Biomedical Engineering Reference
In-Depth Information
Chapter7
ImageProcessingTechniquesin
EmissionTomography
Fabian Gigengack, Michael Fieseler, Daniel Tenbrinck, and Xiaoyi
Jiang
Department of Mathematics and Computer Science, University of Munster,
Munster, Germany
7.1 Introduction :::::::::::::::::::::::::::::::::::::::::::::::::::::: 119
7.2 Denoising ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 121
7.2.1 Image domain :::::::::::::::::::::::::::::::::::::::::::: 122
7.2.2 Fourier transform domain ::::::::::::::::::::::::::::::: 123
7.2.3 Wavelet transform domain :::::::::::::::::::::::::::::: 124
7.3 Interpolation ::::::::::::::::::::::::::::::::::::::::::::::::::::: 126
7.4 Registration :::::::::::::::::::::::::::::::::::::::::::::::::::::: 129
7.4.1 Categorization ::::::::::::::::::::::::::::::::::::::::::: 130
7.4.1.1 Nature of transformation ::::::::::::::::::::: 132
7.4.1.2 Similarity measure :::::::::::::::::::::::::::: 133
7.4.2 Validation :::::::::::::::::::::::::::::::::::::::::::::::: 135
7.4.3 Software :::::::::::::::::::::::::::::::::::::::::::::::::: 137
7.5 Partial volume correction :::::::::::::::::::::::::::::::::::::::: 137
7.5.1 The partial volume eect in PET imaging :::::::::::::: 138
7.5.2 Correction methods :::::::::::::::::::::::::::::::::::::: 140
7.6 Super-resolution :::::::::::::::::::::::::::::::::::::::::::::::::: 144
7.7 Validation :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 146
7.7.1 Intensity-based measures :::::::::::::::::::::::::::::::: 146
7.7.2 Phantoms :::::::::::::::::::::::::::::::::::::::::::::::: 148
7.7.2.1 Hardware ::::::::::::::::::::::::::::::::::::: 148
7.7.2.2 Software :::::::::::::::::::::::::::::::::::::: 149
References ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 150
7.1 Introduction
Image processing is an essential part of medical imaging in general, and
emission tomography in particular. Formally, an output image (or multiple
119
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