Modules:PlastimatchLANDWARP

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Plastimatch > Landmark-based Registartion

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General Information

Module Type & Category

Type: CLI

Category: Plastimatch

Authors, Collaborators & Contact

• Authors: See COPYRIGHT.TXT contained within the package
• Contact: Nadya Shusharina, Department of Radiation Oncology, Massachusetts General Hospital (nshsuharina@partners.org)
• Web page: http://plastimatch.org

Module Description

This is the plastimatch landmark-based deformable image registration module. The intended application of this method is rapid, interactive correction of registration failures with a small number of mouse clicks. Compared to other landmark-based methods, the plastimatch registration method might offer:

1. both local and global registration
2. regularization of the deformation field

Examples of how this module is being used:

• Intra-subject registration for adaptive radiotherapy
• Inter-subject registration for automatic segmentation

Usage

Tutorials

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Quick Tour of Features and Use

Input/Output panel: Fixed Volume: Here you choose the "fixed image", which is the reference image. Moving Volume: Here you choose the "moving image", which will be warped to match the fixed image. Output Volume: Here you choose where to put the warped image. You can replace an existing image in the scene, or create a new image. Basis function: Here you can choose either tps (thin plate splines), or gauss (Gaussian RBF), or wendland (Wendland RBF). RBF radius: Here you can choose the radius of RBF. Stiffness: Here you can choose the regularization coefficient. Default Pixel Value: Here you can choose the value for pixels with unknown value. Development Notes from the Developer(s) Developer-oriented documentation is found on the plastimatch web site: http://plastimatch.org Dependencies This module has no dependencies. Tests Plastimatch features approximately 100 test cases. Known bugs Usability issues Please report usability issues to the bug tracker. http://forge.abcd.harvard.edu/gf/project/plastimatch/tracker/?action=TrackerItemBrowse&tracker_id=450 Source code & documentation We recommended to download the latest source code from subversion: Project page Source download (svn access) Documentation: http://plastimatch.org More Information About plastimatch Plastimatch is an open source software for deformable image registration. It is designed for high-performance volumetric registration of medical images, such as X-ray computed tomography (CT), magnetic resonance imaging (MRI), and positron emission tomography (PET). Software features include: B-spline method for deformable image registration (GPU and multicore accelerated) Demons method for deformable image registration (GPU accelerated) ITK-based algorithms for translation, rigid, affine, demons, and B-spline registration Pipelined, multi-stage registration framework with seamless conversion between most algorithms and transform types Landmark-based deformable registration using thin-plate splines for global registration Landmark-based deformable registration using radial basis functions for local corrections Broad support for 3D image file formats (using ITK), including Dicom, Nifti, NRRD, MetaImage, and Analyze Dicom and DicomRT import and export XiO import and export Plugins for 3D Slicer Plastimatch also features two handy utilities which are not directly related to image registration: FDK cone-beam CT reconstruction (GPU and multicore accelerated) Digitally reconstructed radiograph (DRR) generation (GPU and multicore accelerated) Acknowledgment National Institutes of Health NIH / NCI 6-PO1 CA 21239 Federal share of program income earned by MGH on C06CA059267 Progetto Rocca Foundation A collaboration between MIT and Politecnico di Milano References G Sharp et al. "Plastimatch - An open source software suite for radiotherapy image processing," Proceedings of the XVIth International Conference on the use of Computers in Radiotherapy, May, 2010. N. Shusharina, G. Sharp "Landmark-based image registration with analytic regularization", IEEE Trans. Med. Imag., submitted