EIDORS: Electrical Impedance Tomography and Diffuse Optical Tomography Reconstruction Software

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EIDORS Image Reconstruction

>>run /path/to/eidors3d/startup.m

EIDORS Image Reconstruction

• One-line starter program

• EIDORS Basics

• Breathing baby (from Wikipedia page)

• Solving a forward model with EIDORS

• Solving a 3D forward model with EIDORS

• Viewing surface and internal voltage on 3D shape

• Basic Image reconstruction

• Reconstruction of real and complex components

• Basic 3D Image reconstruction

• Basic Absolute 3D Image reconstruction

• Absolute and difference solvers

• Sensitivity of EIT and Reconstruction

• Compare 2D Image reconstruction

• Compare 3D Image reconstruction

• Compare Algorithm Performance (GREIT parameters)

• GN reconstruction vs Backprojection

• Conductivity contrasts and shape

• Effect of electrode contact impedance

• Higher order 2D FEM solvers (quadratic and cubic)

• Higher order 3D FEM solvers (quadratic)

• Convergence study of higher order FEM and contact impedance

More advanced Image Reconstruction

• Nodal Solvers

• Iterative GN reconstruction 3D

• Total Variation reconstruction 2D

• Total Variation: choice of hyperparameters

• Approaches to choose hyperparameter: NF, L-curve, SNR

• Temporal image reconstruction of moving objects

• Correct timing of acquired data for effect of serial data collection

• Managing Electrode Errors

• Transient effects with time domain current stimulus

• Absolute image reconstruction

• Exploration of "Cheating" in image reconstruction

Dual model image reconstruction

• Introduction to dual models

• Partially overlapping dual models

• "2½D" Image Reconstruction

• Cross section of a pipe flow

• Reconstruction of a layer of a 3D model

• Dual models reconstructing onto a rectangular pixelization

• 3D−3D Dual Models

Image Reconstruction with electrode movement

• Reconstruct Image and Electrode movement in 2D

• Reconstruct Image and Electrode movement in 3D

Unexpected Effects

• Opposite Stimulation and Measurement produces mirror images

• Conformal Mapping deformations of boundary shape

• Imaging with absolute value of measurements

• Anisotropic deformations of medium

• "Banana-shaped" minima region