Téléchargez le livre : Handbook of Biomedical Image Analysis

Handbook of Biomedical Image Analysis

Volume 3: Registration Models de

,

Éditeur :

Springer


Collection :

Topics in Biomedical Engineering. International Book Series

Paru le : 2007-04-25

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Description
Our goal is to develop automated methods for the segmentation of thr- dimensional biomedical images. Here, we describe the segmentation of c- focal microscopy images of bee brains (20 individuals) by registration to one or several atlas images. Registration is performed by a highly parallel imp- mentation of an entropy-based nonrigid registration algorithm using B-spline transformations. We present and evaluate different methods to solve the cor- spondence problem in atlas based registration. An image can be segmented by registering it to an individual atlas, an average atlas, or multiple atlases. When registering to multiple atlases, combining the individual segmentations into a ?nalsegmentationcanbeachievedbyatlasselection,ormulticlassi?erdecision fusion. Wedescribeallthesemethodsandevaluatethesegmentationaccuracies that they achieve by performing experiments with electronic phantoms as well as by comparing their outputs to a manual gold standard. The present work is focused on the mathematical and computational t- ory behind a technique for deformable image registration termed Hyperelastic Warping, and demonstration of the technique via applications in image regist- tion and strain measurement. The approach combines well-established prin- ples of nonlinear continuum mechanics with forces derived directly from thr- dimensional image data to achieve registration. The general approach does not require the de?nition of landmarks, ?ducials, or surfaces, although it can - commodate these if available. Representative problems demonstrate the robust and ?exible nature of the approach. Three-dimensional registration methods are introduced for registering MRI volumes of the pelvis and prostate. The chapter ?rst reviews the applications, xi xii Preface challenges,and previous methods of image registration in the prostate.
Pages
574 pages
Collection
Topics in Biomedical Engineering. International Book Series
Parution
2007-04-25
Marque
Springer
EAN papier
9780306486074
EAN PDF
9780306486081
Informations sur l'ebook
Nombre pages copiables
5
Nombre pages imprimables
57
Taille du fichier
15544 Ko
Prix
389,29 €

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