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updated almost 4 years ago

freezeColors / unfreezeColors by John Iversen

Use multiple colormaps per figure! Version 2, now works for many types of objects, not only images. (annotation, customization, colormap)

freezeColors(varargin)

unfreezeColors(h)

Contents.m

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updated almost 2 years ago

Scalable Vector Graphics (SVG) Export of Figures by Juerg Schwizer

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). (specialized, plotting, svg)

demo_svg_water

plot2svg.m

simulink2svg

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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 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 4 months ago

geom2d by David Legland

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

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated almost 4 years ago

OpenSURF (including Image Warp) by Dirk-Jan Kroon

SURF (Speeded Up Robust Features) image feature point detection / matching, as in SIFT (registration, surf, opensurf)

D=FastHessian_BuildDerivative(r,c,t,m,b)

Iout=affine_warp(Iin,M,mode)

PaintSURF(I, ipts)

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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 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 1 year ago

Super Mario Bros. Demo by Mingjing Zhang

A playable demo of Super Mario Bros. World 1-1 with background music (game, gui, animation)

Super Mario Bros. Demo

stl_mario_main()

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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 1 year ago

Kinect Matlab by Dirk-Jan Kroon

Microsoft Kinect, OpenNI wrapper, Skeleton, Depth (kinect, microsoft, skeleton)

J=imagemax(Iin)

[I_SSD,I_NCC]=template_matching(T,I)

compile_cpp_files(OpenNiPath)

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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 9 years ago

Plot 2D/3D Vector with Arrow by Rentian Xiong

This function plots a line vector with arrow head. (2d, 3d, vector)

vectarrow(p0,p1)

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updated 4 years ago

Efficient Graph based image Segmentation by Su Dongcai

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

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated almost 4 years ago

Simple color detection by hue by Image Analyst

Detect yellow regions in an image via thresholding in HSV color space. (image processing, color, color classification)

SimpleColorDetectionByHue()

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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 3 years ago

Colorspace Transformations by Pascal Getreuer

Transform colors between sRGB, YCbCr, YPbPr, YUV, YIQ, HSV, HSL, HSI, XYZ, Lab, Luv, LCH, CAT02 LMS (color, image processing, pick of the week)

colorspace(Conversion,varargin)

colorspace_demo(Cmd)

colorspace_ciedemo.m

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updated 5 years ago

Toolbox Fast Marching by Gabriel Peyre

A toolbox for the computation of the Fast Marching algorithm in 2D and 3D. (differential equation..., fast marching, level set)

Toolbox Fast Marching - A toolbox for Fast Marching and l...

callback_active_contour(x, options)

check_face_vertex(vertex,face, options)

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updated 10 months ago

Export figure to 3D interactive PDF by Ioannis Filippidis

Export figure as U3D file or directly to 3D interactive graphics within PDF. (3d, u3d, graphics)

[strmodelshading, strfaces_colors, strfaceshading, strcol...

arclength(px,py,varargin)

axes_extremal_xyz(ax)

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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 2 months ago

Perceptually improved colormaps by Matteo Niccoli

5 perceptual colormaps with rainbow-like colors and 1 with heat colors (colormap, data, graphics)

pmkmp.m

CompareLabPlotsUsingColorspace.m

MakeLabPlotUsingColorspace.m

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updated almost 2 years ago

Stellaria (Tech Demo) - The best MATLAB shooting game ever by Mingjing Zhang

If you think you have played the best MATLAB game before. Think again after you try this one. (game, shooting game, stg)

Stellaria Demo

readmidi2(midiFile)

readmidi2(midiFile)

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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

RGB2Lab by Mark Ruzon

Converts an image from the RGB color space to the CIELAB color space. (image processing, color)

RGB2Lab(R,G,B)

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updated 2 years ago

fig- the exact figure size and no white space by Reza

Create publication-quality figures; easily define the figure's size, font of all labels, titles... (figure, fonts, size)

fig.m

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updated 3 months ago

SC - powerful image rendering by Oliver Woodford

Useful tool for rendering and outputting information rich images (plotting, image, overlay)

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updated 13 days ago

savefigure by Aslak Grinsted

Easy way of saving figures to publication friendly format. (graphics import, graphics export, save)

ArgStruct=parseArgs(args,ArgStruct,varargin)

[varargout]=savefigure(fname,varargin)

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updated 5 years ago

smooth2a by Greg Reeves

Smooths a 2D matrix using a mean filter over a user-defined rectangle. Ignores and preserves NaNs. (2d, approximation, interpolation)

smooth2a(matrixIn,Nr,Nc)

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updated 3 months ago

Diffeomorphic Log Demons Image Registration by Herve Lombaert

Simple matlab code for 2D and 3D image registration using the diffeomorphic log-demons algorithm (image processing, image registration, 2d)

compose(ax,ay,az, bx,by,bz)

demons

demons

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updated 5 years ago

image3 by Anders Brun

Renders a 2-D image in 3-D space using a texture mapped rectangle, with several examples of uses. (image, imagesc, scatter)

demo

box3(vol, I2X, bbox)

image3(im,ij2xyz,handle)

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updated 3 years ago

Freeman Chain Code by Alessandro Mannini

Gives Freeman chain code 8-connected representation of a boundary (chain code, freeman, boundary)

chaincode(b,unwrap)

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updated almost 4 years ago

Drawing Color Histograms and Color Clouds by Chaitanya Sai Gaddam

Matlab code to plot color histograms and color clouds (color, color histogram, colour clourds)

createColorHistograms(im_str)

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updated 14 days ago

imdisp by Oliver Woodford

Display multiple images as a montage of subplots (gui, image processing, figure)

imdisp(I, varargin)

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updated 2 years ago

Simulation and Animation of a Quarter-Car Automotive Suspension Model by James Allison

A standard linear quarter-car model is simulated and then animated. (automotive, demo, suspension)

plotsusp(x,road_x,road_z,curr_x,umf)

sim_qcar.m

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updated 4 months ago

Fast 2-D convolution by David Young

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases. (2d, convolution, filtering)

convolve2(x, m, shape, tol)

exindex(arr, varargin)

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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 3 years ago

Match Plot by Li yang Ku

Draw matching lines between corresponding points in two image. Useful for SIFT feature matching. (plot, match, line)

match_plot(img1,img2,points1,points2)

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updated 11 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 4 years ago

imtranslate by Sean de

Affine translates a 2D image or 3D volume. (affine translation, image processing, translation)

imtranslate(I, translation, F, method, same_size)

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updated almost 4 years ago

Ezimplot3: implicit 3D functions plotter by Gustavo Morales

Plots a 3D surface defined implicitly (surface, implicit functions, plotting)

ezimplot3(varargin)

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updated 3 years ago

Lorenz attaractor plot by Moiseev Igor

The Lorenz attractor visualization (lorenz, attractor, dynamical system)

lorenz(rho, sigma, beta, initV, T, eps)

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updated almost 2 years ago

Harmonograph by Andrew French

An electronic construction of the amazing Victorian curiosity! (mathematics, gui, graphics)

Harmonograph

get_data_from_gui(handles)

ghmg( t, A, W, P, T )

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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

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 almost 5 years ago

imgaussian by Dirk-Jan Kroon

Fast Gaussian filtering of 1D, 2D greyscale / color image or 3D image volume. (imgaussian, gaussian, filtering)

I=imgaussian(I,sigma,siz)

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updated 4 years ago

Linear Regression with Errors in X and Y by Travis Wiens

Calculates slope and intercept for linear regression of data with errors in X and Y. (mathematics, measurement, statistics)

ellipse(Xc,Yc,dX,dY,N_p)

york_fit(X,Y,sigma_X,sigma_Y, r)

demo_york.m

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updated 3 years ago

Fast STL import function by Eric Trautmann

Function to import .stl geometry model files into matlab. (geometry, stl, model)

varargout=import_stl_fast(filename,mode)

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updated 9 months ago

RL Circuit Sinusoidal Response by KATHIM Alrifai

RL Circuit Sinusoidal Response (plot, image)

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updated 4 years ago

ashape: a pedestrian alpha shape extractor by us

extracts 2d alpha shapes from a set of x/y data points (alpha shape, image, segmentation)

fh=aslib(varargin)

p=ashape(varargin)

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updated 22 days ago

Convert Image To And From Graph Coordinates by Michael Chan

Illustrates mapping of binary image to graph coordinates and vice-versa. (image, plot, coordinates)

mapPixelsToCoordinatedPlotGraph(pixeliZedScratchPad, ...

plotCoordinatesToImagePixels(x_coordinates, y_coordinates...

usage_ImageToAndFromGraphCooridinates.m

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