Fast Tracking of the Left Ventricle Using Global Anatomical Affine Optical Flow and Local Recursive Block Matching
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We present a novel method for segmentation and tracking of the left ventricle (LV) in 4D ultrasound sequences using a combination of automatic segmentation at the end-diastolic frame and tracking using both a global optical flow-based tracker and local block [...]

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

Direct Fourier Tomographic Reconstruction Image-To-Image Filter
We present an open-source ITK implementation of a direct Fourier method for tomographic reconstruction, applicable to parallel-beam x-ray images. Direct Fourier reconstruction makes use of the central-slice theorem to build a polar 2D Fourier space from the [...]

A Spline-Driven Image Slicer
In this article, a spline driven image slicer algorithm is presented. It is concretized through a vtkAlgorithm-inherited class that takes two inputs and gives two outputs. The first input is the volume from which the slice should reconstructed while the [...]

An ITK Implementation of the Symmetric Log-Domain Diffeomorphic Demons Algorithm
This article provides an implementation of the symmetric log-domain diffeomorphic image registration algorithm, or symmetric demons algorithm for short. It generalizes Thirion's demons and the diffeomorphic demons algorithm. The main practical advantages of [...]

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