InsightSoftwareConsortium / ITKGenericLabelInterpolator

The basic idea of this generic interpolator for label images is to interpolate each label with an ordinary image interpolator, and return the label with the highest value. This is the idea used by the itk::LabelImageGaussianInterpolateImageFunction interpolator. Unfortunately, this class is currently limited to Gaussian interpolation. Using generic programming, our proposed interpolator extends this idea to any image interpolator. Combined with linear interpolation, this results in similar or better accuracy and much improved computation speeds on a test image.

ITKGenericLabelInterpolator

Overview

This is a module for the Insight Toolkit (ITK) that provides a generic interpolator for label images to interpolate each label with an ordinary image interpolator, and return the label with the highest value. This is the idea used by the itk::LabelImageGaussianInterpolateImageFunction interpolator. Unfortunately, this class is currently limited to Gaussian interpolation. Using generic programming, the proposed interpolator extends this idea to any image interpolator. Combined with linear interpolation, this results in similar or better accuracy and much improved computation speeds on a test image.

For more information, see the Insight Journal article:

Schaerer, J., Roche, F., Belaroussi, B.
A generic interpolator for multi-label images
The Insight Journal. January-December, 2014.
https://hdl.handle.net/10380/3506
https://www.insight-journal.org/browse/publication/950

Installation

Since ITK 4.10.0, this module is available in the ITK source tree as a Remote module. To enable it, set:

Module_GenericLabelInterpolator:BOOL=ON

in ITK's CMake build configuration.