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)

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)

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

matprint by Karel Lebeda

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

getCharCoordinates(c, fontHeight)

getStringCoordinates(font, inputString, fontHeight)

loadAndParseTFF(filename)

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

Zerocolor by Jurgen

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

zerocolor(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)

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)

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)

Send Video from Simulink diretly to MATLAB GUI - Example. by Roni Peer

This simple example shows how you can take a Simulink signal (Video feed), and disply it in a GUI. (matlab, simulink, gui)

sfuntmpl_imaq(block)

simpleGUI_imaq(varargin)

START_HERE.m

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

Noncontact Speckle-Based Velocity Meter by Sagheb Kohpayeh Araghi

Finding a velocity of substance by using radon transform. (velocity, radon, image)

Johann

Create a Simulated Image of Diffraction Limited Spots with Noise by Tristan Ursell

Create images with diffraction-limited spots of varying size and intensity, with noise. (image, create, creation)

[Iout,Inoise,spot_data]=spotmaker(im_sz,num_spots,varargin)

Fire and/or Custom Colormap Function by Tristan Ursell

Use the 'fire' colormap in Matlab, or create your own. (color, colormap, custom)

fire(m)

2D Distance Transform of Arbitrary Points by Tristan Ursell

Distance transform from arbitrary points at a user set resolution and range. (image, point, points)

[Xvec,Yvec,Dist]=clouddist(Xin,Yin,xlim,ylim,res)

imstream by Oliver Woodford

A wrapper which abstracts videos and image file sequences, so they can be treated the same. (image, video, stream)

imseq

imstream

Matrix Convolution with Sub-Pixel Resolution by Tristan Ursell

Convolve two matrices at sub-pixel resolution, using bilinear interpolation. (matrix, convolve, convolution)

matout=matoverlay(mat1,mat2,x,y)

DrawRect by Vidya Murali

Draws a 1-pixel rectangle on an input image with a given color ('r', 'g' or 'b'). (image processing, rectangle, image)

DrawRect(wrimage,rect1,color)

test_drawrect.m

Cell Tracking. by Siva Malla

Blood Cell Tracking System (track, segmentation, image)

P0701.m

P0702.m

P0703.m

LABEL ME by Vidya Murali

MANUALLY LABELING IMAGE REGIONS BY SELECTING RECTANGLES (image, label, manual)

labelme.m

image_save by Tristan Ursell

You know that annoying error when trying to write to an image stack in Matlab? (image, stack, save)

image_save(Im1,basename,varargin)

Draw color-coded lines in image. by Jan Heldal

LINES2IM generates an image with painted lines. The line-hues are the angles of the slopes. (image, paint, imageanalysis)

lines2im( X, Y, n,m)