level set for image segmentation by Chunming Li

This Matlab code implements an edge based geometric active contour model without reinitialization. (level set, image segmentation, segmentation)

drlse_edge(phi_0, g, lambda,mu, alfa, epsilon, timestep, it...

demo_1.m

demo_2.m

Fast segmentation of N-dimensional grayscale images by Anton Semechko

Partition N-D grayscale image into c classes using efficient C-means and fuzzy C-means clustering (image segmentation, fuzzy cmeans, cmeans)

DemoFCM

L=LUT2label(im,LUT)

Umap=FM2map(im,U,H)

Fast 3D/2D Region Growing (MEX) by Christian Wuerslin

A very fast 2D and 3D region growing algorithm implemented in c++. (region growing, image segmentation, 3d)

RegionGrowing(dImg, dMaxDif, iSeed)

Identification red objects in live video by Oren berkovicth

This function allows to identify red objects in live video, and painting them . (image processing, image segmentation)

redobject(color)

Automatic extraction of original by sapthagirivasan v

Automatic extraction of original content which is equivalent to the segmented (BW) content (image cropping, cropping original con..., image segmentation)

crop_original(im,BW)

Image segmentation - multiscale energy-based level sets by tudor dima

Segmentation using active contour without edges and multi-scale acceleration. GUI included (image segmentation, level set, active contours)

InitG(g0, kMax)

ReplaceFigWhenNew(figNo, Position)

RescaleFn(fn, mask, style)

Active Contours implementation & test platform GUI by Nikolay S.

Implementation and demonstration of several active contours segmentation methods. (geodesic snakes, enhancement, segmentation)

Active Contours implementation & test platform GUI

ActiveContoursWihoutEdges(hObject,mask)

LevelSetEvolutionWithoutReinitialization(Img,sigma,epsilon,...

HMRF-EM-image by Quan Wang

Implementation of the Hidden Markov Random Field Model and its Expectation-Maximization Algorithm (markov random field, expectationmaximizati..., image segmentation)

BoundMirrorExpand(A)

BoundMirrorShrink(A)

[X mu sigma]=HMRF_EM(X,Y,Z,mu,sigma,k,EM_iter,MAP_iter)

GMM-HMRF by Quan Wang

GMM-Based Hidden Markov Random Field for Color Image and 3D Volume Segmentation (image processing, optimization, pattern recognition)

BoundMirrorExpand(A)

BoundMirrorShrink(A)

GMM=get_GMM(X,Y,g)

Active contours driven by local Gaussian distribution fitting energy by li

This Matlab code implements a segmentation method using local Gaussian distribution fitting energy. (image segmentation, segmentation, level set)

evolution_LGD(Img,u,epsilon,Ksigma,KONE,KI,KI2,mu,nu,lambda...

Demo_LGD_1.m

Demo_LGD_2.m

Low DOF Images Segmentation by Jiangyuan Mei

A curve evolution approach for unsupervised segmetation of images with low depth of field (image segmentation, depth of field)

Curve_Evolution(I,map,max_its)

Iout=conv2_expand(I,Filter)

Object_Detection.m

Pairwise term for Graphcut by Bharath Ramesh

Very fast, vectorized code for calculating the pairwise term for algorithms like Graph cuts. (image processing, lazy snapping, image segmentation)

N=pairwise_term(img)

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. (image segmentation, histogram, delaunay triangulatio...)

DSNew.m

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

Nonlinear Relaxation Labeling for Image Processing by Anton Semechko

Improve spatial coherence of a 2D monochromatic/multispectral image using probabilistic relaxation (nonlinear relaxation ..., relaxation labeling, relaxation labelling)

MyKmeans.m

RelaxLabel2D_demo1

RelaxLabel2D_demo2

Fast Continuous Max-Flow Algorithm to 2D/3D Image Segmentation by Jing Yuan

Fast continuous max-flow algorithm to 2D/3D image segmentation developed in matlab, C and GPU (image processing, image segmentation, convex optimization)

CMF3D_Cut

CMF_Cut

test_CMF

Fast Continuous Max-Flow Algorithm to 2D/3D Multi-Region Image Segmentation by Jing Yuan

It implements the fast continuous max-flow algorithm to 2D/3D multi-region image segmentation. (image processing, mathematics, convex optimization)

CMF3D_ML_Cut

CMF_ML_Cut

test_CMF3D_ML

image segmentation with EM algorithm by Rongwen Lu

To implement EM algorithm with Gaussian mixed model and to apply it to the image segmentation (em algorithm, gaussian mixed model, image segmentation)

[maskOut]=kGaussian_color_EM(imageFile,k)

image segmentation by priya

Implementation of image segmentation. (code, image segmentation, program)

tran( ~ )

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)

image segmentation and color measurement by lin

This is my code for a given color image segmentation and color measurement. (image processing, image segmentation, color measurement)

Untitled11.m

color Image Segmentation by Athi

Segments a color image into regions. (clustering, segmentation, image segmentation)

colImgSeg(inImg, nBins, winSize, nClass)

SampleUsage.m

Learning Based Digital Matting by Yuanjie Zheng

A package for a demo of a learning based image matting technique. (digital, image processing, image segmentation)

C=getC(mask,c)

L=getLap(imdata,winsz,mask,lambda)

L=getLap_iccv09_overlapping(imdata,winsz,mask,lambda)

Edge detection by nonlinear derivatives by Olivier LALIGANT

This short demo presents an efficient algorithm for edge detection. (image processing, edge detection, edge localization)

edgeNL()

Least squares fit of a rectangle to a given shape/boundary by Onkar Raut

A simple method for fitting of bounding rectangle to closed regions (rectangle, fit, least squares)

fit_rectangle(boundary_points)

Edge Detection by Deepak Kumar Rout

Detects the edges in an image (line detection, pixel detection, image segmentation)

edge_detection.m

Multi modal image segmentation by VPS Naidu

Textural and modulated intensity gradients followed by marker controlled watershed algorithm. (image segmentation)

[ME]=vpninterp(inp)

watershed_seg(ip_wshed,ip_img)

vpsnseg.m

Snakes: Active Contour Models by Ritwik Kumar

Implements snakes or active contour models for image segmentation. (active contour models, snake, image segmentation)

filter_function.m

getsnake.m

interate.m

Image segmentation using Otsu thresholding by Damien Garcia

OTSU(I,N) segments the image I into N classes by means of Otsu's N-thresholding method. (image segmentation, image processing, thresholding)

otsu(I,n)

Image segmentation using statistical region merging by Sylvain Boltz

Very simple and fast image segmentation code using statistical region merging. (region merging, clustering, image segmentation)

[maps,images]=srm(image,Qlevels)

srm_getborders(map)

srm_imgGrad(I)

Active Contours: A New Distribution Metric for Image Segmentation by Romeil Sandhu

We present a new distribution metric for image segmentation for active contours. (active contours, segmentation, medical imaging)

Dirac2(x, sigma)

Init_SDF(mask)

Tryphon_NB(I, phi, iter, dt, alpha, flag_approx)

Efficient Graph based image Segmentation by Su Dongcai

A simple and efficient graph based image segmentation algorithm (image segmentation, fine, minimum span tree)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

Fuzzy c-means segmentation by Santle Camilus

This program segments an image into 2 partitions using standard Fuzzy k-means algorithm. (clustering, cmeans, image segmentation)

fuzzycmeans.m

Parametric Active Model Toolbox by Bing Li

Collection of functions and examples of parametric active model. (active contour, vfc, active model)

AC_deform(vertex,alpha,beta,tau,Fext,ITER,type)

AC_display(vertex,flag,LineSpec)

AC_initial(res, type, p)

image segmentation using iterative watersheding plus ridge detection by Li CHEN

image segmentation for grid-pattern (detection, image segmentation, morphology)

DepthMeature(L, I)

DrawEllipse(cur_img, regs, colortable, colortable1)

MarkPseudoBlob( L, bwridge, NUMTHRESH, MERGETHRESH )

number plate segmentation of a car by k sreenath

the whole numbers on a number plate of a car can be segmented (image segmentation, number)

seg.m

Image Segmentation via topological derivative by Ignacio Larrabide

Segment an image using the topological derivative (continuous and discrete algorithms). (topological derivativ..., morphology, image segmentation)

Segmentation_Continuum_TD( imIn, cls, bt, perc, kIni, optCl...

Segmentation_Discrete_TD( imIn, rho, cls, perc, clsOpt, Tol...

example.m

Automatic Thresholding by Hidetoshi Nishimura

Function to change an intensity image to a segmented image. (automatic threshold, binarization, segmentation)

im2bw_ent(IM)

COM Automatic Thresholding (REVISED) by Hidetoshi Nishimura

Automatic Thresholding by detecting the center of mass of histgram (automatic thresholdin..., morphology, image segmentation)

im2bw_com(IM)

Simulating Photoshop's magic wand tool by Son Lam Phung

This function simulates the functionality of Photoshop's magic wand tool. (gui, display, annotation)

magicwand(im, ylist, xlist, tolerance)