The Insight Journal is an Open Access on-line publication covering the domain of medical image processing and visualization.

The unique characteristics of the Insight Journal include:

- Open-access to articles, data, code, and reviews
- Open peer-review that invites discussion between reviewers and authors
- Emphasis on reproducible science via automated code compilation and testing
- Support for continuous revision of articles, code, and reviews

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An OpenCL implementation of the Gaussian pyramid and the resampler
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 [...]

Primal/Dual Mesh with Application to Triangular/Simplex Mesh and Delaunay/Voronoi
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 [...]

Shape-based Interpolation of a Set of 2D Slices
We implemented the shape-based interpolation method described by Raya and Udupa in 1990 for three-dimensional images, and created two standalone filters using the Insight Toolkit ITK. The image to be interpolated must be a 3D binary image which represents an [...]

Document Object Model based XML Handling in ITK
The Insight Segmentation and Registration Toolkit (ITK) previously provided a framework for parsing Extensible Markup Language (XML) documents using the Simple API for XML (SAX) framework. While this programming model is memory efficient, it places most of [...]

Principal Components Analysis of Scalar, Vector, and Mesh Vertex Data
This document describes a contribution to the Insight Toolkit intended to support the analysis of the principal components of data sets, optionally point data associated with the vertices of a mesh. This paper is accompanied with the source code, input data, [...]

Unwarping Echo Planar Images Using CMTK
No opinion
This document describes the workflow for unwarping echo planar MR images (EPI), in particular diffusion-weighted images, using an acquisition method with reversed phase encoding and the tools of the Computational Morphometry Toolkit (CMTK). This technique [...]

An implementation of the minimization of region-scalable fitting energy levelsets
Intensity inhomogeneities often occur in medical images, especially when using magnetic resonance imaging. In these images, the standard Chan-and-Vese levelset segmentation method may not work properly, as it assumes constant intensity distributions for [...]

An ITK Implementation of Physics-based Non-rigid Registration Method
As part of the ITK v4 project efforts, we have developed ITK filters for physics-based non-rigid registration (PBNRR), which satisfies the following requirements: account for tissue properties in the registration, improve accuracy compared to rigid [...]

Next Generation of the JAVA Image Science Toolkit (JIST) Visualization and Validation
Modern medical imaging analyses often involve the concatenation of multiple steps, and neuroimaging analysis is no exception. The Java Image Science Toolkit (JIST) has provided a framework for both end users and engineers to synthesize processing modules into [...]

Incremental Delaunay Triangulation
This document describes the implementation in ITK of the Incremental Delaunay Triangulation algorithm. Using the Straight Walk in Triangulation function, the exact discrete geometrical orientation predicate, and the itk::QuadEdgeMesh API of ITK , we propose a [...]

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Publication of the Month
Diffeomorphic Demons Using ITK's Finite Difference Solver Hierarchy
by Vercauteren T., Pennec X., Perchant A., Ayache N.

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