Morphological Shared-Weight Neural Network for Face Recognition by Ethan Png

MSNN has the ability to learn feature extraction and perform classification at the same time. (image analysis, msnn face recognition...)

...

[W,Z,O,E]=msnn1(t,xcell,noHidCells,lrate,epoch)

[WX,ZX,O,E]=msnn2(t,xcell,noHidCells,lrate,epoch)

Region Adjacency Graph (RAG) by David Legland

Computes the graph of adjacent regions in a labeled image (rag, watershed, graph)

demoImRAG

imRAG(img, varargin)

Imagine by Christian Wuerslin

4D/3D image visualization and evaluation GUI. (3d, evaluation, image analysis)

Imagine App

OptimalColor(iNBins)

fEvalLineFWHM(SData, sSelectionType, hTexts)

Geometric measures in 2D/3D images by David Legland

Measure of geometric parameters in 2D or 3D images (surface area, perimeter, Euler Number...) (image analysis, particle analysis, region properties)

imArea(img, varargin)

imAreaDensity(img, varargin)

imAreaEstimate(img, varargin)

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

Line Detection via Standard Hough Transform by Amin Sarafraz

Detects lines in binary images via Standard Hough Transform. (line detection, hough transform, image analysis)

houghline(Imbinary,pstep,tetastep,thresh)

Circle Detection via Standard Hough Transform by Amin Sarafraz

Find circles with specific radius in a binary image via Standard Hough Transform. (hough transform circl..., image analysis, image processing)

houghcircle(Imbinary,r,thresh)

LDA for high dimension small sample size data by Bilwaj Gaonkar

Linear discriminant analysis when the data dimensionality is high and sample size is much smaller (medical, image analysis, signal processing)

lda_kernelized.m

Image Segmentation Tutorial ("BlobsDemo") by Image Analyst

Image Processing Tutorial to demonstrate the basic concepts to beginner users. (demo, image analysis, segmentation)

BlobsDemo.m

Image correspondences using cross-correlation by David Young

Find matching features in pairs of images using normalised cross-correlation: class file and demo. (image correspondence, pixel correspondence, stereo vision)

Image correspondence by cross-correlation demonstration

convolve2(x, m, shape, tol)

correspDisplay(corresps, im, col)

Affine optic flow by David Young

Estimates the parameters of an affine (first-order) optic flow model from two images. (image motion, optical flow, active vision)

Affine Optic Flow Demonstration

affine_flowdisplay(flow, im, step, col)

affine_flowedgedisplay(flow, im1, im2)

image ellipsoid 3D by David Legland

Inertia ellipsoid of a 3D grayscale image (ellipsoid, image processing, inertia)

createRotationOx(varargin)

createRotationOy(varargin)

createRotationOz(varargin)

A Robust Corner Matching Technique by Mohammad Awrangjeb

a novel corner matching technique using corners detected by contour-based arcss detector. (arcss detector, curvature scalespace, cpda detector)

appendimages(image1, image2)

arcss_info.m

find_hist(I, nbin);

Affine Resilient Curvature Scale-Space Corner Detector by Mohammad Awrangjeb

Apply the affine-length parameterized curvature to the CSS corner detection technique. (corner detection, image analysis, curvature)

arcss.m

Imaris Excel2data by Tegy Vadakkan

Spot positions in Imaris to measurements of the tracks. (biology, image analysis, statistics)

im2xlsdata.m

Region Growing (2D/3D grayscale) by Daniel

Recursive region growing algorithm for 2D/3D grayscale images with polygon and binary mask output (region growing, can anyone help me ou..., image processing)

regionGrowing(cIM, initPos, thresVal, maxDist, tfMean, tfFi...

ROIRool by hey dude

Draw Line Profiles and 2D ROI's in 2D images. (2d image, region of interest, lineprofile)

StatisticsWindow(Statistics,Number)

text=Struct2Text(struct)

LineProfile

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()

Image Edge Detection Using Ant Colony Optimization by Kanchi

Image Edge Detection Using Ant Colony Optimization (image analysis, image edge detection, image processing)

edge_CEC_2008_main

GUI for Multivariate Image Analysis of 4-dimensional data by Kateryna Artyushkova

Multivariate Image Analysis of 4-dimensional image sequences using 2-step two-way and three-way ... (pca, simplisma, image analysis)

[Classes,Centres,FinalDistance]=dcKMeans(Data,k,InitCentres...

[M,mask]=profile_z(images);

[c,t]=trilin(c,ne,ishape)

Detect circles with various radii in grayscale image via Hough Transform by Tao Peng

Detect circular shapes in a grayscale image. Resolve their center positions and radii. (circle detection, circular hough transf..., center)

CircularHough_Grd(img, radrange, varargin)

DrawCircle(x, y, r, nseg, S)

Quadtree decomposition (Encoding) and Decoding of RGB Image by Dr. Murtaza Khan

Quadtree decomposition (Encoding) and Decoding of RGB Image of size M-by-N-by-3. (compression, rgb, image)

A =padtomakepowof2(A,varargin)

I=qtreedecode(S,values)

I=qtreergbdecode(S,valRGB)

Edge Detection by Deepak Kumar Rout

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

edge_detection.m

Particle Size Analysis from Image Processing Webinar by Robert Bemis

Example used for Image Processing Webinar 04-Mar-2004. (background removal, example, image analysis)

my_gui(varargin)

xtended_gui(varargin)

my_analysis.m

Berkeley Wavelet Transform by Ben Willmore

Functions performing the Berkeley Wavelet Transform and its inverse (image analysis, wavelet gabor haar tr...)

bwt(im)

bwt_onelevel(im)

bwtfilter(im,f)

A Fast Corner Detector Based on the Chord-to-Point Distance Accumulation Technique by Mohammad Awrangjeb

Reference: A Fast Corner Detector Based on the Chord-to-Point Distance Accumulation Technique, IEEE. (fastcpda, cpda, corner detection)

fast_cpda(varargin)

DIPvelocimetry ver.1.0. by Marten Darmawan

This m-file is generated out to measure the fluid flow rate inside a microchannel. (tracer particles, dipimage, micropiv)

DIPvelocimetry.m

Hough Transform for circle detection by Peter Bone

An optimized Hough transform for circle detection. (circle, centre coordinates, circle detection)

houghcircle(Imbinary,r,thresh,region)

Log-polar image sampling by David Young

Resamples an image from a conventional grid to a log-polar grid, and back. (image transform, active vision, logpolar)

logsampback(logarr, rmin, rmax)

logsample(arr, rmin, rmax, xc, yc, nr, nw)

logtform(rmin, rmax, nr, nw)

Hough transform for circles by David Young

A Hough transform function for detecting circles, optimised to allow search over radii. (hough transform, circle, image analysis)

Circular Hough Transform Demonstration

circle_hough(b, rrange, varargin)

circle_houghpeaks(h, radii, varargin)

Snakes with class by Cris Luengo

Implementation of snakes using a class to enable automatic display of the snake over an image. (active contour, image processing, image analysis)

snakeminimize(varargin)

dip_snake

FFT accelerated surface analysis tools package by Andreas Almqvist

FFT accelerated functions for analysing 1D and 2D signals such surface profiles, surfaces and images (data exploration, surface analysis, fft)

myconv(z,h)

myconv2(z,h)

myconvper(z,h)

Toolbox image by Gabriel Peyre

A toolbox that contains image processing functions (filtering, image processing, image analysis)

Toolox Image - A Toolbox for General Purpose Image Processi...

apply_colormap(M,col)

callback_atrou(x,dir,options)

Robust Image Corner Detection based on the Chord-to-Point Distance Accumulation Technique by Mohammad Awrangjeb

A robust scale-space corner detector that outperforms existing single and multi-scale detectors. (corner detection, image analysis, curvature)

cpda(varargin)

A Corner Detector based on Global and Local Curvature Properties by Xiaochen He

A robust corner detector works on grey-level images as well as planar curves. (image analysis, corner detection, curvature)

Image retrieval - Query by Example Demo by Theodoros Giannakopoulos

This demo provides a simple query by image example method, based on HSV values. (color, image analysis, image retrieval)

getImageHists(imageName, PLOT)

searchImageHist(imageName, modelName, nResults)

Fill corners of rotated image by Vlad Atanasiu

Rotate image without making black edges. (geometric transformat..., image registration, image analysis)

imregrotate(varargin)

fdlibmex --- fast and simple face detection by Wolf Kienzle

An efficient and easy-to-use mex library for detecting frontal faces in images (detection, face, recognition)

fdlibmex_demo.m

GeoML by Gabriele Lombardi

A general morphable template tool for image segmentation. (morphable templates, active templates, geometric model)

GeoML: intro

ATE_EdgeDistance(varargin)

ATE_GradientNorm(varargin)

3D voxelizer by Carlos Martinez-Ortiz

Provides functionality to convert a 3D object to voxel representation. (voxels, image analysis, 3d modeling)

importAOIJava(package)

iswf(obj)

plot3D(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)

DTI and Fiber Tracking by Dirk-Jan Kroon

Diffusion MRI (DTI), calculates FA, ADC, Vector Field, and will track and visualize neural tracts. (dti, mri, diffusion)

[ADC,FA,VectorF,DifT]=DTI(DTIdata,parameters)

[info] =gipl_read_header(fname)

fibers=FT(FA,VectorF,Roi,parameters)

Tensor Voting Framework by Trevor Linton

Implementation of the 2D medioni tensor framework (tensor voting, gerard medioni, image analysis)

calc_ortho_extreme( T,r,epsilon )

calc_refined_field( tf, im, sigma )

calc_sparse_field( image )

Canny Edge Detection by Anthony Gabrielson

Canny Edge Detection Algorithm (canny, bw, image analysis)

Diffusion Distance by Matthew Foster

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

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

Canny Edge Detection by Jasmine John

canny edge detection including gaussian smoothing code (canny, canny edge, gaussian convolution)

3D Stereo Disparity by Shawn Lankton

Compute 3D depth map from 2D images (3d, depth, disparity)

Luv2RGB(luvim)

RGB2Luv(im)

edison_wrapper(rgbim, featurefun, varargin)

SUBPLANE by Vassili Pastushenko

Removes a manually selected plane from data matrix. (image analysis, remove slope, subtract plane)

IM=subplane(Z)

cooc3d by Carl

3D statistical texture algortihm (image analysis, cooccurrence, 3d)

cooc3d (varargin)

roitool by Laszlo Balkay

Interactive roi definition tool (image analysis, roi circle rectangle ..., analysis)

draggable.m

roitool(arg1, arg2, arg3)