Compute a positive definite estimate of the Ensemble Average Propagator (EAP) and Orientation Density Function (ODF) using the approach of Cjeng et. al (2012).
1 2  ## S4 method for signature 'dtiData'
dwiSqrtODF(object,what="sqrtODF",order=4,forder=1,lambda=0,D0=1.4e3)

object 
Object of class 
what 
Character, currently only "sqrtODF" is possible 
order 
Even integer, Order of spherical harmonics approximation. 
forder 
Integer, Order of radial approximation. 
lambda 
Nonnegative, Regularization parameter. 
D0 
Numeric vector, grid of diffusivity parameters, typically about 1e3. 
signature(object = "ANY")
Returns a warning.
signature(object = "dtiData")
Compute a positive definite estimate of the Ensemble Average Propagator (EAP) and Orientation Density Function (ODF) using the approach of Cjeng et. al (2012).
Karsten Tabelow tabelow@wiasberlin.de
J\"org Polzehl polzehl@wiasberlin.de
J. Cheng, T. Jiang and R. Deriche. Nonnegative Definite EAP and ODF Estimation via a Unified MultiShell HARDI Reconstruction, MICCAI 2012.
dtiData
,
readDWIdata
,
dtiData
,
dwiQball
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