img2curve by Amihay

Imports curves from pictures and graphs (digitize, digitizing, image to curve)

img2curve

figtopdf by Alexandre Willame

figtopdf is a small function that saves the current figure as a .pdf image. (pdf, image, graph)

figtopdf(myfigname, nocomment)

twimshow - display and quickly switch between input images/ video sequences by Aram

twimshow provides an easy way to quickly compare two or more images or image sequences (imshow, image, video)

twimshow(z, cmap, datasetNames, curImInd)

Valcolor by Jurgen

Apply color CLR to colormap entry pertaining to value VAL. Either scaled or indexed figure. (color, colormap, intensity)

valcolor(varargin)

Imagine by Christian Wuerslin

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

Imagine App

OptimalColor(iNBins)

fEvalLineFWHM(SData, sSelectionType, hTexts)

akZoom by Alexander Kessel

Allows direct zooming and panning with the mouse in 2D plots. Works with plotyy and multiple axes. (2d, axes, mouse)

akZoom.m

Super Mario Bros. Demo by Mingjing Zhang

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

Super Mario Bros. Demo

stl_mario_main()

Add Text To Image by Daniel Warren

Overlays rasterized text on an image matrix. (image, text, raster)

AddTextToImage(Image,String,Position,Color,Font,FontSize)

AddTextToImageWithBorder(Image,String,Position,Color,Font,F...

RasterizeText(String,Font,FontSize)

Graph Picker by Travis Wiens

Helps digitize graph data from an image. (gui, digitizing, data import)

[X, Y, axis_data, im]=graph_picker( im )

overplot_example.m

Straighten image by Jan Motl

The function finds the document orientation. (image, horizon, tilted)

horizon(image, varargin)

SegmentTool: An Interactive GUI for Segmenting Images by Brett Shoelson

Interactively find the best approach to segmenting (masking) your image (app, image, gui)

SegmentTool

cellfind(z)

createButtonLabel(string,varargin)

Magic kernel resizing by Jan Motl

The “magic kernel” is a method of resampling images that gives clear results free of artifacts. (image processing, shrinking, enlarging)

output=magickernel(image, varargin)

polarimetricImage by William Buller

Creates RGB image from S-parameters using lexicographic (default) or Pauli coding. (polarimetric, image, coding)

polarimetricImage( x, y, S11, S12, S21, S22, coding )

Niblack local thresholding by Jan Motl

A traditional local image thresholding. (binarization, local thresholding, niblack)

image=averagefilter(image, varargin)

niblack(image, varargin)

Tools for NIfTI and ANALYZE image by Jimmy Shen

Load, save, make, reslice, view (and edit) both NIfTI and ANALYZE data on any platform (analyze, niftl, nifti)

affine(old_img, old_M, new_elem_size, verbose, bg, method)

bipolar(M, lo, hi, contrast)

bresenham_line3d(P1, P2, precision)

Perceptually improved colormaps by Matteo Niccoli

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

CompareLabPlotsUsingColorspace.m

MakeLabPlotUsingColorspace.m

example2.m

matprint by Karel Lebeda

Prints (rasterizes) text directly to image matrix. (image, print, text)

getCharCoordinates(c, fontHeight)

getStringCoordinates(font, inputString, fontHeight)

loadAndParseTFF(filename)

Create a quadratic Matrix of DICOM images by Thomas Lindner

Load all DICOM images, change the Matrix size and save them again, keeping the header (Metadata). (dicom, matrix size, load dicom)

change_DICOM_Matrix.m

Average Filter by Jan Motl

Average filter performs image smoothing with integral image method. (image, smoothing, image processing)

image=averagefilter(image, varargin)

averagefilterTest.m

Rotate an image about a point by Jan Motl

Performs rotation of an image about any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

2d and 3d brain plots by Jeremy Manning

Quickly and easily create 2d and 3d plots of fMRI data. (fmri, pcolor, 2d)

PATCH_3Darray(varargin)

getTightSubplotHandles(FIG_MARGIN,ROW_MARGIN,COLUMN_MARGIN,...

plot_brain2d(x,meta,nrow,ncol,dim,c,s)

Block Division using cell by Suraj Kamya

Using cell data type one can effectively breaks the 2D/3D data in to required no. of blocks. (blocks, image, cell)

I=recom_blocks(B)

[B]=blocks(image)

savepng by Stefan Slonevskiy

savepng is a fast PNG image compression routine that outperforms MatLab's built-in imwrite (png, mex, image)

savepng(CDATA,filename,varargin)

benchmark_savepng.m

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,...

imsurf: 3D images by Matthew Arthington

Plot images as 3D planes with full control over position and scale. (3d, surf, plot)

h=imsurf(imageIn,upperLeftPoint3,normal,imXDirVec,scale,var...

Zerocolor by Jurgen

Set colormap entry for zero values to specified RGB color (color, colormap, intensity)

zerocolor(varargin)

Image Value by Thomas Deneux

Automatic links images or plots in different figures and allows simultaneous zoom, pan, pick value. (data exploration, image plot, zoom)

fn_imvalue(varargin)

Margincrop by Jurgen

Simple way of cropping images by specifying the amount of pixels to be cut away from the edges. (crop, margin, imcrop)

margincrop(I, LR, TB)

HOG (Histogram of Oriented Gradients) MEX Implementation by Paul Sastrasinh

Rectangular histogram of gradients (R-HoG) descriptor MEX implementation. (hog, feature, image)

SC - powerful image rendering by Oliver Woodford

Useful tool for rendering and outputting information rich images (colormap, color, colorbar)

autumn(varargin)

bled(varargin)

bone(varargin)

Location of Text in Images of Natural Scenes by Ashwin

A Novel Algorithm to detect and localize text in Natural Scene Images (text, localize, image)

TextLocalization.m

geotiffwrite by Jimmy Shen

Write a 2D or 3D array to a single or multi-band GeoTIFF file (earth sciences, dem, earth science)

geotiffwrite(filename, bbox, image, bit_depth, option)

make_option(action)

Image aggregation by Martin Claverie

% AggregateIma resize an image to a smaller one (image, remote sensing, resample)

AggregateIma(ImaIN,n,Fct)

Save and load data as multi-frame TIFF format by YoonOh Tak

Export various types of data such as single, double or 16bit integer as TIFF format (multiframe, tiff, export)

loadtiff(path)

saveastiff(data, path, options)

saveastiff_demo.m

Image Noise Reduction by Local Statistics by Tristan Ursell

Reduce image noise by measuring local pixel statistics and remapping intensities. (relative, deviation, statistics)

[varargout]=relnoise(Iin,sz,sigma,varargin)

IMPIXEL with FIGURE TOOLS by Divakar Roy

IMPIXEL_FIGTOOLS Pixel color values with figure tools on. (impixel, image, gui)

ginput_gui(varargin)

impixel_figtools(img)

Embed Text and Graphics in an Image by Brett Shoelson

Burn or embed text and graphics in an image. (image processing, embed text, embed graphics)

insertInImage(baseImage,insertionCommand,PVs)

mimtransform by Felipe G. Nievinski

Changes the map projection of a raster image. (image, mapping, projection)

angle_range_positive (angle)

azimuth_range_positive (varargin)

get_border_ind (grid, n)

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

Region Adjacency Graph (RAG) by David Legland

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

demoImRAG

imRAG(img, varargin)

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. (arcade, gui, stg)

Stellaria Demo

readmidi2(midiFile)

readmidi2(midiFile)

sanePColor by Jeremy Manning

Wrapper for pcolor that behaves similarly to imagesc. Squash OS X Preview's "blurry image" bug! (pcolor, image, imagesc)

sanePColor(varargin)

Picture Puzzle by Sandeep Solanki

solve picture puzzle of 3X3 (puzzle, image, picture)

creat

swapmat(w,ind1,ind2)

puzzel.m

Image Registration GUI by Brett Shoelson

GUI environment for registering a Moving image to a Fixed image (image, gui, image alignment)

Image Registration GUI

ImageRegistrationGUI.m

distributeObjects(nobjects,startpos,endpos,gap,warnoff)

3D Slicer by David Legland

Slicer for exploring 3D images (grayscale, color or vectorial) through planar or 3D slices. (display, 3d viewer, slice)

3D Slicer

createRGBStack(img1, img2, img3)

flipStack(img, axis)

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)

Area Calculation of 8 Direction Chain Code by Daniel Bromand

This code sample computes the Area bounded within a 8 direction chain code. (area, calculation, direction)

Area_Calc_Of_8_Dir_Chain_Code.m

k-means clustering algorithm by Craig

Performs one step of the k-means clustering algorithm (algorithm, images, average)

kmean(img,means)

Example.m

crop whitespace from an image by Andrew Bliss

CROP gets rid of whitespace around an image (crop, whitespace, image)

crop(filename,append,margin)

Image chamfer distances and geodesic diameter by David Legland

Propagates geodesic distances in binary images, and compute geodesic diameter (distance, chamfer, geodesic)

demoImChamferDistance

demoImGeodesicPath

demoImMaxGeodesicPath