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updated 17 days ago

MIT-LCP/wfdb-app-toolbox by Ikaro Silva

A collection of MATLAB/Octave functions for reading and processing physiological time series. (ecg, ekg, eeg)

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updated 1 year ago

eegplot by Ikaro Silva

Uses scattered data points to interpolate pixel values of a head image. (medical, eeg, interpolation)

[z,map]=eegplot(mag,ch,unorm,ch_disp,method,color_res)

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updated 4 years ago

Multi Channel Physiological Signal Estimation (PhysioNet 2010 Challenge entry) by Ikaro Silva

Algorithm using GALL and Kalman filters for channel estimation. (multi channel, adaptive, estimation)

[sig,varargout]=mcaf(x,varargin)

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updated 4 years ago

Weighted Non-stationary Averaging by Ikaro Silva

Dynamically performs weighted averaging and SNR estimation under a non-stationary noise. (snr, nonstationary, noise)

[atrials,average]=wnsfmp(tmp,init,param,mode)

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updated 4 years ago

Biosignal Toolbox by Ikaro Silva

Small collection of functions that I developed for processing and analysis of biological signals. (biological signals, toolbox)

[atrials,average]=wnsfmp(tmp,init,param,mode)

[b,a]=notch(fn,fs,r)

[b,a]=reson(fn,fs,K,mthd)

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updated 4 years ago

Harmonic Reconstruction by Ikaro Silva

Reconstruction of a signal through its estimated harmonic components. (harmonics, fundamental, periodic)

[varargout]=harmonic_est(x,varargin)

[varargout]=harmonic_recon(varargin)

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updated 4 years ago

Fundamental Frequency Tracking through Comb (Notch) IIR Filtering by Ikaro Silva

Implements the algorithm described in IEEE Signal Processing Magazine (11/2009) by Tan and Jiang. (frequency tracking, harmonics, lms)

[varargout]=harmonic_est(x,varargin)

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updated 5 years ago

Woody Average (Average with alignment) by Ikaro Silva

Computes the Woody average of a signal by aligning measure waveforms (dsp, jitter average woody ...)

[out]=woody(x,varargin)

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updated 6 years ago

Survival 2 by Ikaro Silva

Modified version of Survival 1 that allows preys to move around and simulate rought swarm behavior. (games, game, survival)

survival(action)

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updated 6 years ago

Articulation Index by Ikaro Silva

Estimates the articulation index (speech intelligibility) (audio processing, video processing, articulation)

[AI,W,f]=artind(V,R,Be,type)

example1.m

example2.m

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updated 6 years ago

backup by Ikaro Silva

Simple wrapper to XCOPY function for backing up folders. Changes the file archive attributes and ca (path, directories, files)

backup(or_dir,varargin)

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updated 6 years ago

Gradient Adaptive Laguerre Lattice Filter by Ikaro Silva

Single pole order recursive gradient adaptive lattice filter (filter design, filter analysis, laguerre lattice grad...)

[err,y,h,k]=gall(x,d,M,beta,alpha,epsi,k0,h0)

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updated 9 years ago

Survival by Ikaro Silva

Simple simulation of a prey predator system. (games, ecosytem, game)

survival(action)

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updated almost 13 years ago

LABELNET by Ikaro Silva

Plots neurons and inputs of a self-organizing network on a 2D weight map. (fuzzy logic, neural networks, cluster graph plot ad...)

labelnet(net,varargin)

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updated 13 years ago

GUI for Simulink Properties by Ikaro Silva

GUI that allows you to browse through the parameters of your Simulink model. (simulink, interface, get_param)

simprop(varargin)

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updated 13 years ago

FIND_COLOR by Ikaro Silva

Selects a specific color in the input image (color, find colors select)

[image,index]=find_color(image,map,tr,colors)

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