| ABSTRACT | 第3页 |
| 1. INTRODUCTION | 第6-13页 |
| 1.1. Research Background | 第6-8页 |
| 1.2. Literature Review | 第8-11页 |
| 1.3. Main contents and specific arrangements | 第11-12页 |
| 1.4. Summary of chapter | 第12-13页 |
| 2. Overview of Connector Surface Defects Detection | 第13-19页 |
| 2.1. Types of connector surface defects | 第13-16页 |
| 2.2. The system process of detecting connector surface | 第16-18页 |
| 2.3. Summary of chapter | 第18-19页 |
| 3. Image Pre-processing | 第19-24页 |
| 3.1. Image grayscale | 第19-21页 |
| 3.2. Image de-noising | 第21-23页 |
| 3.2.1. Mean Filter | 第21-22页 |
| 3.2.2. Median filter | 第22页 |
| 3.2.3. Comparison of mean and median filters | 第22-23页 |
| 3.3. Summary of chapter | 第23-24页 |
| 4. Image Registration | 第24-55页 |
| 4.1. Mathematical Model of Image Registration | 第24-25页 |
| 4.2. Classification of Image Registration Algorithms | 第25-29页 |
| 4.2.1. Image Registration based on graylevel | 第25-28页 |
| 4.2.2. Image detection based on features | 第28-29页 |
| 4.3. Experimental analysis of Image Registration based on Features | 第29-54页 |
| 4.3.1. The Image Registration based on the Edge Feature detection | 第30-33页 |
| 4.3.2. Edge detection and experimental analysis | 第33-44页 |
| 4.3.3. Principles and experimental verifications based on FAST Feature points Registration | 第44-54页 |
| 4.4. Summary of chapter | 第54-55页 |
| 5. Defect recognition and comparison | 第55-71页 |
| 5.1 The connector surface defects classification | 第55页 |
| 5.2. The requirement of the connector detection system for defect detection | 第55-56页 |
| 5.3. Image defects recognition algorithms | 第56-59页 |
| 5.3.1. Image Segmentation | 第56页 |
| 5.3.2. Image difference method | 第56-57页 |
| 5.3.3. Morphological process | 第57-59页 |
| 5.4. Detection of defects on plastic | 第59-64页 |
| 5.5. Terminal defect detection | 第64-69页 |
| 5.6. The MATLAB experimental interface of defect detection system | 第69页 |
| 5.7. Summary of chapter | 第69-71页 |
| 6. CONCLUSION | 第71-74页 |
| 6.1. Prospects and main results of research work | 第71-72页 |
| 6.2. Future work | 第72-74页 |
| Acknowledgement | 第74-75页 |
| References | 第75-79页 |
| APPENDIX | 第79页 |
