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ITK currently supports real to complex conjugate forward and inverse Fourier transformation's through dedicated filters. In turn, these utilize one of a number of Fourier transform implementations, such as that available through VNL, through FFTW or through [...]

A new implementation of itk::ImageToImageFilter for efficient parallelization of image processing algorithms using Intel Threading Building Blocks
Published in The Insight Journal
Published in The Insight Journal
Modern medical imaging makes use of high performance computing to accelerate image acquisition, image reconstruction, image visualization and image analysis. Software libraries that provide implementations of key medical imaging algorithms need to efficiently [...]

We have implemented an Order K Distance Transform filter. The Order K distance transform computes the distances to the k nearest foreground pixels. Additionally the Order K Voronoi diagram can be computed.
This work was supported in part by R21 MH67054, NSF [...]

Efficient multithreading for manycore processor: Multidimensional domain decomposition using IntelĀ® TBB
Published in The Insight Journal
Published in The Insight Journal
The Insight Toolkit (ITK) utilizes a generic design for image processing filters that allows many developers to rapidly implement new algorithms. While ITK filters benefit from a platform-independent and versatile multithreading capability, the current [...]

We describe the open source implementation of an adaptive tetrahedral mesh generator particularly targeted for non-rigid FEM registration of MR images. While many medical imaging applications require robust mesh generation, there are few codes available. [...]

This filter finds the local maxima of an image. The result is returned as a PointSet.
Additionally a binary image, with 0 for background, and 1 for the points can be retrieved.

Comparison of Salient Point Detection Methods for 3D Medical Images
Published in The Insight Journal
Published in The Insight Journal
Salient points are used for various applications, such as medical image registration, tracking, stereoscopic matching. The purpose of this paper is to compare two commonly used methods to extract salient points in 3D medical images. We give an interpretation [...]

Incorporating Metric Flows and Sparse Jacobian Transformations in ITK
Published in The Insight Journal
Published in The Insight Journal
Various metrics have been proposed in the literature for performing intrinsic automatic image to image registration. Among these measures, mutual information is a very popular one because of its robustness and accuracy for a wide variety of applications. In [...]

3D Segmentation in the Clinic: A Grand Challenge II: MS lesion segmentation
Published in The MIDAS Journal
Published in The MIDAS Journal
This paper describes the setup of a segmentation competition for the automatic extraction of Multiple Sclerosis (MS) lesions from brain Magnetic Resonance Imaging (MRI) data. This competition is one of three competitions that make up a comparison workshop at [...]
