Intro
Preface
Organization
Contents - Part II
Artificial Intelligence
Remface: Study on Mini-sized Mobilenetv2 and Retinaface
1 Introduction
2 Related Works
2.1 Background Researches
2.2 Description of RetinaFace Model
2.3 Loss Function
2.4 Anchor Box
2.5 MobileNet
3 Related Works
3.1 Theory of the MobileNetV2
3.2 Mini-MV2
3.3 Improved Fusion of Mini-MV2 with RetinaFace
4 Related Works
5 Conclusion
References
Research on Application of Principal Component Analysis in 3d Video Dimension Reduction
1 Introduction

2 Commonly Used Video Image Dimensionality Reduction Method
2.1 Classification of Dimensionality Reduction Methods
2.2 The Effect of Dimension Reduction
2.3 Purpose of Dimension Reduction
2.4 Application Scope of Principal Component Analysis
2.5 Principal Component Analysis Method
2.6 Assumptions for PCA Application
3 Work Flow and Principle of Principal Component Analysis
3.1 Principal Component Analysis Workflow
3.2 Principle of Principal Component Analysis
4 Application Effect of Principal Component Analysis in 3d Video Image Dimensionality Reduction

5 Conclusion
References
Single Platform Passive Location Algorithm Using Position Information and Azimuth
1 Introduction
2 Target Location Calculation Method
2.1 Storage of Sensor Incoming Longitude, Latitude and Azimuth Data Using Sliding Time Windows
2.2 Datum Point Establishment
2.3 The Solution of r and
2.4 Using Linear Regression to Obtain the Anti-noise R
2.5 Determine if R Has Converged
2.6 Use R and Azimuth to Derive the Target Position
3 Simulation Experiment
4 Conclusion
References
DCAL: A New Method for Defending Against Adversarial Examples

1 Introduction
2 Relate Work
2.1 Adversarial Examples
2.2 Adversarial Attack Algorithm
2.3 Existing Methods for Defenses
3 Method
3.1 Overview
3.2 Objective Function
4 Experiments
4.1 Dataset
4.2 Defense Evaluation
5 Conclusion
References
Anomaly Detection Model for Key Places Based on Improved YOLOv5
1 Introduction
2 Related Work
3 Anomaly Detection Models and Improvements
3.1 Network Structure of YOLOv5
3.2 YOLOv5 Algorithm Improvements
3.3 Improving the FPN Structure
4 Experimental Procedure and Results
4.1 Experimental Preparation

4.2 Simulation and Experimental Results
5 Conclusion
5.1 Internet-Related Terrorist Content Remains a Concern and is Being Addressed
5.2 Existing Problems and Future Prospects
References
Non-contact Heart Rate Detection Based on Fusion Method of Visible Images and Infrared Images
1 Introduction
2 Related Work
2.1 Related Work About Non-contact Heart Rate Detection
2.2 Related Work About Fusion of Infrared Images and Visible Images
3 Heart Rate Detection Algorithm
4 Image Fusion Algorithm
4.1 A Subsection Sample
4.2 Fusion Method in the Fusion Layer