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updated 14 hours ago

Code for calculating root mean squared error for data by Kamlesh Pawar

This is a simple code which accurately calculates RMS error for real or complex data. (image processing, signal processing)

[er]=rms_error(A1,A2)

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updated 14 hours ago

Improved Feedforward Neural Networks Using PSOGSA by Seyedali Mirjalili

This program is an improved Feedforward Neural Network using a hybrid algorithm called PSOGSA. (optimization, particle swarm optimi..., pso)

o=My_FNN(Ino,Hno,Ono,W,B,x1,x2,x3,x4)

output=My_sigmoid(x)

FNNGSA.m

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updated 15 hours ago

Change Image Coordination by Marco Chak Yan Yu

Change image coordinate from standard image coordinate to polar coordinate, vice versa. (image processing, coordination)

image2polar(IM,xCenter,yCenter,ROT,rrange,rbin,thetabin,INT...

polar2image(IMR,ROT,rrange,rbin,thetabin)

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updated 15 hours ago

Color Detection By HSV color model by Marco Chak Yan Yu

Detect specific color in an image and output as a Black/White image (image processing, color)

color_detection_by_hue(I,sThresh,vThresh)

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updated 15 hours ago

Circles overlap remover by Elad

Remove one or both circles from an overlapping circles pair (with tolerance). (imfindcircles, image processing, circles)

[centersNew,radiiNew]=RemoveOverLap(centers,radii,tol,optio...

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updated 15 hours ago

Applications of Chaos and Nonlinear Dynamics in Engineering - Vol. 1 by Stephen Lynch

Lynch files to accompany the book. (modeling, simulink, mathematics)

sys=Hopf_System(~,x)

xdot=Chem(~,x)

xdot=Duffing(t,x)

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updated 4 days ago

Zernike Package by Yasushi Iwasaki

This package provides Zernike utilities. (zernike, polynomial, optics)

DisplayFringeOrder0(kMax)

DisplayFringeOrder1(kMax)

DisplayParityOrder0(kMax)

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updated 4 days ago

Photron MRAW File Reader by SEP

This function reads 16 bit monchrome Photron image data into a structure (photron, mraw, image reader)

readmraw(filename,numimgs)

photron_example.m

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updated 4 days ago

Histogram Equalization by Devinder

this file implements histogram Equalization on an image (image processing, signal processing, computer vision)

histeq.m

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updated 4 days ago

Easy Sensitivity (Tornado) Plot Function by Richard McCulloch

This function makes a tornado sensitivity plot and returns the sensitivity values. (aerospace, biotech, data export)

TorPlot(data,names,sensitivity,save)

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updated 4 days ago

Easy 'n fast smoothing for 1-D to N-D data by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (image processing, signal processing, statistics)

smoothn(varargin)

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updated 4 days ago

Masked k-order statistic filters for 2D data by Fabio Bellavia

Morphological erosion, dilation, median filter and generic k-order statistic filter implementation (korder statistical fi..., 2d median filter, morphological dilatio...)

r=kordstatfilt2(im,ker,idx)

test.m

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updated 6 days ago

Lithium Battery Model, Simscape Language and Simulink Design Optimization by Robyn Jackey

Multi-temperature lithium battery model using Simscape language and Simulink Design Optimization (lithium, battery, demo)

plot_estim_results.m

plot_estim_results.m

plot_estim_results.m

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updated 6 days ago

Bradley local image thresholding by Jan Motl

A fast an well performing local image thresholding method. (binarization, local thresholding, image processing)

averagefilter(image, varargin)

bradley(image, varargin)

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updated 6 days ago

Angle calculator from sin and cos values by Disi A

This function uniquely determines the angle (-180,180] in degree or(-pi, pi] in radian (mathematics, measurement, signal processing)

theta=angleCalc(S,C,out_mode)

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updated 6 days ago

PIVMat 3.02 by Frederic Moisy

A PIV Post-processing and data analysis toolbox (davis, data export, data import)

about_pivmat (PIVMat Toolbox)

addnoisef (PIVMat Toolbox)

averf (PIVMat Toolbox)

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updated 6 days ago

Comparison between unipolar and bipolar digital transmission by SBAIH Nizar

this M-file gives you the performance of a bipolar transmission over a unipolar transmission. (image processing, signal processing)

Bipolar_vs_Unipolar.m

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updated 6 days ago

Stochastic Simultaneous Optimistic Optimization by Michal Valko

Black box stochastic function optimization without the knowledge of function's smoothness. (optimization, smoothness, stochastic)

draw_function(x_min,x_max,f,output)

draw_partition_tree(t,settings)

example_simple.m

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updated 8 days ago

An Easy Efficient Pure Algebraic Method for Partial Fraction Expansion by MA Youneng

A matlab code for partial expansion of rational functions with multiple high-order poles. (mathematics, system identification, signal processing)

pfe.m

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updated 8 days ago

Bregman Cookbook by Jerome Gilles

This toolbox provides signal/image/3D processing based on Bregman Iterations (signal processing, bregman, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated 8 days ago

Magnetic field of a Circular current loop using Biot Savart's Law by Sathyanarayan Rao

Magnetic Field of a circular loop is evaluated in two dimensions. (mathematics, simulation, aerospace)

Biot_3d.m

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updated 8 days ago

Aerospace Trajectory Optimization Using Direct Transciption and Collocation by David Eagle

Demonstrates the solution of an aerospace trajectory optimization problem. (aerospace, optimization)

cgl(np, a, b)

defect_trap(tk, tkp1, xk, xkp1, uk, ukp1)

dto_guess(ti, tf, xi, xf, ngrid)

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updated 8 days ago

MIMO-Diophantine solver by davood shaghaghi

This function solve MIMO-Diophantine equation. (control design, optimization, simulation)

mimodioph(A,B,N)

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updated 8 days ago

Trainable COSFIRE filters for keypoint detection and pattern recognition by George Azzopardi

A COSFIRE filter detects features or patterns of interest, e.g. traffic signs in complex scenes. (feature detection, trainable, feature)

COSFIRE_Application(example)

Gabor(img, lambda, aspectratio, bandwidth, orientation, shi...

Parameters(type)

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updated 8 days ago

Wolfenstein 3D (Tech Demo) by Mingjing Zhang

A playable Wolfenstein 3D demo featuring real-time ray casting. My most bestest creation by far. (game, 3d, projection)

Wolfenstein 3D Tech Demo

wolf3d

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updated 8 days ago

blob detection and parameters' estimation by Xiaopeng Xu

features (determinant of hessia..., blob, feature)

I1=gauss3(theta,sx,sy,winsz,x0,y0)

gaussianss_doh(I,min_scale,max_scale,S,sigma0)

gaussianss_log(I,min_scale,max_scale,S,sigma0)

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updated 12 days ago

Biot-Savart direct integration on a generic curve by Alessandro Masullo

Biot-Savart integration on a generic curve, by numerical integration. (biotsavart, biot, savart)

biot_savart.m

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updated 13 days ago

Reconstruction of Image from Simple Back Projection by Shrinivas

Reconstruction of Image from projections (image processing, mathematics, matlab)

[size1,upto,increment]=inputsbp()

[z]=choosesbp(upto,increment)

sbp0109.m

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updated 13 days ago

expandBW by Matthew

This function is used to expand the perimeter of a binary image by one pixel (bw, binary, expand)

expandBW(bw)

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updated 13 days ago

Efficient Multidimensional Scaling (MDS) by Quan Wang

The is the source code of iterated Levenberg-Marquardt algorithm (ILMA) for solving MDS (mathematics, optimization, pattern recognition)

CM=confusion_matrix_reorder(CM)

[X, total_cost]=MDS_training(Dist,d,iter,strategy,display_f...

[X2]=MDS_encoding(X1,Dist,display_flag)

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updated 13 days ago

Monte Carlo example of the Multi-Factor coupled Commodity Forward curves Simulator by Ahmos Sansom

Implementation of the Multi-Factor multi commodity forward curve simulator (finance, mathematics, optimization)

GetCov(x, y)

LnTestofSims(mySims, LastFC, volFN, Factors)

MultiFactorForwardCurveSimulator(nSims, Seed, historicalFor...

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updated 14 days ago

3D IMAQ Waterfall by Marta

Acquires images and displays a live histogram and corresponding 3D waterfall plot. (example, application, imaq)

imaqwaterfall(varargin)

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updated 14 days ago

Virtual Calculator by Oren berkovicth

This calculator allows the user to perform calculations in front of the camera. (image processing, gui, mathematics)

[newstr,same]=samenum(same,num)

displayscrean(x,y,newstr)

virtualcalc

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updated 14 days ago

Empirical Wavelet Transforms by Jerome Gilles

This toolbox proposes the original implementation of Empirical Wavelet Transforms (signal processing, image processing, mathematics)

AnglesLocalMax(f,N)

AnglesLocalMaxMin(f,N)

Angular_sector(theta,radius,theta0,theta1,r0,r1,gammaw,Dthe...

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updated 15 days ago

Gaussian High Pass Filter by Muhammad Ammad

Implementation of high pass filter without using built-in functions. (high pass filter, edge detection, gaussian)

GaussianHighpass

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updated 15 days ago

Matlab Code Gaussian Elimination Method by Muhammad Ammad

Source = http://crunchmodo.com/matlab-code-gaussian-elimination-method/ (gaussian elimination ..., gaussian elimination, gaussian)

gauss_elimnation

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updated 15 days ago

Add Visible Line over Images (Modifed Version of the one in Doug's MATLAB Video Tutorials) by Anand P

This is a modified version of the one shared in Doug's MATLAB Video Tutorials (image processing, signal processing, data export)

cursorLine(x,y,innerThickness, outerThickness)

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updated 15 days ago

Ordinary Differential Equation Toolbox: ODEbox Version 1.1 by Matthew Harker, Paul O'Leary,

This is a toolbos for the solution of ordinary differential equations including IVPs and BVPs. (ode, ivp, bvp)

eulerODE01(x,y)

eulerODE02(x,y)

eulerODE03(x,y)

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updated 15 days ago

Euler’s method by Mohammed Al-Mostafa

find the function then draw it using the derivative Euler’s method (mathematics)

Euler

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updated 15 days ago

Kalman Filter demo for Ball Tracking by Bassam Jalgha

This code shows a demo of the kalman filter used to track a white ball. (kalman filter, linear quadratic esti..., linear system)

KalmanFilter.m

ball2.mp4

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updated 15 days ago

Plot2BMP by Bryan C. Smith

Exports Matlab arrays into BMP images. Many options for color, can handle complex arrays. (plotting, visualization, complex maps)

plot2bmp(Z,varargin)

mandelbrot.m

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updated 15 days ago

Another Particle Swarm Toolbox by Sam

Implementation of a PSO algorithm with the same syntax as the Genetic Algorithm Toolbox. (global optimization, particle swarm, pso)

...

...

...

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updated 15 days ago

Laplacian 2.0 by Bryan C. Smith

(1-3)D sparse Laplacian matrices with eigenvalues and eigenvectors. (laplacian, eigenvalues, eigenvectors)

laplacian2(numpts, varargin)

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updated 15 days ago

differential feature by Martin Trapp

Extraction of differential features on 3D Images. (image processing, medical)

differentialFeature( img, features, stepSize )

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updated 15 days ago

Airfoil generation using CST parameterization method by Pramudita Satria Palar

Generates an airfoil shape using CST method (aerospace, optimization, aerodynamics)

CST_airfoil(wl,wu,dz,N);

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updated 18 days ago

Model Predictive Control of Multi-Input, Multi-Output (MIMO) systems by Pooya Rezaei

Quadratic Programming is used to simulate Model Predictive Control of MIMO systems (optimization, control design, model predictive cont...)

Addnoise(sig,order,noise_percent)

MPC_calculation(x0,yref,uref,MPC_case)

MPC_calculation_delta_u(x0,yref_Np,MPC_case)

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updated 18 days ago

Optimal Finite-burn Interplanetary Injection from Earth Orbit by David Eagle

A MATLAB script for optimizing finite-burn interplanetary injection trajectories. (aerospace, mathematics, simulation)

[fid, itarget, nsegments, xmass0, thrmag, xisp, oev_initial...

asympt (cbmu, rsc, vsc)

atan3 (a, b)

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updated 19 days ago

LAI by Erwin Torreao Dassen

A linear algebra over the integers package based on layered lattices. (mathematics, lattices, linear algebra)

LAI

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updated 20 days ago

PCA by Devinder

this implements the PCA algorithm. User can choose/input the no.of features in the reduced Dataset. (pca, image processing, computer vision)

featureNormalize(X)

pca(X,n)

main.m

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updated 20 days ago

Adjust window level of image using mouse button by Yi Sui

You can adjust the window level using mouse (image processing, window level)

enableWL(hfig)

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