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updated 17 days ago

Find 3D Normals and Curvature by Zachary

Fast normal and curvature estimation for sparse point clouds (normals, point cloud, 3d)

findPointNormals(points, numNeighbours, viewPoint, dirLar...

Demo.m

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updated 2 months ago

frenet_robust.zip by Benjamin Friedrich

Compute curvature, torsion and Frenet frame of space curves robustly (curve, curvature, torsion)

CircleFitByTaubin(XY)

[kappalist,taulist,ttlist,nnlist,bblist,scorelist]=frenet...

demo_frenet_robust.m

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updated 5 months ago

Curvature Estimationl On triangle mesh by Itzik Ben Shabat

Computes curvature and curvature derivative tensors in each vertex of a triangle meshes (curvature, mesh, computational geometr...)

GetCurvaturesAndDerivatives( FV,toggleDerivatives )

[FaceCMatrix,VertexCMatrix,Cmagnitude]=CalcCurvatureDeriv...

[FaceNormals]=CalcFaceNormals(FV)

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updated 10 months ago

Patch Curvature by Dirk-Jan Kroon

Principal, Gaussian and Mean Curvature of triangulated mesh (curvature, gaussian, principal)

[Cmean,Cgaussian,Dir1,Dir2,Lambda1,Lambda2]=patchcurvatur...

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updated 1 year ago

Circle fitting using modified Coopes method by Daniel

Robust method for fitting a circle to data using Weighted Linear Least Squares. (curvature, circle, fit)

circfit( data, weights )

circfit_DEMO.m

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updated 2 years ago

dfdxc(x,f) computes the first two derivatives of f(x) by Brenden Epps

dfdxc(x,f) computes derivatives df/dx and d^2f/dx^2 using a modified central difference formula. (derivative, slope, curvature)

dfdxc(x,f)

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updated 3 years ago

2D Line Curvature and Normals by Dirk-Jan Kroon

Accurate Curvature and Normals of a line/contour consisting of 2D points (normals, normal, curvature)

N=LineNormals2D(Vertices,Lines)

k=LineCurvature2D(Vertices,Lines)

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updated 3 years ago

A Robust Corner Matching Technique by Mohammad Awrangjeb

a novel corner matching technique using corners detected by contour-based arcss detector. (robust corner matchin..., arcss detector, cpda detector)

appendimages(image1, image2)

arcss_info.m

find_hist(I, nbin);

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updated 3 years ago

Affine Resilient Curvature Scale-Space Corner Detector by Mohammad Awrangjeb

Apply the affine-length parameterized curvature to the CSS corner detection technique. (corner detection, image analysis, curvature)

arcss.m

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updated 4 years ago

A Fast Corner Detector Based on the Chord-to-Point Distance Accumulation Technique by Mohammad Awrangjeb

Reference: A Fast Corner Detector Based on the Chord-to-Point Distance Accumulation Technique, IEEE. (fastcpda, cpda, corner detection)

fast_cpda.m

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updated 4 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

Robust Image Corner Detection based on the Chord-to-Point Distance Accumulation Technique by Mohammad Awrangjeb

A robust scale-space corner detector that outperforms existing single and multi-scale detectors. (multiscale detectors, corner detection, curvature)

cpda.m

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updated 5 years ago

A Corner Detector based on Global and Local Curvature Properties by Xiaochen He

A robust corner detector works on grey-level images as well as planar curves. (image analysis, corner detection, curvature)

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updated 5 years ago

curvature to cartesian by skouliki katelouzos

with this function you can convert a (curvature- curve length) relation to Cartesian coordinates. (interpolation, curv2cart, polynomial spirals)

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updated 7 years ago

Geodesic solver by Bilwaj Gaonkar

Program uses metric tensor as input and generates geodesic equations in 4 d space time as output (chemistry, physics, geodesic)

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updated 8 years ago

bqcurv by David Ferrari

Calculates the curvature of a triangulated surface (surface, curvature, vertex)

bqcurv(R, n),

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updated 8 years ago

Surface Curvature by Daniel Claxton

Vectorized surface curvature computation (curvature, gaussian, mean curvature)

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updated 9 years ago

Curvature-Torsion Defined Curve by Paolo Panarese

Given torsion and curvature functions, compute the curve uniquely. (differential equation..., frenet, differential geometry)

frenet(curvature,torsion, T0,N0, tspan, handles)

frenetgui(varargin)

visualizefrenet(j,x,Tg,Nm,Bn,t, factor, handles)

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updated 9 years ago

Frenet basis for 3D torsion-curvature based curves by Paolo Panarese

Given torsion and curvature functions, it computes the curve by solving Frenet differential system. (differential equation..., frenet, basis)

frenet(curvature,torsion, T0,N0, tspan, handles)

frenetgui(varargin)

visualizefrenet(j,x,Tg,Nm,Bn,t, factor, handles)

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updated 13 years ago

Stairs on a Half Sphere (image 2) by Henri Champliaud

Stairs on a Half Sphere (image 2) (gallery, stairs, half sphere)

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updated 13 years ago

Stairs on a Half Sphere (image 1) by Henri Champliaud

Stairs on a Half Sphere (image 1) (gallery, stairs, half sphere)

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