Segmentation, registration, and fusion of medical images

6.1 Segmentation 252 6.1.1 Intensity-based Segmentation 252 6.1.1.1 Point-based Segmentation 252 6.1.1.2 Edge-based Segmentation 254 6.1.1.3 Region-based Segmentation 256 6.1.2 Model-based Segmentation 258 6.1.3 Atlas-based Segmentation 258 6.2 Registration 259 6.2.1 Choice of Transformation 260 6.2.1.1 Rigid 261 6.2.1.2 Affine 261 6.2.1.3 Projective 262 6.2.1.4 Elastic 263 6.2.2 Finding Correspondences 263 6.2.2.1 Extrinsic Landmarks 264 6.2.2.2 Intrinsic Landmarks 264 6.2.2.3 Segmentations 264 6.2.2.4 Grids and Voxel Properties 265 6.2.3 Computing Transformations 266 6.2.3.1 Known Point to Point Correspondences 266 6.2.3.2 Point Clouds 266 6.2.3.3 Voxel Based Registration 268 6.2.4 Integration 270 6.2.4.1 Rigid Registration 270 6.2.4.2 Elastic Registration 271 6.3 Fusion 271 Acknowledgments 273 References 274