Difference between revisions of "VolCT - Group 1B"

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==Current Goals & Status:==
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* Question: What is measurement variation for different software/user methods for a reference set of image data?
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** Intra-rater reliability, i.e., test-retest precision for pre-specified tumors (a.k.a. "marked up") by single image analysis operators
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** Ground Truth:  Pooled from all image analyses meeting quality criteria to estimate confidence intervals around "true" volume.
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** Approach: Patient Change Data from RIDER Database:
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*** > 300 cases as of Sept 2008
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*** Most with multiple time points
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*** Few with thin slice (<1.5 mm thick) image data
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*** No contours provided (user has to provide their own as part of measurement)
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*** no outcome data
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*** Publicly Available on NCIA
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* Related Profile: [[CT_Lung_Nodule_Volume_Quantification_Profile#Activity:_Measurement| Lung Vol Quantification - Measurement Activity]]
 
*[[Vol-CT  - 1B Group Call Summaries]]
 
*[[Vol-CT  - 1B Group Call Summaries]]
 
*[[Media:Proposed_Group_1B_Questions_and_Datasets_2008-11-05v2.ppt|Proposed Group 1B Questions & Datasets (2008-11-05-v2) -- This is the powerpoint file that the 1B Group developed from our last conf call. Comments welcome - Mike]]
 
*[[Media:Proposed_Group_1B_Questions_and_Datasets_2008-11-05v2.ppt|Proposed Group 1B Questions & Datasets (2008-11-05-v2) -- This is the powerpoint file that the 1B Group developed from our last conf call. Comments welcome - Mike]]

Revision as of 13:10, 16 December 2008

Current Goals & Status: