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updated 3 years ago

Generate maximally perceptually-distinct colors by Tim Holy

Choose a set of n colors that can be readily distinguished from each other (color, legend, labels)

distinguishable_colors(n_colors,bg,func)

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updated 2 years ago

Snake : Active Contour by Dirk-Jan Kroon

Snake Segmentation (Kass et al), 2D/3D including GVF and balloon force (Easy to read code) (snakes, active, contour)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ExternalForceImage2D(I,Wline, Wedge, Wterm,Sigma)

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updated 2 years ago

Active Shape Model (ASM) and Active Appearance Model (AAM) by Dirk-Jan Kroon

Cootes 2D/3D Active Shape & Appearance Model for automatic image object segmentation and recognition (asm, active shape model, active shape)

A=imresize3d(V,scale,tsize,ntype,npad)

AAM_2D_example.m

AAM_3D_train_example.m

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updated 3 years ago

Viola Jones Object Detection by Dirk-Jan Kroon

Viola Jones Object detection using OpenCV trained classifiers (opencv, xml, face)

ConvertHaarcasadeXMLOpenCV(filename)

GetIntergralImages(Picture,Options)

HaarCasadeObjectDetection(IntegralImages,HaarCasade,Optio...

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updated 3 years ago

Viewer3D by Dirk-Jan Kroon

MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI (volume render, volume rendering, mip)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ErrorData3D(varargin)

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updated 9 years ago

2D Gabor Filter(Ver1,2,3) by Ahmad Poursaberi

To design 2D Gabor filter and apply it to image. (filtering, gabor filter, image processing)

gaborfilter(I,Sx,Sy,U,V);

gaborfilter(I,Sx,Sy,f,theta);

gaborfilter(I,Sx,Sy,f,theta);

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updated 3 years ago

B-spline Grid, Image and Point based Registration by Dirk-Jan Kroon

B-spline registration of two 2D / 3D images or corrsp. points, affine and with smooth b-spline grid. (geometric transformat..., image registration, registration)

A=imresize3d(V,scale,tsize,ntype,npad)

Dlocal=jacobiandet_transform_2d_double(Ox,Oy,Isize,dx,dy)

E=strain(Ux,Uy,Uz)

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updated 4 years ago

multimodality non-rigid demon algorithm image registration by Dirk-Jan Kroon

non-rigid 2D and 3D image registration with demon (fluid) algorithm, extended with modality transf. (transforms, nonrigid image regist..., nonrigid)

A=imresize3d(V,scale,tsize,ntype,npad)

E=strain(Ux,Uy,Uz)

I3=movepixels(I1,Tx,Ty,Tz,mode)

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updated almost 4 years ago

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert ) (scheme, diffusion scheme, diffusion)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated 1 year ago

Active Contours implementation & test platform GUI by Nikolay S.

Implementation and demonstration of several active contours segmentation methods. (image processing, image segmentation, segmentation)

Active Contours implementation & test platform GUI

ActiveContoursWihoutEdges(hObject,mask)

ActiveCountorsGUI.m

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updated almost 4 years ago

SimpleColorDetection by Image Analyst

Script to do simple color detection in RGB color space. Finds red objects in the image. (color, color classification, color detection)

SimpleColorDetection()

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updated 3 years ago

Color segmentation by Delta E color difference by Image Analyst

User draws region and this finds pixels in the image with a similar color, using Delta E. (image processing, color, segmentation)

DeltaE()

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updated almost 9 years ago

Gray image to Color image conversion by Jeny Rajan

Converts a gray image to color image (color, gray, conversion)

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updated 4 months ago

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

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

RegionGrowing(dImg, dMaxDif, iSeed)

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updated 5 years ago

Image retrieval - Query by Example Demo by Theodoros Giannakopoulos

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

getImageHists(imageName, PLOT)

searchImageHist(imageName, modelName, nResults)

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updated 3 years ago

Spectral and XYZ Color Functions by Jeff Mather

Label plots with spectra. Convert wavelengths to RGB. Functions for color matching and illuminants. (color, spectrum label color ...)

colorMatchFcn(formulary)

createSpectrum(matchingFcn)

illuminant(theIlluminant)

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updated 6 years ago

Color Detection Using HSV Color Space (Training and Testing) by Theodoros Giannakopoulos

The provided Matlab functions demonstrate a simple method for training and testing a color detection (color, color detection, hsv)

colorDetectHSV(fileName, hsvVal, tol)

getHSVColorFromDirectory(dirName)

selectPixelsAndGetHSV(RGB, Area)

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updated 3 years ago

Color Image Histogram by Jeff Mather

Display a histogram showing the color balance of an image. (color, rgbhist imhist color ..., invalid handle object)

rgbhist(I)

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updated 12 months ago

Hiding multiple Text pages into a Color image by Cherma Rajan A

This program can embed/hide maximum of six monochrome Text pages into a Color image without loss. (color, watermarking, text hiding)

HIDING MULTIPLE TEXT PAGES INTO A COLOR IMAGE

altertxt(im_tx1,im_tx2)

extracttxt(im)

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updated 7 years ago

RGB to HSI conversion by Dr. Madhu S. Nair

RGB to HSI conversion (color, rgb to hsi conversion, rgb to hsv)

rgbtohsi(x)

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updated 6 years ago

2D Gabor Wavelets by Zhi Chai

Create and show 2D Gabor Wavelets (filtering, gabor, wavelets)

GaborWavelet (R, C, Kmax, f, u, v, Delt2);

GaborExample.m

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updated almost 4 years ago

Custom-shaped histogram by Image Analyst

Transform an image to have any histogram you want. (image processing, demo, segmentation)

shaped_histogram()

threshold(varargin)

threshold_grayscale_image(original_image, min_threshold, ...

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updated almost 2 years ago

Color Checker Chart by Image Analyst

Synthesize a perfect version of the X-Rite Color Checker chart. (image processing, color, bad)

CreateColorCheckerChart.m

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updated 1 year ago

exploreRGB by Brett Shoelson

Simple utility to view all color planes, grayscale, and colorspace conversions of an RGB image. (explore rgb color pla..., circularhough_grd_sl, rgb)

ExploreRGB

ExploreRGB(input, mode,opts)

expandAxes(hndls,rotEnable)

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updated almost 2 years ago

Gabor Filetr GUI by Nikolay S.

Design apply and learn the Gabor Filter via GUI. (gabor, gabor filters, filter bank)

Gabor Filter GUI

GaborFilterDesighnNik(varargin)

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updated 1 year ago

GINPUT on GUI (Keeping toolbar features on) & Use of custom pointers by Divakar Roy

GUI Framework to use GINPUT (keeping all toolbar features on) + Custom pointers for plots and more. (ginput, gui, mouse)

ginput_gui.m

demo_ginput_gui.m

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updated 1 year ago

Color Constancy Algorithms (Gray World, White Patch, Modified White Patch, ETC) by Juan

The functions implements several of the color constancy techniques available. (color, constancy, gray world)

colorConstancy(I, algorithm, varargin)

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updated almost 2 years ago

ANIMATOR - animate data by Jiro Doke

This GUI tool allows you to animate your data with controls for playback speed and looping. (data exploration, animate, movie)

Data Animator

animator(varargin)

animatorApp

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updated 6 years ago

hsl2rgb and rgb2hsl conversion by Vladimir Bychkovsky

Functions to convert between RGB and HSL (color, hsl, rgb)

hsl=rgb2hsl(rgb_in)

hsltest()

rgb=hsl2rgb(hsl_in)

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updated almost 9 years ago

Edge Detection of Color Images by Jeny Rajan

Find edges of a color image. (application, edge, color)

R=edgecolor(nm);

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updated 6 years ago

Volume Render by Dirk-Jan Kroon

Volume Render GUI with mouse change able color and alpha maps (specialized, plotting, volume render)

VolumeRender(varargin)

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updated 5 months ago

Dicom Operator - EsmeProcess by Jun Li

EsmeProcess functions dicom image operation including viewing, drawing, writing and statistic. (dicom, mask, header)

EsmeProcess Tutorial

[meanGL1, stdGL1, meanGL2, stdGL2, ...

addmenuitems.m

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updated almost 2 years ago

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

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updated 10 months ago

Fast mutual information, joint entropy, and joint histogram calculation for N-D images by ja

Built for 'highest possible' speed. Can handle any number of dimensions, given sufficient memory. (joint histogram, joint entropy, nd)

ent(J,K)

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updated 3 years ago

ReversePlot by Jordi Palacin

To create a new plot from a scanned image file (data exploration, scanned plot, ocr plot)

reverseplot20.m

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updated 1 year ago

AdvancedColormap by Andriy Nych

Performs advaced colormap operations (colormap, plot)

AdvancedColormap(command,varargin)

AdvancedColormapDemo.m

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updated 8 months ago

Hysteresis thresholding for 3D images (or 2D) by Luke Xie

Segments images based dual thresholding with 2D or 3D connectivity neighborhoods. (image processing, hysteresis, 3d)

[tri,hys]=hysteresis3d(img,t1,t2,conn)

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updated 2 months ago

SpriteKit Framework by Steve McClure

Framework for designing animated and interactive Sprites and gameplay (sprite, game, graphics)

Interactive Example

Making a simple animation

SpriteKit.Physics.hasCollision(sprite1,sprite2)

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updated 11 years ago

Edge Detection,Color Find,Maximum Color in Image User Interface by Imran Akthar

User interface for edge detection,cropping,color determintation.,Maximum Occurence of Color in a Ima (gui, display, annotation)

[image,index]=find_color(image,map,tr,colors)

color_check2

color_find

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updated 6 years ago

RGB Image Decomposition by Rick Rosson

Displays RGB decomposition of a full color image (color, image processing, rgb)

imColorSep(A)

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updated 6 years ago

Color Filtering by Kannan Keizer

This function can be used for separating or segment Red components, Green components and Blue Compon (color, color images, filtering)

colorfilter(img,color)

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updated 8 months ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter(...

DetailBilateralFilter(inputImage,adaptiveRegion,...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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updated 4 months ago

Two-dimensional Variational Mode Decomposition by Dominique Zosso

Variationally decompose a 2D signal into k band-separated modes. (adaptive filter, band separated, bandwidth)

VMD_2D(signal, alpha, tau, K, DC, init, tol)

VMD_2D_test.m

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updated 4 years ago

Color Segmentation by Robert Bemis

Example used for Imaging Webinar 26-June-2003. (color, webinar color image s..., toolbox demo)

webinar_script.m

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updated 6 years ago

Machine Vision System - Color Recognition by Vihang Patil

This gui is a demonstration on the concept of machine vision system for color recognition (color, camera, machine vision)

control_panel(varargin)

eyekon

intialcheck

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updated 1 year ago

Digital Vectorscope by Nikolay S.

Generate a Vectorscope like plot from RGB data. (image processing, color, vectorscope)

assignin_value(name,value)

digitalVectorscope( inRGB, varargin )

fullFileName=filesFullName(inFile, filesExtList, dlgTitle...

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updated 4 months ago

Color auto correlogram by Soumyabrata Dev

It generates the color auto correlogram vector for an input color image (color, correlogram)

[positive_count,total_count]=get_n(n,x,y,color,img_no_dit...

correlogram_vector=color_auto_correlogram(I,distance_vect...

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updated 2 years ago

4D data exploration by Thomas Deneux

Navigate through 2D+time or 3D+time data through interactively linked cross-sections, time course pl (data exploration, 4d, crosssections)

fn_4Dview(varargin)

fn_ismemberstr(a,b)

fn_meshclosestpoint(P,p)

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updated 6 years ago

VIBGYOR Color Segmentation by Kannan Keizer

VIBGYOR Color Segmentation (color, color segmentation, vibgyor)

VIBGYORsegmentation(img)

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updated 2 years ago

Color Clustering Matlab by GAGAN

Computes the clusters of Pixels based upon their color. (color, color matlab, clustering)

binary_quant.m

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