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updated 3 months ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, pattern)

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

[radInterpFilt]=generateRadialFilterLBP(p, r)

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updated 4 months ago

Impulse response acoustic information calculator by Christopher Hummersone

Calculate RT, DRR, Cte, and EDT for impulse response file (audio, signal processing, reverberation)

IR_stats(filename,varargin)

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updated 4 months ago

Flickermeter Simulator by Patrik Jourdan

Power line flickermeter according IEC 61000-4-15 (emc, power, measurement)

example_heater

example_phase_control

example_testbench_120V_60Hz

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updated 4 months ago

Image enhancement using Hybrid Metaheuistic by Anupriya Gogna

Demo for image enhancement using memetic algorithm (image enhancementhybr...)

MEMETIC(image,global_mean,B,C,im_size)

MEMETIC_DE(image,global_mean,B,C,im_size)

mean_n (image)

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updated 4 months ago

De-Speckling SAR (Synthetic Aperture RADAR) Image by Ashish Meshram (Meet)

De-Speckling SAR (Synthetic Aperture RADAR) Image (image processing, nondecimated wavelet ..., savitzkygolay filter)

AddSpecNoise(OI,v)

MetricsMeasurement(Orig_Image,Esti_Image)

bft(OI,A,B,C,level,n,type,thresh)

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updated 4 months ago

xDSLChannel by Moses Mwakyanjala

This toolbox performs xDSL channel and noise simulatons (dsl vdsl channel next..., vswr polezero utp cop...)

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updated 4 months ago

SIMULINK Sigma-Delta Toolbox by Isacco Arnaldi

Model-Based design and simulation of various Sigma-Delta ADCs (adc, dsp, audio processing)

SNRestimation(simout, f)

calculateSNR(hwfft,f,nsig)

ds_hann(n)

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updated 4 months ago

Power Analysis of Class B Power Amplifier with Matlab Implementation by Hristo Zhivomirov

Power analysis of class B power amplifier operating with complex load and random signal. (signal processing, power analysis)

SiPoLoModelComplexLoad.m

SiPoLoModelResistiveLoad.m

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updated 5 months ago

Adaptive DPD Design by Kerry Schutz

A workflow for modeling and simulating PAs and adaptive DPDs. (dpd, digital predistortion...)

fit_memory_poly_model(x, y, lengthVector, memorylen, degr...

DPD_analysis.m

ILA_CONFIGSS

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updated 5 months ago

SerialDataDisplayFront.zip by Deepak

Configurable Serial data processing and display program for interfacing with devices like Arduino (serial, arduino, rs232 plotter)

SerilaDataDisplayFront.m

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updated 5 months ago

chirpPh.m by Jeremy

Chirp (sine sweep) with defined starting phase angle (chirp, sine sweep, sweep)

[s, ph2]=chirpPh(t,f1,f2,ph)

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updated 5 months ago

Model-Based Design for Electrical Automobile Chassis Control by Hitoshi Takeshita

You will be able to understand MBD process with Lego R/C car. (simulation, control design, automotive)

addExtIfNeeded(name)

convertLocalizedPropName(defInfo, val, prefix)

convertLocalizedSheetName(defInfo, val)

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updated 5 months ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 6 months ago

Convolutive BSS by Reju VG

Underdetermined Convolutive Blind Source Separation via Time-Frequency Masking (blind source separati..., signal processing, convolutive bss)

Mask_by_Kmeans_on_theta(theta,Nc)

TF_domain_BSS(mixture,K,ovlp,Nsources,ByKmeans)

U=solve_permutation_by_kmeansCorr_construct_output(MASK,Y...

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updated 6 months ago

Mult&T by Franklin Pineda

Realizations and Control of Multivariable Linear Systems. (control design)

[A B C D T]=hoform(Gt,W)

[A B C D]=lcfform(Gt)

[A B C D]=lmpf2ss(D1,N)

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updated 6 months ago

LiveRecording by Marcus Vollmer

Recording audio signals, live visualisation, spectrogram, save to .wav (recording, audio signal, voice)

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updated 7 months ago

ECC image alignment algorithm (image registration) by Georgios Evangelidis

This is a Matlab implementation of the ECC image alignment (image registration) algorithm. (image alignment, image registration, gradientbased registr...)

ecc(image, template, levels, noi, transform, delta_p_init)

image_jacobian(gx, gy, jac, nop)

spatial_interp(in, warp, str, transform, nx, ny)

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updated 7 months ago

Interpolation of a signal with Matlab Implementation by Hristo Zhivomirov

Interpolation in the time domain via zero-padding in the frequency domain. (signal processing)

interpolate(x, intfact)

example.m

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updated 7 months ago

percentile_level.m by Ernesto

N%-percentile level of a wavefile using F,S or I temporal constants and A, C, Z weighting networks (acoustics, noise measurement, percentile levels)

percentile_level(x,p,tau,w,N,Fs)

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updated 7 months ago

Calibrated Spectral Analysis by Edward Zechmann

Simple Fourier Spectral Analysis of sound pressure time record. (spectral analysis, sound, sound pressure)

ACdsgn(Fs)

ArgStruct=parseArgs(args,ArgStruct,varargin)

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

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updated 7 months ago

MSD Toolbox by Ahmed Shahein

Multi-stage decimation filter design and optimization (fir, fir filter, polyphase)

BubbleSort(x)

CICCompensationFilter(N, R, Fs)

CICFilter(M, N, R, Fs, Data)

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updated 7 months ago

LTE Cell Search (from A/D samples to PBCH MIB decoding) by Xianjun Jiao

Decode TDD/FDD LTE PBCH MIB message from 1.92Msps A/D samples. (lte tdlte sdrsoftware...)

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updated 7 months ago

Communications System Toolbox Support Package for Xilinx FPGA-Based Radio by MathWorks Communications System Toolbox Team

Support package installer file for Xilinx FPGA-Based Radio (signal processing, wireless, communications)

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updated 8 months ago

Sound analysis with Matlab Implementation by Hristo Zhivomirov

Time and frequency analysis, measurement of the crest factor, the dynamic range, etc. (signal processing, sound analisys, not a function)

Sound_Analysis.m

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updated 9 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 9 months ago

Matlab Audio Analysis Library by Theodoros Giannakopoulos

Companion material for the book "Introduction to Audio Analysis, A MATLAB approach" (audio analysis, signal processing, audio classification)

...

...

...

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updated 9 months ago

Points and Tangents by Marcelo Cicconet

Returns a list of pixels with tangents and corresponding magnitudes. (morlet, wavelet, edges)

ang(cx,sx)

coefficientslist(I,nangs,stretch,scale,hopsize,halfwindow...

coefficientsmatrix(I,nangs,stretch,scale,hopsize,halfwind...

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updated 9 months ago

AD9361 Filter Design Wizard by Di Pu

FIR Filter Design Wizard for the AD9361 RF Agile Transceiver from Analog Devices Inc. (filter design, rf, rf transceiver)

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updated 10 months ago

melfilter by Pierce Brady

generates a mel filter bank for a given frequency vector (mfcc, mel frequency, mel filter bank)

melfilter(N,FrequencyVector,hWindow)

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updated 10 months ago

Inverse Short-Time Fourier Transformation (ISTFT) with Matlab Implementation by Hristo Zhivomirov

Time-Frequency resynthesis via Inverse Short-Time Fourier Transformation (ISTFT) (signal processing)

istft(stft, h, nfft, fs)

stft(x, wlen, h, nfft, fs)

Resynthesis.m

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updated 10 months ago

Signal Processing with MATLAB Webinar by Kirthi Devleker

Contains code Snippets used in the Webinar (signal processing)

delayCompensationPlot( tn,xn,xfilter, xfiltfilt)

plotEKGPSD(varargin)

plotSig( num, sigData, titleString )

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updated 10 months ago

Time-Frequency Analysis of Non-Stationary Signals with Matlab Implementation by Hristo Zhivomirov

Time-frequency analysis of non-stationary signals in time, frequency and time-frequency domain (signal processing, spectral analysis)

spectrum(x, fs, varargin)

stft(x, wlen, h, nfft, fs)

Time_Frequency_Analysis.m

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updated 10 months ago

rtl-sdr: multi-dongles based flexible spectrum scanner by Xianjun Jiao

Multi-dongles scanner with configurable parameters: start-end frequency, RBW, num of dongles, etc. (rtlsdr, software defined radi..., spectrum scanner)

raw2iq(a)

set_freq_tcp(tcp_obj, freq)

set_gain_tcp(tcp_obj, gain)

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updated 10 months ago

rtl-sdr: multi-dongles based GSM FCCH scanner by Xianjun Jiao

Multi-dongles parallel GSM FCCH scanner to help you find GSM broadcasting carrier quickly! (rtlsdr, rtl_tcp, gsm)

FCCH_coarse_position(s, decimation_ratio)

move_fft_snr_runtime_avg(s, mv_len, fft_len, th)

raw2iq(a)

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updated 11 months ago

Image Denoising based on Non Local-means Filter and its Method Noise Thresholding by Shreyamsha Kumar B. K.

Image details that are removed by NL-means filter is added back after wavelet thresholding (non localmeans filter, bilateral filter, method noise)

[g_all, vv_all]=vifsub_est_M(org,dist, subbands, M);

[ssarr, l_arr, cu_arr]=refparams_vecgsm(org,subands,M)

bayesthf(y,noise_var)

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updated 11 months ago

Short-Time Fourier Transformation (STFT) with Matlab Implementation by Hristo Zhivomirov

Time-Frequency analysis via Short-Time Fourier Transformation (STFT) (signal processing, spectral analysis)

stft(x, wlen, h, nfft, fs)

example.m

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updated 11 months ago

DSP System Toolbox Support Package for ARM Cortex-M Processors by MathWorks DSP System Toolbox Team

Support package install file that works with the ARM Cortex-M CMSIS Library (arm, microcontroller, embedded programming)

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updated 11 months ago

Short-time Energy and Zero Crossing Rate by Nabin S Sharma

Compute the short time energy (STE) and short-time zero crossing rate (STZCR) of a signal. (signal processing, speech processing, shorttime energy)

energy(x,wintype,winamp,winlen)

sgn(x)

winconv(x,varargin)

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updated 11 months ago

choose 2 fwav file from database by su

I only want to choose 2 wav file from path out of 10 wav file. (dsp, audio processing, signal processing)

out=load_database();

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updated 11 months ago

beam pattern by Partha Pratim Basumallick

analyses the pattern of a beam (image processing)

beampattern.m

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updated 12 months ago

Trainable COSFIRE filters for keypoint detection and pattern recognition by George Azzopardi

A COSFIRE filter detects features or patterns of interest, e.g. traffic signs in complex scenes. (cosfire, keypoint, feature)

COSFIRE_Application(example)

Gabor(img, lambda, aspectratio, bandwidth, orientation, s...

Parameters(type)

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updated 1 year ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter(...

DetailBilateralFilter(inputImage,adaptiveRegion,...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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updated 1 year ago

Continuous Sound and Vibration Analysis by Edward Zechmann

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

ACdsgn(Fs)

ArgStruct=parseArgs(args,ArgStruct,varargin)

D=Data

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updated 1 year ago

MatLab Solutions: "Introduction to Digital Signal Processing: A Computer Laboratory Textbook". by Ilias Konsoulas

These files are the MatLab solutions of exercises contained in the above DSP lab textbook. (dsp, digital signal proces..., discrete fourier tran...)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,y)

conv_DHT2(x,h)

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updated 1 year ago

Fast Filter Bank Design (ffbd) by Iman

This function can be used to design uniform and non-uniform filter banks. (filter bank design, uniform filter bank, nonuniform filter ban...)

A=A_gerenator_vector_input(x_column_vector,Beta,Sigma_dic...

Beta=Beta_dictionary(M,nk)

M=Find_LCM(x)

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updated 1 year ago

Image fusion based on pixel significance using cross bilateral filter by Shreyamsha Kumar B. K.

Fuses multifoucs and multispectral images by weighted average using the weights computed from CBF. (image fusion, pixel significance, multifocus)

[QABF,LABF,NABF,NABF1]=objective_fusion_perform_fn(xrcw,x)

[gv gh]=sobel_fn(x)

[hist_out]=imhist_fn(x)

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updated 1 year ago

Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (dsp, circuit, rf)

[Out1,Out2]=qsynth(Action,In1,In2)

analyze_BPF(Lval,Cval,Z0)

curveintersect.m

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updated 1 year ago

Harmonic Wavelet based ISAR Imaging by Shreyamsha Kumar B. K.

ISAR Imaging using Harmonic Wavelets (inverse synthetic ape..., crossrange resolution, range resolution)

hammwin(N)

hammwin(N)

p=plots(x,y,z,img)

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updated 1 year ago

ECG Signal compression by Ashish Meshram (Meet)

Implementation of ECG signal compression using Amplitude Thresholding compression (ecg signal, signal processing, savitzkygolay filteri...)

atc.m

testatc.m

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updated 1 year ago

Gabor filtering on an image by Deepak Kumar Rout

Application of gabor filter on image (gabor filter, image processing, image)

gb=gabor_fn(sigma,theta,lambda,psi,gamma)

gabor_program.m

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