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updated 1 month ago

LRSLibrary by Andrews Sobral

Low-Rank and Sparse Tools for Background Modeling and Subtraction in Videos (computer vision, tensor, matrix)

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updated 3 months ago

MTT by Andrews Sobral

Matlab Tensor Tools (tensor, matrix, decomposition)

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updated 3 months ago

IMTSL by Andrews Sobral

Incremental and Multi-feature Tensor Subspace Learning (tensor, tensor learning, incremental learning)

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updated 5 months ago

mat2piv.m by dan

Flatten an N-dimensional tensor into an Excel pivottable ready form (pivot, tensor, pivottable)

mat2piv(M, varargin)

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updated 1 year ago

Uncorrelated Multilinear Discriminant Analysis (UMLDA) by Haiping Lu

The codes implement the Uncorrelated Multilinear Discriminant Analysis (UMLDA) algorithm. (dimensionality reduct..., face recognition, feature extraction)

CombR1s=calcR1(allnewfeas,gnd,trainIdx,testIdx)

MaxSWLmds=estMaxSWEV(TX,gndTX)

RUMLDA(TX,gndTX,numP,gamma,MaxSWLmds,iInit)

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updated 1 year ago

Optimally Oriented Flux (OOF) for 3D Curvilinear Structure Detection by Max W.K. Law

Optimally Oriented Flux curvilinear structure descriptor (image processing, signal processing, curvilinear)

eigenvaluefield33( a11, a12, a13, a22, a23, a33)

oof3response(image, radii, options)

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updated 1 year ago

binaryTensorVoxel by Paul Kassebaum

Draw a 3D voxel representation of a binary tensor or 3D matrix. (visualization, 3d matrix, tensor)

binaryTensorVoxel(t,varargin)

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updated 1 year ago

Fast Eigenvalue Computation of Massive 3-by-3 Real Symmetric Matrices by Max W.K. Law

For multiple 3x3 real symmetric matrices, vectorized matrix operations, support GPU computation (3x3 matrix, eigen, eigendecomposition)

eigenvaluefield33( a11, a12, a13, a22, a23, a33)

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updated 2 years ago

Nonnegative Matrix and Tensor Factorization (NMF, NTF) with any beta-divergence by Antoine Liutkus

very simple to use implementation of the NMF/NTF model (nmf, ntf, nonnegative)

betaNTF(V,K,varargin)

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updated 2 years ago

vectorindex by Chad Lieberman

Evaluate n-dimensional arrays at vectors of indices. (tensor, indexing, sub2ind)

vectorindex(A,X)

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updated 2 years ago

Multilinear Principal Component Analysis (MPCA) by Haiping Lu

The codes implement two algorithms: Multilinear Principal Component Analysis (MPCA) and MPCA+LDA. (image processing, video processing, dimensionality reduct...)

MPCA(TX,gndTX,testQ,maxK)

MPCALDA(TX,gndTX,MPCADADim,testQ,maxK)

[GaitDBDir,probes,numprobe]=testData

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updated 2 years ago

N-dimensional Sparse Matrices by Jonathan Karr

N-dimensional sparse matrix and circular sparse matrix classes for arbitrary N. (sparse, circular, matrix)

edu.stanford.covert.util.CircularSparseMat

edu.stanford.covert.util.CircularSparseMat_Test

edu.stanford.covert.util.SparseMat

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updated almost 3 years ago

slices by Jeremy Manning

Slice a tensor (n-d matrix) along the d^th dimension. (repmat, cellfun, arrayfun)

slices(m,d)

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updated almost 3 years ago

Uncorrelated Multilinear Principal Component Analysis (UMPCA) by Haiping Lu

The codes implement the Uncorrelated Multilinear Principal Component Analysis (UMPCA) algorithm. (dimensionality reduct..., feature extraction, image processing)

UMPCA(TX,numP)

maxeig(A)

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updated almost 3 years ago

Gravitational comparison between a point mass and prism mass model by Martin Fuchs

Gravitational quantities of a prism and a point mass are being derived for specified heights. (gravity, prism, point)

mPrismCart(x,y,z,mass,xi,yi,zi)

mpointCart.m

TestPrismMassModel.m

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updated 3 years ago

Cummulative (dim 2) products across all permutations of distinct column-indices by Hin Kwan Wong

Sum column element products for all permutations of distinct column indices + user restrictions (multinomial, polynomial, expansion)

cumprodapdci(dataArray,varargin)

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updated 3 years ago

MMTensor 1.0 by Maarten Moesen

A tutorial for micromechanical computations with elasticity, fabric and Eshelby tensors. (tensor, mechanics, anisotropy)

cell_functional(cell_array, pos, fill_value)

computeEngineeringConstantsSqrt2(C)

computeEshelbyIntegrals(a)

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updated 3 years ago

frontal by Felipe G. Nievinski

Do: C = frontal_mtimes(A, b); not: for k=1:size(A,3), C(:,:,k) = A(:,:,k) * b(:,:,k); end (tensor)

cputime_res

cputime_tol

defrontal (in)

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updated 4 years ago

Back projections and tensor transform by Michael Chan

Illustrates back projections and Professor Grigoryan's tensor transform. (tensor, backprojections, splitting signals)

A=correct_image(A)

B=f_pst(A,p,s);

Err=msr_error(o,out,N1,N2)

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updated 4 years ago

Splitting Signals by Michael Chan

Illustrates Professor Grigoryan's split signals (2D image) and tensor representations. (image processing, fast, transform)

A=correct_image(A);

B=ft_pst(A,p,s)

PSNR(A,B)

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updated 4 years ago

Efficient Object-Oriented Kronecker Product Manipulation by Matt J

A class for efficient manipulation of N-fold Kronecker products in terms of their operands only. (kronecker, oop, tensor)

krontest(TOL)

krontest(TOL)

KronProd

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updated almost 5 years ago

Vectorized Transpose Matrix by Zachary Danziger

Creates an orthogonal permutation matrix for tensor and linear algebra manipulations. (linear algebra, tensor, mathematics)

TvecMat(m,n)

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updated 5 years ago

n-Mode Tensor - Matrix Product by Fabian Schneiter

Calculates the n-mode product between a tensor and a matrix. (nmode, matrix, tensor)

nmodeproduct(A,M,n)

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updated 5 years ago

WriteToVTK by Tim

Write 3D matrices to VTK files viewable with Paraview. (vtk, paraview, visualisation)

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updated 8 years ago

dots by Philippe Maincon

Multiple matrix-matrix products, or general operations on cartesian tensors (linear algebra, multiprod, multiple)

TryDots.m

dots.m

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updated 9 years ago

Transform Tensor by Peter Graat

Transformation of a 3D-tensor of any order to another coordinate system. (chemistry, physics, tensor)

transform(itr,tmx)

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