demorse by Aaron

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

demorse(filename)

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()

Preprocess(I)

dftuv(M, N)

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)

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

Wavelet Decomposition For Images by Michael Chan

The demo decouples the wavelet operations from the plotting. (denoising, transform, compression)

PSNR(A,B)

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

observeWaveletDecompositionBenchmark_N_levels.m

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,ctfs...

iswt3(wt,varargin)

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

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

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

main

SPIHT by Kanchi

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

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)

Recording audio by Niranjan Singh

Recording audio (recording audio)

recording.m

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

Plot wavelet image (2D) decomposition by Benjamin Tremoulheac

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

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

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

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)

ECG Beat Calculation by Arun Kumar

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

ecgbeat.m

Function Approximation by Ugo Pattacini

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

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, wavelet, gui)

f=enframe(x,win,inc)

f=statusbar(p,f)

sbc_2(s,fs)

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)

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 (code, compress, compression)

wavecompression.m

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)

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)

CODE.m

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 series, crosscorrelation, wavelets)

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

Calculating Beat rate of heart by DWT by ehsan mirrahimi

Beat rate of an ECG signal (beat rate, time frequency, daubechies)

ECG.m

PhysioNet_ECG_Exporter_2.m

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)

Simple Watermarking using Wavelet transform by Abhijith Sreenivasan

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

wmark.m

IMAGE COMPRESSION & RECONSTRUCTION OF IMAGES by BABY VIJILIN

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

PQS=pqs(A,B,blok)

vi2.m

Wavelet Based Image Compression implementation using SOFM by Aarathy M

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

decvqcorcomp.m

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

Image Compression by Luigi Rosa

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

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

Digital Image Watermarking by Vallabha Hampiholi

Describes watermarking techniques. (watermarking, image processing, article)