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updated 5 days ago

Beard Jones Detection Filter Example by Sam Nazari

A Simulink implementation of the BJDF using the White & Speyer approach (detection, filtering, filter design)

BJDF.m

simpleTest.slx

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updated 11 days ago

unit_1.B Dip_Frequency Domain Filtering by MANISH KUMAR SHARMA

Fourier Transformation and Frequency Domain are used for Filtering (image processing, signal processing, filtering)

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updated 11 days ago

Denoising signals using empirical mode decomposition- detrended fluctuation analysis by Aditya Sundar

This code allows you to input a noisy signal and provides you the denoised signal using (noise, filtering, audio processing)

emd.m

emd_dfadenoising

estimate_hurst_exponent(data0)

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updated 18 days ago

2D Tracking Kalman Filter by Sam Nazari

A 2D Kalman Filter is designed to track a moving target. (kalman filter, signal processing, filtering)

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updated 1 month ago

Evaluating performance of denoising algorithms using metrics : MSE,MAE,SNR,PSNR & cross correlation by Aditya Sundar

This code computes the metrics MSE, MAE, SNR, PSNR and cross correlation coefficient . (signal processing, noise, denoising)

evaluate_denoising_metrics(noisy,denoised)

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updated 1 month ago

Simple Non Local Means (NLM) Filter by Christian Desrosiers

Simple implementation of the Non-Local Means (NLM) filter for image denoising (nonlocal means, nlm, image denoising)

simple_nlm(input,t,f,h1,h2,selfsim)

demo2.m

demo1.m

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updated 2 months ago

Anisotropic diffusion (stable scheme) by Jérôme FEHRENBACH

Stable and positive scheme for anisotropic diffusion (image processing, filtering, diffusion)

CardanRoots(varargin)

DiffusionSparseMatrix_2D(tensors)

DiffusionSparseMatrix_3D(tensors, periodic3)

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updated 2 months ago

Filters for Curvilinear Enhancement by Costas Panagiotakis

Step filtering and Polynomial filtering for enhancement of partial curvilinear structures (filtering, rotation invariant, scale invariant)

step_pol_Filtering(I,grammes, DTheta,DPaxos,typeOfFilter)

runFiltering.m

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updated 3 months ago

fun(b,a) by manjeet kumar

optimal fractional delay infinite impulse response filter design using cuckoo search algorithm (signal processing, optimization, matlab)

fun(b,a)

FD_IIR_CSA_PSO_GA.m

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updated 4 months ago

Different Filtering Algorithms by Enio

Average, Laplacian, Prewitt, Sobel, Disk Filtering Algorithms (image processing, filtering, filter design)

Filters.m

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updated 5 months ago

Artistic image filter by Víctor Martínez

Efficient algorithm of an artistic image filter, similar to commonly-used image applications. (image processing, graphic filtering, filtering)

imfilter_artistic.m

imfilter_border.m

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updated 5 months ago

How can I modify the circuit to obtain constant power? by James

A generator feed by a constant speed of 1800rpm but electrical power isn't constant why? (constant power, filtering)

T2_SGM_CVT.slx

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updated 5 months ago

INSIDDE THz Toolbox v0.2 by Hamdi Dibeklioglu

INSIDDE THz Toolbox provides various methods for THz image analysis. (autoencoding, deep autoencoding, texton histograms)

apcluster.m

L2_distance(a, b)

analyze_painting(filename, codebook)

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updated 6 months ago

Multi_Hertz(X,f,Fe) by Jean-Christophe COMTE

Remove harmonics in a signal (signal processing, noise, filtering)

Multi_Hertz(X,f,Fe)

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updated 6 months ago

Code for Webinar "Signal Processing for Machine Learning" by Gabriele Bunkheila

MATLAB Code from example used in the Webinar "Signal Processing for Machine Learning" (signal processing, spectral analysis, machine learning)

addActivityLegend(mode)

bwlabels1(x)

bwnumregions1(x)

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updated 6 months ago

An Image Filtering Function by Stuart Powell

An Image Filtering Function Detailing & Explaining Image Convolution (image processing, convolution, spatial filters)

CreateName(MyImageName, MyEffect)

MyBlurFilter(MyImage, MaskSize)

MyConverter(MyImageName)

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updated 7 months ago

Light Field Toolbox v0.4 by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (light field, plenoptic, lytro)

compute_extrinsic_refine.m

compute_extrinsic_init.m

LFBuild2DFreqFan( LFSize, Slope1, Slope2, BW, FiltOptions )

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updated 9 months ago

Peak detection of a function by Shoaibur Rahman

This function detects the transition points (maxima and minima) in a function like y = f(x) (signal processing, image processing, filtering)

findpeaks(y,x,threshold,stepsize)

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updated 9 months ago

Fast Iterative Truncated Arithmetic Mean Filter (FITM filter) by Miao Zhenwei

ITM/FITM filter (image processing, signal processing, filtering)

ITM_fix.m

ITM.m

FITM.m

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updated 10 months ago

FFTSELFFILTER Frequency Domain Image Auto Filtering by Vlad Atanasiu

Vlad Atanasiu (view profile)

Enhances powerful frequencies. (image, filtering, image processing)

fftsf(ImgIn,degree)

fftsf_movie.avi

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updated 10 months ago

Filter - smooth (calculating the moving average along a vector) by Adrian Lara-Quintanilla

This function calculates the moving average along that vector. It can be used to smooth a series. (smooth, filter, timeseries)

moving_average.m

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updated 10 months ago

SSB + FDM by Salman Qadir

Digital SSM modulation with FDM(frequency division multiplexing) (communications, ssb, fdm)

SSB_FDM.slx

outputsq1.avi

outputsq.avi

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updated 11 months ago

Forward field-shift calculation for MRI by Job

Job (view profile)

Superfast MRI field shift calculation based on a known susceptibility distribution. (mri, magnetic susceptibili..., aliasing)

calculateFieldShift.m

demonstration.m

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updated 12 months ago

ImageFilteringDemo.zip by Divyesh Varade

Some Basic Image filtering methods (image processing, filtering)

edgestrndir

filt1D(Il)

histeqrgbk(L3,k)

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updated 12 months ago

Digital Image Processing Unit - 02.pdf by MANISH KUMAR SHARMA

spatial filtering (image processing, signal processing, computer vision)

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updated 1 year ago

SIMULINK Sigma-Delta Toolbox by Isacco Arnaldi

Model-Based design and simulation of various Sigma-Delta ADCs (adc, dsp, audio processing)

SNRestimation(simout, f)

calculateSNR(hwfft,f,nsig)

dbv(x)

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updated 1 year ago

ECG IIR Notch Filtering with Transient Suppression by Arturo Moncada-Torres

Implementation of the ECG IIR notch filtering with transient suppression proposed by Pei and Tseng (digital signal proces..., dsp, ecg)

ecgTransientSuppression(x_n, fs, fd, BW, M)

ecgTransientSuppression_demo.m

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updated 1 year ago

edge_detection_using_LoG.zip by Devinder

Devinder (view profile)

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 1 year ago

Beltrami Filter by Shadi Albarqouni

It is a kind of Nonlinear Filters following the Beltrami flow. (filtering)

beltrami2D(im, num_iter, delta_t)

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updated 1 year ago

Savitzky-Golay Smoothing Filter by Jason Nicholson

Very simple function for Savitzky-Golay Smoothing (savitzkygolay, walter gander, teukolsky)

savGol

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updated 1 year ago

Detection, Estimation, and Modulation Theory Part I, 2Ed (Van Trees, Bell, Tian) Solutions & Figures by Kristine Bell

Chapters 6-9 Solution and Figure Files (detection, estimation, filtering)

Fig7_66.m

Fig9_10_11.m

Fig9_12_13.m

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updated 1 year ago

Detection, Estimation, and Modulation Theory Part I, 2Ed (Van Trees, Bell, Tian) Solutions & Figures by Kristine Bell

Chapters 2-5 Solution and Figure Files (detection, estimation, filtering)

TwoComplexExponentials2DMax(x,L)

TwoComplexExponentialsAP(x,L)

TwoComplexExponentialsEM(x,L)

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updated 1 year ago

Circle Hough Transform by Quan Wang

Quan Wang (view profile)

Hough transform for circles in binary images (image processing, computer vision, filtering)

circleHough(I,rmin,rmax,P,FS)

circle_in_image(m,n,xc,yc,r)

gaussian3(FS)

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updated 1 year ago

Fast 2-D convolution by David Young

David Young (view profile)

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases. (2d, convolution, filtering)

convolve2(x, m, shape, tol)

exindex(arr, varargin)

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updated 1 year ago

Steerable filter by Jincheng Pang

This package implements the 1st and 2nd order Gaussian derivative steerable filter (steerable filter, filtering, directional derivativ...)

steerGaussFilterOrder1(I,theta,sigma,disFlag)

steerGaussFilterOrder2(I,theta,sigma,disFlag)

Demo.m

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updated 1 year ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter( xGradient,yGradient,gradientM...

DetailBilateralFilter(inputImage,adaptiveRegion, xGrad...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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updated almost 2 years ago

Building the component tree in quasi-linear time by Kang Wang

The connected components of the level sets can be organized in a tree structure. (component tree, connected operators, mathematical morpholo...)

buildComponentTree(F)

plotAdjacentTree(nodes, adjs)

demo.m

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updated 2 years ago

FeatureFinder 2.4.1 by Feature Finder

A user-friendly tool for signal filtering and feature extraction. Well-suited to large data sets! (gui, data import, data export)

TargetMeanHR.m

TargetIBIs.m

HRV_SDNN.m

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updated 2 years ago

Filter noise and interpolate microscopy images in frequency domain by Shalin Mehta

Remove spatial frequencies beyond the optical cutoff and perform physically accurate interpolation. (microscopy, filtering, interpolation)

jinc(r)

opticalLowpassInterpolation(in,inscale,fcut,IntFac)

TestBench_opticalLowpassInterpolation_Airy.m

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updated almost 3 years ago

Butterworth Filters by Chad Greene

Chad Greene (view profile)

Highpass, lowpass, bandpass, and bandstop Butterworth frequency filters. (filtering, dsp, frequency)

bandpass_butterworth(inputsignal,cutoff_freqs,Fs,order)

bandstop_butterworth(inputsignal,cutoff_freqs,Fs,order)

hipass_butterworth(inputsignal,cutoff_freq,Fs,order)

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updated 3 years ago

Unscented Kalman Filter (UKF) modeling of FitzHugh-Nagumo dynamics by Henning Voss

Unscented Kalman Filter (UKF) applied to FitzHugh-Nagumo neuron dynamics. (unscented kalman filt..., fitzhughnagumo, estimation)

FitzHughNagumo()

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updated 3 years ago

Estimating Time-varying Neural Interactions by Hideaki Shimazaki

Matlab code for estimating time-varying interactions of neurons from spike data. (statistics, mathematics, optimization)

BayesFactor(model,cell_id)

BayesFactor(model,cell_id)

CompSync(raw,D,r)

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updated 3 years ago

2-D adaptive noise-removal filtering by SANTIAGO AJA-FERNANDEZ

Modified version of WIENER2 from image toolbox with proper noise estimation (image processing, noise estimation, gaussian noise)

wienerC(g,varargin)

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updated 3 years ago

videoioPlayer by georg

georg (view profile)

This package contains a videoplayer class capable of viewing and processing video files in real-time (videoplayer, image processing, video processing)

demo1(fname)

demo2(fname)

demo_photoshopTB(fname)

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updated 3 years ago

Nth_Oct_Hand_Arm_&_AC_Filter_Tool_Box by Edward Zechmann

Features Nth octave band, Hand Arm, and A and C weighting filters (noise, nth octave, octave)

Test_Nth_oct_filters1.m

AC_weight_NB(f, output_units, one_or_two_sided)

ACdsgn(Fs)

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updated 3 years ago

Comb Filter by Jeff Tackett

Returns IIR coefficients for a Nth order Comb Filter (signal processing, filtering)

comb(N, varargin)

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updated 3 years ago

Filtering using Butterworth and Chebyshev by vj

vj (view profile)

Filtering an user defined signal or .wav file using Butterworth and Chebychev. Noise - AWGN. (gui, signal processing, filtering)

proj_filtering(varargin)

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updated almost 4 years ago

Live audio stream analyser and voice coach by Steve Lawrence

A program that uses 'analoginput' to create a live audio stream, which is analyzed in real-time. (singing, coach, signal processing)

liveon.m

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updated almost 4 years ago

Simple drums separation with NMF by Antoine Liutkus

Illustrates the use of NMF for the separation of drums in polyphonic music (source separation, audio, drums)

drums_separation.m

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updated almost 4 years ago

Guided Filter by Rachel

Rachel (view profile)

An 2D edge-preserving filter derived from a local linear model. Related to bilateral filter. (image processing, edgepreserving, filtering)

guided_filter(input, guide, epsilon, win_size)

guided.m

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