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updated 4 months ago

PeakFinder by Nathanael Yoder

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal. (signal processing, maxima, minima)

peakfinder(x0, sel, thresh, extrema, include_endpoints)

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updated 10 months ago

1D Finite Element Method (FEM) Example by Cheuk

A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs. (finite, element, method)

a_def(node)

act_quad(dof_pos, ref_quad_pos, num_edges)

compute_RHS_global(RHS_local, loc_glob, num_edges)

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updated 12 months ago

geod -- yet another geodetic toolbox by Felipe G. Nievinski

Vectorized manipulation of coordinates commonly used in geodesy. (geodesy, geomatics, surveying)

Introduction to Functional Programming with Anonymous Fun...

add_all (a, b)

compute_meridian_radius (lat, ell)

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updated 1 year ago

1D Non-derivative Peak Finder by Tristan Ursell

Up-sample and filter noisy data to find peaks without using derivatives. (signal processing, interpolation, measurement)

varargout =peakfind(x_data,y_data,varargin)

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updated 1 year ago

Find Image Extrema by Tristan Ursell

Find local maxima, local minima, saddle points, and flat regions in an image. (image, maximum, maxima)

[x,y,z,c]=imextrema(im1,varargin)

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updated 1 year ago

Feng local image thresholding by Jan Motl

Feng binarization method is well suited for ill illuminated or stained documents. (binarization, thresholding, local)

averagefilter(image, varargin)

maxfilt2(X,varargin)

minfilt2(X,varargin)

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updated 2 years ago

Image Noise Reduction by Local Statistics by Tristan Ursell

Reduce image noise by measuring local pixel statistics and remapping intensities. (image processing, image, noise)

[varargout]=relnoise(Iin,sz,sigma,varargin)

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updated 2 years ago

Random Search Algorithm by Reza Ahmadzadeh

Random search belongs to the fields of Stochastic Optimization and Global Optimization. (optimization, random, search)

RSA.m

RSA_visual.m

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updated 3 years ago

Simulated Annealing Optimization by H├ęctor Corte

This program performs simulated annealing otimization on functions of R^n in R. (finance, optimization, simulation)

sim_anl.m

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updated 4 years ago

Local Peaks by Christopher Hummersone

Find local peaks or troughs in a vector (local, peaks, troughs)

localpeaks(x,mode)

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updated 4 years ago

Peaks picking by Christos Saragiotis

Finds peaks or troughs in a vector o 2-D matrix. (data exploration, statistics, general tools)

pickpeaks(X,npts,dim,mode)

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updated 4 years ago

Derivative-based Optimization by Nassim Khaled

Derivative-based Optimization using The Gradient Descent (gradient, descent, minimum)

Gradient_Descent_maximum.m

Gradient_Descent_minimum.m

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updated 5 years ago

OpenOpt by Dmitrey Kroshko

nonSmoothSolve (similar to fsolve), non-smooth & noisy local + some global solvers; works in Octave (optimization, local, global)

GAconstrain(prob)

GHilbert(x)

GLemarechal(x)

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updated almost 6 years ago

Global to Local Coordinate Transformation Matrix by Paulo J. Paupitz Goncalves

T = trans_matrix_beam3d(x0,y0,z0,x1,y1,z1,alpha) (linear algebra, coordinate, transformation)

trans_matrix_beam3d(varargin)

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updated 6 years ago

cumulative local histogram to drive level set evolution by Yuanquan Wang

calculate the local cumulative histogram for level set (image analysis, local, histogram)

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updated 6 years ago

Local Linear Kernel Regression by Yi Cao

A function to provide local linear estimator of Gaussian kernel regression (statistics, probability, kernel smoothing)

r=ksrlin(x,y,h,N)

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updated 7 years ago

Image Tiling by Yasser Arafat

can be used for CBIR (morphology, segmentation, image tiling image bl...)

ImgYContainer=YTiler(NHBlocks,NVBlocks,typeOfImages)

YDemo__Tiler.m

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updated almost 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

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updated almost 11 years ago

inc by Jeffrey Johnson

Increments variable in local workspace. (increment, local, simplify)

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