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updated 7 days 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 3 months ago

ECG Q R S wave online detector by Hooman Sedghamiz

Detects the Q, R and S wave and calculates the heart rate, determines two types of arythmia (ecg, biosignal processing, qrs detection)

[R_i,R_amp,S_i,S_amp,T_i,T_amp,Q_i,Q_amp,heart_rate,buffe...

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updated 6 months ago

iPeak: Interactive Peak Detector (Version 6) by Tom O'Haver

Keypress operated interactive peak detector function. (analytical chemistry, chemistry, instrumental analysis)

FPB=findpeaksb3(x,y,SlopeThreshold,AmpThreshold,smoothwid...

P=findpeaks(x,y,SlopeThreshold,AmpThreshold,smoothwidth,p...

P=findpeaksE(x,y,SlopeThreshold,AmpThreshold,smoothwidth,...

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updated 1 year ago

Peak finding and measurement by Tom O'Haver

Function to locate and measure the positive peaks and valleys in noisy data sets. (chemistry, physics, peak detection)

P=findpeaks(x,y,SlopeThreshold,AmpThreshold,smoothwidth,p...

P=findpeaksGSS(x,y,SlopeThreshold,AmpThreshold,smoothwidt...

P=findpeaksL(x,y,SlopeThreshold,AmpThreshold,smoothwidth,...

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updated 1 year ago

Persistence1D by Yeara Kozlov

Persistence1D is a class for finding local extrema and their persistence in one-dimensional data. (data analysis, signal processing, physics)

filter_features_by_persistence(min, max, persistence, thr...

plot_data_with_features (data, indices)

visualize_features( datafilename, resfilename )

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updated 2 years ago

Demo functions for peak detection and fitting. by Tom O'Haver

A collection of self-contained demonstration functions for iPeak.m and peakfit.m. (signal processing, peak detection)

DemoPeakfitBootstrap

PeakFitDemo11Lor

idemo

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updated 2 years ago

peakperformance by Peter O'Connor

Find local peaks in a signal (findpeaks, peak detection, local maxima)

[locs pks]=peakperformance(x,cfg)

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updated 10 years ago

Local min, max, nearest neighbour by Sergei Koptenko

Find local minima, maxima, match value in vector. (peak detection, local min, max)

[lmval,indd]=lmax(xx,filt)

[lmval,indd]=lmax_pw(xx, dx)

[lmval,indd]=lmin(xx,filt)

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updated 13 years ago

peakdetect.m by Tom McMurray

Generates and graphically displays the positive and negative polarity peak index vectors of input. (dsp, peak detection, detect)

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