in Printing Workshop
	1 Introduction
	2 Equipment in Printing Workshop
	3 Concept of the SCADA System
	4 Connecting of Host Computer and HMIs
	5 Data Interaction and Application
	6 Conclusions
	References
Printing Material and Related Technology
Research on the Ink Absorption Performance of Coating on Foamed Plastic Surface
	1 Introduction
	2 Experiment
		2.1 Experimental Materials
		2.2 Experimental Equipment
		2.3 Experimental Procedure
	3 Results and Discussion
		3.1 Viscosity of Coating Solution
		3.2 Wettability of Coating
		3.3 Optical Properties of the Coating
		3.4 Printing Performance of the Coating
	4 Conclusions
	References
Research on Surface Modification Technology of Water-Based Aluminum Powder Pigment
	1 Introduction
	2 Method of Surface Modification of Aluminum Powder
		2.1 Corrosion Inhibitor Method
		2.2 Coating Method
	3 Conclusion
	References
Influence of Pigment Particle Size on Anti-counterfeiting Effect of Structural Color Ink
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Preparation of Structural Color Ink
	3 Results and Discussion
	4 Conclusions
	References
Preparation of Silica Encapsulated Fe3O4 Microwave Absorber and Its Application in 3D Printing Inkjet Ink
	1 Introduction
	2 Experiments
		2.1 Experiment Materials
		2.2 Sample Preparation
		2.3 Characterization of Silica Encapsulated Fe3O4
		2.4 Test Method of Microwave Absorbing Ink Printing Performance
	3 Result and Aanalysis
		3.1 Study on Properties of Silica Encapsulated Fe3O4 Microwave Absorber
		3.2 Study on Printing Performance of 3D Printing Ink
	4 Conclusions
	References
Surface Modification of Nano-TiO2 Microspheres
	1 Foreword
	2 Surface Properties of Titanium Dioxide
		2.1 Super Hydrophilic Surface
		2.2 Surface Hydroxyl
		2.3 Electrical Surface
	3 Surface Modification of Nano-TiO2
		3.1 Inorganic Surface Treatment
		3.2 Organic Surface Treatment
	4 Conclusions
	References
Effect of Polymerization Process on Properties of Styrene-Acrylic Microemulsion
	1 Introduction
	2 Experiment
		2.1 Materials
		2.2 Polymerization Process
		2.3 Performance Test and Characterization of Emulsion
	3 Results and Discussion
		3.1 Effects of Different Polymerization Processes on Solid Content and Water Absorption
		3.2 Particle Size Determined by Different Polymerization Processes and Styrene Added Amount
		3.3 Effect of Styrene Content on Solid Content and Water Absorption of Emulsion
		3.4 FT-IR Spectra of the Styrene-Acrylate Copolymer
		3.5 TEM Analysis of Styrene-Acrylate Copolymer
	4 Conclusion
	References
Progress in the Preparation and Printability of Water-Based Polyurethane Plastic Printing Ink
	1 Introduction
	2 Research Status of Waterborne Polyurethane Ink Used in Plastic Film
	3 Key Properties and Influencing Factors of Waterborne Polyurethane Binder
		3.1 Thermal Stability
		3.2 Water Resistance
		3.3 Adhesion
		3.4 Color Reproduction
	4 Conclusions
	References
Research on Waterborne Printing Varnish and Anti-adhesion
	1 Introduction
	2 Preparation of Waterborne Printing Varnish
		2.1 Main Agent
		2.2 Auxiliary Agent
		2.3 Solvent
		2.4 Composition and Proportion of Waterborne Printing Varnish
	3 Adhesion Performance Experimental and Analysis for Waterborne Printing Varnish
		3.1 Experimental Method for Adhesion Properties
		3.2 Adhesion Performance Evaluation Criteria
		3.3 Analysis of Adhesion Property Experimental Results
	4 Conclusions
	References
Preparation and Characterization of UV Varnish with High Resistance
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Preparation of UV Varnish
		2.3 Characterization
	3 Results and Discussion
		3.1 Effect of Monomer Type on UV Varnish Material Coating and Resistance Performance
		3.2 Effect of Prepolymer on Coating and Resistance of UV Varnish
		3.3 Effect of Photoinitiator Type on Curing Speed of UV Varnish Material
		3.4 Effect of Photoinitiator Content on Curing Speed of Varnish
	4 Properties of UV Varnish
	5 Conclusion
	References
Study on the Application of UV Ink in Printing Manufacturing
	1 Introduction
	2 Field of Printing Electronics
		2.1 Printed Circuit Board Manufacturing
		2.2 RFID Manufacturing
		2.3 Flexible Electron
		2.4 Research on UV Conductive Filler
		2.5 Water-Based UV Conductive Ink
	3 3D Printing Field
	4 Outlook
	References
Preparation and Characterization of Carbon Based Composite Conductive Ink
	1 Introduction
	2 Materials and Methodology
		2.1 Experimental Framework
		2.2 Experimental Materials and Instruments
		2.3 Formulation Design and Main Procedures
	3 Results and Analysis
		3.1 Conductivity Analysis
		3.2 Fineness Analysis
		3.3 Viscosity Analysis
		3.4 Chemical Tolerance Analysis
		3.5 Comprehensive Performance Analysis
	4 Conclusions
	References
Study on Preparation and Printing Evaluation of Composite Aromatic Expansion Microsphere Ink
	1 Introduction
	2 Experiment
		2.1 Materials and Instruments
		2.2 Preparation and Printing Application of Composite Microsphere Ink
	3 Results and Discussion
		3.1 Thermal Performance Analysis of Composite Microsphere Ink
		3.2 Microscopic Characterization of Printed Samples
		3.3 Foam Height Analysis of Printed Matter
	4 Conclusions
	References
Preparation and Thermal Storage Performance of Paraffin Phase Change Microcapsule Ink
	1 Introduction
	2 Experiment
		2.1 Materials and Instruments
		2.2 Preparation
	3 Results and Discussion
		3.1 Surface Topography
		3.2 Analysis of Thermal Performance
		3.3 Performance Analysis of Phase Change Microcapsule Ink
	4 Conclusions
	References
Preparation and Application of Microdroplet Array
	1 Introduction
	2 Preparation Principle and Processing Method of Micro-droplets
	3 Preparation and Application of Microdroplet Array
	4 Conclusion
	References
Affection to the Properties of Paper by Different Kinds of Pulp and Agents
	1 Introduction
	2 Experiment Section
		2.1 Materials and Equipment
		2.2 Separation of Fiber
		2.3 Papermaking
		2.4 Properties Characterization of Paper
	3 Results and Discussion
		3.1 Roughness
		3.2 Tearability
		3.3 Stiffness
		3.4 Bursting Strength
	4 Conclusions
	References
Film and Related Material Technology
Preparation of Chitosan-Based Composite Response Membrane and Its CO2 Response Behavior
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Synthesis of NSCS/HPCS Composite Indicator Membrane
		2.3 Single-Factor Experiment of Preparation of Composite Indicator Membrane
		2.4 Color Difference Measure Method
		2.5 Response Behavior Tests for NSCS/HPCS Composite Indicator Membrane
		2.6 Application of NSCS/HPCS Composite Indicator Membrane on Fruit
	3 Results and Discussion
		3.1 Single-Factor Experiment of Preparation of Composite Response Membrane
		3.2 CO2 Response Behavior of NSCS/HPCS Composite Response Membrane
		3.3 Application of NSCS/HPCS Composite Response Membrane
	4 Conclusion
	References
Preparation and Characterizations of Apple Pomace Polyphenols Modified Cellulose/Starch Edible Packaging Films
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Preparation of Compound Edible Film
		2.3 Characterization
	3 Results and Discussion
		3.1 Results of Interaction Between Ethanol Concentration (A) and Material to Liquid Ratio (B)
		3.2 Thermal Stability of Each Compound Edible Film
		3.3 Antioxidant Performance of Various Composite Edible Films
		3.4 Water Vapor Transmission Performance of Various Compound Edible Films
		3.5 Surface Hydrophilic of Films
	4 Conclusion
	References
Study of Preparation and Film-Forming Performance of Carbon Nanotube-PDMS Composite Film
	1 Introduction
	2 Experimental
		2.1 Fabrication of CNT-PDMS Composite Films
		2.2 Measuring Instrument
	3 Results and Discussion
		3.1 Film-Forming Performance Test
		3.2 Determination of the Optimum Amount of CNT
		3.3 Test of Pressure Capacitance Response
	4 Conclusions
	References
Preparation of Freshness Indicator Based on Electrospun Fiber Membrane
	1 Introduction
	2 Experimental
		2.1 Materials and Methods
		2.2 Experimental Method
		2.3 Testing and Characterization
	3 Results and Discussion
		3.1 Basic Parameters and Characteristics
		3.2 Conductivity Analysis
		3.3 Morphology Analysis of Fiber Film
		3.4 Performance and Analysis of Color-Freshness Indicator
	4 Conclusions
	References
Preparation of Paper-Based PEDOT: PSS Conductive Film Using Gravure Printing
	1 Introduction
	2 Experimental Section
		2.1 Materials and Preparation of PEDOT: PSS Solution
		2.2 Preparation of PEDOT: PSS Film by Printing and Acid Post-treatment
		2.3 Characterization of PEDOT: PSS Film
	3 Results and Discussion
		3.1 Uniformity of PEDOT: PSS Film Doped with Different Solvents
	4 Conductivity of Prepared Film and Optimization Preparation Process
	5 Conclusion
	References
Influence of Processing Parameters on the Impact Property of Polyethylene Hot Shrinkage Film
	1 Introduction
	2 Experiment
		2.1 Materials and Instruments
		2.2 Methods
		2.3 Test of Sample Tensile Stress at a Given Elongation
	3 Results and Discussion
	4 Conclusion
	References
Study on the Static Compression of EPP Packaging Materials
	1 Introduction and Application of EPP
	2 EPP Static Compression Experiment
		2.1 Experimental Scheme
		2.2 Experimental Principle
		2.3 Experimental Sample
		2.4 Experimental Site and Equipment
		2.5 Experimental Content
	3 Data Processing and Result Discussion
		3.1 Static Compressed Data Processing
		3.2 Stress Strain Curve of EPP Material Under First Compression
		3.3 Stress Strain Curve of EPP Under Second Compression
		3.4 Stress-Strain Curve of EPP Under Twice Compression
	4 Conclusions
	References
Numerical Simulation of Chemical Migration from PET Bottle to Beverage
	1 Introduction
	2 Migration Model
	3 Numerical Simulation and Analysis
		3.1 Effect of PET Beverage Bottle Thickness
		3.2 Effect of Ambient Temperature
		3.3 Effect of the Relative Molecular Mass of the Migration
	4 Conclusions
	References
Novel Functional Material Technology
Aggregation-Induced Emission of the Hyperbranched Cationic Polymer Based on Bisazopyridines
	1 Introduction
	2 Results and Discussion
	3 Experimental Section
	4 Conclusions
	References
Review: High-Performance Wearable Flexible Capacitive Pressure Sensor
	1 Introduction
	2 Capacitive Pressure Sensor
		2.1 Microstructures to the Dielectric Layer
		2.2 Microstructures into the Electrode Plates
		2.3 The Internal Microstructures of the Dielectric Layer
		2.4 Doping Fillers in Insulating Elastic Dielectric Layer
	3 Conclusions and Outlooks
	References
Synthesis of a Novel Electron Donor-Acceptor Discotic Liquid Crystal Dyad and Its Liquid Crystal Properties
	1 Introduction
	2 Experimental
		2.1 Synthesis of 2-Hydroxy-3, 6, 7, 10, 11-Pentabutoxy-Triphenylene (HAT5-OH)
		2.2 Synthesis of Primary Amine Triphenylene
		2.3 Synthesis of Perylene-3, 4-Anhydride-9, 10-Carboxylic Acid Dipentyl Ester (PAD-C5)
		2.4 Synthesis of Final Product D595A
	3 Results and Discussion
		3.1 FT-IR and 1H-NMR
		3.2 DSC and POM
	4 Conclusion
	References
Photoelectric Properties of TCNQ/Triphenylene Liquid Crystal System
	1 Introduction
	2 Experimental
	3 Results and Discussion
		3.1 Mesomorphism of 36TPE/TCNQ
		3.2 Spectral Characteristics of 36TPE/TCNQ
		3.3 Electronic Energy Level Study of 36TPE/TCNQ
	4 Conclusions
	References
Photopolymerization and Characterization of Tetraphenylethene-Doped Luminescent Polymer
	1 Introduction
	2 Experimental
		2.1 Materials
		2.2 Preparation of TPE-Doped UV-Curable Resin
		2.3 Preparation of TPE-Doped Polymer Film
		2.4 Characterization
		2.5 Inkjet Printing Patterns
	3 Results and Discussion
		3.1 UV-Curing of TPE-Doped Resin
		3.2 Photoluminescence Property of TPE-Doped Polymer
		3.3 Patterning of TPE-Doped UV-Curable Resin
	4 Conclusions
	References
Preparation of Novel Cholesteric Liquid Crystal and Its Application in Structural Color
	1 Introduction
	2 Results and Discussion
		2.1 Preparation of the CLC Mixtures
		2.2 Reflectance Spectra
		2.3 Thermochromic Property
	3 Conclusions
	4 Experimental Section
	References
Study on Factors Influencing Luminescence Intensity of Rare Earth Complexes
	1 Introduction
	2 Experiment
		2.1 Materials
		2.2 Equipments
		2.3 Experimental Methods
	3 Results and Discussion
		3.1 Effect of Ligand Types on the Luminous Intensity of Rare Earth Complexes
		3.2 Influence of the Proportion of Rare Earth Complex Ligands on the Luminous Intensity of Rare Earth Complexes
		3.3 Effect of Catalyst Dosage on Rare Earth Complexes
		3.4 Effect of Reaction Time on Synthesis of Rare Earth Complexes
	4 Conclusions
	References
Preparation and Performance of Perovskite Oxides LaxSr1−xCo0.2Fe0.8O3−δ for Air Electrode Catalyst of New Type of Energy Storage Equipment
	1 Introduction
	2 Experimental
	3 Results and Discussion
	4 Conclusions
	References
Research Overview of Electroless Plating Technology for Carbon Nanotubes
	1 Introduction
	2 Pretreatment Process of CNTs Before Electroless Plating
	3 Main Influencing Factors of Electroless Plating of CNTs
	4 Methods for Electroless Plating of CNTs
	5 Conclusions
	References
Electrochromic Properties of α-MoO3 Nanorods Fabricated by Hydrothermal Synthesis
	1 Introduction
	2 Experimental Section
	3 Results and Discussion
		3.1 XRD Pattern and Raman Spectrum of the Synthesized Products
		3.2 Morphology of the As-Synthesized MoO3 Nanorods
		3.3 Optical Transmittance Spectra and Electrical Performance of MoO3
	4 Conclusion
	References
Preparation and Properties of Polyethylene Glycol Modified Nanocellulose/Polyvinyl Alcohol Composite Gel
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Preparation of CNFs-PEG/PVA Composite Gel
		2.3 Performance Testing and Characterization
	3 Results and Discussion
		3.1 Effect of Cellulose Solution Concentration on The Physical and Chemical Properties of Hydrogel
		3.2 Infrared Spectroscopy
		3.3 Micro-morphology Analysis
		3.4 Porosity and Pore Size Testing
		3.5 Swelling Analysis
	4 Conclusion
	References
Preparation and Properties of Hydrogel for 3D-Printed Cartilage Repair
	1 Introduction
	2 Experiment
		2.1 Materials
		2.2 Preparation of Composite Gel
		2.3 Testing and Data Analysis
	3 Results and Discussion
	4 Conclusions
	References
Overview of Degradable Polymer Materials Suitable for 3D Printing Bio-stent
	1 Introduction
	2 Biodegradable Materials Suitable for 3D Printing
	3 Degradable Polymer Stent
		3.1 Application of Degradable Materials on Vascular Stents
		3.2 Application of Degradable Materials on Stents in Urinary System
	4 Conclusions
	References
Advances in Research on Sustained-Release Chlorine Dioxide Solid Preparations
	1 Introduction
	2 Adsorption Chlorine Dioxide Sustained-Release Agent
		2.1 Powder, Tablet, Film and Other Solid Sustained-Release Agents
		2.2 Gel-Type Sustained-Release Agent
	3 Reactive Chlorine Dioxide Sustained-Release Agent
		3.1 Powder, Tablet, Film and Other Solid Sustained-Release Agents
		3.2 Gel-Type Sustained-Release Agent
	4 Conclusion and Development Prospect
	References
Research of Electroluminescent Dielectric Layer of Packaging Products
	1 Introduction
	2 Material and Methods
		2.1 Material Preparation
		2.2 Experimental
		2.3 Measurement
	3 Results and Discussion
		3.1 Parameters Comparison
		3.2 Conclusion
	4 Summary
	References