Hyperspectral Image Index Analysis by Aristidis Vaiopoulos

This program calculates 8 image indices: Bias,Correlation,DIV,Entropy,ERGAS,Q,RASE and RMSE. (entropy, ergas, hyperspectral image a...)

bias_f(x,y)

ccc_f(x,y)

div_f(x,y)

JPEG-based computing by Boris

This is a function to test a JPEG-based encoding/decoding algorithm (demo, image processing, compression)

entropy_cod( input_matrix, n)

get_quantization( q )

huffman_cod( input_matrix)

Medium Model by Mark Selby

Thermodynamic Fluid Properties (thermodynamics, chemistry, fluid properties)

MediumModel

Permutation entropy by Gaoxiang Ouyang

% Calculate the permutation entropy (signal processing, entropy, order pattern analysi...)

pec(y,m,t)

Compute the Entropy of an entered text string by Cavin Dsouza

Computes the entropy of a user entered string. (entropy, communication)

ComputeEntropy(s)

Entropy estimation from histogram by Martin V.

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

EntropyEstimationHist(input)

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)

image entropy by wang

to compute the entropy of an image (entropy, image processing)

D=img_entrp(A)

Information Theory Toolbox by Mo Chen

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

conditionalEntropy (x, y)

entropy(x)

jointEntropy(x, y)

Mutual Information by Will Dwinnell

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

MutualInformation(X,Y);

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,n_...

Kernel estimate for (Conditional) Mutual Information by Mikhail

Estimates Mutual Information and Conditional Mutual Information between continuous random variables (entropy, kullback–leibler dive..., mutual information)

ctransform(a)

kernelcmi( x, y, z, h, ind )

kernelmi( x, y, h, ind )

Minimum Entropy Deconvolution (MED 1D and 2D) by Geoff McDonald

Generates a 1D FIR filter iteratively to minimize the entropy of the filtered signal(s). (minimum entropy decon..., deconvolution, 1d)

med2d(x,filterSize,termIter,termDelta,plotMode)

Compute Position Weight Matrix (PWM) and display SequenceLogo in terms of frequency by Michael Chan

Illustrates computation of best match scoring with PWM and constructs sequence logo. (bioinformatics, position weight matri..., match)

PWM( alignmentSetMatrix )

change1colorOnRGBToAnother(rgbImage, FromColor, ToColor)

computeProbabilityOfSubsequence(sequenceToBeChecked, probab...

Mutual Information by Mo Chen

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

MI(label, result)

Joint Entropy by Will Dwinnell

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

JointEntropy(X)

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)

Entropy by Will Dwinnell

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

Entropy(X)

Feature Selection Based on Interaction Information by Stefan Schroedl

Self-contained package for feature selection based on mutual information/interaction information. (shannon information, entropy, mutual information)

demo_feature_select

cond_entropy(prob, dims)

dimensionalize(vars, vals, which_stats)

Diagrams of Thermodynamic State of Water by Fabian

Plot T,s; h,s or log p,h-Diagrams of Water within MATLAB (enthalpy, turbine, steam)

thermo_diagram_plot(type,varargin)

Approximate Entropy by Avinash Parnandi

This function computes approximate entropy of a data series. (approximate entropy, entropy, apen)

approx_entropy(n,r,a)

two qubit quntum computer by Toshifumi Itakura

two qubit quantum computer with phonon the crucuit entropy has been examined. (physics, qunatum computer, decohrence)

loreq47(t,u)

udot=dfunc (x)

test48.m

Ehrenfest's Lottery by Hank Ashbaugh

Plays Ehrenfest’s lottery to model the random mixing and evaluate the entropy (thermodynamics, entropy, equilibrium)

urngame.m

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 (entropy, information theory, statistics)

entropy(x,y)

jentropy(objectSet,varargin)

shannon and non-extensive entropy by Guan Wenye

shannon Tsallis,renyi,escort Tsallis entropy and relative entropy (entropy, coding theory, renyi)

y1=K_q_Tsallis(P1,P2,q)

y2=K_q_escorTsallis(P1,P2,q)

y2=K_q_renyi(P1,P2,q)

mean,Std,energy of image,CUMULATIVE GRAY LEVEL DISTRUBITION,mode of image, entropy, HISTOGRAM MODIFI by cenk

ONLY iMREAD COMMAND USED (image energy, entropy, cumulative distrubiti...)

odevv1.m

MUTUALINFO by David Fass

Multiple mutual information (interaction information) (mutual information, entropy, information)

mutualinfo(objMat,pVect,varargin)

ENTROPY by David Fass

Compute the Shannon entropy of a set of variables. (entropy, information theory, coding theory)

entropy(objectSet,varargin)

Entrop by Michael Boss

ENTROP implements a special version of the algorithm for entropy maximization. (approximation, interpolation, entropy)

[X,Exit]=entrop(U,A,b,t,maxiter,tol);

janaf.m by Stefan Billig

Calculates JANAF curve fit according to JANAF virial equation. (chemistry, physics, janaf)

out=janaf(prop, spec,T);