2019-11-19 version 1.4.3 2014-05-07 version 1.2-0 - new functions to (locally) estimate scale parameter in non-central chi distribution awssigmc(), awslsigmc(), afsigmc(), aflsigmc() 2013-11-26 version 1.1-7 - Diffusion Kurtosis Imaging (DKI), new methods dkiTensor() and dkiIndices() - msPOAS implemented - new fibre tracking analysis tools 2013-03-22 version 1.1-4 - corrections in openMP for MacOS X - extended models for tensor mixtures (new models with isotropic comartment) slight changes in parameters in dwiMixtensor, see documentation - changes in show3d: description of subcubes by indexvectors xind, yind, zind instead of length's nx, ny, nz and centers 2012-12-11 version 1.1-1 - sdpar() in interactive mode now resets old graphics parameters 2012-11-23 version 1.1-0 This is a major release using parallized code (openMP or using package parallel where appropriate). Experimental code for Jian Chengs method for non-negative definte EAP and ODF estimates (MICCAI 2012) has been added. - Several bugfixes (parallelization in dwiMixtensor, ODF estimation (Aganji) - Default in show3d habe been changed from odfscale=3 (constant volume) to odfscale=1 (radial distances == ODF values) - further parallelization (openMP) and code optimization (avoiding multiple aperms on si) - optimization for Jian Chengs non-negative definte EAP and ODF estimates - Bugfix in ODF estimation (Aganji) 2012-09-12 version 1.0-7 - package no longer depends on fmri, but oro.nifti for IO. 2012-05-21 -added function awssigmc for estimation of noise standard deviation (experimental). 2012-01-31 - added KL-distance for multicoil-systems in dwi.smooth - dwi.smooth now has alternative discrepancies - added method getmask 2011-12-01 version 1.0-2 - added dependency on R-2.14.0 and package parallel - new function pmatrix 2011-12-01 version 1.0-1 - code polishing to avoid unnecessary loops in Fortran 2011-11-30 version 1.0-0 - added method dwi.smooth: adaptive smoothing for DWI data - additional parameters in dwiMixtensor for improved initial estimates 2011-10-04 version 0.9-7.3 - C-code for dwiMixtensor 2011-09-09 version 0.9-7.2 - new method dwiRiceBias for Rice-Bias correction 2011-07-28 version 0.9-7.1 - bugfixes in method sdpar: produced empty interior volumes if applied to DWI-data consiting of only one slice 2011-06-24 version 0.9-7 - extract for dwiMixtensor objects failed on what="s0" 2011-10-24 version 0.9-6.3 - fixed warnings in LawsonHansonnnls.f "Rank mismatch in argument 'c' at (1) (rank-1 and scalar)" for variable DUMMy in call H12 - fixed warnings in mixtens.f (subroutine mpl0gn) for undeclared variable w - removed write() line in LawsonHansonnnls.f (CRAN NOTE) 2011-06-07 version 0.9-6.2 - fix for depreciated argument gamma in hsv and rainbow (R 2.13) 2011-04-26 version 0.9-6 - bugfix in Fortran code (regularisation to force tensors to be positive definite) in function dtiTensor - removed platform dependencies when using the gsl-package 2011-03-24 version 0.9-5 - added model with isotropic compartment for dwiMixtensor - bugfixes for analytical gradients in dwiMixtensor 2011-03-03 version 0.9-4 - dwiQball now also works on Windows - new functions dwiMtImprove and dwiMtCombine for tensor mixture models - different strategie for initial estimates 2010-10-05 version 0.9-3 - improved initial estimates for tensor mixture models - extended demos (e.g. variable number of gradients) 2010-09-13 version 0.9-3 - compactified storage of fibers - new method reduceFibers for dwiFiber-objects - bugfixes in initial estimates for mixTensor-models 2010-07-15 version 0.9-2.1 - removed dependency on OMP - some changes in documentation 2010-07-08 version 0.9-2 - method dwiMixtensor for tensor mixture models - coherent handling of orientation information - fiber tracking for tensor mixture models (experimental) - new demo mixtens_art for tensor mixture models 2010-04-07 version 0.9-1 - alternative dwiMixtensor implementation using partial nonlinear models - bugfix in c++ code - bug-fix in Makevars (missing newline) 2010-03-04 version 0.9-1 - dwiMixtensor re-implemented in C to run faster 2010-01-28 version 0.9-0 - changed class definition (removed roix,roiy,roiz added roimask) new method selectFibers to select fibers with minimal length minlength crossing a region of interest given by roix, roiy, roiz or nroimask 2009-12-18 version 0.9-0 - Muenster color scheme for FA maps (plot.dtiIndices) is method==6 now 2009-12-15 version 0.9-0 - bugfix in dwiMixtensor(): use mfun3 for optim() case "Jian2" - new method tracking() for class "dwiMixtensor" - bugix in extract() for dwiMixtensor: now calculating what="andir" 2009-12-11 version 0.9-0 - introduce subsampling for fibre tracking, - rename xind to roix in show3d() function, - new rgl devices always with open3d() to have identical frame orientation 2009-07-28 version 0.9-0 - added fiber tracking using line propagation algorithm including rgl-visualization - bugfix for ADC SH coeff ADC -log(si/s0) not -log(si) (usually negative!!) 2009-04-15 version 0.8-0 - much work done on visualization based on polyeders (faster) - included visualization of ODF and related (new class dtiqball) 2008-12-04 version 0.6-0 - major update to include 3D visualization with rgl - included Rician bias correction - included non-linear regression tensor estimation - implemented print(), summary(), show(), extract() on all classes 2008-10-07 version 0.5-6 - new function readDWIdata reads DWI data from directories with imaging files (DICOM,NIFTI,AFNI,ANALYZE) - documentation now consistent with S4-documentation 2008-01-21 version 0.4-0 - plot() on dtiIndices has new argument view for axial, sagittal, coronal view