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updated 11 months ago

Content Based Image Retrieval by Chez

Simple content based image retrieval for demonstration purposes. Either using knn or classification (image retrieval, content based image r..., classification)

L1(numOfReturnedImages, queryImageFeatureVector, dataset)

L2(numOfReturnedImages, queryImageFeatureVector, dataset,...

[obj, overall]=confMatPlot(confMat, opt)

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updated 1 year ago

Face Recognition Software by Omid Sakhi

Face recognition software using Hidden Markov Models (HMM) and SVD features for education and study. (face recognition soft..., face recognition code, svm)

facerec(filename,myDatabase,minmax)

gendata()

getcam()

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updated 4 months ago

Real Time Microphone and Camera data acquisition and audio-video processing by Theodoros Giannakopoulos

This Matlab-code is a demo for real-time audio and image processing. (audio processing, video processing, camera)

realTimeMic(duration, nBlocks, useVideo)

zcr(signal,windowLength, step, fs);

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updated 10 months ago

Morphological Shared-Weight Neural Network for Face Recognition by Ethan Png

MSNN has the ability to learn feature extraction and perform classification at the same time. (image analysis, msnn face recognition...)

...

[W,Z,O,E]=msnn1(t,xcell,noHidCells,lrate,epoch)

[WX,ZX,O,E]=msnn2(t,xcell,noHidCells,lrate,epoch)

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updated 2 years ago

MOTION DETECTION IN LIVE VIDEO STREAM by vishal rana

live data is acquired and analyzed to calculate any motion and latest image is storded. (motion, detection, survillence system)

MOTION(varargin)

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updated 2 years ago

Equalizer, audioplayer, GUI by Maxim Vedenyov

Possible to change equalizer during playing (equalizer, eq, dsp)

[b a]=get_high_shelving_filter(g,Q,f,Fs)

[b a]=get_low_shelving_filter(g,Q,f,Fs)

[b a]=get_peak_filter(g,Q,f,Fs)

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updated 8 years ago

Sound Level Meter by Douglas Lanman

Implements real-time spectrum analyzer and displays decibel level. (spectral analysis, sound level meter, decibel meter)

SLM

analyzeSignal(x,Fs)

estimateLevel(x,Fs,C)

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updated 8 years ago

Speech Analysis using LPC by Tan Chin Luh

A GUI for Speech Analysis using LPC (audio processing, video processing, lpc)

simplelpcgui(varargin)

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updated 4 years ago

Test and Measurement Seminar Demos by Michelle Hirsch

Source code for Test and Measurement Seminar Demos, including electronic throttle body case study. (example, application, data acquisition)

ConfigureTrigger(ai,TriggerDelay,TriggerRange,TriggerCond...

CreateAI(filename,vendor,boardid,channels);

CreateDIO(vendor,boardid,channels);

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updated 2 years ago

Waveform Generator GUI 2 by Maxim Vedenyov

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (awg, waveform, dsp)

[a b]=calulate_harmonics(nh,T,x,y,cs,sn)

add_to_buffer(src,eventdata,Fs,ao,po,pso,ic)

open_device(po,Fs,ic,nblocks,margin)

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updated 10 months 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 2 years ago

American Sign Language Detection using PCA and LDA by Neeraj

Provides scripts for testing the two algorithms as well as testing real time input. (american sign languag..., pca, lda)

ASLfisher(ImgMat,V_PCA,nRows,nColumns,omega,Class_number,...

ASLsvm(cAlpha,nTrainingSamples,InImWeight,omega)

ASlknn(cAlpha,nTrainingSamples,InImWeight,omega)

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updated 5 years ago

GUI FOR CONTROLLING ROBOT by Ketan Chhaniyara

This file contains the matlab code needed for building a GUI for controlling the robot through a PC. (gui, conrol panel, robo)

robo_ctrl_panel(varargin)

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updated 7 years ago

DAFX Toolbox by Dominik Wegmann

Advanced visualization and basic effect processing of recorded, generated or loaded audio data (audio processing, video processing, audio effects)

ERBFilterBank(x, fcoefs)

ERBSpecdata(Fig,dat,fs,left,bottom,width,height,undock)

InitPeakEQ(stAlgo)

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updated 5 years ago

Intruder Detection and Recording by David Leffingwell

Intruder detection and recording with live video and audio display. (example, application, motion sound detectio...)

intruderdetection(logName, secondsToRecord, silentAlarm)

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updated 4 years ago

Real time octave analysis by Michelle Hirsch

FFT and 3rd octave display of an incoming analog input signal. (example, application, daq)

demoai_acoustic(varargin)

oct3bank(x);

oct3dsgn(Fc,Fs,N);

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updated 3 years ago

Realtime audio input by Trevor Agus

Realtime audio input, flexible and glitch-free. (realtime, audio, signal processing)

samples=tgrabaudio(N, varargin)

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updated 4 years ago

Sonar Demo by Robert Bemis

Sonic distance measurement using Windows sound card for data acquisition. (example, application, daq)

sonar_anal(fig)

tof(varargin)

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updated 1 year ago

Data Acquisition Toolbox Support Package for Digilent Analog Discovery hardware (R2012a / R2012b) by MathWorks Data Acquisition Toolbox Team

Analog Input/Output (foreground clocked/non-clocked) support for Digilent Analog Discovery. (daq, voltage, analog discovery)

daq.di.setup.daq_digilent_waveforms_installer(downloadDir...

daq.di.setup.daq_digilent_waveforms_uninstaller

daq.di.utility.throwOrWarnOnStatus( digilentStatusCode )

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updated 4 years ago

EQUALIZER by Jiro Doke

Equalizer GUI for winsound (audio processing, video processing, analog input)

equalizer

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updated 11 years ago

3D Waterfall Plot Demo by Daniel S. Lee

Acquires data from a sound card and displays live FFT and waterfall plots. (example, application, data acquisition tool...)

daqwaterfall(varargin)

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updated 2 years ago

Live audio stream analyser and voice coach by Steve Lawrence

A program that uses 'analoginput' to create a live audio stream, which is analyzed in real-time. (singing, coach, signal processing)

liveon.m

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updated almost 3 years ago

MATLAB Support Package for Vernier SensorDAQ by MathWorks Classroom Resources Team

MATLAB library for reading Vernier sensors using SensorDAQ hardware (support package, vernier, sensordaq)

sdaq.addAnalogInput( sessionobj, channel, devicename, type )

sdaq.addAnalogOutput( sessionobj, devicename )

sdaq.addCounter( sessionobj, devicename, type )

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updated 4 months ago

TDMS DAQmx Raw data reader by Tao Lan

TDMS DAQmx Raw data reader with pure matlab script (tdms, pxie6368, daqmx)

tdmsinfo.m

tdmsreader(tdmsfilename, channel, datalen)

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updated 3 years ago

speech oscilloscope by Maxim Vedenyov

Synchronized continuous display of waveform of your speech from microphone. (speech, oscilloscope, microphose)

hpcb

lpcb

pau

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updated 4 years ago

Data Acquisition Start/Stop Button by Michelle Hirsch

Adds a stop/start button to a data acquisition applications. (example, application, daq)

daqstopbutton(fig,obj,varargin);

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updated 9 months ago

Generation of Audio Test Signals with Matlab Implementation by Hristo Zhivomirov

Generation of sine wave, square wave, chirp, sinc, white and pink noise via sound card. (measurement, signal processing, physics)

AOChirpRepeate(f1, f2, Fs, endtime, r, p)

AOPinkNoiseRepeate(Fs, endtime, r, p)

AOSincFullRepeate(f0, Fs, endtime, r, p)

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updated 4 years ago

Acoustic Tracker (Updated) by Michelle Hirsch

Demonstrate using the Data Acquisition Toolbox to build an application. (example, application, acoustic)

configurewhereisit(fo)

decaycurvefit(x,y1,y2)

makeasound(varargin)

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updated 2 years ago

DAQ Recoder by duk

This program developed to record AI signals like EEG or EMG. Almost NI Card was supported. (ni card, usb, ai)

DAQ_Recoder(varargin)

daq2mat(fname)

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updated 1 year ago

Pre-trigger Data Capture and Custom Triggering by Isaac Noh

An example of pre-trigger data capture and custom triggering using the session-based interface. (data acquisition, daq, acquisition)

sw_pretrigger_session

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updated 5 years ago

DaqControl - Data Acquisition Session with MCC DAQ card by Shmuel Ben-Ezra

User-friendly interface helps you perform basic operations with a data acquisition card. (data import, gui, measurement)

DaqControl(varargin)

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updated 2 years ago

vibrating string simulator by Maxim Vedenyov

Possible to set inital position, velocity, friction. (vibrating string, simulator, realtime)

a=to_limits_2(a,L1,L2)

add_to_buffer(src,eventdata,Fs,ao,pso)

audio_only(handles)

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updated almost 2 years ago

SCOPE: interactively tabulate SEER excel variables by Rex Cheung

This takes SEER excel column data interactively, tabulate them, write back in table format. (data import, data export, optimization)

output=xls2tabulate2xls(xlsfilename)

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updated 1 year ago

Wave Player Visualizations (Geek) by Suraj Kamya

Kviz_playerV1 is Kamya Visualization music player Version 1 have a number of Geek Visz (3D-also) (music player, visualization, sound processing)

Kviz_Player_V1(varargin)

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updated 8 years ago

Using Counter of NI DAQ card to generate a pulse train by Frank Muehlbauer

This file will generate a pulse train using the counter/timer of your NI DAQ PCI-6023E card (example, application, pci6023e counter time...)

loadNIcns(filename);

newdllpulse.m

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updated 2 years ago

Demonstration of Fourier transformation by aasim Azooz

The first file construct signals from Fourier terms The second file analyzes actual signals (demo, mathematics, signal processing)

[ff,cc]=fourier2(SR,T)

fourier1(Wave_Form,No_of_Terms)

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updated 4 years ago

Single shot NI-USB6008 DAQ by Kumar Mallikarjunan

Single shot NI-USB6008 Data Acquisition (niusb6008, pressure measurement, single shot daq)

find_ni_usb_6008

single_shot_acquisition

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updated 3 years ago

self-made stroboscope with microphone by Maxim Vedenyov

GUI for the stoboscope. FFT spectrum, detect frequency, generate drive signal. (stroboscope, selfmade, string)

add_to_buffer

piece_processing

stroboscope(varargin)

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updated 12 years ago

Spectrum Analysis by Dan Onu

Spectrum analysis in a waterfall display (example, application, tektronix spectrum)

TDSSpecDemo(varargin)

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updated almost 12 years ago

SoundRecorder Demo by Ahmed Abdalla

An example of a Test & Measurement related GUI using GUIDE and the Data Acquisition Toolbox. (example, application, data acquisition test...)

SoundRecorderDemo(varargin)

c=im2cdata(varargin)

daq2axis(varargin)

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updated 3 months ago

NI ELVIS II Power Supply, Function Generator, Digital Multimeter Support by MathWorks Classroom Resources Team

MATLAB library that extends support for communicating with a NI ELVIS II prototyping platform (support package, elvis, ni)

elvis.Multimeter(type,devicename)

elvis.private.[methodinfo,structs,enuminfo,ThunkLibName]=...

elvis.setup

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updated 2 years ago

shape analysis of oscillations by Matthias Funk

Analysis the of shape of sinusoidal osczillations by interpreting the peaks in the Fourier spectrum. (fourier analysis, signal processing, data analysis)

fft_fit_GUI.m

main_window.m

mygauss(x,xdata)

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updated 5 years ago

parallel port counter by mohammad

this is an 8 bit counter using the standard parallel port (parallel port)

counter(vstart,vfinal,ton)

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updated 2 years ago

Read a National Instruments USB-TC01 single channel Thermometer in MATLAB by Rob Purser

Read a National Instruments USB-TC01 single channel thermometer from MATLABĀ® (data acquisition, hardware)

TC01

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updated 2 years ago

A tiny project codes by Ashfaq Salehin

I've developed a tiny project mainly using IPT toolbox. I'm providing it for othhers reference (image processing, template matching, pattern matching)

base

clear_parallel

f=getsnap1

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updated 4 years ago

CircuitTool (a Test and Measurement Demo) by Michelle Hirsch

A demonstration test and measurement application with system identification. (example, application, circuit tool)

circuit_computecutoff(F,Txym)

circuit_idsp(output,input,Ts);

circuit_tool(varargin)

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updated 8 years ago

PWM Signal from SoundCard by Michael Wunder

Create a pwm signal using a standard soundcard. (example, application, pwm soundcard positio...)

PWMSound(Tp,Tcycle)

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updated 5 years ago

Viterbi Trellis Generator by Andrew Muehlfeld

Creates the trellis struct needed by convenc & vitdec, for use with viterbi encoding and decoding. (convolutional encoder, viterbi decoder, toolbox)

viterbi_trellis_generator(constraint_length, g1_taps, g2_...

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updated almost 5 years ago

Multi sounds recorder by berenger

Very basic application to record sounds from microphone and split sounds using the silence (gui, signal processing, sound)

testgui(varargin)

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updated almost 3 years ago

Laboratory froth flotation machine automation GUI by Ivan Brezani

This program was designed to work as a controller for upgraded DV-2 laboratory flotation machine. (froth flotation, automation, controller)

config(varargin)

dlmcell(file,cell_array,varargin)

main.m

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