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A novel atlas-selection approach for multi-atlas based segmentation using the correlation of inter-atlas similarities
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Automated segmentation is a frequently applied task in the course of medical imaging. Furthermore, it is a substantial component of image-guided radiotherapy. Atlas based segmentation is one of the most frequently used approach for automated segmentation. [...]

Learning Shape Representations for Multi-Atlas Endocardium Segmentation in 3D Echo Images
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As part of the CETUS challenge, we present a multi-atlas segmentation framework to delineate the left-ventricle endocardium in echocardiographic images. To increase the robustness of the registration step, we introduce a speckle reduction step and a new shape [...]

Endocardial 3D Ultrasound Segmentation using Autocontext Random Forests
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In this paper, we present the use of a generic image segmentation method, namely a succession of Random Forest classifiers in an autocontext framework, for the MICCAI 2014 Challenge on Endocardial 3D Ultrasound Segmentation (CETUS). The proposed method [...]

Primal/Dual Mesh with Application to Triangular/Simplex Mesh and Delaunay/Voronoi
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This document describes an extension of ITK to handle both primal and dual meshes simultaneously. This paper describe in particular the data structure, an extension of itk::QuadEdgeMesh, a filter to compute and add to the the structure the dual of an existing [...]

Walk In A Triangulation : Straight Walk
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This document describes the implementation in ITK of the Straight Walk in a Triangulation algorithm proposed by Devillers et al. Using the exact discrete geometrical orientation predicate, and the itk::QuadEdgeMesh API of ITK, we propose an efficient [...]

Segmentation of Multi-Center 3D Left Ventricular Echocardiograms by Active Appearance Models
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Segmentation of 3D echocardiograms (3DEs) is still a challenging task due to the low signal-to-noise ratio, the limited field of view, and typical ultrasound artifacts. We propose to segment the left ventricular endocardial surface by using Active Appearance [...]

A Simple Command Line Argument Parser
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This document describes the implementation of a simple command line argument parser using the Insight Toolkit ITK. Such a parser may be useful for use in the examples of the ITK. This paper is accompanied with the source code.

I-DO: A Deformable Organisms framework for ITK
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Medical image analysis is an important problem relating to the study of various diseases. Since their inception to MICCAI in 2001, ''deformable organisms'' have emerged as a fruitful methodology with examples ranging from 2D corpus callosum segmentation [...]

Connected Component and Morphology Based Extraction of Arterial Centerlines of the Heart (CocomoBeach)
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This document describes a novel scheme for the automated extraction of the central lumen lines of coronary arteries from computed tomography angiography (CTA) data. The scheme first obtains a seg- mentation of the whole coronary tree and subsequently [...]

Polar Transforms for ITK
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Polar transform is a geometric transform, that transforms points form cartesian coordinates to so-called polar coordinates. In case of 2D space, a point in polar coordinate system is addressed by radius and angle. In image processing, polar transform is [...]

An OpenCL implementation of the Gaussian pyramid and the resampler
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Nonrigid image registration is an important, but resource demanding and time-consuming task in medical image analysis. This limits its application in time-critical clinical routines. In this report we explore acceleration of two time-consuming parts of a [...]


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