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updated 28 days ago

divkgradu_graph(A,qq) by Nick Alger

div k grad u operator for a graph with nodal k values (graph, laplacian, poisson)

divkgradu_graph(A,qq)

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updated 6 months ago

edge_detection_using_LoG.zip by Devinder

Edge Detection using Laplacian of Gaussian (edge detection, image processing, laplacian)

find_edges(img,step_size,sigma)

run_edge_det()

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updated 10 months ago

Poisson Image Editing by Y Simson

Straightforward implementation of Perez's paper on Poisson image editing (laplacian, gradient image editin...)

PoissonColorImEditor(TargImPaste, MaskTarg)

PoissonGrayImEditor(Targ, MaskTarg, AdjacencyMat, TargBou...

calcAdjancency( Mask )

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updated almost 2 years ago

Laplacian Filter by Muhammad Bilal

This code find the edges in image. (edges, laplacian filter, laplacian)

temp.m

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updated 2 years ago

Fast Noise Estimation in Images by Tolga Birdal

Estimate the standard deviation of the noise in a gray-scale image. (image processing, statistics, computer vision)

estimate_noise.m

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updated 3 years ago

Laplacian in 1D, 2D, or 3D by Andrew Knyazev

Sparse (1-3)D Laplacian on a rectangular grid with exact eigenpairs. (matrix, mathematics, laplacian)

laplacian(varargin)

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updated 4 years ago

laplace.m by Peter Cotton

Smooth compact 1,2 or 3 dimensional atomic probability distribution (del2, delsq, laplacian)

laplace(xs,A,b,AEq,bEq,varargin)

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updated almost 5 years ago

Smooth Triangulated Mesh by Dirk-Jan Kroon

Accurate smoothing of triangulated patch / mesh (curvature, curvature flow, smoothing)

FV2=smoothpatch(FV,mode,itt,lambda,sigma)

Ne=vertex_neighbours(FV)

Ne=vertex_neighbours_double(Fa,Fb,Fc,Vx,Vy,Vz)

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updated 5 years ago

Toolbox Graph by Gabriel Peyre

A toolbox to perform computations on graph. (graph theory, laplacian, combinatorial)

Toolbox graph - A toolbox to process graph and triangulat...

Isomap(D,ndims,options);

adjacency2incidence(A)

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updated almost 10 years ago

Conformally Mapped Laplacian by Greg von Winckel

Compute eigenfunctions of the laplacian on a conformally mapped square. (differential equation..., laplacian, eigenfunctions)

sqdirichlet(N,f);

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updated almost 12 years ago

Mesh Laplacian by Darren Weber

Calculate Laplacian for triangulated mesh. (differential equation..., laplacian, triangulated mesh)

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updated almost 12 years ago

Mesh Laplacian Interpolation Operator by Darren Weber

Computes the zero Laplacian interpolation matrix (approximation, interpolation, laplacian)

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