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More About This Title 2-D and 3-D Image Registration for Medical, Remote Sensing, and Industrial Applications
English
English
English
Preface xi
Acknowledgments xiii
Acronyms xv
1 Introduction 1
1.1 Terminologies 3
1.2 Steps in Image Registration 4
1.3 Summary of the Chapters to Follow 5
1.4 Bibliographical Remarks 5
2 Preprocessing 7
2.1 Image Enhancement 7
2.1.1 Image smoothing 7
2.1.2 Deblurring 11
2.2 Image Segmentation 15
2.2.1 Intensity thresholding 15
2.2.2 Boundary detection 17
2.3 Summary 39
2.4 Bibliographical Remarks 40
3 Feature Selection 43
3.1 Points 43
3.2 Lines 51
3.2.1 Line detection using the Hough transform 52
3.2.2 Least-squares line fitting 53
3.2.3 Line detection using image gradients 56
3.3 Regions 58
3.4 Templates 59
3.5 Summary 60
3.6 Bibliographical Remarks 60
4 Feature Correspondence 63
4.1 Point Pattern Matching 63
4.1.1 Matching using scene coherence 64
4.1.2 Matching using clustering 67
4.1.3 Matching using invariance 70
4.2 Line Matching 74
4.3 Region Matching 77
4.3.1 Shape matching 78
4.3.2 Region matching by relaxation labeling 82
4.4 Chamfer Matching 86
4.4.1 Distance transform 87
4.5 Template Matching 92
4.5.1 Similarity measures 92
4.5.2 Gaussian-weighted templates 99
4.5.3 Template size 100
4.5.4 Coarse-to-fine methods 101
4.6 Summary 103
4.7 Bibliographical Remarks 103
5 Transformation Functions 107
5.1 Similarity Transformation 112
5.2 Projective and Affine Transformations 115
5.3 Thin-Plate Spline 116
5.4 Multiquadric 120
5.5 Weighted Mean Methods 123
5.6 Piecewise Linear 129
5.7 Weighted Linear 131
5.8 Computational Complexity 134
5.9 Properties of the Transformation Functions 136
5.10 Summary 139
5.11 Bibliographical Remarks 140
6 Resampling 143
6.1 Nearest Neighbor 144
6.2 Bilinear Interpolation 145
6.3 Cubic Convolution 147
6.4 Cubic Spline 149
6.5 Radially Symmetric Kernels 150
6.6 Summary 153
6.7 Bibliographical Remarks 154
7 Performance Evaluation 155
7.1 Feature Selection Performance 156
7.2 Feature Correspondence Performance 160
7.3 Transformation Function Performance 161
7.4 Registration Performance 163
7.5 Summary 164
7.6 Bibliographical Remarks 164
8 Image Fusion 167
8.1 Fusing Multi-Exposure Images 168
8.1.1 Image blending 168
8.1.2 Examples 172
8.2 Fusing Multi-Focus Images 175
8.3 Summary 177
8.4 Bibliographical Remarks 177
9 Image Mosaicking 181
9.1 Problem Description 182
9.2 Determining the Global Transformation 182
9.3 Blending Image Intensities 185
9.4 Examples 186
9.5 Mosaicking Range Images 189
9.6 Evaluation 192
9.7 Summary 193
9.8 Bibliographical Remarks 194
10 Stereo Depth Perception 197
10.1 Stereo Camera Geometry 198
10.2 Camera Calibration 202
10.3 Image Rectification 204
10.4 The Correspondence Process 207
10.4.1 Constraints in stereo 207
10.4.2 Correspondence algorithms 210
10.5 Interpolation 217
10.6 Summary 219
10.7 Bibliographical Remarks 220
Glossary 223
References 229
Index 255
