image thumbnail

updated 29 days ago

modify_spline(spline,a,b,shiftx,shifty,scalex,scaley) by Ernst Jan Grift

Spline object modification / transformation (spline, modification, transformation)

modify_spline(spline,a,b,shiftx,shifty,scalex,scaley)

image thumbnail

updated 1 month ago

Active spline model (win) by Jen Hong Tan

A new model-based segmentation. It is close to active shape model, but uses Catmull-Rom spline. (spline, active shape models, point distribution mo...)

jFlashingStr(hdl, StrContent, dur)

jFlashingStrStreamS(StringContent)

jasplmgomodel(asplm)

image thumbnail

updated 1 month ago

B-spline network based repetitive motion control by Bartlomiej Ufnalski

The concept of B-spline based repetitive control is explored within the frame of motion control. (repetitive control, iterative learning co..., ilc)

PI_anti_windup_speed_mfunc(t,x,u,flag,kP,kI,umax,Tsampling)

PI_anti_windup_torque_mfunc(t,x,u,flag,kP,kI,umax,Tsampling)

mu2nd_i(i,k)

image thumbnail

updated 2 months ago

B-spline network based repetitive controller (C-code) by Michal Malkowski

C-code version of B-spline repetitive controller (b spline, b spline network, basis spline)

init_data.m

RNC_B_spline_C_code_PLECS_full.slx

RNC_B_spline_C_code_PLECS_viewer.slx

image thumbnail

updated 2 months ago

B-spline based repetitive neurocontroller by Bartlomiej Ufnalski

A non-local learning rule is employed in a repetitive neurocontroller based on B-spline network. (basis spline, b spline, repetitive control)

mu1st_i(i,k)

mu2nd_i(i,k)

RNC_B_spline_without_PLECS.m

image thumbnail

updated 3 months ago

ffts(X,V,Xq,method,window) by Dirk-Jan Kroon

Dirk-Jan Kroon (view profile)

Fast Fourier Transform ( FFT ) of scattered data (signal processing, fft, bspline)

ffts(X,V,Xq,method,window)

image thumbnail

updated 3 months ago

SPLINEFIT by Jonas Lundgren

Jonas Lundgren (view profile)

Fit a spline to noisy data. (spline, splinefit, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

image thumbnail

updated 4 months ago

Radial Basis Function Network by Travis Wiens

Travis Wiens (view profile)

Simulates and trains Gaussian and polyharmonic spline radial basis function networks. (radial basis function, rbf for suren, radial basis function...)

rbf_integral(Xc,X1,X2,k_i,basisfunction)

rbfn_integral(Xc,X1,X2,W,k_i,basisfunction)

sim_rbf(Xc,X,W,k_i,basisfunction)

image thumbnail

updated 5 months ago

Generate Random Numbers from a 2D Discrete Distribution by Tristan Ursell

Tristan Ursell (view profile)

Random numbers from any 2D discrete probability distribution, at any resolution. (discrete, distribution, generate)

[x0,y0]=pinky(Xin,Yin,dist_in,varargin)

image thumbnail

updated 7 months ago

Interpolation Utilities by Joe Henning

A variety of interpolation utilities (interpolation, piecewise interpolati..., cubic interpolation)

baryinv(x, y, xi, c)

cakima(x, y, xi)

cbezier(x, y, xi)

image thumbnail

updated 8 months ago

UEA_geometry.zip by Aleksander Bapst

Extract dimensions of Utah array electrodes from .TIF SEM images (utah array, microelectrodes, sem)

calculateEllipse(x, y, a, b, angle, steps)

frustum_analysis(varargin)

main(varargin)

image thumbnail

updated 11 months ago

SLM - Shape Language Modeling by John D'Errico

John D'Errico (view profile)

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

image thumbnail

updated 1 year ago

Compass Gait Bipedal Robot with Computer Torque Control (CTC) by Ali

Ali (view profile)

Basic compass gait model simulation with computer torque control for reference trajectories (compass gait, bipedal robot, walking)

Animation.m

Trajectory_Planner.m

CTC_Control.mdl

image thumbnail

updated almost 2 years ago

Restricted Cubic Spline by Leonidas Bantis

Fits the so called restricted cubic spline via least squares and obtains 95% bootstrap based CIs. (spline, restricted cubic spli..., least squares)

[bhat f sse knots CI]=rcspline(x,y,knots,bootsams,atwhich...

[bhat ff sse X]=rcs(x,y,knots,plots)

example.m

image thumbnail

updated 2 years ago

distance2curve by John D'Errico

John D'Errico (view profile)

Find the closest point on a (n-dimensional) curve to any given point or set of points (nearest, closest, distance)

distance2curve(curvexy,mapxy,interpmethod)

image thumbnail

updated 2 years ago

B-splines by Levente Hunyadi

Draw, manipulate and reconstruct B-splines. (bspline, drag and drop, ginput)

bspline_approx(k,t,x,M)

bspline_basis(j,n,t,x)

bspline_basismatrix(n,t,x)

image thumbnail

updated 2 years ago

Waveform Generator GUI by Maxim Vedenyov

Maxim Vedenyov (view profile)

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (waveform, gui, signal processing)

Waveform Generator GUI

bdf(ha,hfl,uf)

hfl=create_marker(ha,x,y,r,c,uf,no)

image thumbnail

updated 2 years ago

Construction of cubic Bezier Patch and Surface by Dr. Murtaza Khan

Construction of cubic Bezier Patch and Surface (cubic bezier, patch, surface)

Q=bezierpatchinterp(P,varargin)

plotbezierpatch3D(P,Q)

plotbeziersurface3D(S,Q)

image thumbnail

updated 2 years ago

interparc by John D'Errico

John D'Errico (view profile)

Distance based interpolation along a general curve in space (interpolation, spline, linear)

interparc(t,px,py,varargin)

image thumbnail

updated 2 years ago

Free-knot spline approximation by Bruno Luong

Bruno Luong (view profile)

Least squares approximation of 1D data using free-knots spline (fitting, bspline, free knots)

BBspline(varargin)

BSFK(x, y, k, nknots, fixknots, options)

BSFK_install

image thumbnail

updated 3 years ago

Interactive curve class by Maxim Vedenyov

Maxim Vedenyov (view profile)

change curve by markers drag-and-drop (interactive, curve, interpolation)

example4(varargin)

ic=example3

interactive_curve

image thumbnail

updated 3 years ago

3D Free Form Image Registration Toolbox (GUI) by Daniel Markel

Daniel Markel (view profile)

A toolbox for performing image registrations on 4D RTOG files or any other volumetric image. (geometric transformat..., image registration, 3d)

Crop_image(varargin)

Dcoord(varargin)

Deform(varargin)

image thumbnail

updated 3 years ago

arclength by John D'Errico

John D'Errico (view profile)

Compute the arclength of a general curve in any number of dimensions (arclength, spline, curve)

arclength(px,py,varargin)

image thumbnail

updated 3 years ago

Fast B-spline class by Patrick Mineault

Fit, evaluate, differentiate non-uniform B-splines of any order - fast (bspline, pspline, spline)

CompileMexFiles()

fastBSpline

TryBSpline.m

image thumbnail

updated 3 years ago

spline_deriv by Samuel Lazerson

Calculates the jth derivative of spline as produced by mkpp and returns a spline. (mathematics, spline, curve fitting)

spline_deriv( pp,jderiv )

image thumbnail

updated 3 years ago

equalspline by Jeff Tuhtan

Equally spaced points along a polyline. Can use spline, linear, and other interpolation methods. (polyline, spline, even spacing)

equalspline(orientation,curveRes,splineDist,method)

image thumbnail

updated 4 years ago

Regular Control Point Interpolation Matrix with Boundary Conditions by Matt J

Matt J (view profile)

Creates Toeplitz-like matrices representing interpolation operations with edge conditions. (interpolation, spline, bspline)

Example1D

Example2D

T=interpMatrix(kernel, origin, numCtrlPoints, CtrlPointSe...

image thumbnail

updated 4 years ago

Local maxima and minima of a pp spline by Matthew Arthington

Determine the locations of local maxima and minima in a pp spline generated by pp = spline(x,Y); (spline, maxima, minima)

splineMaximaMinima(ppSpline)

image thumbnail

updated almost 5 years ago

Cardinal Spline (Catmull-Rom) Spline by Dr. Murtaza Khan

Evaluates and plot 2D Cardinal Spline (Catmull-Rom) Spline. (approximation, interpolation, cardinal spline)

[xt,yt] =EvaluateCardinal2D(P0,P1,P2,P3,T,u)

[xvec,yvec]=EvaluateCardinal2DAtNplusOneValues(P0,P1,P2,P...

TestEvaluateCardinal2D.m

image thumbnail

updated almost 5 years ago

Spline based function approximation for HDL synthesis by Sean Little

This is a suite of simple utilities that allow for efficient approximation of complex functions in a (hdl, hdl coder, spline)

[x,pp]=create_lut3(fcn, rng, tol)

example

nearestpoint(x,y,m) ;

image thumbnail

updated almost 5 years ago

Random numbers from a user defined piecewise polynomial distribution by Luigi Sanguigno

RANDPDFS returns pseudorandom values drawn from an arbitrary distribution defined by the pp-form. (mathematics, statistics, spline)

[r,varargout]=randpdfs(ppdf,varargin)

randpdfsdoc.m

image thumbnail

updated 5 years ago

Triangular Mesh Refinement by Dirk-Jan Kroon

Dirk-Jan Kroon (view profile)

This function will refine a triangular mesh with 4-split spline interpolation (approximation, interpolation, triangular)

Fnew=makenewfacelist(F,HT_index, HT_values)

Ne=vertex_neighbours(FV)

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

image thumbnail

updated 5 years ago

clickfit_OH for curve fitting by eye/hand by Oscar Hartogensis

click a data-series on top of a (noisy) scatterplot and get a spline or polynomial regression (curve fitting, spline, regression)

clickfit_OH(varargin)

ginput_OH(arg1,strpointertype,xx,yy)

image thumbnail

updated 5 years ago

Interactive Spline Region of Interest by Azim

Azim (view profile)

An interactive, closed spline (gui, interactive, roi)

splineroi

exampleScript.m

image thumbnail

updated 5 years ago

Filter Coefficients to Popular Wavelets by Pascal Getreuer

Pascal Getreuer (view profile)

Reference of wavelet filter coefficients and lifting scheme implementations. (time frequency, wavelets, daubechies)

image thumbnail

updated 5 years ago

Spline derivative by Bruno Luong

Bruno Luong (view profile)

Compute spline function and its derivative (spline, interpolation, derivative)

BLspline_install

DP=polyderiv(P, ivar)

P=scalefun(P, S)

image thumbnail

updated 5 years ago

nanderivative.m v2.1 (Jul 2009) by Carlos Adrian Vargas Aguilera

N-order derivative of vector data by interpolating nearby points, ignoring NaNs. (approximation, interpolation, diff)

nanderivative(Y,X,N,K,MET)

image thumbnail

updated 6 years ago

igesout by Daniel Claxton

Daniel Claxton (view profile)

Convert surfaces, curves and lines to IGES file (data import, data export, iges)

image thumbnail

updated almost 7 years ago

N-Dimensional BSplines by Nathan Cahill

Construct coefficients of interpolating or smoothing BSplines from N-dimensional array, analytically (approximation, interpolation, spline)

bsarray(a,varargin)

image thumbnail

updated 7 years ago

AUTOCAD By Matlab by Abdelrahman mohammed

from now you can plot circle ,rectangular,spline,arc,line,...like AUTOCAD (gallery, graphics, plot circle)

MATHCAD(varargin)

image thumbnail

updated 7 years ago

Contour edition by Vincent Garcia

Vincent Garcia (view profile)

Edit an object contour using mouse interactions (contour edition, point, square)

ctr_editContour(img,o_ctrType,o_ctr)

test()

image thumbnail

updated 8 years ago

gspline by Daniel Claxton

Daniel Claxton (view profile)

GSPLINE - Interactively draw interpolating spline similar to gline (annotation, customization, spline)

image thumbnail

updated 8 years ago

Select ROI in image using spline by Simone Cazzaniga

A usefull program to select smooth region in image (image analysis, roi, spline)

image thumbnail

updated 8 years ago

NaturalOpenCubicSplineCurves by Nguyen Quoc Duan

NOCSC with uniform and proportional knots (specialized, plotting, cubic)

image thumbnail

updated 9 years ago

Akima Interpolation by N. Shamsundar

Interpolate smooth curve through given points on a plane. (specialized, plotting, fit)

yi=akimai(x,y,xi)

AkimaTst.m

image thumbnail

updated almost 11 years ago

cubicSpline by Andrew Hastings

Andrew Hastings (view profile)

Accurate method to produce a curve through data points. (integration, curved lines, spline)

image thumbnail

updated 13 years ago

Simple Warping Routine by Alex /Gloria Ossadtchi /Halfacre

Rerforms simple 2-D warping based on a set of reference points (geometric transformat..., image registration, warping)

warpitfun(pink,get,Zp,Zg)

warpingfunsup.m

Contact us