The on-line DW-MRI Research Lab
Topics
  • Synthetic DW-MRI data generation,
  • Multi-fiber reconstruction,
  • Estimation of symmetric positive-definite 4th-order tensors.
    		•
    Java Applets

    FanDTasia Applet: A tool for Diffusion Weighted MRI (DT-MRI and High-order DTI) processing.

    Synthetic DW-MRI signal generator: Use this program to synthesize DW-MRI signal from fiber crossings.

    Symmetric Positive 4th-order Diffusion Tensor Estimator: Use this program to estimate the coefficients of a symmetric positive-definite 4th-order diffusion tensor.

    4th-order Exponential Diffusion Tensor Estimator: Use this program to estimate the coefficients of an exponential diffusion tensor of order 4.

    4th-order Tensor Field Visualization: Use this program to display fields of 4th-order symmetric Cartesian tensors.
    List of software packages available to download

    DescriptionVersionLink
    Command Line for 4th-order DTI estimationa20090922web-page
    fanDTasia - Software for DTI and 4th-order DTI estimation and visualization0.01.090125 Betaweb-page
    		Tutorial on DW-MRI using MATLABElectronic Editionweb-page
    		Simulation/Synthesis of Diffusion-Weighted MRI datasetsMatlab - File ID: #26999link
    		Diffusion Tensor EstimationMatlab - File ID: #27000link
    		Diffusion Tensor Field VisualizationMatlab - File ID: #26998link
    		Higher Order Diffusion Tensor EstimationMatlab - File ID: #27001link
    		fanDTasia ToolBoxMatlab - File ID: #26997link
    Selected related publications

    A. Barmpoutis, B. C. Vemuri, D. Howland, J. R. Forder, "Regular Positive-Definite Fourth-Order Tensor Field Estimation from DW-MRI", NeuroImage, 2009
    A. Barmpoutis, B. Jian, B. C. Vemuri, "Adaptive kernels for multi-fiber reconstruction", IPMI, 2009
    A. Barmpoutis, B. Jian, B. C. Vemuri, T. M. Shepherd, "Symmetric Positive 4th Order Tensors & their Estimation from Diffusion Weighted MRI", IPMI, 2007
    A. Barmpoutis, B. C. Vemuri, "Exponential Tensors: A framework for efficient higher-order DT-MRI computations", ISBI, 2007
    Click here for abstracts, BibTex entries, and PDFs.