Tensor Voting Framework

Implementation of the 2D medioni tensor framework

bugs.NOTE:* Line 70 in create_stick_tensorfield is not part of Medioini's description of the tensor stick field, however it was added to make the tensor field the same as the diagrams in Medioni's text. To

Diffusion Tensor Field (DTI) Visualization

This function plots 3D symmetric positive definite matrices as a field of Gaussian ellipsoids.

The plotDTI function plots a single tensor, a row of tensors, or a 2D field of tensors as Gaussian ellipsoids. The tensors must be given as 3x3 symmetric positive definite matrices.

uFVM

Learning the Finite Volume Method in CFD with MATLAB Programming

Toolbox image

A toolbox that contains image processing functions

Toolbox signal

Signal processing related functions.

Toolbox diffc

A toolbox to perform differential calculus on a matrix.

Diffusion Tensor Field (DTI and Higher-Order) Visualization

Plots a field of any even-order Positive-Definite Tensors as spherical functions.

This function plots a 2D field of 3D even-order tensors as spherical functions. The 3D tensors must be given as a list of the unique tensor coefficients. The field can contain either a single tensor

COSMOSS

COSMOSS is a Coupled OScillator MOdel Spectrum Simulator

FiberQ

Automatic quantification of dna fibers from fluorescent images

StressField2D-Investigator

Investigating 2D stress field via principal stress lines, stress field visualization

# StressField2D_Investigator_exportedSuccessfully tested on Matlab R2019a and subsequent versions# Functionality:Principal stress lines (PSLs) based 2D stress field investigation.The program allows

Fourier based method for rapid magnetic field perturbation calculation with susceptibility tensors

An algorithm implementing the Fourier transform of Maxwell’s equations in tensor form

# Method:This algorithm implements the Fourier transform of Maxwell’s equations in tensor form, allowing for the forward calculation of induced field from a cylinder of known susceptibility in 3D.In

fanDTasia ToolBox

A library for DW-MRI Processing, DTI & DKI Estimation, Higher-Order Tensor analysis & Visualization.

A Matlab library for Diffusion Weighted MRI (DW-MRI) Processing, Diffusion Tensor (DTI) Estimation, Diffusion Kurtosis (DKI) Estimation, Higher-order Diffusion Tensor Analysis, Tensor ODF estimation

Fast Eigenvalue Computation of Massive 3-by-3 Real Symmetric Matrices

For multiple 3x3 real symmetric matrices, vectorized matrix operations, support GPU computation

, stress/tensile strength computation on tensor fields, three dimensional diffusion processes, determining the rotation axes of a motion field, etc....Syntax: [eigenvalue1,eigenvalue2,eigenvalue3] =

DTI and Fiber Tracking

Diffusion MRI (DTI), calculates FA, ADC, Vector Field, and will track and visualize neural tracts.

Straightforward Diffusion MRI (DTI) and Fiber Tracking (FT) functions and examples.DTI.m, will calculate the Apparent Diffusion Coefficient(ADC), fractional anistropy (FA), and diffusion tensor field

smoothn

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values

multicomponent noisy array (e.g. time series, images, 3D data, 3D vector fields, tensors...). To smooth a vector field or multi-component data, Y must be a cell array. For example, if you need to smooth a 3-D

Two Body Orbit Propagation (non-spherical Earth)

Satellite Gravity Field Missions: Simulation Scenarios

velocities, accelerations, and for GOCE the tensor components for specified gravity fields and reference frame specifications. The simulation scenarios are simplified in so far as there is no noise on the data

B-spline Grid, Image and Point based Registration

B-spline registration of two 2D / 3D images or corrsp. points, affine and with smooth b-spline grid.

, Linux (and Mac OS?)Some Features:- 2-D / 3-D Eulerian strain tensor images can be made from the transformations fields. For example to describe cardiac motion in the images.- Landmarks can be used for

local depth map (disparity map) estimation from light fields

A function to explain a stereo-like taxonomy to be used in light field depth estimation

measurement;angular information;cost tensor;depth map estimation;lens;light fields;optimization algorithm;single camera;spatial information;stereo depth-map algorithms;stereo-like taxonomy;support weight

Nonlinear Coupled Diffusion

This package implements isotropic nonlinear scalar valued/ coupled vector/matrix valued diffusion.

The code supports homogeneous and linear and nonlinear (Total Variation and Edge Enhancing flow) isotropic diffusion of arbitrary dimensioned fields(scalar~grayscale image, vector ~ color image and

Joint Anisotropic Wiener filter for Diffusion Weighted MRI

Denoises Diffusion Weighted MRI volumes corrupted with stationary Rician noise

volumes either). Use this m-file to denoise your DW-MRI data BEFORE estimating your diffusion tensor volume or your field of ODFs.This software filters the image in the mean squared error sense using a

GMGS-3D

A Geometric Multigrid Solver for Large-scale Static Finite Element Simulation on 3D Cartesian Mesh

# TargetOut of academic use, "GMGS-3D" is designed to generate the high-resolution data sets of vector (displacement) or 2nd-order tensor (stress) field with the NORMAL PC within an AFFORDABLE time

Asteroid Shape Data Explorer

Explores published asteroid shape models and computes asteroid inertial moments and gravitational fields assuming constant density.

convexhull, boundary, and alphashape to find the surface area and volume, writes an stl file useful for 3d-printing, voxelizes the interior of an asteroid mesh, and computes the inertial tensor and

Structure Array Conversions

convert between the various ways arrays can be stored in structures (Structure array)

you can store n-dimensional arrays (aka tensors, multidimensional arrays, or nd-array) of cells or numerical types in structures (Structure array).- ***(A)*** structure with an nd-array in each field

Mann Turbulence Generator for MATLAB

Turbulence box generation using Mann model in Matlab (experimental product)

turbulence using a spectral tensor. The model is commonly used in wind-energy applications to generate spatially coherent turbulent wind fields.The generated velocity fluctuations are```mathu'(x,y,z), \quad

Optimally Oriented Flux (OOF) for 3D Curvilinear Structure

Optimally Oriented Flux curvilinear structure descriptor

computation of OOF. (N-D vector) opts: A matlab struct. It contains 4 fields to specify 4 optional settings of OOF. If opts or any of these fields of opts is missing, default values are used. (Optional, struct

MaxPol Smoothing and Differentiation Package

MaxPol is a numerical differentiation toolbox for signal and image processing

polynomial accuracy(5) 2D Derivative Kernels with Steering moments(6) Intuitive examples in Signal and Image processingWhich disciplinary fields can use this package? MaxPol package provides comprehensive

TPROD -- arbitary tensor products between n-d arrays

TPROD -- efficiently allows any type of tensor product between 2 multi-dimensional arrays

tprodMatlab library for simple tensor operations using Einstein summation convention semanticsThis function computes a generalized multi-dimensional matrix product based upon the einstein summation

n-Mode Tensor - Matrix Product

Calculates the n-mode product between a tensor and a matrix.

according to the definition of De Lathauwer and as referenced by many papers.B = A (x)_n U((x)_n: is the multiplication operator, see screenshot!)where: A: tensor of R^( I_1 × I_2 × .. I_n × ..

PPML_new

Periodically Patterned MultiLayer - Electromagnetic properties of patterned multilayers based on RCWA - FMM

- calculation of E and H fields inside the structureThe 2-d solver allows to work with arbitrarily shaped unit cells with arbitrary permittivity distribution (tensor with non-zero xx, xy, yx, and zz components

AI-mag

AI-mag: Inductor Modeling and Design with FEM and Artificial Neural Network

reproduce the figures of merit (MATLAB or Python Keras and TensorFlow)Using the ANNs, quickly generate accurate inductor designs (without solving any FEM model)Multi-objective data exploration with a GUIThe

deprecated -- Light Field Toolbox v0.2 -- v0.3 now available

A set of tools for working with light field (aka plenoptic) imagery in Matlab

This has been superseded by v0.3, http://www.mathworks.com/matlabcentral/fileexchange/48405-light-field-toolbox-v0-3This is a set of tools for working with light field (aka plenoptic) imagery in

Light Field Toolbox v0.4 -- deprecated, v0.5 available now

A set of tools for working with light field (aka plenoptic) imagery in Matlab

Get the new toolbox here: https://au.mathworks.com/matlabcentral/fileexchange/75250-light-field-toolboxThis is a set of tools for working with light field (aka plenoptic) imagery in Matlab. Features

Extended depth-of-field

Generate low-noise extended depth-of-field image from focus sequence

This function generates an extended depth-of-field image (also referred to as all-in-focus image) from a focus sequence using the noise-robust selective all-in-focus algorithm [1]. Input images may

3D iso-contour of swirling strength (vorticity) in channel

An example of visualising an instantaneous vorticity field in channel flow. The vorticity field is calculated using swirling strength.

: 'MAIN_swirling_strength.m', 'get_swirling_strength.m', 'get_velocity_tensor.m', 'get_km.m', 'get_3d.m' and 'cheb.m'. There is one dataset for the instantaneous velocity field: 'velocity_for_swirling_strength.mat'. To run the

Transform Tensor

Transformation of a 3D-tensor of any order to another coordinate system.

FUNCTION otr = transform(itr,tmx)PARAMETERSotr = output tensor, after transformation; has the same dimensions as the input tensoritr = input tensor, before transformation; should be a 3-element

Forward field-shift calculation for MRI

Superfast MRI field shift calculation based on a known susceptibility distribution.

resolution, without memory problems. Explanation and references:The presented algorithm is an efficient implementation of the Fourier-based procedure to calculate the susceptibility-induced field-shift if an

structure tensor - introduction and tutorial

Comprehensive intro to structure tensors both in 2D and 3D

Tutorial on structure tensors. Normally associated with image processing and structure inference, this code provides a completely encapsulated package to explain and demonstrate the use of structure

Speed - Field Control of DC Shunt Motor.

Speed variation is accomplished by means of a variable resistance inserted in series with the shunt field. An increase in con

Speed variation is accomplished by means of a variable resistance inserted in series with the shunt field. An increase in controlling resistances reduces the field current with a reduction in flux

Wind field simulation (text-based input)

Simulation of spatially correlated wind velocity time-histories

https://se.mathworks.com/matlabcentral/fileexchange/68632-wind-field-simulation-the-fast-version.SummaryA method to simulate spatially correlated turbulent wind histories is implemented following [1,2].Two possible vertical wind profiles and two possible wind spectra are implemented. The user is free to

Tensor Utilities

Tensor Utilites for Tensor Manipulations

Tensor utilities for tensor operations like contractions, sub-tensor extractions, outer-products, tensor permutations, and matrix unfoldings. Some of these are operations which have the Kronecker

Fast Antenna Array Diagnosis from a Small Number of Far-Field Measurements

This software package developed for antenna array diagnosis from far-field measurements.

linear relationship relating the difference of the far-field radiation patterns between the reference array and the antenna under test. Three sparse based recovery approaches namely the minimization of the

AACAM - Realistic Depth of Field Rendering in Matlab 3D Figures

Realistic rendering of depth of field in Matlab 3D plots using focal length and aperture size.

Say 'hello' to your brand new Matlab 3D camera. The matlab function aacam.m uses brute force simulation to enable realistic depth of field rendering in 3D plots. It allows you to specify focal length

Motor Efficiency Improvements With Tuned Control Parameters

Motor Efficiency Improvements With Optimized Control Parameters

Motor Efficiency Improvements With Optimized Control Parameters OverviewPMSM drive using imported FEM data and optimized Field-Oriented Control (FOC), with supporting design scripts that:Determine

fRMField

Remove a field from a struct efficiently - fast C-Mex

fRMField: Remove field(s) from a struct - fast C-MEXThis function is about 5 to 10 times faster than RMFIELD of Matlab 2009a.T = fRMField(S, Name)INPUT: S: Struct or struct array. Name: String

3D Magnetic Field Computation of a Straight Wire of Finite Length using Biot-Savart's Law

Here I compute magnetic field of a wire using finite element method

A finite wire is divided into many small segments and field from each segments is summed to get overall magnetic field of a wire in a 3D space. At the end, quiver plots are shown to visualize the

Wind field simulation (the fast version)

A three-variate spatially correlated turbulent wind field is simulated in three dimensions.

windSimFastA three-variate turbulent wind field (u,v and w components) is simulated in three-dimensions.SummaryA turbulent wind field (u,v,w, components) in 3-D (two dimensions for space and one for

MATLAB Support for MinGW-w64 C/C++/Fortran Compiler

Install the MinGW-w64 C/C++/Fortran compiler for Windows

Get structure field names in recursive manner

Returns the field names of a structure, include the field names of any "sub-structures".

NAMES = fieldnamesr(S) returns a cell array of strings containing the structure field names associated with s, the structure field names of any structures which are fields of s, any structures which

MTT

Matlab Tensor Tools

Matlab Tensor Tools is an easy-to-use library to work with tensors.

MFACE: An empirical model for auroral field-aligned currents

For detailed information, see - https://doi.org/10.1029/2012GL053168 - https://doi.org/10.1002/2014JA019776

DescriptionMFACE is a high-resolution model for auroral field-aligned currents (FACs), developed from ten years of CHAMP satellite data using an advanced technique based on Empirical Orthogonal

Simplified 2D mmWave Near-Field Imaging

A Simplified 2D Image Reconstruction Solution using TI IWR1443 mmWave sensors

In this repository, a two-dimensional (2-D) near-field imaging solution based on the combination of synthetic aperture radar (SAR) processing techniques and the low-cost system-on-chip

Cylindrical Near Field To Far Field Transform

Developing a GUI in MATLAB for cylindrical Near Field To Far Field Transform

Abstract—A method for computing the far field pattern of an antenna under test (AUT) using cylindrical near field data was presented in the previous paper. This paper shall go further ahead in the

Bias Field Corrected Fuzzy C-Means

Estimates the illumination artifact in 2D (color) and 3D CT and MRI and segments into classes.

This function segments (clusters) an image into object classes, and estimates and corrects for slow varying illumination artifacts. Estimates and corrects for bias field in 3D MRI, streak artifacts

NF2FF

Near-Field to Far-Field Transformation for Antenna Measurements

Near-Field to Far-Field Transformation for Antenna Measurements (NF2FF). Hologram analysis can also be used to study near field communication (NFC) antennas.J. Logan (jloganuri@gmail.com

Daline – Free, open-source tool for power flow linearization

Freely generate data, identify models, and visualize results using over 50 (physics-informed) data-driven approaches.

dmrimatlab

This is complete Matlab toolbox (including multi-threaded C/C++-mex code) for diffusion MRI processing.

: http://www.lpi.tel.uva.es/dmrilab). It works with both Matlab (multi-platform) and Octave (Linux, by now).It includes:- The classical Diffusion Tensor Imaging (DTI) formalism with linear and non-linear signal fitting.- High Angular

oseledets/TT-Toolbox

MATLAB Toolbox for working with high-dimensional tensors in the Tensor-Train (TT)-format

TT-Toolbox (TT=Tensor Train) Version 2.2TT(Tensor Train) format is an efficient way for low-parametricrepresentation of high-dimensional tensors. The TT-Toolboxis a MATLAB implementation of basic

DylanMuir/TIFFStack

Read a TIFF stack as a memory-mapped tensor. Handles a large range of internal TIFF formats.

TIFFStack object behaves like a read-only memory mapped TIF file. The entire image stack is treated as a matlab tensor. Each frame of the file must have the same dimensions. Reading the image data is

magnetic-field-over-satellite-orbit

The program calculates magnetic field over satellite orbit. It uses orbit parameters as input and gives out magnetic field components.

Tensor matrix multiply

Matrix multiplication over tensor arrays (i.e. arrays of matrices), with matrix transposition.