Light Field Toolbox v0.1 by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (light field, plenoptic, lytro)

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Calculation of CT MTF and NPS using the ACR accreditation phantom by Saul

This code enables measurements of CT MTF and NPS from images of an ACR accreditation phantom. (computed tomography, ct, modulation transfer f...)

SliceBrowser(varargin)

mtfcalc.m

npscalc.m

K means clustering for Image Compression by Vinay Kumar Tadepalli

K-means clustering is a popular vector quantization method for data compression. (image processing, demo, mathematics)

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

Covert polynomial roots to coefficients by Oren

Converts a list of a polynomials roots to the polynomials coefficients, using FFT. (signal processing, mathematics)

Roots2Coeff(R)

R2C_demo.m

Block Convolution using Overlap Save Method by Sourangsu Banerji

Performs block convolution using the Overlap Save Method. (signal processing, communications)

OSM.m

Block Convolution using Overlap Add Method by Sourangsu Banerji

Performs block convolution using the Overlap Add Method. (signal processing, communications)

OAM.m

Polynomial roots to coefficients by Oren

Converts a list of a polynomials roots to the polynomials coefficients (mathematics, signal processing)

Roots2Coeff(R)

R2C_demo.m

IEF, Image enhancement factor by Suraj Kamya

Image enhancement factor (ief, image enhancement fac..., image processing)

[out]=IEF(orgimg,nimg,dimg)

BER, Bit error rate by Suraj Kamya

Bit Error Rate (ber, bit error rate, quality measure)

[out]=Biter(orgsig,exsig)

TAF,Tamper Assessment Function by Suraj Kamya

Tamper Assessment Function (taf, tamper assessment fun..., quality measure)

[T]=TAF(w,wex)

quadratic equation interpolation by Sherif Omran

assume you have a quadratic equation y=ax^2+bx+c.This script determines a, b , c (s, mathematics, measurement)

[a,b,c]=Quadratic(x,y)

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)

FeatureFinder 2.4.1 by Feature Finder

A user-friendly tool for signal filtering and feature extraction. Well-suited to large data sets! (gui, data import, data export)

Comm_Alert(sMessage)

Comm_Exit()

Comm_Help(sTitle,sMessage)

Time-frequency coherency by Tjeerd

Computes the complex-valued time-frequency coherency between two signal vectors (signal processing, timefrequency analysi..., coherence)

tfcohf(x,y,nfft,spec_win,sm_win,tstep,fs)

tfcohf2(x,y,nfft,spec_win,tstep,fs)

tfcohf3(x,y,nfft,spec_win,sm_win1, sm_win2,tstep,fs)

Overlap Save Method using Circular Convolution Technique by Sourangsu Banerji

Performs convolution using the Overlap Save Method with the Circular convolution. (communications, signal processing)

y=mycirconv1(x,h)

Overlap_Save_Method.m

Analog Modulation Technique:FM by Sourangsu Banerji

Plots the waveform of FM modulated signal. (communications, signal processing)

FM_Modulation_Technique.m

Overlap Add Method using Circular Convolution Technique by Sourangsu Banerji

Performs convolution using the Overlap Add Method with the Circular convolution. (communications, signal processing)

y=mycirconv(x,h)

Overlap_Add_Method.m

Understanding DELTA and ADAPTIVE DELTA MODULATIONS by Hélio de Oliveira

A graphical interface to understand the functioning of delta modulation. (signal processing, communications)

modula_delta.m

face by NIT

by this code we can use face recognition concept (signal processing)

86bd78ab6679.m

Analog Modulation Technique:DSB-SC by Sourangsu Banerji

Calculates & Plots the Waveform for the DSB-SC Modulated Signal. (signal processing, communications)

DSB_SC_Modulation_Technique.m

Sound file converter GUI by Christopher

The program converts MATLAB supported soundfiles with the use of GUI. (converter, gui, audioread)

ConverterPanel(varargin)

Performance Analysis of Z-source Inverter Fed Induction Motor Drive by Amit Tiwari

THIS MODEL IS EQUIPPED WITH CONSTANT BOOST CONTROL USING THIRD HARMONIC INJECTION. (communications, gui, control design)

ZINV1

Digital Carrier Modulation by Arnav Goel

This submission contains basics of digital carrier modulation in any basic communication system usin (signal processing, mathematics)

Digital_modulations.m

Legendre wavelets by Hélio de Oliveira

installing Legendre wavelets in the MATLAB wavelet toolbox. (wavelet toolbox, signal processing, image processing)

legdinfo

legdwavf(wname)

MATLAB Quiz by Khuhed

MATLAB Quiz (100 Questions) (control design, image processing, signal processing)

MATLAB Quiz

Lloyd max quantizer,plots,mse by Kushagra Singhal

Lloyd max quantizer,plots,mse (lloyd max quantizer, loyd max, mse)

cent( mint,mfin,sig,k,levels )

mew( min,max )

LMAX.m

Filter - smooth (calculating the moving average along a vector) by Adrian Lara-Quintanilla

This function calculates the moving average along that vector. It can be used to smooth a series. (smooth, filter, timeseries)

moving_average.m

arithmetic filters by Viswanath

it deals in the arithmetic filters in image processing (arithmetic, image processing, signal processing)

arithmeticop.m

BER of M-QAM over Rayleigh channel by Sourav Mondal

This program gives simulated results of BER over Rayleigh fading channel. (communications, data import, data export)

QAM_rayleigh(M, EbNodB)

qam_run.m

Embedded Coder Support Package for Xilinx Zynq-7000 Platform by MathWorks Embedded Coder Team

Embedded Coder Support Package installer file that works with Support package installer (zynq, automotive, motor control)

3D Trapezoidal Rule by Mohammed Sadeq Al-Rawi

This program can be used to find any triple integral, even if one has some empirical data. (mathematics, simulation, image processing)

trapezoidal_rule_triple_integral(x, y, z, mat)

2D trapezoidal rule by Mohammed Sadeq Al-Rawi

Calculates a double integral using trapezoidal rule. (optimization, double integral, signal processing)

trapezoidal_rule_double_integral(x, y, mat)

HDL Coder Support Package for Xilinx Zynq-7000 Platform by MathWorks HDL Coder Team

HDL Coder Support Package installer file that works with Support package installer (zynq, hwsw codesign, motor control)

Traffic Warning Sign Recognition Matlab Code by Muhammad Ammad

Traffic Warning Sign Recognition Matlab Code using matlab demo from the matlab 7.5 in video processc (blob analysis, detection, recognition)

main

x=blobAnalysis(a)

Yield.avi

MB OFDM Transmission by Krishna Balan

Matlab code which implements MB-OFDM transmission block as per ECMA 368 standard. (mbofdm, ofdm, communications)

convEncode(inputBitVector)

cyclicIntrlv(inputBits,shift,bitsPerSymbol)

mapCarriers(symbolVector)

Video signal generation and playback by Krishna Kumar P

Generating a video signal and playing it back.It uses the intensity plot of all frames. (video signal generati..., video plot, image plot)

video.m

Improved Distance Evaluation (IDE) by Behrad Bagheri

This method could be implemented for feature selection in classification problems. (feature selection, signal processing, classification)

[scores indices selected duration]=IDE2(data,classes,thresh...

Kernel PCA and Pre-Image Reconstruction by Quan Wang

standard PCA, Gaussian kernel PCA, polynomial kernel PCA, pre-image reconstruction (signal processing, large data, dimension reduction)

K=kernel(X,type,para)

Y=PCA(X,d)

[Y, eigVector, para]=kPCA(X,d,type,para)

Homomorphic filtering by Mohamed Athiq

Matlab implementation of Homomorphic filetring using a gaussian high pass filter (image processing, mathematics, signal processing)

homomorph(im,lowg,highg)

homomorphfilter.m

Computes the Total Harmonic Distortion (THD) of a signal by yoash levron

Useful in power systems and audio systems (power, audio, measurement)

compute_THD( t,x, freq )

compute_THD_example.m

Histogram Equilization by Amarjot

The above describes histogram equalization on a grayscale image (image processing, signal processing, communications)

Histeq.m

Block Division using cell by Suraj Kamya

Using cell data type one can effectively breaks the 2D/3D data in to required no. of blocks. (blocks, image, cell)

I=recom_blocks(B)

[B]=blocks(image)

SM_ModelBasedv2_Order3_ChannelEstimation_3bits.m by hsuancheng chang

using Model Based channel estimation in MIMO (mathematics, signal processing, demo)

SM_ModelBasedv2_Order3_ChannelEstimation_3bits.m

GUI for Convolution by Shahid Ali Murtza

This gui includes convolution in both continuous and discrete time domains . (convolution, signal processing, gui)

Sig_Project(varargin)

Sig_Project_Disc(varargin)

[y m]=convolution_(x,nx,h,nh)

Wave Player Visualizations (Geek) by Suraj Kamya

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

Kviz_Player_V1(varargin)

Decentralized Feedback Zero Forcing Equalizer by Alex Dytso

Describes implementation of decentralized feedback zero forcing equalizer. (communications, wireless, simulation)

simDFEZF

One-Sided FFT by Aravazhi Anbarasu

More intuitive than built in function for simple operations.Useful for repetitive code and plotiing. (control design, physics, communications)

fft_calc(X,fs)

ESSIM by Zhang Xuande

An image qualtiy metric based on the similaity of edge-strength (signal processing, image processing, image quality assessm...)

ESSIM(Ref_img, Dis_img)

Hamming Code by Marc-Andre Robichaud

Hamming error correction codes, with functions to add/remove parity bits to binary strings. (wireless, signal processing, demo)

E=insert_parity_bits(message,nbp)

E=insert_parity_spots(message,nbp)

P=generate_hamming_matrix(coded_message,nbp)

write_ascii by Jacob

simple and elegant matlab function to quickly write large matrices to an ascii file. (csvwrite, dlmwrite, ascii)

write_ascii(filename,data,delimiter,format)