Noise adaptive fuzzy switching median filter for salt-and-pepper noise reduction by xu jinsheng

a NAFSM filter for effective removal of salt-and-pepper noise is presented. (image processing, fuzzy reasoning, histogram)

NAFSM(x)

Normalized histogram by Arturo Serrano

Same as histogram, but the area sum is 1. (histogram, normalized)

histnorm(varargin)

Plot and compare histograms; pretty by default by Jonathan C. Lansey

Compares multiple sets of data elegantly. Set bins and axis bounds to be appropriate for the data. (histogram, bins, bin size)

nhist(cellValues, varargin)

Function to make a 2D histogram by Sisi Ma

Make 2D histogram on pairs of (x,y) data (data exploration, 2 dimension visualiza..., histogram)

count=hist2d(data, xrange, yrange)

Preferred Number Sequences by Stephen Cobeldick

Generate vectors of "Preferred Number Sequence" values. (preferred number, preferred value, rounding)

prefnum(rng,def,mrg,varargin)

prefnum_bar

Histogram Count (Derive Bin Edges) by Stephen Cobeldick

Place matrix elements into bins, with bin edges calculated from a position vector. (histogram, histc, hist)

histb(X,pos,tok,bup)

Segmentation by Micael Couceiro

Multiple Image Segmentation using PSO, DPSO, FO-DPSO and exhaustive methods. (pso, segmentation, optimization)

segmentation.m

Intensity normalization of Brain volume by Alessandro Crimi

Intensity normalization of Brain volume given a reference volume (nifti, brain, intensity normalizati...)

emgm(X, init, prob_prior)

get_nii_frame(fileprefix)

hellier_hist_normalization_gmm( file_name_template, file_na...

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

Basic Image processing including histogram without using hist function by Aditya

Performs following image processing operations: 1)generate histogram 2)Set brightness & contrast (image processing, histogram, hist)

histogram.m

A Fast Image Segmentation using Delaunay Triangulation (Revisited) by Abbas Cheddad

This is a tuned version of the old post on Delaunay-based image segmentation. (delaunay triangulatio..., image segmentation, cell segmentation)

DSNew.m

[Segmented Clusters]=DSIterate(Segmented,B,C,D)

Normalized histogram by Martin V.

The function make normalized histogram, i.e. the estimation of the probability density function. (histogram, statistics, mathematics)

[h x]=histnorm(data, bins, view)

Violin Plots for plotting multiple distributions (distributionPlot.m) by Jonas

Function for plotting multiple histograms side-by-side in 2D - better than boxplot. (histogram, distributions, plotting)

colorCode2rgb(c)

countEntries(m,isRow, keepNaN)

distributionPlot(varargin)

3D cylindrical histogram by Eric

A small piece of code to plot data in a cylindrical histogram (plot, histogram, cylindrical coordinat...)

threedhistcylinder.m

Stem and leaf plot by Jered Wells

This is a simple utility for making stem and leaf plots output to the command window. (stem, leaf, plot)

stemleafplot(v,p)

ocean_rose by Cameron Sparr

This is a simple script that takes in earth coordinate angle measures and makes a 'rose' plot. (oceanography, wind, meteorology)

ocean_rose(D, nbins, varargin)

C program by Vishal Gupta

C program for histogram, histogram equalization, tiff and bitmap (image processing, bitmap, tiff)

2D histogram - 'exact' and 'fast' binning, 'crop' and 'stretch' grid adjustment by tudor dima

2D histogram of data pairs [x,y]; 'fast'/'exact' binning; 'stretch'/'crop' grid mode. (statistics, probability, histogram)

hist2(vxy, mesh_minmaxN_xy, varargin)

N-dimensional histogram by Bruno Luong

Compute n-dimensional histogram (histogram, nd, histc)

histcn(X, varargin)

A Fast Image Segmentation using Delaunay Triangulation by Abbas Cheddad

A fully automated process that does not require initial estimate of number of clusters. (object extraction, cell segmentation, image segmentation)

DS.m

DSeg(varargin)

histograms for ND data by Diederick

Create histograms for ND data using ND bins (histogram, nd data, 2d)

histnd(varargin)

N-D histogram by Kota Yamaguchi

Extension to the histc function to count the number of data points on N-D grid. (histogram, histc, nd)

histcnd( x, edges )

K-means image segmentation by Pablo Fonseca

K-means image segmentation based on histogram to reduce memory usage which is constant for any size. (clustering, kmeans, image)

kmeansclustering(im, k)

HistConnect by Dirk-Jan Kroon

Smooth histograms for sparse sampled signals and images, using low-frequency assumption. (histogram, hist, linear interpolation)

H=HistConnect(X,B,R)

Illustration of the Central Limit Theorem by Choqueuse Vincent

This script illustrates the central Limit theorem. (central limit theorem, statistics, gaussian)

illustration_CLT.m

N-Dimensional Histogram Count by Mathew

Bins the elements of n matrices into an n-dimensional histogram. (histogram, hist, histc)

n=histcnd(varargin)

Custom-shaped histogram by Image Analyst

Transform an image to have any histogram you want. (color detection, fun, segmentation)

shaped_histogram()

threshold(varargin)

threshold_grayscale_image(original_image, min_threshold, ma...

imHistogram by David Legland

Histogram of 2D/3D grayscale or color images (hist, image histogram, color histogram)

imHistogram(img, varargin)

rug plots by Rob Campbell

Creates a so-called "rug" plot similar to those produced by the free stats package, R. (rug, histogram, plot)

varargout=rug(varargin)

histNorm by Travis Kupsche

creates normalized histogram from multiple data sets. (histogram, histnorm, normalized)

histNorm(dataSets,varargin)

Weibull Parameters Calculating by Cesar Manuel Diez Chirinos

Calculating the two parameters for the Weibull Analysis. (weibull, data analisis, histogram)

weibullparamcalc.m

Attractor by Ankur Pawar

Quadratic attractor,Clifford attractor,Peter De Jong generated using histogram method. (strange attractor, attractor, ifs)

clifford.m

peterdejong2.m

peterdejong4.m

Histogram Binwidth Optimization by Hideaki Shimazaki

Function `sshist' returns optimal number of bins in a histogram used for density estimation. (binwidth, histogram, optimization)

sshist(x,N)

Binned Scatter Plot by Stefan Schroedl

plot quantiles of y given quantiles of x. (bin, histogram, scatter)

binned_plot(x,y,varargin)

GETCHUNKS by Jiro Doke

Get the number of repetitions that occur in consecutive chunks. (matrices, repetitions, histogram)

getchunks(a, opt)

marginhist.m by Peter Perkins

2D scatterplot w/marginal histograms. (specialized, plotting, scatterplot)

marginhist(x,y,nbins)

Fast 2D histogram calculation by Amanda

Fast calculation of 2D histogram. Optionally displays surf plot of histogram. (2d, histogram, complex)

hist2d(D, varargin) %Xn, Yn, Xrange, Yrange)

Qplot by Francisco de Castro

Menu driven GUI for creating many graph types (3d, scatter, plot)

Qplot()

barerror (X,Y,E,width,color)

getcols (col)

bihist (back to back histogram) by Mauro

create a back-to-back histogram (statistics, back, back to back)

bihist(x1,x2,n)

smoothhist2D by Peter Perkins

Plot a smoothed histogram of bivariate data (graphics, plotting, scatterplot)

smoothhist2D(X,lambda,nbins,outliercutoff,plottype)

cellhist by Tal Shir

Plots a Histogram based on cell string array. (hist, histogram, cell)

[n cellout]=cellhist(CELL)

SDFConv by Matthew Nelson

Given spike times across trials, create smoothed peri-event hist convolved with a PSP or Gaus kernel (neuroscience, histogram, spike)

sdf=SDFConv(spk,AlignEv,bn,ktype,sig)

scatter_histhist.m by Jeffrey

Takes vectors X and Y makes a scatter plot of X vs. Y and histograms of X and Y (data exploration, plot, histogram)

[hm, hx, hy]=scatter_histhist(x, x_sig, y,y_sig, x_lim, y_l...

find_idx by Bruno Luong

Fractional binning (bins, binning, hist)

idx=find_idx(xi, xgrid, options, InputCheck)

findidxmex.m

Removal of unevenness of a histogram by Bratati paul

Every local minima-maxima pair is replaced by a plate and histogram is smoothened (image processing, signal processing, histogram)

Plated_hist.m

Processed Histogram based Face Recognition by Usman Qayyum

The histogram based face recognition algorithm tested on ORL database with 99.75% accuracy (absolute distance, histogram, orl)

FR_Processed_histogram(varargin)

Calculate number of bins for histogram by Richie Cotton

Automatically calculates the 'best' number of bins for a histogram. (annotation, customization, hist)

calcnbins(x, method, minimum, maximum)

histx(varargin)

cumulative local histogram to drive level set evolution by Yuanquan Wang

calculate the local cumulative histogram for level set (histogram, image analysis, local)

histgramTest(action,varargin)

Labelled histogram by Pau Micó

Plots the histogram for the observations, but grouped by labels. (analyza, labelled, histogram)

lhist(y,m,labels)

Diffusion Distance by Matthew Foster

Calculate the diffusion distance between histograms (histogram, distance, image analysis)

diffusion_distance(im1, im2, sig, dim, threshold, pad_type)