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updated 20 days ago

Wavelet Roughness Analysis of Images by Michael Workman

Calculates roughness, effective roughness, and skewness at multiple detail levels. (image processing, surface analysis, roughness)

wave_decomp(varargin)

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updated 1 month ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 2 months ago

Data based modeling of nonlinear dynamic systems using System Identification Toolbox by Rajiv Singh

Perspectives on nonlinear identification using a throttle valve modeling example. (toolbox, system identification, narmax)

throttleODE(t, x, F, c, k, K, b, varargin)

throttledemo.m

dataprep.m

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updated 2 months ago

ProgCertSOS by Victor Magron

Certified program analysis using Sum-of-Squares (SOS) programming (static analysis, abstract interpretati..., template abstract dom...)

plotcontour(Xit, Yit, nit, y1, y2, P, number, dirname);

templatedesignbound (x, gC, gT, T, degP, r, sdpsolver)

templatedesignout (x, gC, gT, T, degP, r, kappa, sdpsolver)

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updated 4 months ago

De-Speckling SAR (Synthetic Aperture RADAR) Image by Ashish Meshram (Meet)

De-Speckling SAR (Synthetic Aperture RADAR) Image (image processing, nondecimated wavelet ..., savitzkygolay filter)

AddSpecNoise(OI,v)

MetricsMeasurement(Orig_Image,Esti_Image)

bft(OI,A,B,C,level,n,type,thresh)

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updated 7 months ago

fractal Image compression using Quadtree decomposition and huffman coding by Arun Kumar

Quadtree decomposition and Huffman techniques can be applied for achieving high compression ratio (image compression, image processing, quadtree decompositio...)

main.m

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updated 7 months ago

Image denoising using Evolutionary Algorithm by Anupriya Gogna

This code performs Image denoising using Self Organizing Migration Algorithm (SOMA) (image processing, metaheuristicsdenoisi...)

PSNR(A,B)

Run_SOMA(imn,img)

objective(imn,img,th1,th2,th3,th4,wv,lv)

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updated 8 months ago

Gaussian-log-Gaussian modelling of wavelets by Robert Jacobsen

Code related to paper on wavelet modelling. (wavelets, em algorithm)

Fit GLG and GFM models to image

Remove noise from image

Remove noise from image with INLA

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updated 11 months ago

ECG Beat Calculation by Arun Kumar

Calculates ECG beats per minute (ecg signal, dsp, heart)

ecgbeat.m

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updated 1 year ago

DC motor model by KIRAN

a model of dc motor in simulink (dc motor)

Dcmodel

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updated 1 year ago

Brain-Machine Interface (BMI) based on Electroencephalography (EEG) by Eduardo

Real-Time Discrete Wavelet Transform and ANFIS classifier for Brain-Machine Interface based on EEG (signal processing, biomedical engineerin..., brainmachine interfac...)

[Coeffs,L]=wtAnalysis(data,level,wName,Fs,plotv)

adc_interrupt(event)

bmi_three_channels.m

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updated 1 year ago

DWT - SVD robust and secure watermarking scheme by Chez

Watermarking scheme based on DWT and SVD techniques. (watermarking, tamperproofing, steganography)

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updated 1 year ago

demorse by Aaron

Translates morse code in a wav file to text (morse, morse code, audio)

demorse(filename)

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updated 1 year ago

Speckle Noise Reduction in Ultrasound Images by Ashish Meshram (Meet)

This project implements various filters for Speckle Noise Reduction in Ultrasound Images. (image processing, wavelet, butterworth filter)

GetFilePath()

MetricsMeasurement.m

NSRFilters.m

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updated 2 years ago

MATLAB/Simulink for Digital Signal Processing by Won Yang

More MATLAB programs DSP than any books with similar titles to explain things using MATLAB/figures (signal processing, simulation, simulink)

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updated 2 years ago

GPU-accelerated 3D Stationary Wavelet-based Frame by Alp

3D Stationary wavelet-based transform using GPU-accelerated separable convolution (signal processing, image processing)

swt16dec3_GPU(x, level, waveletName)

swt16rec3_GPU(dec_full, level, waveletName)

conv3DGPU.m

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updated 2 years ago

Wavelet Decomposition For Images by Michael Chan

The demo decouples the wavelet operations from the plotting. (wavelet, image processing, multiresolution)

PSNR(A,B)

displayResultantWaveletImages(A, H, V, D, levelOfDecompos...

observeWaveletDecompositionBenchmark_N_levels.m

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updated 2 years ago

A Bayesian Adaptive Basis Algorithm for Single Particle Reconstruction by Alp

3D reconstruction algorithm for electron cryo-microscopy. (image processing)

get_stat_grad_with_ctf(s_wdec,maskR,proj,coord_axes,ctfs)

get_wavelet_grad_with_ctf(s_wdec,maskR,proj,coord_axes,ct...

iswt3(wt,varargin)

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updated 3 years ago

Ant colony optimization for wavelet-based image interpolation by Kanchi

Ant colony optimization for wavelet-based image interpolation (image processing, signal processing, image interpolation)

main

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updated 3 years ago

Image edge detection using variation-adaptive ant colony optimization by Kanchi

A demo program of Image edge detection using variation-adaptive ant colony optimization (image processing, signal processing, edge detection)

main

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updated 3 years ago

SPIHT by Kanchi

SPIHT matlab code (without Arithmatic coding stage) (compression, spiht wavelet image c..., ccsds)

func_DWT(I, level, Lo_D, Hi_D);

func_InvDWT(I_W, S, Lo_R, Hi_R, level);

func_MyDescendant(i, j, type, m)

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updated 3 years ago

PURE-LET for Poisson image denoising by SANDEEP PALAKKAL

This is an implementation of the PURE-LET, recently proposed for Poisson image denoising. (pure, purelet, sure)

cshift2(x,m,n,ud,rl)

cspin_purelet( x, let_id, J, nSpin )

fast_cconv2(x,h,opt)

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updated 3 years ago

Recording audio by Niranjan Singh

Recording audio (recording audio)

recording.m

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updated almost 4 years ago

Color filter array color reproduction using cycle-spinning by Kanchi

Color filter array (CFA) image color reproduction using a wavelet approach. (image interpolation, color filter array, cfa)

CFA_IJEC_2010_main

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updated 4 years ago

Plot wavelet image (2D) decomposition by Benjamin Tremoulheac

A short function for displaying wavelet image decomposition coefficients (image processing, wavelet, multiresolution)

plotwavelet2(C,S,level,wavelet,rv,mode)

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updated almost 5 years ago

Wavelet Approximations Phase-based Optical Flow GUI by Michael Dessauer

GUI implements Gautama's phase-based optical flow with additional parameters to measure velocity (optical flow, wavelet decomposition, target tracking)

WPBOF_GUI.m

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updated almost 5 years ago

Wavelet-based MS coherence estimator by Gleb Tcheslavski

a wavelet-based connectivity metrics (coherence, wavelet)

w_cohere(x,y,fs_o,Dt,t_step,fs_d,w_name,Scale)

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updated almost 6 years ago

Function Approximation by Ugo Pattacini

Encoding allows to represent any L2 function through a set of coefficients in a proper base. (wavelet, jacobi, cubic spline)

[c,y,E,N]=encJacobi(t,ydemo,ETol,Nmax,plotflag)

[c,y,E,yy]=encWavelet(t,ydemo,wavetype,j,plotflag,varargin)

[pp,y,E,I]=encCubspline(t,ydemo,ETol,Imax,plotflag)

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updated 6 years ago

Wavelet Subband coding for speaker recognition by raghu ram

fn extracts wavelet feature vector which could be used for speaker recogniton from speech signal. (speaker recognitions, subband, gui)

f=enframe(x,win,inc)

sbc_2(s,fs)

statusbar.m

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updated 6 years ago

Chinese Matlab Digest: Matlab Technical Bulletin by Hong Zhang

Chinese Matlab Digest is the first matlab digest published in Chinese by www.iLoveMatlab.cn (digest, matlab digest, chinese digest)

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updated 6 years ago

Image Compression using Wavelet by Jebakumari Beulah

This code compress the image using wavelets. Both gray scale and RGB images can be applied and some (compression, wavelet, code)

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updated 6 years ago

Relative Wavelet Energy by Guan Wenye

a program calculates Relative wavelet energy with brief tutorial (time frequency, wavelets, relative wavelet ener...)

[yout]=sum_rela(c,l,N1)

output1=relative_energy1(x,interval,levels)

y=relative_energy(DATA)

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updated 6 years ago

WAVELET BASED IMAGE COMPRESSION AND SUB-BAND CODING by Krishna Mohan chowdary Adusumilli

Wavelets are used both in compression and coding (compression, image compression, subband coding)

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updated almost 7 years ago

Comparing Time Series using Semblance Analysis by Gordon Cooper

This program shows the correlation between two datasets as a function of both time and wavelength. (time frequency, wavelets, crosscorrelation)

s=semblance(t,y1,y2,nscales)

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updated 7 years ago

Calculating Beat rate of heart by DWT by ehsan mirrahimi

Beat rate of an ECG signal (time frequency, wavelets, wavelet)

ECG.m

PhysioNet_ECG_Exporter_2.m

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updated almost 8 years ago

Numerical differentiation based on wavelet transforms by Jianwen Luo

Numerical differentiation based on wavelet transforms (CWT and DWT) (time frequency, wavelets, wavelet)

dudx=derivative_cwt(u,wt_name,wt_scale,dx,trt_flag)

dudx=derivative_dwt(u,wt_name,wt_level,dx,trt_flag)

spline_scale_function(varargin)

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updated almost 8 years ago

Simple Watermarking using Wavelet transform by Abhijith Sreenivasan

Implementing Watermarking using discrete 2-D wavelet transform. (application, watermarking, discrete 2d wavelet t...)

wmark.m

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updated 8 years ago

IMAGE COMPRESSION & RECONSTRUCTION OF IMAGES by BABY VIJILIN

PROGRAM DECOMPOSE IMAGE,COMPRESS IT, RECONSTRUCTION IS PERFORMED. (compression, decomposition, reconstruction)

pqs.m

vi2.m

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updated 8 years ago

Wavelet Based Image Compression implementation using SOFM by Aarathy M

Generating Adaptive Codebook using SOFM. (compression, image compression usi..., thank you)

decvqcorcomp.m

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updated 9 years ago

Image compression using SOFM using Wavelet by Aarathy M

SOFM algorithm is one of the Method for Image compression ... (compression, sofm algorithm implem...)

decvqcorcomp.m

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updated 10 years ago

Image Compression by Luigi Rosa

Demo source code for image compression. (compression, image compression, dct)

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

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updated 11 years ago

Digital Image Watermarking by Vallabha Hampiholi

Describes watermarking techniques. (whitepaper, article, paper)

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