Difference between revisions of "Documentation/Nightly/Modules/DoseComparison"

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{{documentation/{{documentation/version}}/module-section|Introduction and Acknowledgements}}
 
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This work is part of the SparKit project, funded by An Applied Cancer Research Unit of Cancer Care Ontario with funds provided by the Ministry of Health and Long-Term Care and the Ontario Consortium for Adaptive Interventions in Radiation Oncology (OCAIRO) to provide free, open-source toolset for radiotherapy and related image-guided interventions.<br>
 
Author: Csaba Pinter (PerkLab, Queen's University)<br>
 
Contributor: Greg Sharp (Massachusetts General Hospital)<br>
 
Contact: Csaba Pinter, <email>pinter@cs.queensu.ca</email><br>
 
[http://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Extensions/SlicerRT Back to SlicerRT home]
 
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{{documentation/{{documentation/version}}/module-section|Module Description}}
 
The {{documentation/modulename}} module computes the difference between two co-registered dose volumes using the gamma dose distribution comparison method. This module uses the gamma Plastimatch algorithm internally.
 
 
 
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{{documentation/{{documentation/version}}/module-section|Use Cases}}
 
Comparing dose distributions
 
 
 
{|align="center"
 
|[[File:20160121_DoseComparisonUI.png|thumb|499px|Dose Comparison module UI]]
 
|[[File:SlicerRT_0.11_Gamma.png|thumb|720px|Example of the result gamma volume]]
 
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See [http://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Extensions/SlicerRT#Tutorials SlicerRT main page]
 
 
 
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* '''Reference dose volume:''' Dose distribution used as reference
 
* '''Evaluated dose volume:''' Dose distribution used as evaluation/compare
 
* '''Mask structure:''' Segmentation and contained segment within which the gamma index is calculated, but not outside (it will be 0)
 
* '''Distance-to-agreement (DTA):''' Mark dose voxel as failed if closest dose voxel with same value found in distance higher than this threshold, ''see Low paper below''
 
* '''Dose difference criteria:''' Mark dose voxel as failed if dose difference is equal or greater than this threshold, ''see Low paper below''
 
** '''Maximum value / Custom:''' Reference dose value for threshold can be either the maximum dose in the dose map, or a custom cGy value
 
* '''Do not calculate gamma values for voxels below analysis threshold'''
 
* '''Use linear interpolation'''
 
* '''Upper bound for gamma values:''' If gamma value would be higher than this value, the value will be set instead
 
* Dose threshold on reference only
 
* '''Gamma volume:''' Output volume to contain gamma map. Needs to be created using the combobox. Name will be automatically filled from the names of the input volumes
 
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{{documentation/{{documentation/version}}/module-section|Similar Modules}}
 
[http://www.slicer.org/slicerWiki/index.php/Documentation/Nightly/Modules/SegmentComparison Segment Comparison]
 
 
 
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{{documentation/{{documentation/version}}/module-section|References}}
 
* Low, D. A.; Harms, W. B.; Mutic, S. & Purdy, J. A. A technique for the quantitative evaluation of dose distributions Med. Phys, 1998, 25 (5), 656/6
 
* Low, D. A. & Dempsey, J. F. Evaluation of the gamma dose distribution comparison method Med. Phys, 2003, 30 (9), 2455/10
 
 
 
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Latest revision as of 20:46, 4 January 2026

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