Computer Engineer

Current projects:

Anatomical to EPI registration: align_epi_anat.py script. The program uses the lpc algorithm described in HBM 2008 PDF here -  http://afni.nimh.nih.gov/sscc/rwcox/abstracts/

Obliquity: How to deal with oblique datasets in AFNI. Dealing with Obliquity in AFNI

DTI-Query - DTI Tractography program by David Akers and Anthony Sherbondy at Stanford. Integration with AFNI. See http://afni.nimh.nih.gov/sscc/dglen/DTIQuery

Diffusion Tensor Imaging - developed non-linear model that allows for noise in the diffusion weighted images.

PDF presentation, April 19, 2005.  Diffusion Tensor Estimation Method

Anisotropic smoothing technique. Rotationally invariant method. The 3danisosmooth program and method are described here

 3danisosmooth PDF and in the Presentations folder.

Example below of DTI fiber tractography volumes rendered with AFNI from data processed with AFNI and DTIStudio.

Downloadable files:

http://afni.nimh.nih.gov/sscc/staff/glend/

Contact Info:

Email: glend at mail.nih.gov

Phone: 301-451-6236