FRAT: Difference between revisions

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<b>[http://public.kitware.com/Wiki/FRAT Home]</b>
<b>[http://public.kitware.com/Wiki/FRAT Home]</b>
*[[FRAT/About | About]]
*[[FRAT/Images | Image Gallery]]
*[[FRAT/Images | Image Gallery]]
*[[FRAT/Data | Data and Publications]]
*[[FRAT/Data | Data and Publications]]
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<b>For Users</b>
<b>For Users</b>
* [[FRAT/Documentation | Methods & Apps]]
* [[FRAT/Install_Guide | Installation Guide]]
* [[FRAT/Slicer | FRAT with Slicer]]
* [[FRAT/Slicer | FRAT with Slicer]]
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<b>For Developers</b>
<b>For Developers</b>
* [[FRAT/Library | libFRAT]]
* [[FRAT/Documentation | API Documentation]]
* [[FRAT/Development | Development Docs]]
* [[FRAT/Development | Development Docs]]
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== Technical Focus ==
== Technical Focus ==


* [[TubeTK/Vascular_Pattern_Analysis | Vascular pattern analysis]] is the characterization and comparison of individuals and populations based on "spatial graphs" as representations of vascular networks.
* '''Large Displacement Diffeomorphic Metric Mapping (LDDMM)''' is the core problem of computing a time-dependent and spatially-varying velocity field which accounts for deformation between a pair of images.
* [[TubeTK/Sliding_Organ_Registration | Sliding organ registration]] are methods for registering images of multiple organs in which the organs may have shifted, expanded, or compressed independently.
* '''Cross sectional atlas construction''' computes a geometric average of a set of images.
* [[TubeTK/Intra-operative_Ultrasound_Registration | Intra-operative ultrasound registration]] is the grand challenge of real-time transcription of pre-operative surgical plans into intra-operative ultrasound images.
* '''Time series registration''' computes a growth trajectory for a series of longitudinally related images (typically more than two).
* '''Longitudinal atlas construction''' computes the geometric average of a set of time series models. This is used when producing an atlas to represent growth in a population.
* '''Geometric metamorphosis''' registers between images where the underlying structures change and thus a perfect structural match is impossible.
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Latest revision as of 22:17, 11 August 2011

__NOTITLE__


(F)luid (R)egistration and (A)tlas (T)oolkit


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Contact Us

Overview

FRAT provides c++ libraries and command line applications for performing fluid registration based operations on 2D and 3D images. The registration method used throughout is based on the large displacement diffeomorphic metric mapping (LDDMM) technique. We use variants of LDDMM to address the problems of time series analysis, cross-sectional atlas building, longitudinal atlas building, and geometric metamorphosis.

Command Line Tools

  • LDDMM: Fluid registration between two images.
  • TimeSeries: Time series analysis of longitudinal data for a single subject.
  • AtlasBuilder: Cross-sectional atlas building for a population of images.
  • LongitudinalAtlasBuilder: Longitudinal atlas building for a population of subjects, each with a longitudinal data set.
  • GeometricMetamorphosis: Perform registration on image pairs undergoing geometric change.
  • FRATUtils: A colleciton of utilitiy functions for working with volumes and time seried files.

Driving Applications

Technical Focus

  • Large Displacement Diffeomorphic Metric Mapping (LDDMM) is the core problem of computing a time-dependent and spatially-varying velocity field which accounts for deformation between a pair of images.
  • Cross sectional atlas construction computes a geometric average of a set of images.
  • Time series registration computes a growth trajectory for a series of longitudinally related images (typically more than two).
  • Longitudinal atlas construction computes the geometric average of a set of time series models. This is used when producing an atlas to represent growth in a population.
  • Geometric metamorphosis registers between images where the underlying structures change and thus a perfect structural match is impossible.
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