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Diffusion Tensor Field (DTI) Visualization

Version 1.1.0.0 by Angelos Barmpoutis

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.

  • 2.8K (All time)
  • 1 (Last 30 days)
  • 5.0 / 5
  • Community
  • 17 Jun 2011

Tensor Voting Framework

Version 1.0.0.0 by Trevor Linton

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

- CREATE_STICK_TENSORFIELD Creates a second order tensor
- CONVERT_TENSOR_EV converts the tensor field to eigenvectors and
- FIND_FEATURES returns the tensorfield after voting on the binary image im
- CREATE_BALL_TENSORFIELD creates a ball tensor field, sigma
- SHOW_TENSORFIELD displays in a new figure the tensor field
- READ_DOT_EDGE_FILE reads in the file and outputs a tensor
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  • 4.9 / 5
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  • 13 Aug 2008

uFVM

Version 1.55 by Mhamad Mahdi Alloush

Learning the Finite Volume Method in CFD with MATLAB Programming

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  • 4.9 / 5
  • Community
  • 14 Mar 2023

Toolbox image

Version 1.2.0.0 by Gabriel Peyre

A toolbox that contains image processing functions

- test for TV-L2 (Osher-Rudin-Fatemi) decomposition
- perform_local_dct_transform - perform a JPEG-like transfrom
- callback_atrou - MCA callback for redundant wavelets.
- change_color_mode - change of color representation
- compute_periodic_poisson - solve poisson equation
- grab_inpainting_mask - create a mask from user input
- Aujol & Chambolle projection for solving TV-K regularization
- perform_image_resize - resize an image using bicubic interpolation
- compute_movie_file - create an avi or gif file
- perform_quincunx_interpolation - interpolate data on a quincunx grid
- perform_windowed_dct_transform - compute a local DCT transform
- perform_histogram_equalization - perform histogram equalization
- div - divergence (backward difference)
- save_image - save an image or a set of images
- perform_dct_transform - discrete cosine transform
- compute_texture_patchwork - mix several textures
- getoptions - retrieve options parameter
- perform_lic - perform line integral convolution
- test for the resolution of anlysis-based regularization using Chambolle
- perform_windowed_fourier_transform - compute a local Fourier transform
- perform_blurring - gaussian blurs an image
- perform_varying_blurring - perform a spacially varying gaussian blurring
- perform_windowed_dct4_transform - orthogonal local DCT
- perform_median_filtering - perform moving average median
- perform_image_extension - extend the size by symetry
- perform_convolution - compute convolution with centered filter.
- perform_image_rotation - rotate the image
- display_image_layout - display a set of images together
- compute_gabor_filter - builds a 2D gabor filter.
- perform_vf_integration - perform a time integration of the vf
- load_hdr - loading a radiance RBGE file.
- perform_tv_correction - perform correction of the image to that it minimizes the TV norm.
- crop - crop an image to reduce its size
- callback_atrou - callback for redundant wavelets.
- compute_total_variation - compute the total variation of an image
- load_image - load benchmark images.
- publish_html - publish a file to HTML format
- grad - gradient, forward differences
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  • 27 Jun 2009

Toolbox signal

Version 1.2.0.0 by Gabriel Peyre

Signal processing related functions.

- perform_kmeans - perform the k-means clustering algorithm.
- crop - crop an image to reduce its size
- compute_hufftree - build a huffman tree
- peform_wiener_filtering - perform Wiener filtering
- perform_kurtosis_equalization - equalize moments of order 1,2,3,4.
- perform_histogram_equalization - perform histogram equalization
- perform_huffcoding - perform huffman coding
- compute_histogram_rbf - parzen windows density estimation
- perform_noise_estimation - estimate additive noise level
- compute_impulse_noise - add impulse noise to an image
- snr - signal to noise ratio
- compute_kurtosis - compute the Kurtosis.
- compute_histogram_distance - compute distance between histograms
- compute_distance_matrix - compute pairwise distance matrix.
- perform_dct2_transform - perform the DCT2 transform
- perform_histogram_matching - match the histogram of two image.
- load_signal - load a 1D signal
- plot_hufftree - plot a huffman tree
- psnr - compute the Peack Signal to Noise Ratio
- compute_mutual_information - compute mutual information of two random variables
- perform_convolution - compute convolution with centered filter.
- publish_html - publish a file to HTML format
- compute_conditional_histogram - compute conditional histograms
- load_image - load benchmark images.
- imageplot - diplay an image and a title
- adjust_psnr - adjust noise level to fit psnr
- perform_dct_transform - discrete cosine transform
- perform_spectral_orthogonalization - orthogonalize a square matrix
- getoptions - retrieve options parameter
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  • 4.3 / 5
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  • 27 Jun 2009

Toolbox diffc

Version 1.2.0.0 by Gabriel Peyre

A toolbox to perform differential calculus on a matrix.

- plot_tensor_field - display a tensor field
- compute_tensor_field - compute a parametric 2D tensor field
- compute_tensor_field_random - create 2D TF
- perform_tensor_eigendecomposition - decompose a tensor field
- compute_rigidity_tensor - compute the rigidity tensor field
- compute_hessian - compute the hessian tensor field.
- perform_tensor_decomp_3d - decompose a 3D tensor field
- prod_tf_tf - compute the product of 2 tensor fields
- perform_tensor_mapping - go back and forth from tensor to non-linear domain
- compute_deviator_tensor - compute trace free tensor
- compute_structure_tensor - compute the structure tensor
- compute_gradient_tensor - compute the structure tensor
- test for 3D tensor diagonalization
- perform_v_normalization - renormalize a vector field.
- plot_tf - plot a tensorial field.
- plot_vf - plot a vector field with
- compute_hodge_decompositon - perform Hodge decomposition of a vector field.
- perform_angle_doubling - double the angle of a vector field
- compute_vf_trajectory - compute the trajectories of a vector field
- test for hessian tensor
- test for the tensor structure
- test for vector field reorientation
- perform_conjugate_gradient - perform (bi)-conjugate gradient
- perform_fluid_dynamics - simulate a viscous fluid
- div - divergence operator
- publish_html - publish a file to HTML format
- perform_image_advection - perform image advection along a flow
- perform_convolution - compute convolution with centered filter.
- imageplot - diplay an image and a title
- progressbar - display a progress bar
- grad - gradient, forward differences
- crop - crop an image to reduce its size
- perform_vf_reorientation - try to reorient the vf.
- compute_movie_file - create an avi or gif file
- perform_histogram_equalization - perform histogram equalization
- load_image - load benchmark images.
- compute_crossp_vf_vf - compute the crossproduct of 2 3D vector fields.
- compute_periodic_poisson - solve poisson equation
- getoptions - retrieve options parameter
- perform_vf_integration - perform a time integration of the vf
- perform_blurring - gaussian blurs an image
  • 6.8K (All time)
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  • 3.7 / 5
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  • 27 Jun 2009

COSMOSS

Version 2.3.5.1 by Jia-Jung

COSMOSS is a Coupled OScillator MOdel Spectrum Simulator

- Geenration of E field polarization tensor
- Generation of non-averaged R1 to R5
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  • 20 Jun 2021

Diffusion Tensor Field (DTI and Higher-Order) Visualization

Version 1.4.0.0 by Angelos Barmpoutis

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

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  • 17 Jun 2011

FiberQ

Version 1.0.0 by pierre ghesquiere

Automatic quantification of dna fibers from fluorescent images

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  • 20 Dec 2018

StressField2D-Investigator

Version 1.0.0 by junpeng wang

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

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  • 9 Jun 2020

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

Version 1.0.0.0 by Ti Xu

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

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  • 26 Apr 2016

smoothn

Version 2.3 by Damien Garcia

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

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  • 4.9 / 5
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  • 20 Jun 2020

fanDTasia ToolBox

Version 1.4.1.0 by Angelos Barmpoutis

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

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  • 6 (Last 30 days)
  • 4.9 / 5
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  • 5 Dec 2018

DTI and Fiber Tracking

Version 1.0.0.0 by Dirk-Jan Kroon

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

- SHOWCS3 M-file for showcs3.fig
- FSPECIAL3 Create predefined 3-D filters.
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  • 20 Aug 2008

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

Version 1.13.0.0 by Max W.K. Law

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] =

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  • 10 May 2013

Two Body Orbit Propagation (non-spherical Earth)

Version 1.1.1.0 by Meysam Mahooti

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

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  • 10 Feb 2022

B-spline Grid, Image and Point based Registration

Version 1.33.0.0 by Dirk-Jan Kroon

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

- This function will turn a backwards transformation field into
- This function will turn a backward transformation field in to a
- This function MakeDiffeomorphic will make the b-spline grid diffeomorphic
- Calculates the (numeric) inverse of the current b-spline grid
- This function creates a uniform 2d or 3D b-spline control grid
- calculate which is the closest point on the lattic to the top-left
- Calculate influences of all neighborh b-spline knots
- Refine image transformation grid of 1D b-splines with use of spliting matrix
- This function creates a 2D or 3D b-spline grid, which transform space to
- Example of 3D non-rigid registration
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  • 16 Mar 2011

local depth map (disparity map) estimation from light fields

Version 2.0.0.0 by Francisco Calderon

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

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  • 17 Sep 2015

Nonlinear Coupled Diffusion

Version 1.2.0.0 by Omid Aghazadeh

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

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  • 18 May 2010

Joint Anisotropic Wiener filter for Diffusion Weighted MRI

Version 1.1.0.1 by Antonio Tristán Vega

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

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  • 22 May 2024

GMGS-3D

Version 1.0 by junpeng wang

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

- ----GMGS-3D----DEMO----
- ----GMGS-3D----
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  • 9 Apr 2021

Asteroid Shape Data Explorer

Version 1.01 by Duncan Carlsmith

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

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  • 9 Feb 2026

Structure Array Conversions

Version 1.0 by Bryce Henson

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

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  • 28 Jun 2020

dmrimatlab

Version 1.0.8 by Antonio Tristán Vega

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

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  • 14 May 2026

TPROD -- arbitary tensor products between n-d arrays

Version 1.4.1.0 by Jason Farquhar

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

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  • 17 Nov 2021

Phase Plane and Slope Field apps

You can use the Phase Plane and Slope Field apps to qualitatively analyze ordinary differential equations (ODEs).

Slope Field and Phase Plane apps have been written entirely from scratch in MATLAB App Designer using modern MATLAB coding practices. This makes the new apps easier to maintain, edit, and use.Getting

- Visualize slope fields and plot solutions
- Analyze two-dimensional autonomous ODE systems.
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  • 4.8 / 5
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  • 18 Nov 2023

Optimally Oriented Flux (OOF) for 3D Curvilinear Structure

Version 1.4.1.0 by Max W.K. Law

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

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  • 30 Jan 2024

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

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

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  • MathWorks
  • 26 Jan 2026

MaxPol Smoothing and Differentiation Package

Version 1.0 by Mahdi S. Hosseini

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

- SYMLOG bi-symmetric logarithmic axes scaling
- Lyapanov-Equation Solver (Buld-in MATLAB function)
- DERIVMTX_SAVITZKYGOLAY Savitzky-Golay Derivative square matrix
- TENSORDEC Tensor decomposition
- DERIVDIREC_SAVITZKYGOLAY Savtizky-Golay 2D direction (steerable) derivative kernel
  • 1.4K (All time)
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  • 26 Nov 2017

Natural-Order Filename Sort

Version 3.4.11 by Stephen23

Alphanumeric sort of filenames or filepaths, with customizable number format.

  • 36.8K (All time)
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  • 10 Apr 2026

N-dimensional sparse arrays

Version 1.20.1 by Matt J

Creates an N-dimensional sparse array object, for arbitrary N.

- - A class of N-dimensional sparse arrays.
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  • 19 Jan 2025

Natural-Order Row Sort

Version 3.4.11 by Stephen23

Alphanumeric row sort of a cell/string/categorical/table array, with customizable number format.

  • 2.3K (All time)
  • 10 (Last 30 days)
  • 5.0 / 5
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  • 10 Apr 2026

Customizable Natural-Order Sort

Version 3.4.11 by Stephen23

Alphanumeric sort of a cell/string/categorical array, with customizable number format.

  • 5.8K (All time)
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  • 10 Apr 2026

fRMField

Version 1.0.0.0 by Jan

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

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  • 20 Aug 2010

LOADFIXNAMES loads a mat file, fixing invalid names

Version 1.3.0.0 by James Tursa

Loads a mat file into the caller's workspace, fixing invalid variable and field names.

not a letter, an 'A' is added to the front. If the variable is a structure, fixes the field names also. In the case of field names, the name length is kept constant. So if a field name begins with a

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  • 1 Aug 2017

n-Mode Tensor - Matrix Product

Version 1.0.0.0 by Fabian Schneiter

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 × ..

- Calculates the n-Mode Product of a Tensor A and a Matrix M
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  • 26 May 2009

deprecated -- Light Field Toolbox v0.3 -- v0.4 now available

Version 1.2.0.0 by Donald Dansereau

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

This is a set of tools for working with light field (aka plenoptic) imagery in Matlab. Features include decoding, camera calibration, rectification, colour correction and visualization of light

- LFUtilCalLensletCam - calibrate a lenslet-based light field camera
- LFReadGantryArray - load gantry-style light field, e.g. the Stanford light fields at lightfield.stanford.edu
- LFRecenterIntrinsics - Recenter a light field intrinsic matrix
- LFDispSetup - helper function used to set up a light field display
- LFDefaultField - Convenience function to set up structs with default field values
- LFMatlabPathSetup - convenience function to add the light field toolbox to matlab's path
- LFDispVidCirc - visualize a 4D light field animating a circular path through two dimensions
- LFLytroDecodeImage - decode a Lytro light field from a raw lenslet image, called by LFUtilDecodeLytroFolder
- LFDecodeLensletImageSimple - decodes a 2D lenslet image into a 4D light field, called by LFUtilDecodeLytroFolder
- LFDispMousePan - visualize a 4D light field using the mouse to pan through two dimensions
- LFCalRectifyLF - rectify a light field using a calibrated camera model, called as part of LFUtilDecodeLytroFolder
- LFUtilUnpackLytroArchive - extract white images and other files from a multi-volume Lytro archive
- LFHistEqualize - histogram-based contrast adjustment
- LFWriteMetadata - saves variables to a file in JSON format
- LFFindCalInfo - Find and load the calibration info file appropriate for a specific camera, zoom and focus
- LFCalInit - initialize calibration estimate, called by LFUtilCalLensletCam
- LFMapRectifiedToMeasured - Applies a calibrated camera model to map desired samples to measured samples
- LFGatherCamInfo - collect metadata from a folder of processed white images or calibrations
- LFColourCorrect - applies a colour correction matrix, balance vector, and gamma, called by LFUtilDecodeLytroFolder
- LFSelectFromDatabase - support function for selecting white image/calibration by matching serial/zoom/focus
- LFFindFilesRecursive - Recursively searches a folder for files matching one or more patterns
- LFReadMetadata - reads the metadata files in the JSON file format, from a file or a char buffer
- LFFIGURE (originally sfigure) Create figure window (minus annoying focus-theft).
- LFStruct2Var - Convenience function to break a subset of variables out of a struct
- LFUnpackRawBuffer - Unpack a buffer of packed raw binary data into an image
- LFUtilProcessWhiteImages - process a folder/tree of white images by fitting a grid model to each
- LFRotz - simple 3D rotation matrix, rotation about z
- LFVar2Struct - Convenience function to build a struct from a set of variables
- LFUtilDecodeLytroFolder - decode and optionally colour correct and rectify Lytro light fields
- LFCalDispEstPoses - Visualize pose estimates associated with a calibration info file
- LFFindLytroPartnerFile - Finds metadata / raw data file partner for Lytro white images
- LFCalRefine - refine calibration by minimizing point/ray reprojection error, called by LFUtilCalLensletCam
- LFBuildLensletGridModel - builds a lenslet grid model from a white image, called by LFUtilProcessWhiteImages
- LFCalDispRectIntrinsics - Visualize sampling pattern resulting from a prescribed intrinsic matrix
- LFDefaultVal - Convenience function to set up default parameter values
- LFCalFindCheckerCorners - locates corners in checkerboard images, called by LFUtilCalLensletCam
- LFUtilProcessCalibrations - process a folder/tree of camera calibrations
- LFDefaultIntrinsics - Initializes a set of intrinsics for use in rectifying light fields
- LFUtilExtractLFPThumbs - extract thumbnails from LFP files and write to disk
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  • 12 Feb 2015

Tensor-Based Channel Estimation for Dual-Polarized MIMO

Version 1.0.0 by cheng qian

Tensor-Based Channel Estimation for Dual-Polarized Massive MIMO Systems

This is a demo for our paper:C. Qian, X. Fu, N. D. Sidiropoulos and Y. Yang, "Tensor-Based Channel Estimation for Dual-Polarized Massive MIMO Systems," in IEEE Transactions on Signal Processing.doi

  • 282 (All time)
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  • 22 Oct 2018

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

Version 1.2 by Donald Dansereau

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

- (originally sfigure) Create figure window (minus annoying focus-theft).
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  • 28 Apr 2020

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

Version 1.5.0.0 by Donald Dansereau

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

- LFCalRectifyLF - rectify a light field using a calibrated camera model
- LFMatlabPathSetup - convenience function to add the light field toolbox to matlab's path
- LFUtilCalLenseletCam - script demonstrating calibration of a lenselet-based light field camera
- LFRecenterIntrinsics - Recenter a light field intrinsic matrix
- LFDispSetup - utility function used to set up a light field display
- LFDecodeLenseletImageSimple - decodes a 2D lenselet image into a 4D light field
- LFDefaultField - Convenience function to set up structs with default field values
- LFDispVidCirc - visualize a 4D light field animating a circular path through two dimensions
- LFDecodeLytroImage - decode a Lytro light field from a raw lenselet image on disk
- LFDispMousePan - visualize a 4D light field using the mouse to pan through two dimensions
- LFFindLytroPartnerFile - Finds metadata / raw data file partner for Lytro white images
- LFUtilProcessWhiteImages - process a folder/tree of white images by fitting a grid model to each
- LFCalDispEstPoses - Visualize pose estimates associated with a calibration info file
- LFRotz - simple 3D rotation matrix, rotation about z
- LFBuildLenseletGridModel - builds a lenselet grid model from a white image
- LFReadRaw - reads the Lytro `RAW' file format, as output by the `LFP Reader' tool
- LFVar2Struct - Convenience function to build a struct from a set of variables
- LFUtilProcessCalibrations - process a folder/tree of camera calibrations
- LFFindFilesRecursive - Recursively searches a folder for files matching a pattern
- LFHistEqualize - histogram-based contrast adjustment
- LFGatherCamInfo - collect metadata from a folder of processed white images or calibrations
- LFStruct2Var - Convenience function to break a subset of variables out of a struct
- LFWriteMetadata - saves variables to a file in JSON format
- LFUtilDecodeLytroFolder - decode and optionally colour correct and rectify Lytro light fields
- LFSelectFromDatabase - selects a white image / calibration by matching serial, zoom and focus
- LFReadMetadata - reads the metadata files in the JSON file format
- LFCalFindCheckerCorners - locates corners in checkerboard images
- LFCalRefine - refine calibration by minimizing point/ray reprojection error
- LFDefaultVal - Convenience function to set up default parameter values
- LFCalInit - initialize calibration estimate
- LFColourCorrect - applies a colour correction matrix, colour balance vector, and gamma correction
  • 4.5K (All time)
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  • Community
  • 27 Nov 2014

Transform Tensor

Version 1.0.0.0 by Peter Graat

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

  • 4.1K (All time)
  • 2 (Last 30 days)
  • 4.7 / 5
  • Community
  • 23 Aug 2005

AI-mag

Version 4.0 by Thomas Guillod

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

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  • Community
  • 14 Aug 2023

Wind field simulation (the fast version)

Version 1.8.1 by E. Cheynet

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

  • 1.6K (All time)
  • 7 (Last 30 days)
  • 5.0 / 5
  • Community
  • 29 Jan 2023

MAT2TILES: divide array into equal-sized sub-arrays

Version 1.0.0.0 by Matt J

Splits an array of any dimension into cell array of equal sized chunks.

- MAT2TILES - breaks up an array into a cell array of adjacent sub-arrays of
  • 3.5K (All time)
  • 5 (Last 30 days)
  • 4.6 / 5
  • Community
  • 24 Sep 2017

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

Version 1.0.1 by Jitong Ding

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

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  • Community
  • 24 Aug 2024

Wind field simulation (text-based input)

Version 7.5.3 by E. Cheynet

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

  • 3.7K (All time)
  • 3 (Last 30 days)
  • 5.0 / 5
  • Community
  • 27 Mar 2022

Motor Efficiency Improvements With Tuned Control Parameters

Version 21.2.1.2 by Angel Gonzalez Llacer

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

- : 1. A detailed nonlinear motor model in the form of tabulated flux linkages and Steinmetz coefficients. 2. A Field-Oriented Controller (FOC) that has been optimized to minimize motor losses.
- get parameters for a FEM-Parameterized PMSM.
  • 1.2K (All time)
  • 10 (Last 30 days)
  • 5.0 / 5
  • Community
  • 29 Sep 2023

Shapiro-Wilk and Shapiro-Francia normality tests.

Version 1.1.0.0 by Ahmed BenSaïda

Shapiro-Wilk & Shapiro-Francia parametric hypothesis test of composite normality.

  • 33.4K (All time)
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  • 4.9 / 5
  • Community
  • 18 Jun 2014

PV system with various MPPT (P&O-INC-ANN-FLC-PSO)

Version 1.1.0 by Ahmed BOUHOUTA

Maximum power point tracking (MPPT) using different algorithms

  • 10.6K (All time)
  • 371 (Last 30 days)
  • 4.6 / 5
  • Community
  • 30 Mar 2024

Motor Control with TI LaunchPad

Version 1.5.0.0 by Antonin

Permanent Magnet Synchronous Motor Field-Oriented Control with TI LaunchPad and BOOSTXL-DRV8301

This example shows how to use a closed-loop Field-Oriented Control (FOC) algorithm to regulate the speed and torque of a three-phase Permanent Magnet Synchronous Motor (PMSM). This example uses C28x

  • 10.9K (All time)
  • 16 (Last 30 days)
  • 4.7 / 5
  • Community
  • 13 Sep 2023

Mathematica Symbolic Toolbox for MATLAB--Version 2.0

Version 1.2.0.0 by Ben Barrowes

A symbolic toolbox for MATLAB based on Mathematica.

  • 30.6K (All time)
  • 109 (Last 30 days)
  • 5.0 / 5
  • Community
  • 10 Jun 2010

structure tensor - introduction and tutorial

Version 1.0.0.0 by Shawn Arseneau

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

- structure_tensor_plot - given a structure tensor, visualize as an ellipse %%%%
- partial_derivative_to_structure_tensor_form - sets up structure tensor form from Ix, Iy, ...%%%%
- visualize_3D_data - given an NxMxP data set, output as a collection of voxels
- partial_derivative_3D - average of absolute, successive difference along axes %%%
  • 9.2K (All time)
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  • Community
  • 1 Nov 2006

Get structure field names in recursive manner

Version 1.0.0.0 by Adam

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

- FIELDNAMESR Get structure field names in recursive manner.
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  • 4.8 / 5
  • Community
  • 13 Oct 2011

Forward field-shift calculation for MRI

Version 1.14.0.0 by Job

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

- Fourier Based Field-shift Calculation for MRI
  • 807 (All time)
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  • Community
  • 20 Oct 2014

SLM - Shape Language Modeling

Version 1.14 by John D'Errico

Least squares spline modeling using shape primitives

  • 28.7K (All time)
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  • Community
  • 16 Apr 2017

MTIMESX - Fast Matrix Multiply with Multi-Dimensional Support

Version 1.10.0.0 by James Tursa

Beats MATLAB 300% - 400% in some cases ... really!

- Test routine for mtimesx, multi-dimensional speed and equality to MATLAB
  • 19.4K (All time)
  • 9 (Last 30 days)
  • 4.6 / 5
  • Community
  • 23 Feb 2011

Matched-field processing method for leak detection in a pipe

Version 1.0.0 by xun wang

Matlab code for the matched-field processing (MFP) method for leak detection in a pipe

This is the Matlab code for the matched-field processing (MFP) method for leak detection in a pipe.This code was used to obtain the results inX. Wang and M. S. Ghidaoui, Pipeline leakage detection

  • 383 (All time)
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  • 5.0 / 5
  • Community
  • 13 Jan 2019

cprintf - display formatted colored text in Command Window

Version 1.21 by Yair Altman

Displays sprintf-formatted strings in the Command Window using the specified color/underline/bold style

  • 29.7K (All time)
  • 131 (Last 30 days)
  • 4.9 / 5
  • Community
  • 22 Apr 2026

Tensor Utilities

Version 2.41.0.0 by André Flakke

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

- (I,N): Returns the linear column index of a tensor (i.e it returns
  • 482 (All time)
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  • Community
  • 14 Sep 2018

MTT

Version 1.0.0.0 by Andrews Cordolino Sobral

Matlab Tensor Tools

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

- Create tensor.
- TENSOR - SUBTENSOR - NTF-hals
- TENSOR t-SVD and inverse_t-svd
- TENSOR OPERATIONS
- Mode-n tensor-matrix product.
- Tensor mulitplication (tensor times tensor).
- INCREMENTAL TENSOR LEARNING
- TENSOR HOSVD and iHOSVD
- TENSOR Tucker (ALS solver)
- TENSOR PARAFAC (ALS solver)
- TENSOR HOSVD and iHOSVD
- All-at-once optimization for CP tensor decomposition
- Fourth-order cumulant tensor.
- Uniformly distributed pseudo-random tensor.
- Compute a matricized tensor Khatri-Rao product.
- Visualize a third-order tensor with surfaces.
- Visualize a third-order tensor with voxels.
- Visualize a third-order tensor with slices.
- Import tensor-related data to a file.
- Export tensor-related data to a file.
- Matricized tensor times Khatri-Rao product for ktensor.
- Converts a two-way sparse tensor to sparse matrix.
- Compute the leading mode-n vectors for a sparse tensor.
- Convert a sparse tensor to a (dense) tensor.
- Generate full tensor given a core tensor and factor matrices.
- Ones tensor.
- Kronecker tensor product.
- Change tensor size.
- Vectorize a tensor.
- Create zeros tensor.
- Matricize a tensor.
- Tensor times matrix.
- Permute tensor dimensions.
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  • 12 Mar 2021

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