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View Code? Open in Web Editor NEWA Package for Quantitative Analysis of Dynamic Contrast-Enhanced Magnetic Resonance Imaging
Home Page: http://www.dcemri.com
License: Other
A Package for Quantitative Analysis of Dynamic Contrast-Enhanced Magnetic Resonance Imaging
Home Page: http://www.dcemri.com
License: Other
Looks like ADC.fast
calls minpack.lm
, so it should be an import, not suggests.
I am attempting to use individual user-defined AIFs for each subject, as opposed to the cohort fitted AIFs supplied. Here is the function call:
fit <- dcemri.lm(con, x, mat, model="extended", aif="empirical", user=AIF, verbose=TRUE)
Where the 'AIF' object is a vector of 180 concentration values corresponding to the arterial input function.
When I use aif=fritz.hansen
the total processing takes only 30 mins to an hour or so. With this user defined AIF, the processing has been running for 8 hours, so I think something is not quite right.
What is the correct way to incorporate user-defined AIFs into the analysis?
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