detect the Peak or valley in a 1 D signal by pang jianfei

%To detect the Peak or valley in a 1 D signal；with some parameter for select (signal processingpeak..., peak, valley)

ind=Peak_Valley(y,T,d,p_v)

Fast 2D peak finder by natan

Find local maxima \ peak position in noisy 2D array (peakfind, peak, local maxima)

cent=FastPeakFind(d, threshold, filt ,edg, fid)

Acceleration peak finder by Rob

This function finds the peaks between sign changes (acceleration peak, signal processing, peak finder)

peakydo(arr )

Continuous Sound and Vibration Analysis by Edward Zechmann

This program analyzes sound and vibrations data using metrics for continuous noise and vibrations. (sound, noise, whole body)

ACdsgn(Fs)

ArgStruct=parseArgs(args,ArgStruct,varargin)

[ ha_chan2, ha_axes2, ha_accels2, num_ha_accels2]=config_ha...

1D Non-derivative Peak Finder by Tristan Ursell

Up-sample and filter noisy data to find peaks without using derivatives. (extrema, min, local)

varargout =peakfind(x_data,y_data,varargin)

PeakSeek by Peter O'Connor

Find peaks in vector (findpeaks, local maximum, peak)

[locs pks]=peakseek(x,minpeakdist,minpeakh)

Sub-Sample Peak Fitting 2D by Eric

Find sub-sample location of global maximum in a 2-dimensional numerical matrix. (approximation, fit, peak)

peakfit2d(Z)

Baseline Fit by Mirko Hrovat

A baseline fit is interpolated from selected points and then applied to the data. (baseline, analysis, peak)

bf(y,varargin)

Fast peak locator by George Zipfel

Finds peaks in 1D array (array, peak, peak locator)

peakloc=zipeaks(y)

findextrema by Siyi Deng

find indices of local extrema (minina, maxima) and zero-crossings. (peak, maxima, indexing)

findextrema(x)

Auto Peak Finder & Analyser by Martin Gorjan

Finds peaks, locations, fwhms and area in signal. (maximum detection and..., fwhm, peak)

autopeak(x,y)

PSNR by John T. McCarthy

This function displays the PSNR (peak signal-to-noise ratio) between two images. (image processing, psnr, peak)

PSNR(A,B)

extrema.m, extrema2.m by Carlos Adrian Vargas Aguilera

Search all extrema points of a time series or a surface with/without NaN's. (extrema points, peaks, matrices)

extrema(x)

extrema2(xy,varargin)

peaks by Nagi Hatoum

Find the peaks and troughs in a vector. (peak, through, maximum)

[p,t]=peaks(s)

wpsnr by Hunnish Xn

Weighted peak signal to noise ratio. (measurements, psnr weighted, weight)

WPSNR(A,B,varargin)

wpsnr by Ruizhen Liu

Computes WPSNR between two images. (function, measurements, weighted)

WPSNR(A,B,varargin)