时空视频检索 英文PDF电子书下载

Chapter Ⅰ Introduction 1

1.1 Motivation 1

1.2 Proposed Solution 5

1.3 Structure of Book 8

Chapter Ⅱ Approaches to Video Retrieval 10

2.1 Introduction 10

2.2 Video Structure and Properties 11

2.3 Query 34

2.4 Similarity Metrics 38

2.5 Performance Evaluation Metrics 41

2.6 Systems 43

Chapter Ⅲ Spatio-temporal Image and Video Analysis 47

3.1 Spatio-temporal Information for Video Retrieval 48

3.2 Spatial Information Modelling in Multimedia Retrieval 50

3.3 Temporal Model 67

3.4 Spatio-temporal Information Fusion 76

Chapter Ⅳ Video Spatio-temporal Analysis and Retrieval(VSTAR):A New Model 89

4.1 VSTAR Model Components 92

4.2 Spatial Image Analysis 94

4.3 A Model for the Temporal Analysis of Image Sequences 100

4.4 Video Representation,Indexing,and Retrieval Using VSTAR 109

4.5 Conclusions 129

Chapter Ⅴ Two Comparison Baseline Models for Video Retrieval 131

5.1 Baseline Models 131

5.2 Adjeroh et al.(1999)Sequences Matching—Video Retrieval Model 133

5.3 Kim and Park(2002a)data set matching—Video Retrieval Model 135

Chapter Ⅵ Spatio-temporal Video Retrieval—Experiments and Results 137

6.1 Purpose of Experiments 137

6.2 Data Description 138

6.3 Spatial and Temporal Feature Extraction 142

6.4 Video Retrieval Models:Procedure for Parameter Optimisation 146

6.5 Video Retrieval Models:Results on Parameter Optimisation 147

6.6 Comparison of Four Models 149

6.7 Model Robustness(Noise) 154

6.8 Computational Complexity 156

6.9 Conclusions 159

Chapter Ⅶ Conclusions 160

7.1 Reflections on the book as a whole 160

7.2 Support for book statement 161

7.3 Limitations of the spatio-temporal knowledge-based model 161

7.4 Directions for further work 162

Appendix A Compressed vs.Uncompressed Video 163

Appendix B Video Annotation 168

B.1 Semi-automatic Video Annotation System 168

B.2 Automatic Annotation by Object Tracking 169

Appendix C Object-pair Correlation Matrix 173

Appendix D Key-frames Extraction 175

D.1 Feature-based Representation and Similarity Measures 175

D.2 Threshold Selection 176

Appendix E Audio Features 177

Reference 180