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updated 1 month ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 1 month ago

Fast Frequency Hopping Spread Spectrum Analysis of a BPSK Signal by Roshan P Shajan

Both Modulation and Demodulation using MATALB (plotting, fhss, coding theory)

FHSS_BPSK.m

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updated 1 month ago

Information Theoretic Feature Selection by Xuan Vinh Nguyen

Implementation for state-of-the-art mutual information based feature selection methods (mutual information, feature selection, mrmr)

[QPFSFS,maxRelFS,MRMRFS,QPFS_MImat,minRedFS,MIQFS,timeMax...

[SPECCMI_Fs,MRMTRFS,QPFS_JMImat,weights,CMIMFS,CIFEFS,tim...

[b,norm_const]=normalize_max(a,nc)

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updated 3 months ago

Run Length Encoding by Suraj Kamya

Run Length Encoding - Loss less Coding Technique (run length coding, loss less, encoding)

dec=rledec(enc)

enc=rleenc(ins)

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updated 3 months ago

FDA LDA multiclass by Sultan Alzahrani

Linear discriminant analysis or Fisher's linear discriminant (machine learning, statistics, information theory)

FDA(X,Y,r)

testScript.m

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updated 3 months ago

Information-based Similarity Toolbox by Albert Yang

Information-based similarity index is an analysis of measuring distance between symbolic sequences (statistical physics, information theory, distance)

binmapping(signal)

checkfiletype(filename)

ibs(wrf1,wrf2)

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updated 10 months ago

dq theory by hariom chauhan

generalised theory of electric machine (information theory)

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updated 1 year ago

Ecological Information-Based Approach by todaigakusei

Ecological Information-Based Approach metrics (ecological informatio..., information theory, delivery robustness)

[n TST ascX resPSI capH alpha Fitness EffConnectivity Num...

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updated 1 year ago

SNR_BER2 by SAAD

SNR_BER2 (information theory)

Asgnt4_Saad.m

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updated 1 year ago

Simulation of LMMSE by Alex Dytso

This code is a demonstration of how LMMSE filter is implemented inside of a communication system (wireless, communications, simulation)

LMMSEsimulation.m

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updated almost 2 years ago

Coaxial Cable Based CDMA System Simulation by Iftekhar Tanveer

This is a simulation of CDMA Encoding & Decoding Process using a coax channel. (coding theory, information theory, coaxial cable)

Coaxial Cable Based CDMA System Simulation

...

CDMA_Encode(TotalChips, ...

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updated almost 2 years ago

Feature selector based on genetic algorithms and information theory. by Oswaldo Ludwig

The algorithm performs the combinatorial optimization by using Genetic Algorithms. (feature selection, genetic algorithms, artificial intelligen...)

H=entropia2(X,resolucao)

[Hx,Hy,MIxy,MIxx]=statistics(X,y)

[Selected]=GA_feature_selector(feat_numb,X,y)

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updated 2 years ago

Study of Different Types of Typicality by Alex Dytso

Typicality is in an important concept in information theory. (information theory, communications, mathematics)

typicalSequences.m

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updated 2 years ago

Entropy estimation from histogram by Martin V.

The script calculates the entropy point estimation from 1D histogram of data. (mathematics, measurement, statistics)

EntropyEstimationHist(input)

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updated 2 years ago

Entropy estimation by Kozachenko-Leonenko method by Martin V.

The script calculates the entropy point estimation for 1D date by the Kozachenko-Leonenko method. (mathematics, measurement, statistics)

EntropyEstimationKL(input)

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updated 2 years ago

Information Theory Toolbox by Mo Chen

Functions for Information theory, such as entropy, mutual information, KL divergence, etc (information theory, entropy, joint entropy)

conditionalEntropy (x, y)

entropy(x)

jointEntropy(x, y)

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updated 2 years ago

Mutual Information by Will Dwinnell

Calculates the mutual information between two discrete variables (or a group and a single variable). (entropy, information theory, discrete)

MutualInformation(X,Y);

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updated 2 years ago

Levenstein Coding by Marcos Bolanos

This code implements the Levenstein universal coding method. (information theory, channel coding, levenstein)

Levenstein.m

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updated almost 3 years ago

min and max values plus coordinates of 2D a matrix by Abdulrahman Siddiq

Two functions to find the value and position of the first min and max in a 2D matrix (communications, signal processing, image processing)

[value,row,colomn]=max2d(x)

[value,row,colomn]=min2d(x)

test_min2d_max2d.m

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updated almost 3 years ago

All combinations by Abdulrahman Siddiq

It returns all possible n-digit combinations of the elements of an L-element alphabet. (communications, image processing, signal processing)

m=all_comb(alphabet,n);

test_all_comb.m

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updated almost 3 years ago

Capacity of Binary Symmetric Channel (BSC) by Abdulrahman Siddiq

returns the channel capacity in bits per transmitted symbol (communications, signal processing, information theory)

ch_cap.m

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updated almost 3 years ago

The minCEntropy algorithm for alternative clustering by Xuan Vinh Nguyen

The minCEntropy algorithm for alternative clustering (clustering, alternative clusterin..., data mining)

Cont=Contingency(Mem1,Mem2)

MI(label, result)

[max_mem,max_obj,all_mem,S]=minCEntropy(a,K,sigma_factor,...

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updated almost 3 years ago

Lempel Ziv Encoding by fcatak

This is an implementation of Lempel Ziv encoding algorithm. (lempelziv, encoding, information theory)

[output outCodeBook NumRep NumRepBin]=lempelzivEnc(Inputd...

test.m

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updated 3 years ago

Turbo Code Simulation by In Soo Ahn

Generate a turbo code, and decode the code iteratively using MAP detectors. (coding theory, information theory, turbo code)

turbo_code_no_punc_setup

turbo_code_punc_setup

turbo_code_no_punc_multiple_run_driver.m

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updated 3 years ago

Fast mutual information of two images or signals by Jose Delpiano

Optimized function for mutual information of two images or signals (geometric transformat..., image registration, mutual information)

I=mi(A,B,varargin)

n=hist2(A,B,L)

mi_test.m

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updated 3 years ago

cofdm simulator by apurva gupta

Simulate BER vs. Eb/No(db) for different types of modulations,coding and interleaving. (coding theory, information theory, bpsk)

final_simulator(varargin)

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updated almost 4 years ago

Normalized Mutual Information by Mo Chen

Fully vectorized implementation normalized mutual information (mutual information, nmi, information theory)

nmi(label, result)

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updated almost 4 years ago

Mutual Information by Mo Chen

Fully vectorized implementation of mutual information (mutual information, entropy, information theory)

MI(label, result)

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updated almost 4 years ago

Joint Entropy by Will Dwinnell

Calculates the joint entropy of a group of variables. (entropy, information theory, discrete)

JointEntropy(X)

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updated almost 4 years ago

Conditional Entropy by Will Dwinnell

Calculates the conditional entropy of a discrete variable, given other discrete variables. (entropy, information theory, conditional entropy)

ConditionalEntropy(Y,X)

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updated almost 4 years ago

Entropy by Will Dwinnell

Calculates the sample entropy, in bits, of discrete variables. (entropy, information theory, discrete)

Entropy(X)

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updated 4 years ago

Waterfilling algorithm by Kenneth Shum

Power allocation for the maximization of sum rate in parallel Gaussian channels (waterfilling, capacity, parallel gaussian cha...)

waterfill (x,P)

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updated 4 years ago

GPS C/A Code Generator by Dan Boschen

Generates C/A Codes for selected PRNs, up to 37 codes. (coding theory, information theory, gps ca code)

g=cacode(sv,fs)

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updated 4 years ago

Parity Check Matrices of DVBS2 codes by Yang Xiao

This program can produce the Parity Check Matrices of DVBS2 codes. (ldpc, information theory, channel coding)

addcr(c, r)

getchecknodetable(R)

nodeindices(ct, M, NB)

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updated 4 years ago

LDPC codes BER simulation by Bagawan Nugroho

LDPC codes BER simulation under AWGN channel, MacKay-Neal based LDPC matrix (coding theory, information theory, ldpc)

decodeBitFlipping(rx, H, iteration)

decodeLogDomain(rx, H, N0, iteration)

decodeLogDomainSimple(rx, H, iteration)

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updated 4 years ago

Mutual Information In probability theory and information theory by Guangdi Li

Code for marginally and conditional mutual information in probability and information theory (mutual information, probability theory, information theory)

ConditionalProbability( MDCObj,CurrentVar,VarParent,Vecto...

ConditionallyIndependent_MutualInformation( LGObj,Var1,Va...

ConstructLGObj( OriginalSample )

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updated 5 years ago

Soft-Decision Viterbi Decoding with Puncturing by Amit Kansal

Performs soft-decison Viterbi decoding with puncturing over an AWGN channel using Simulink(R). (coding theory, information theory, viterbi decoding)

mvitdecoding_punc

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updated 5 years ago

Flexible Girth 8 QC-LDPC Codes by Gabofetswe Malema

Program constructs girth 8 qc-ldpc codes. Column/row-weights and sub-matrix size are variable. (errorcorrection codes, information theory, ldpc codes)

bipartite8_var.m

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updated 5 years ago

Differential Encoding/Decoding by Dr. Murtaza Khan

Basic Differential Encoding/Decoding of input vector of numeric values (coding theory, information theory, differential)

vo=diffdecodevec(vi)

vo=diffencodevec(vi)

diffencodevecTest.m

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updated 5 years ago

entropy, joint entropy and conditional entropy function for n variables by Nashat Abughalieh

entropy, joint entropy for any number of variables and the conditional entropy (information theory, entropy, statistics)

entropy(x,y)

jentropy(objectSet,varargin)

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updated 5 years ago

Flexible construction of girth-six QC-LDPC Codes by Gabofetswe Malema

constructs girth-six QC-LDPC codes given a row-weight,column-weight, sub-matrix size. (information theory, errorcorrecting codes, communications)

girth6_shifter.m

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updated almost 6 years ago

Quiverc by Bertrand Dano

Creates a color quiver plot with arrows colors according to the magnitude of the vector. (coding theory, information theory, quiver)

quiverc(varargin)

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updated almost 6 years ago

Convolutional Encoder and Hard Decision Viterbi Decoder by Muhammad Hassan Masood

Convolutional Encoder of Code Rate=1/2, with 3 Memory Elements and a corresponding Hard Decision Vit (coding theory, information theory, viterbi decoder)

[HD]=hamm_dist(A,B)

[dec_op]=viterbidec(rcvd)

[encoded_sequence]=convlenc(message)

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updated 6 years ago

Count "on", "off", or calculate simple "parity" bits of input by James Tursa

Three functions to calculate the number of "on", "off", or simple "parity" bits of input (coding theory, information theory, onbits)

offbits(varargin)

onbits(varargin)

paritybits(varargin)

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updated 6 years ago

Girth-six column-weight three QC-LDPC Codes by Gabofetswe Malema

constructs girth-six column-weight three QC-LDPC codes (coding theory, information theory, girth six)

girth63rr.m

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updated 6 years ago

Girth-eight column-weight four QC-LDPC codes by Gabofetswe Malema

constructs girth-eight column-weight four LDPC codes (coding theory, information theory, girtheight)

girth84rr.m

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updated 6 years ago

Girth-twelve column-weight two QC-LDPC codes by Gabofetswe Malema

contructs girth-twelve column-weight two qc-LDPC codes (coding theory, information theory, girth)

girth12rr.m

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updated 6 years ago

Column-weight three Girth-8 QCL-PDC Codes by Gabofetswe Malema

Constructs column-weight three qc-LDPC codes with varied rates (row-weight) and code sizes. (coding theory, information theory, qcldpc)

girth83rr.m

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updated 6 years ago

MELP source code by Oleg Basov

MELP encoder and decoder in Matlab (coding theory, information theory, melp)

d_ase.m

d_disp.m

d_ga.m

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updated 6 years ago

Data encoding: AMI, NRZ, RZ, Polar, Bipolar, Manchester... by Diego Barragán

Simulation of digital baseband modulation (coding theory, information theory, data encoding)

espec_lc.m

line_code.m

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