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Contributions to the Normalized Correlation and the Mean Squares Metric
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This document describes contributions on the NormalizedCorrelationImageToImageMetric and the MeanSquaresImageToImageMetric of the Insight Toolkit ITK url{www.itk.org}. For the first metric a two time speed-up can be achieved by rewriting the code to loop [...]

Generating a Deformation Field from a Transform
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This document describes a new class that takes an doxygen{Transform} and evaluates the deformation at points in a user-defined region. The class is implemented using the Insight Toolkit url{www.itk.org}. This paper is accompanied with the source code, [...]

Combining Transforms in ITK
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The current ITK release 2.6 does not contain a way to combine transforms in a structural way. This document describes a contribution to the Insight Toolkit ITK url{www.itk.org}, which implements what we call an doxygen{CombinationTransform}. Two ways to [...]

A program to cast and convert image files
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This program, based completely on ITK, converts between the different file types available in the ITK. Casting between the different pixel component types is available as an option. Currently, only scalar pixel types are supported.

Helper classes for the BSplineDeformableTransform
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noindent This document describes two new classes that facilitate the use of the doxygen{BSplineDeformableTransform} in multiresolution registration algorithms. The first class, doxygen{GridScheduleComputer}, defines the B-spline grid, based on a [...]

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.

An image sampling framework for the ITK
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This document describes the implementation of image samplers using the Insight Toolkit ITK url{www.itk.org}. Image samplers take a set of `picks' from an image and store them in an array. A sample consists of the location of the pick (a point) and the [...]

Itk::Transforms supporting spatial derivatives
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This document describes the use and implementation of first and second order spatial derivatives of coordinate transformations in the Insight Toolkit url{www.itk.org}). Spatial derivatives are useful for many types of regularising or penalty terms frequently [...]

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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ISSN 2327-770X
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