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updated 8 days ago

Fast and Accurate Bilateral Filtering by Kunal Chaudhury

Kunal Chaudhury (view profile)

Fast and Accurate Approximation of the Bilateral Filter (image processing, filtering, bilateral filter)

GPA(f, sigmar, W, eps, flag)

estN(sigmar,T,eps)

demo.m

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updated 9 days ago

Low Pass Filter Design Using Z Transforms by J C

J C (view profile)

This m file constructs low pass filters with -3dB bandwidths from 100Hz to >1Ghz using z transforms. (filtering, z transforms lpf low ...)

ztransformLPF1.m

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updated 9 days ago

Band Pass Filter Design Using Z Transforms by J C

J C (view profile)

Constructs two pole two zero band pass filters with center frequencies from 100Hz to >4G. (filtering, filters z transforms ...)

ztransformBPF.m

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updated 10 days ago

PWN2PLY by Eric Ogier

Eric Ogier (view profile)

Converter from PWN format to PLY format (ply, pwn, polygon)

PWN2PLY()

Ressources(Type)

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updated 14 days ago

Relaxed Median by Jeny Rajan

Jeny Rajan (view profile)

Relaxed median filter for noisy images. (filtering, relaxed median, filter)

rmedian(im2,L,U)

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updated 14 days ago

Molecular Image Denoising by Jeny Rajan

Jeny Rajan (view profile)

Program for removing noise from molecular level images (enhancement, image denoising, molecular image)

hybrid.m

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updated 14 days ago

Generalised Sobel Filter for Edge Detection by Jeny Rajan

Jeny Rajan (view profile)

Program for generating edge images using sobel filter of any size (filtering, sobel, edge)

GSobel(img,Wsize)

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updated 14 days ago

sgolayfilt by Andrew Horchler

Savitzky-Golay differentiation filters (signal processing, function, filter)

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updated 27 days ago

bartverm/loess-matlab by Bart Vermeulen

Robust locally weighted regression (filtering, regression, multithreaded)

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updated 1 month ago

Adaptive Optimal Kernel by Tony Reina

An Adaptive Optimal-Kernel Time-Frequency Representation (time frequency, wavelets, ambiguity)

fft_tfr(n,m,x,y)

mklag(nrad,nphi,nlag,iphi,jrad)

plagmake(nrad, nphi, nlag)

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updated 1 month ago

Local Adaptive Thresholding by Guanglei Xiong

Guanglei Xiong (view profile)

Threshold with local statistics, such as mean or median. (filtering, threshold adaptive lo..., svm)

adaptivethreshold(IM,ws,C,tm)

testadaptivethreshold.m

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updated 1 month ago

Fuzzy c-means thresholding by Guanglei Xiong

Guanglei Xiong (view profile)

Thresholding by 3-class fuzzy c-means clustering. (filtering, threshold fuzzy cmean..., kmeans)

fcmthresh(IM,sw)

testfcmthresh.m

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updated 1 month ago

Gradient using first order derivative of Gaussian by Guanglei Xiong

Guanglei Xiong (view profile)

Output the gradient image of a grayscale image (filtering, gradient gaussian, first order derivativ...)

gaussgradient(IM,sigma)

testgaussgradient.m

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updated 3 months ago

Find peaks (maxima and minima) 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)

peakFinder(y,x,threshold,stepsize)

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updated 5 months ago

Lab 2 - Digital Signal Processing. FIR Filtering. by Sanzhar Askaruly

Appropriate report, code files, functions and figures are added together into the archive. (signal processing, fir, filtering)

Lab2P1E2_NU(L,a)

fir_NU(h,w,x)

ex2_1_FilteringMultiFrequency.m

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updated 5 months ago

Bitonic filter by Graham Treece

A filter for preserving any bitonic information in signals or images. (filtering, image processing, signal processing)

bitonic(A, f, o)

rankfilt2(A, ORDER, DOMAIN, ORDER2)

bitonic_demo.m

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updated 5 months ago

2-dimensional linear convolution by FFT by Hisa

Hisa (view profile)

CONVOL2FFT computes a 2-dimensional linear convolution between an image and a filter. (image processing, image, filtering)

convol2fft(x,h,varargin)

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updated 5 months ago

Remove Line Noise by Calvin Eiber

Removes line noise from an array of continuously recorded waves using Spectrum Estimation (signal processing, utilities, filtering)

removeLineNoise_SpectrumEstimation(wave, fs, opts)

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updated 5 months ago

Spatial Filtering Detection by Subramanyam Venkata

This is the code for the ICIP 2015 paper titled SPATIAL DOMAIN FILTERING DETECTION. (image processing, image forensics, filtering)

extract_TPM(input,choice,range)

grad_finalone(zq,xblock,kezinv,weight,maxiter)

noise_finalone(image,quality,weight,maxiter)

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updated 5 months ago

DevinCharles/utilityFunctions by Devin Prescott

Some useful Matlab utility functions. (filter, filtering, horizontal line)

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updated 7 months ago

GaussKern2D(width,height,s) by Nils Persson

Fast 2-dimensional Gaussian kernel generator (image processing, machine learning, gaussian)

GaussKern2D(width,height,s)

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updated 7 months ago

filter1 by Chad Greene

Chad Greene (view profile)

1D zero-phase frequency filtering using butterworth filters (frequency, filtering, butterworth)

filter1 documentation

filter1(filtertype,y,varargin)

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updated 7 months ago

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

Aditya Sundar (view profile)

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

evaluate_denoising_metrics(clean,denoised)

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updated 7 months ago

Denoising signals using empirical mode decomposition and hurst analysis by Aditya Sundar

Aditya Sundar (view profile)

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 7 months ago

Power Law Filtering ToolBox by Karim Hardani

It's a simple toolbox for Power Law filtering. (filtering, image, toolbox)

Power_Law(varargin)

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updated 7 months ago

Highboost(I, A) by Yanchao Wang

High Boost filtering function (filtering)

Highboost(I, A)

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updated 8 months ago

Denoising signals using morphological techniques by Aditya Sundar

Aditya Sundar (view profile)

Denoising signals using morphological techniques. (denoising, filtering, morphology)

morphological(x)

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updated 8 months ago

Time frequency distribution of a signal using S-transform (stockwell transform) by Aditya Sundar

Aditya Sundar (view profile)

This function gives the time-frequency distribution using S-transform in matlab (signal processing, stockwell transform, stransform)

Stockwell_tran_timefreq(a,minfreq,maxfreq,samplingrate)

st(timeseries,minfreq,maxfreq,samplingrate,freqsamplingrate)

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updated 8 months ago

Anisotropic Diffusion with Memory based on Speckle Statistics for Ultrasound Images by Gabriel Ramos Llordén

Anisotropic Diffusion with Memory based on Speckle Statistics for Ultrasound Images (speckle, anisotropic diffusion, filtering)

ADMSS_2D.m

GMMestimator.m

DDE(n_memory,lambda_1,lambda_2,v1x,v2x,v1y,v2y,p_tissue,g...

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updated 8 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 8 months 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 8 months 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 9 months 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 10 months 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 10 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 11 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 11 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 12 months ago

Different Filtering Algorithms by Enio

Enio (view profile)

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

Filters.m

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updated 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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 1 year 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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