文摘
英文文摘
论文说明:List of Figures、List of tables、List of abbreviations
声明
Chapter 1 Introduction
1.1 Motivation
1.2 Objectives of Research
1.3 Introduction to Image Retrieval
1.4 Introduction to Content-Based Image Retrieval
1.5 Introduction to Shape Based Retrieval in CBIR
1.6 Contribution of Thesis
1.7 Organization of Thesis
Chapter 2 Shape Based Retrieval in CBIR
2.1 Background
2.2 Visual Contents of CBIR
2.2.1 Color Image Content Descriptor
2.2.2 Texture Image Content Descriptor
2.2.3 Shape Image Content Descriptor
2.2.4 Spatial Information
2.3 Structural Description of Trademark Images
2.4 Shape Description Techniques
2.4.1 Boundary-Based Shape Description Techniques
2.4.2 Region Based Shape Description Techniques
2.5 Shape Segmentation
2.6 Features Extraction
2.6.1 Local Features
2.6.2 Global Features
2.7 Background of Genetic Algorithm
2.7.1 Introduction
2.7.2 Features of Genetic Algorithm
2.8 Shape Matching: Similarity Function Measures
2.8.1 Euclidian Distance Method
2.8.2 Bottleneck Distance Method
2.8.3 Cosine Distance Method
2.8.4 Hausdorff Distance Method
2.8.5 Fr(e)chet Distance Method
2.9 Summary
Chapter 3 Shape Based Trademark Retrieval using GA
3.1 Introduction
3.2 Problem Statement
3.3 Basic Theory and our Contribution
3.3.1 Finding Weight in Dissimilarity Function using Genetic Algorithm
3.3.2 Normalized Distance and Normalized Hausdorff distance
3.4 Segmentation Method of Shape Based Retrieval
3.5 Shape Based Features
3.5.1 Compute the Shape Orientation
3.5.2 Local Features
3.5.3 Hu Invariant Moments Group and Eccentricity
3.6 Overview of Operations of Algorithms
3.6.1 Implementation of Polar Coordinate Algorithm
3.6.2 Implementation of Genetic Algorithm
3.6.3 Implementation of Normalized Hausdorff Distance and Database Indexing
3.7 Conclusion
Chapter 4 Experiments and Evaluation
4.1 Simulation Environment
4.2 Simulation Results
4.3 Database Trademark Images Structure
4.3.1 Introduction
4.3.2 Basic Structure
4.3.3 The Pixel Data
4.4 The program
4.4.1 Operation of the Database Trademark Images Program
4.4.2 Analysis of Results
4.5 Retrieval Results Analysis
4.5.1 The Cosine and Euclidian Distances Methods
4.5.2 Summary
4.5.3 Results Analysis for NHD and DHD Methods
4.5.4 Summary
4.5.5 Results Analysis for Genetic Algorithm Weighting Assignment
4.5.6 Summary
Chapter 5 Conclusion and Future Work
5.1 Conclusion and Contribution
5.2 Future Work
References
Acknowledgements
Achievements