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updated almost 4 years ago

Generate maximally perceptually-distinct colors by Tim Holy

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 3 years ago

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

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

Snake : Active Contour by Dirk-Jan Kroon

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 3 months ago

Simple color detection by hue by Image Analyst

Image Analyst

Detect colored regions in an image via thresholding in HSV color space. (color detection, color, image processing)

SimpleColorDetectionByHue()

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updated 4 years ago

Viola Jones Object Detection by Dirk-Jan Kroon

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 4 years ago

Viewer3D by Dirk-Jan Kroon

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 4 years ago

SimpleColorDetection by Image Analyst

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 almost 4 years ago

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

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 3 months ago

geom2d by David Legland

David Legland

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons... (color, mathematics, computational geometr...)

Demo Medial Axis

Draw Poisson lines

demoExpandPolygon

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updated 10 years ago

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

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 4 years ago

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

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

Color segmentation by Delta E color difference by Image Analyst

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 10 months ago

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

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 9 years ago

Gray image to Color image conversion by Jeny Rajan

Jeny Rajan

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

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updated 4 years ago

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

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 almost 2 years ago

Active Contours implementation & test platform GUI by Nikolay S.

Nikolay S.

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

Active Contours implementation & test platform GUI

ActiveCountorsGUI.m

ActiveContoursWihoutEdges(hObject,mask)

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updated 7 years ago

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

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 6 years ago

Image retrieval - Query by Example Demo by Theodoros Giannakopoulos

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 4 years ago

Custom-shaped histogram by Image Analyst

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 4 years ago

Spectral and XYZ Color Functions by Jeff Mather

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

2D Gabor Wavelets by Zhi Chai

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 2 years ago

Color Checker Chart by Image Analyst

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

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

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 2 months ago

exploreRGB by Brett Shoelson

Brett Shoelson

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

ExploreRGB

ExploreRGB(input, mode,opts)

customGray(imgin,calledFrom)

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updated 6 years ago

hsl2rgb and rgb2hsl conversion by Vladimir Bychkovsky

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 2 years ago

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

Juan

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

colorConstancy(I, algorithm, varargin)

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updated 9 years ago

Edge Detection of Color Images by Jeny Rajan

Jeny Rajan

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

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updated 4 years ago

Color Image Histogram by Jeff Mather

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 1 month ago

Visualization of multi-modal volume segmentation by Pavel Dvorak

Pavel Dvorak

Visualize single- or multi-modal 2D or 3D images and corresponding segmentation (image processing, 3d, image)

evalSegmentation(segm,gt,roiMask)

visualize_segmentation(img,varargin)

demo_visualize_segmentation.m

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updated 11 months ago

Dicom Operator - EsmeProcess by Jun Li

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 5 years ago

Color Segmentation by Robert Bemis

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 almost 7 years ago

Volume Render by Dirk-Jan Kroon

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 2 years ago

3D histogram of RGB image by Pavel Rajmic

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 8 years ago

RGB to HSI conversion by Dr. Madhu S. Nair

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

Color Filtering by Kannan Keizer

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 1 year ago

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

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 1 year ago

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

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 1 year ago

AdvancedColormap by Andriy Nych

Andriy Nych

Performs advaced colormap operations (colormap, plot)

AdvancedColormap(command,varargin)

AdvancedColormapDemo.m

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updated 10 months ago

Two-dimensional Variational Mode Decomposition by Dominique Zosso

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 almost 4 years ago

ReversePlot by Jordi Palacin

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 2 years ago

Gabor Filetr GUI by Nikolay S.

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 almost 9 years ago

Face Detection In RGB Model by Amiruddin Jemaat

Amiruddin Jemaat

To detect human face in color image (color, face detection, rgb)

Face_test_luminance.m

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updated almost 8 years ago

program Color balancing by Jeny Rajan

Jeny Rajan

A simple program for color balancing (color, color balance, white balance)

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updated 2 years ago

ANIMATOR - animate data by Jiro Doke

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 2 years ago

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

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 almost 3 years ago

Color Clustering Matlab by GAGAN

GAGAN

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

binary_quant.m

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updated 2 years ago

Animations by Ankur Pawar

Ankur Pawar

Some animation in MATLAB (animation, graphics, 3d)

[xd,yd]=transform2d(x,y,tx,ty,phi,xr,yr,sx,sy)

epitrochoid(r1,r2,len)

hypotrochoid(r1,r2,len)

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updated 5 years ago

Droste Effect Tool by Steve Hoelzer

Steve Hoelzer

Apply the Droste Effect to an image using a GUI or function call. (droste, gui, image processing)

The Droste Effect

droste_effect(img, reg, varargin)

droste_gui(varargin)

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updated 6 years ago

VIBGYOR Color Segmentation by Kannan Keizer

Kannan Keizer

VIBGYOR Color Segmentation (color, color segmentation, vibgyor)

VIBGYORsegmentation(img)

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updated 2 years ago

Simple color adjustment sample by Masayuki Tanaka

Masayuki Tanaka

The color adjustment will be performed, when you pick (click) white pixel. (image processing, color, white balance)

SimpleColorAdjust(varargin)

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